Pottinger JUMBO 6620 L Operating instructions

0548.en.80U.0

Operating manual

Loader wagons

JUMBO 6620 L

0548

Machine No.: +..1647

PÖTTINGER - Trust creates Affinity since 1871

"Quality pays for itself." We therefore apply the highest quality standards to our products,

which are permanently monitored by our in-house quality management team and our man-

agement board Because the safety, perfect function, highest quality and absolute reliability of

our machines in operation are the core competencies for which we stand.

Technical alterations

There may be deviations between these document and the product as we are constantly de-

veloping our products. Therefore no claims may be derived from the data, illustrations and

descriptions. Please contact your Specialist Service Centre for any binding information about

specific features of your machine.

Legal notes

Please note that only the German operating manual constitutes the original operating manual

in regards to the guidelines 2006/42/EC. Operating manuals on languages different than

German, are translations of the German original manual of operation.

We would ask you to please understand that changes to the scope of supply with regard to

form, equipment and technical specifications are possible at any time.

Any form of reprint, translation or reproduction, including excerpts, requires the written appro-

val of PÖTTINGER Landtechnik GmbH.

All rights according to copyright law are expressly reserved by PÖTTINGER Landtechnik

GmbH.

You can find additional information about your machine in MyPöttinger.

Are you looking for suitable accessories for your machine? No problem! All the information

you require is here at your disposal. And if we don't have what you're looking for, then your

Specialist Service Centre is there for you with help and advice.

Scan the QR code on the type plate of the machine or visit http://www.mypoettinger.com

2 | Operating manual JUMBO 6620 L 0548.en.80U.0

Dear Customer

The Operating instructions will allow you to become acquainted with your machine and pro-

vide clear information about safe and correct handling, maintenance and care. Take the time

to read the instructions all the way through.

The operating instructions are a part of the machine. They must be stored in an accessible

location at the workplace for the entire service life of the machine. The user must independ-

ently supplement the instructions regarding national regulations on accident prevention, traf-

fic safety and environment protection.

All persons that are entrusted with the operation, maintenance or transport of the machine

must read and understand these instructions, in particular the safety instructions, before be-

ginning work. Any warranty claims lapse on non-observance of these Instructions.

If you have any questions regarding the contents of these Operating instructions or further

questions regarding the machine, please contact your PÖTTINGER service partner.

Correct maintenance and care according to the defined maintenance intervals will ensure the

operational and traffic safety, as well as the reliability of your machine.

Use only original spare parts or spare parts and accessories that are approved by PÖTTING-

ER Landtechnik GmbH. Only original spare parts that are approved by us have been tested

and accordingly are appropriate for use in your machine. The use of any unapproved parts

forfeits any guarantee or guarantee claim. Even after the end of the warranty period we rec-

ommend using original spare parts to ensure the performance of your machine.

The Product Liability Law obligates manufacturers/dealers to transfer operating instructions

when selling machines, as well as to instruct clients regarding the safety, operation and

maintenance regulations concerning the machine. Confirmation in the form of a declaration

of transfer is required to verify that the implement and Instructions have been transferred cor-

rectly. The declaration of transfer is delivered together with the machine.

Every self-employed person and farmer is an entrepreneur within the meaning of the product

liability legislation. Therefore corporate property damage according to the Product Liability

Law is excluded from the liability of PÖTTINGER. Corporate property damage according to

the Product Liability Law refers to damage caused by the machine. Damage to the machine

is not property damage according to the Product Liability Law.

The operating instructions are a part of the machine, therefore you must transfer them when

selling/transferring the machine to a new user. Train and instruct the new owner in the regu-

lations stated.

The PÖTTINGER service team wishes you the best of luck.

0548.en.80U.0 Operating manual JUMBO 6620 L | 3

You will find the following representations in this operating manual

DANGER

If you do not follow the instructions in a text section with this marking, there is a risk

of fatal or life-threatening injury.

► All instructions in such text sections must be followed!

WARNING

If you do not follow the instructions in a text section with this marking, there is a risk

of severe injury.

► All instructions in such text sections must be followed!

CAUTION

If you do not follow the instructions in a text section with this marking, there is a risk

of injury.

► All instructions in such text sections must be followed!

NOTICE

If you do not follow the instructions in a text section with this marking, there is a risk

of damage to property.

► All instructions in such text sections must be followed!

TIP

Marked text sections contain recommendations and advice on handling the machine.

ENVIRONMENT

Marked text sections contain advice on the subject of environmental protection.

Equipment marked as optional is available only for certain machine models or in certain

countries.

Images may differ in detail to your machine and should only be considered as indicative.

4 | Operating manual JUMBO 6620 L 0548.en.80U.0

Instructions for product handover

Please verify the listed items in accordance with the product liability obligation

Please, tick off where appropriate.

Machine checked according to delivery note. All packing materials removed, all

safety devices, cardan shafts and control elements present.

Machine operation, commissioning and maintenance discussed with and explained

to the clients using the operational instructions.

Tyre air pressure verified.

Tightness of wheel nuts verified.

Reference to correct p.t.o. speed and direction of rotation.

Adaptation to tractor complete; three point adjustment, drawbar height, attachment

of handbrake lever in tractor cab, forced steering set, compatibility of all necessary

electrical, hydraulic and pneumatic connectors to tractor checked and established.

Cardan shaft correctly cut to length.

Test run of all machine functions in addition to parking brake and operating brake

completed and no defects noted.

Function explanation during test run.

Tilting to transport and working position explained.

Information regarding optional equipment provided.

References made to compulsory reading of the operational instructions.

Confirmation is required to prove that the machine and the operating instructions have been

properly handed over. For this purpose you have received a confirmation e-mail from PÖT-

TINGER. If you have not received this mail, please contact your local dealer. Your dealer can

fill in the handover declaration online.

Austria

PÖTTINGER Landtechnik GmbH

Industriegelände 1

4710 Grieskirchen

Phone+43 7248 600-0

Fax+43 7248 600-2513

[email protected]

0548.en.80U.0 Operating manual JUMBO 6620 L | 5

Amendment index

Date Index Amendment reason Amended chapter

6 | Operating manual JUMBO 6620 L 0548.en.80U.0

Transport safeguards set up in the factory

Transport safeguard electronic positive steering.............................................................. 17

Factory standard tightening torque

Tightening torque.............................................................................................................. 19

Layout and function

Functional elements.......................................................................................................... 20

Electric controls................................................................................................................. 23

Hydraulic controls.............................................................................................................. 23

Accessories included in the scope of delivery................................................................... 24

Upgrade program.............................................................................................................. 24

Electronic positive steering layout and function

Functional elements.......................................................................................................... 25

At a glance

Identification...................................................................................................................... 26

Type plate with CE marking......................................................................................... 26

Description

EU - declaration of conformity........................................................................................... 28

Intended use..................................................................................................................... 29

Non-approved useage....................................................................................................... 29

Technical data

Dimensions....................................................................................................................... 30

Attachment........................................................................................................................ 30

Weights............................................................................................................................. 31

Tyres................................................................................................................................. 31

Blade................................................................................................................................. 32

Power requirements.......................................................................................................... 32

Hydraulics ........................................................................................................................ 32

Electrics............................................................................................................................. 32

POWER CONTROL Terminal........................................................................................... 33

Contents

0548.en.80U.0 Operating manual JUMBO 6620 L | 7

FIELD OPERATOR 130.................................................................................................... 34

EXPERT 75 Terminal (Option).......................................................................................... 36

CCI terminal (optional)...................................................................................................... 36

Noise emission.................................................................................................................. 37

AUTOCUT

AUTOCUT Layout and function........................................................................................ 38

Technical data................................................................................................................... 39

Safety and the environment

Safety advice..................................................................................................................... 41

Qualification of personnel............................................................................................ 41

Performing maintenance work..................................................................................... 41

Organisational measures............................................................................................. 41

Maintaining operational safety..................................................................................... 41

Special hazards........................................................................................................... 42

Safety devices................................................................................................................... 43

Warning signs.............................................................................................................. 43

Traffic safety equipment.............................................................................................. 49

Parking brake.............................................................................................................. 52

Environmental protection.................................................................................................. 53

Handling hazardous substances................................................................................. 53

Fuel efficiency and soil protection............................................................................... 53

Disposal of the machine.............................................................................................. 53

AUTOCUT Safety and environment

Safety advice..................................................................................................................... 55

Qualification of personnel............................................................................................ 55

Organisational measures............................................................................................. 55

Maintaining operational safety..................................................................................... 55

Special hazards........................................................................................................... 56

Safety devices................................................................................................................... 57

Warning signs.............................................................................................................. 57

EMERGENCY STOP and fire extinguisher................................................................. 58

Control terminal operation

Steering computer operation............................................................................................. 60

Contents

8 | Operating manual JUMBO 6620 L 0548.en.80U.0

Steering computer terminal overview.......................................................................... 60

Adjusting threshold values........................................................................................... 60

"collision alarm" menu....................................................................................................... 61

Adjustment of collision alarm threshold value................................................................... 62

Collision alarm collision threshold value display............................................................... 63

Deactivating the collision alarm......................................................................................... 64

Steering computer main display.................................................................................. 65

Event memory............................................................................................................. 66

Weighing unit operation.................................................................................................... 68

Layout and function..................................................................................................... 68

Activating/deactivating the weighing unit..................................................................... 68

Activate the "SET" menu............................................................................................. 69

"WORK" menu............................................................................................................. 70

“SET” menu weighing unit section............................................................................... 71

Weighing procedure methods...................................................................................... 80

Wayne procedure.............................................................................................................. 80

"DATA" menu.............................................................................................................. 85

Data transfer hardware................................................................................................ 86

Data transfer software....................................................................................................... 88

Data processing................................................................................................................ 90

Load safeguard COVER PLUS operation (option)............................................................ 91

AUTOCUT control............................................................................................................. 93

Calling up the "Cutter sharpening" menu.................................................................... 94

FIELD OPERATOR 130 Terminal operation..................................................................... 95

Field Operator 130 Terminal overview........................................................................ 95

Warning messages...................................................................................................... 96

System menu............................................................................................................... 97

External charging adapter........................................................................................... 101

Field Operator terminal holder..................................................................................... 102

POWER CONTROL Terminal operation........................................................................... 102

Overview of the POWER CONTROL terminal............................................................. 102

POWER CONTROL keys/soft keys............................................................................. 105

Basic functions............................................................................................................ 106

Turn terminal on/off and activate START menu................................................................ 106

System Menu.................................................................................................................... 107

POWER CONTROL Operating diagram........................................................................... 108

"WORK" menu............................................................................................................. 109

"SET" menu................................................................................................................. 121

Contents

0548.en.80U.0 Operating manual JUMBO 6620 L | 9

“CONFIG” menu (configuration menu)........................................................................ 134

"TEST" menu............................................................................................................... 138

Activating "DATA" menu.............................................................................................. 141

ISOBUS error messages............................................................................................. 143

POWER CONTROL Alarm messages......................................................................... 146

ISOBUS terminals............................................................................................................. 149

EXPERT 75 Terminal overview................................................................................... 149

Input keypad...................................................................................................................... 150

CCI 100 Terminal overview......................................................................................... 151

Input keypad...................................................................................................................... 152

CCI 1200 Terminal overview............................................................................................. 154

ISOBUS operation....................................................................................................... 154

ISOBUS keys/softkeys...................................................................................................... 154

Input masks....................................................................................................................... 156

Selection masks................................................................................................................ 157

Terminal on /off - "START" menu...................................................................................... 158

ISOBUS operating diagram............................................................................................... 160

Activate “WORK” menu (operating mode)........................................................................ 161

Activating "TRANSPORT" menu....................................................................................... 174

"SET" menu....................................................................................................................... 175

“CONFIG” menu (configuration menu).............................................................................. 189

"TEST" menu.................................................................................................................... 192

Activating "DATA" menu................................................................................................... 196

ISOBUS error messages................................................................................................... 197

ISOBUS alarm messages................................................................................................. 200

Isobus "Auxiliary" function (AUX)...................................................................................... 203

Valves / cover / auxiliary equipment

Side protection / front protection operation....................................................................... 206

Use climbing aid................................................................................................................ 206

Swivelling up/swivelling down the AUTOCUT hydraulic block.......................................... 208

Support stand operation.................................................................................................... 209

Operation

Initial operation.................................................................................................................. 212

Adjusting the tractor trailer-coupling............................................................................ 212

Determine tractor ballast............................................................................................. 212

Contents

10 | Operating manual JUMBO 6620 L 0548.en.80U.0

Determine the required tractor ballast weights using the weighing method...................... 213

Determine the required tractor ballast weights using calculation...................................... 215

Electronically controlled positive steering.................................................................... 216

Adapting the tractor hydraulics.................................................................................... 216

Adjustment of the cardan shaft.................................................................................... 217

Check PTO drive............................................................................................................... 219

Emergency-brake adjustment bolt position (hydraulic single pipe brake H1L)............ 219

Breakaway cable attachment (emergency brake valve hydraulic single pipe brake

H1L)............................................................................................................................. 220

Adjusting and retrofitting................................................................................................... 221

Adjusting the oil pressure switch................................................................................. 222

Installing the oil pressure switch.................................................................................. 222

Positive steering.......................................................................................................... 223

Setting the collision guard................................................................................................. 223

Installing bracket (Ø 50).................................................................................................... 224

Filling the hydraulic positive steering cylinder/reservoir.................................................... 225

Adjusting hydraulic positive steering................................................................................. 226

Articulated drawbar...................................................................................................... 227

Pivoting drawbar height loading operation adjustment..................................................... 227

Pivoting drawbar vibration damping.................................................................................. 229

Pick-up......................................................................................................................... 231

Pick-up sensing roller (option)........................................................................................... 231

Setup and front covers................................................................................................ 233

Adjusting the hose holder.................................................................................................. 233

Hydraulic front flap settings............................................................................................... 234

Mechanical front flap......................................................................................................... 236

Pressing channel cover (option)........................................................................................ 236

Installation positions of the tailgate hydraulic cylinders..................................................... 238

Discharge beaters............................................................................................................. 238

Full message / scraper floor switching (actuator and switch)............................................ 241

Coupling............................................................................................................................ 242

Attach drawbar............................................................................................................ 243

Connect cardan shaft.................................................................................................. 244

Installing hydraulic positive steering............................................................................ 245

Installing electronic positive steering........................................................................... 246

Air pressure - braking system (Option)........................................................................ 246

Connect hydraulic hoses............................................................................................. 248

Load sensing valve adjustment................................................................................... 250

Contents

0548.en.80U.0 Operating manual JUMBO 6620 L | 11

Connect cables............................................................................................................ 251

Mounting the POWER CONTROL terminal................................................................. 251

Fit the ISOBUS terminal.............................................................................................. 252

Fit EXPERT 100 (CCI-100) Terminal ......................................................................... 253

Connect the tractor terminal........................................................................................ 254

Work assignment.............................................................................................................. 254

Cutting unit locking mechanism check........................................................................ 255

Manual load matching valve setting (hydraulic brake)................................................. 256

Cutting unit operation.................................................................................................. 257

Permissible cardan shaft angle................................................................................... 258

Lifting axle................................................................................................................... 258

Tailgate operation........................................................................................................ 259

Trailing steering axle operation................................................................................... 259

External keypad........................................................................................................... 260

Driving with a pivoted drawbar.................................................................................... 262

Cutter sharpening operation........................................................................................ 262

Loading procedure....................................................................................................... 265

Loading procedure general tips......................................................................................... 265

Adjusting the pick-up......................................................................................................... 266

Loading process (via pick-up)........................................................................................... 267

Unloading procedure................................................................................................... 269

Unloading with dosing unit................................................................................................ 269

Unloading without dosing rollers....................................................................................... 270

Decommissioning ............................................................................................................. 271

Unhitching......................................................................................................................... 271

Uncoupling the cardan shaft........................................................................................ 271

Dismounting the POWER CONTROL terminal............................................................ 272

Dismounting the CCI terminal...................................................................................... 273

Separate the tractor terminal....................................................................................... 273

Disconnect air pressure-braking system connecting lines........................................... 273

Detach the machine from the tractor........................................................................... 274

Care and maintenance

Ensure operational readiness........................................................................................... 275

General tips....................................................................................................................... 275

Lifting jack lifting points..................................................................................................... 276

Trailer brake valve quick release position (air brake)........................................................ 276

Oil filling, oil drainage and oil level control plugs............................................................... 277

Contents

12 | Operating manual JUMBO 6620 L 0548.en.80U.0

Cardan shaft maintenance................................................................................................ 279

Checking the friction clutch.......................................................................................... 280

Check the cardan shaft cam clutch............................................................................. 281

Daily maintenance............................................................................................................. 281

Check the brake hoses and hose couplings................................................................ 281

Draining the compressed air tank................................................................................ 282

Check/correct press gearbox seating.......................................................................... 283

Check/correct tyre pressures....................................................................................... 285

Check hydraulic system............................................................................................... 286

Check / change lighting of lamps................................................................................. 287

Check / replace warning signs, warning triangles, warning sheets............................. 292

Before every season......................................................................................................... 293

Topping up the gear oil................................................................................................ 293

Change gear oil........................................................................................................... 293

Checking/lubricating the traction coupling ball............................................................ 294

Before every season and as needed................................................................................ 295

Check/adjust the hydraulic chassis (option)................................................................ 295

Before every season and then after every 40 operating hours......................................... 297

Lubricate the pick-up drive chains............................................................................... 297

After every season............................................................................................................ 298

Clean outside of machine............................................................................................ 298

Remove any deposits in the frame profile................................................................... 299

Check the screw connections of the frame and axle bridge........................................ 300

Check/adjust wheel brake cylinder piston stroke (air brake)....................................... 300

As required........................................................................................................................ 301

Cutting unit.................................................................................................................. 301

Fold out or swivel out sideways the cutter bar.................................................................. 301

Cutter removal/installation................................................................................................. 306

Manually sharpen cutter.................................................................................................... 307

Clean the cutter safety device........................................................................................... 308

Adjust cutter lock............................................................................................................... 308

Cutter released torque...................................................................................................... 309

Setting cutter swivelling out mechanism........................................................................... 310

Adjust cutter bar................................................................................................................ 311

Checking/retensioning the scraper floor chains........................................................... 312

Hydraulic oil filter change............................................................................................ 313

Clean terminal............................................................................................................. 314

Replace press rotor scrapers...................................................................................... 314

Contents

0548.en.80U.0 Operating manual JUMBO 6620 L | 13

Replace pick-up tines.................................................................................................. 317

Exchange field operator batter.................................................................................... 318

Clean the AUTOCUT................................................................................................... 319

Replace AUTOCUT grinding disc................................................................................ 319

Correct AUTOCUT sharpening quality........................................................................ 322

Tension/replace AUTOCUT sharpening head drive belt............................................. 323

Adjust AUTOCUT cross slide guide roller................................................................... 324

Adjust AUTOCUT sharpening head angle................................................................... 325

After service life................................................................................................................. 326

Middle of the season................................................................................................... 326

Check the gear oil fill level................................................................................................ 326

After the first 10 operating hours, then every 200 hours............................................. 327

Lubricate support axle, underneath and sides.................................................................. 327

Initially after 10 hours, then first loaded journey after tyre changes, then every

500 hours..................................................................................................................... 328

Retighten washers............................................................................................................ 328

Initially after 10 hours, then every 500 hours or every six months.............................. 328

Check screws on bogey chassis....................................................................................... 328

Check bogey chassis spring tension housing bearing bolt............................................... 329

Check bogey chassis spring tension housing bearing bolt............................................... 330

Initially after 10 hours, then every 500 hours............................................................... 330

Check hydraulic chassis spring bolts................................................................................ 330

Every 30 operating hours............................................................................................ 331

Lubricate AUTOCUT......................................................................................................... 331

Every 40 operating hours............................................................................................ 332

Lubricate steering axles steering arm bearing.................................................................. 332

1x per month during the operating period.................................................................... 333

Drawbar eye 548.76.421.0 (option) wear check/replacement........................................... 333

Every 200 operating hours.......................................................................................... 333

Check wheel hub bearing play.......................................................................................... 333

Adjusting the wheel hub bearing play............................................................................... 334

Check the brake linings..................................................................................................... 335

Lubricate steering axle locking mechanism cylinder head................................................ 335

Lubricate hydraulic chassis damping cylinder................................................................... 336

Check the cutter spacing to the rotor................................................................................ 336

Check/correct scraper spacing.......................................................................................... 337

Every 200 hours and after more than 3 months stationary.......................................... 340

Lubricate bearings of brake shafts inside and outside...................................................... 340

Contents

14 | Operating manual JUMBO 6620 L 0548.en.80U.0

Check standard brake linkage adjuster............................................................................. 341

Every 500 operating hours or annually........................................................................ 342

Check hydraulic chassis damping cylinder....................................................................... 342

Check the hydraulic/chassis spring connection................................................................ 343

Check adjustment of automatic brake linkage adjuster..................................................... 343

Check the function of the automatic brake linkage adjuster.............................................. 343

Lubricate brake linkage adjuster....................................................................................... 344

Every 500 hours or annually and after replacing brake linings.................................... 345

Lubricate automatic linkage adjuster................................................................................. 345

Every 1000 operating hours or annually...................................................................... 345

Replace chassis wheel hub bearing grease...................................................................... 345

Every 40 loads............................................................................................................. 346

Lubricate the dosing roller drive chains............................................................................. 346

Every 80 loads............................................................................................................. 348

Lubricate press rotor......................................................................................................... 348

Lubricate load safeguard (COVER+)................................................................................ 348

x per year..................................................................................................................... 349

Check/correct adjustment of sensors................................................................................ 349

Every 2 years and as needed...................................................................................... 353

AUTOCUT fire extinguisher.............................................................................................. 353

Every 4 years............................................................................................................... 353

Check and adjust hydraulic pressure accumulator........................................................... 353

Every 6 years............................................................................................................... 355

Hydraulic hoses................................................................................................................. 355

Overview of maintenance work on axles and wheels....................................................... 355

Lubrication plans............................................................................................................... 360

Operating materials

Equipment specification.................................................................................................... 363

Working materials and fill quantities.................................................................................. 363

Help and advice

Cardan shaft - cam clutch................................................................................................. 365

Dosing unit cam clutch...................................................................................................... 365

What to do if...................................................................................................................... 365

Lighting........................................................................................................................ 366

Sensor troubleshooting................................................................................................ 366

Contents

0548.en.80U.0 Operating manual JUMBO 6620 L | 15

Pick-up angle sensors....................................................................................................... 367

Feeler wheel sensors Pick-up Super Large 2360............................................................. 368

Hydraulics emergency actuation................................................................................. 369

Hydraulic controlled steering emergency operation.................................................... 372

Electronic positive steering.......................................................................................... 373

Electronic positive steering emergency operation....................................................... 375

Read out the event recorder........................................................................................ 376

Steering computer error code list................................................................................ 377

Machine monitoring alarm messages.......................................................................... 422

Pick-up mechanical relief............................................................................................. 424

Pick-up hydraulic relief................................................................................................ 425

Pick-up Super Large scraper plate.............................................................................. 427

ALB Regulator............................................................................................................. 428

Wiring diagrams................................................................................................................ 429

Hydraulic circuit diagrams........................................................................................... 429

Electrical circuit diagrams............................................................................................ 436

AUTOCUT help and advice

Troubleshooting................................................................................................................ 442

Cutter bar does not swivel........................................................................................... 443

Turn off the blade sharpening unit............................................................................... 444

Hydraulics emergency actuation....................................................................................... 444

Adjustment of sensors....................................................................................................... 447

Wiring diagrams................................................................................................................ 450

Electrical circuit diagrams............................................................................................ 450

Hydraulic circuit diagrams........................................................................................... 455

Contents

16 | Operating manual JUMBO 6620 L 0548.en.80U.0

Transport safeguard electronic positive steering

On delivery of the machine from the factory, the shut-off valves on the hydraulic block of the

electronic positive steering are closed.

This locks the steering axles. This allows the machine to be manoeuvred without hitching to

a tractor.

Tridem axles: Shut-off valves 1 / 2 / 3 / 4 of the steering axles in the transport safeguard po-

sition (= closed)

Tandem axles: Shut-off valves 5 / 6 of the steering axles in the transport safeguard position

(= closed)

Transport safeguards set up in the factory

0548.en.80U.0 Operating manual JUMBO 6620 L | 17

Prerequisite

• Machine must be standing on level, stable ground and secured against rolling.

• Tractor motor turned off, ignition key removed and stored.

Implementation

TIP

The shut-off valves are located above the first axle of the chassis.

► Open the shut-off valve as shown below.

Tridem axles: Shut-off valves 1 / 2 / 3 / 4 of the steering axles in operating position (= open)

Tandem axles: Shut-off valves 5 / 6 of the steering axles in operating position (= open)

Transport safeguards set up in the factory

18 | Operating manual JUMBO 6620 L 0548.en.80U.0

Tightening torque

This factory standard applies to all metric bolts for which no special tightening torque is

specified in the drawing/manual. The relevant grade is visible on the bolt head.

• The values given are nominal and are valid for a head friction rate of IJ=0.14 and a

thread friction of IJ=0.125 Slight tensioning force differences can exist through differing

friction rates. The values given are to be kept to a tolerance of ± 10%.

• By using the given tightening torque and the existing friction rate used, then up to 90%

of the minimum yield strength of the bolt material is used in accordance with DIN ISO

898 .

• If a specific tightening torque is given for a bolt connection, then all these bolt connec-

tions are to be tightened to the specified tightening torque using a torque wrench.

Thread Grade 8.8 Grade 10.9

Tightening tor-

que in Nm

Tensioning force

in N

Tightening tor-

que in Nm

Tensioning force

in N

M 4 3.1 4000 4.4 5700

M 5 6.2 6600 8.7 9300

M 6 10.5 9300 15 13000

M 8 25 17000 36 24000

M 10 50 27000 70 38000

M 12 86 39500 121 56000

M 14 135 54000 195 76000

M 16 215 75000 300 105000

M 20 410 117000 580 164000

M24 710 168000 1000 237000

M 30 1400 270000 2000 380000

M 8 x 1 27 18700 38 26500

M 10 x 1.25 53 29000 74 41000

M 12 x 1.25 95 44500 130 63000

M 14 x 1.5 150 60000 210 85000

M 16 x 1.5 230 81000 320 115000

M 20 x 1.5 460 134000 650 189000

M 24 x 2 780 188000 1090 265000

Factory standard tightening torque

0548.en.80U.0 Operating manual JUMBO 6620 L | 19

Functional elements

Names and functions

Pos. Element Function

1 Articulated drawbar Hydraulically actuated. Hitching to tractor and setting

the machine height (for automatic operation automatic

adjustment)

2 Front cover Hydraulically actuated. The transfer of chopped material

directly from the chopper is facilitated.

3 Body, upper section Optional with roof profiles (hard cover) for high com-

pression of low-density crops such as straw.

Optional with loaded material cover (dry cover)

4 Loaded material cover Hydraulically actuated. Protection against loss of crop

during road transport (load safeguard).

5 Tailgate Hydraulically actuated. Full opening of the loading area

possible.

6 Access door with access

ladder

Access for the loading area during maintenance and

cleaning as well as during changeover from pick-up op-

eration to transport of chopped material (loading chan-

nel cover).

7 Axle unit and axles Tridem or Tandem axle unit with steering axle and vari-

ous tyres.

Optional with lift axle, EBS (electronic brake system)

and intelligent trailing steering axle (inclination sensors).

8 Scraper floor Hydraulically actuated. Conveys the loaded material for-

wards and backwards with selectable speed.

9 Automatic blade sharpen-

ing unit (AUTOCUT)

Hydraulically actuated. Sharpening the cutter without

cutter removal simplifies the sharpening of the cutter.

10 Knife bank Cutter bar with variable number of cutters, which folds

out hydraulically and swivels out manually to the side.

The scraper incorporated in the cutting unit removes dirt

deposits from the cutter.

11 Pick-up The pick-up adapts to the uneven ground due to the

flexible suspension and enables quick and clean picking

up of the crop from the field and transfer to the rotor and

cutting unit

12 Support stand Manually actuated. When parking the machine on a lev-

el, load-bearing surface.

Layout and function

20 | Operating manual JUMBO 6620 L 0548.en.80U.0

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Pottinger JUMBO 6620 L Operating instructions

Pottinger JUMBO 6620 L Operating instructions

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