MTU 8V4000Mx4R Operating Instructions Manual

Category
Engine
Type
Operating Instructions Manual

This manual is also suitable for

Operating Instructions
Diesel Engine
8V4000Mx4
8V4000Mx4S
8V4000Mx4R
MS150109/01E
Engine model kW/cyl.
Application group
8V4000M24S 111.9 kW/cyl. 3A, continuous operation, unlimited
8V4000M54 111.9 kW/cyl. 1A, continuous operation, unlimited
8V4000M54R 93.3 kW/cyl. 1A, continuous operation, unlimited
Table 1: Applicability overview
© 2015 Copyright MTU Friedrichshafen GmbH
This publication is protected by copyright and may not be used in any way, whether in whole or in part, without the prior writ-
ten consent of MTU Friedrichshafen GmbH. This particularly applies to its reproduction, distribution, editing, translation, micro-
filming and storage or processing in electronic systems including databases and online services.
All information in this publication was the latest information available at the time of going to print. MTU Friedrichshafen GmbH
reserves the right to change, delete or supplement the information provided as and when required.
Table of Contents
1 Safety
1.1 Correct use for all products 5
1.2 Personnel and organizational requirements 6
1.3 Transport 7
1.4 Safety regulations for startup and operation 8
1.5 Safety precautions when working on the
engine 10
1.6 Fire prevention and environmental
protection, fluids and lubricants, auxiliary
materials 13
1.7 Standards for safety notices in the text 15
2 General Information
2.1 Tightening specifications for screws, nuts
and bolts 16
2.2 Engine side and cylinder designations 29
2.3 Product description 30
2.4 Engine overview 38
2.5 Sensors and actuators – Overview 42
2.6 Engine wiring harness – Overview 52
3 Technical Data
3.1 Engine data 8V4000M24S, Marine EPA Tier
3, IMO Tier II 57
3.2 Engine data 8V4000M54, Marine EPA Tier
3, IMO Tier II 61
3.3 Engine data 8V4000M54R, Marine EPA Tier
3, IMO Tier II 65
3.4 Firing order 69
3.5 Main engine dimensions 70
4 Operation
4.1 LOP controls 72
4.2 Putting the engine into operation after
extended out-of-service periods (>3 months) 73
4.3 Putting the engine into operation after
scheduled out-of-service-period 74
4.4 Starting the engine via the automation
system 75
4.5 Operational checks 76
4.6 Tasks after extended out-of-service periods
(>3 weeks) 77
4.7 Fuel treatment system control cabinet –
Controls 78
4.8 Checks prior to start-up 79
4.9 Fuel treatment system – Initial start-up 80
4.10 Fuel treatment system – Switching on 83
4.11 Emergency engine shutdown via
automation system 84
4.12 Engaging from LOP 85
4.13 Disengaging from LOP 86
4.14 Waterjet – Flushing from LOP (optional) 87
4.15 Engine shutdown via the automation
system 88
4.16 After stopping the engine 89
4.17 Fuel treatment system – Shutdown 90
4.18 Plant – Cleaning 91
5 Maintenance
5.1 Maintenance task reference table [QL1] 92
6 Troubleshooting
6.1 Troubleshooting 93
6.2 Control cabinet of fuel treatment system –
Troubleshooting 96
6.3 Engine governor ADEC (ECU 7) fault
messages for Series 4000 engines, marine
application 97
6.4 Engine Control Unit ADEC (ECU 7) – Fault
codes 98
7 Task Description
7.1 SOLAS 163
7.1.1 SOLAS shielding as per MTN 5233 –
Installation 163
7.1.2 SOLAS shielding – Installation 164
7.1.3 SOLAS shielding – Installation locations 165
7.2 Engine 172
7.2.1 Engine – Barring manually 172
7.2.2 Engine – Barring with starting system 174
7.3 Cylinder Liner 175
7.3.1 Cylinder liner – Endoscopic examination 175
7.3.2 Instructions and comments on endoscopic and
visual examination of cylinder liners 177
7.4 Valve Drive 179
7.4.1 Cylinder head cover – Removal and
installation 179
7.4.2 Valve gear – Lubrication 180
7.4.3 Valve clearance – Check and adjustment 181
7.5 Injection Pump / HP Pump 184
7.5.1 HP pump – Filling with engine oil 184
7.5.2 HP pump – Relief bore check 185
7.6 Injector 186
7.6.1 Injector – Replacement 186
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7.6.2 Injector – Removal and installation 187
7.7 Fuel System 193
7.7.1 Fuel system – Venting 193
7.8 Fuel Filter 195
7.8.1 Additional fuel filter – Overview 195
7.8.2 Additional fuel filter – Replacement 196
7.8.3 Fuel filter – Replacement 198
7.8.4 Fuel prefilter – Differential pressure gage
check and adjustment of gage 200
7.8.5 Fuel prefilter – Draining 201
7.8.6 Fuel prefilter – Flushing 203
7.8.7 Fuel prefilter with water separator – Filter
element replacement 205
7.8.8 Fuel prefilter with water separator – O-ring
replacement in rotary slide valve 208
7.9 Exhaust Turbocharger 209
7.9.1 Compressor wheel – Cleaning 209
7.10 Charge-Air Cooling 214
7.10.1 Intercooler – Check water drain for coolant
leakage and obstruction 214
7.11 Air Filter 215
7.11.1 Air filter – Replacement 215
7.11.2 Air filter – Removal and installation 216
7.12 Air Intake 217
7.12.1 Service indicator – Signal ring position check 217
7.13 Starting Equipment 218
7.13.1 Starter – Condition check 218
7.14 Lube Oil System, Lube Oil Circuit 219
7.14.1 Engine oil – Level check 219
7.14.2 Oil indicator filter – Cleaning and check 220
7.14.3 Engine oil – Change 222
7.14.4 Engine oil – Sample extraction and analysis 224
7.15 Oil Filtration / Cooling 226
7.15.1 Engine oil filter ‒ Replacement 226
7.15.2 Automatic oil filter – Oil filter candles
replacement 228
7.15.3 Centrifugal oil filter – Cleaning and filter
sleeve replacement 231
7.16 Coolant Circuit, General, High-Temperature
Circuit 234
7.16.1 Engine coolant level – Check 234
7.16.2 Engine coolant – Change 235
7.16.3 Engine coolant – Draining 236
7.16.4 Engine coolant – Filling 237
7.16.5 HT coolant pump – Relief bore check 239
7.16.6 Engine coolant – Sample extraction and
analysis 240
7.16.7 Preheating unit 241
7.17 Raw Water Pump with Connections 244
7.17.1 Raw water pump – Relief bore check 244
7.18 Battery-Charging Generator 245
7.18.1 Battery-charging generator drive – Coupling
condition check 245
7.19 Engine Mounting / Support 246
7.19.1 Engine mounting – Check 246
7.20 Auxiliary PTO 247
7.20.1 Bilge pump – Relief bore check 247
7.21 Fuel Supply System 248
7.21.1 Water drain valve – Check 248
7.21.2 Differential pressure gauge – Check 249
7.21.3 Water level probe (3-in-1 rod electrode) –
Check 250
7.21.4 Pump capacity – Check 251
7.21.5 Coalescer filter element – Replacement 252
7.22 Wiring (General) for Engine/Gearbox/Unit 254
7.22.1 Engine cabling – Check 254
7.23 Accessories for (Electronic) Engine
Governor / Control System 255
7.23.1 Resetting CDC parameter and entering IIG
with DiaSys® 255
7.23.2 Limit switch for start interlock ‒ Check 256
7.23.3 Engine Control Unit ECU 7 – Checking plug
connections 257
7.23.4 Engine Monitoring Unit EMU 8 – Plug
connections check 258
7.23.5 Interface module EIM plug connections –
Check 259
7.23.6 Engine Control Unit ECU 7 – Removal and
installation 260
7.23.7 EMU 8 – Removal and installation 261
7.23.8 Engine Interface Module EIM – Removal and
installation 262
7.23.9 Diagnostic features on EIM 263
7.24 Emergency Instrumentation (Local
Operating Panel) 266
7.24.1 LOP and connectors – Cleaning 266
8 Appendix A
8.1 Abbreviations 267
8.2 MTU contact persons/service partners 269
9 Appendix B
9.1 Special Tools 270
9.2 Index 276
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1 Safety
1.1 Correct use for all products
Correct use
The product is intended for use in accordance with its contractually-defined purpose as described in the rele-
vant technical documents only.
Intended use entails operation:
Within the permissible operating parameters in accordance with the (→ Technical data)
With fluids and lubricants approved by the manufacturer in accordance with the (→ Fluids and Lubricants
Specifications of the manufacturer)
With preservation approved by the manufacturer in accordance with the (→ Preservation and Represerva-
tion Specifications of the manufacturer)
With spare parts approved by the manufacturer in accordance with the (→ Spare Parts Catalog/MTU con-
tact/Service partner)
In the original as-delivered configuration or in a configuration approved by the manufacturer in writing (in-
cluding engine control/parameters)
In compliance with all safety regulations and in adherence with all warning notices in this manual
In compliance with the maintenance work and intervals specified in the (→ Maintenance Schedule)
throughout the useful life of the product
In compliance with the maintenance and repair instructions contained in this manual, in particular with
regard to the specified tightening torques
With the exclusive use of technical personnel trained in commissioning, operation, maintenance and re-
pair
By contracting only workshops authorized by the manufacturer to carry out repair and overhaul
The product shall not be operated in explosive atmospheres unless the necessary approval has been grant-
ed.
Any other use, particularly misuse, is considered as being contrary to the intended purpose. Such improper
use increases the risk of injury and damage when working with the product. The manufacturer shall not be
held liable for any damage resulting from improper, non-intended use.
The specifications of the manufacturer will be amended or supplemented as necessary. Prior to operation,
make sure that the latest version is used. The latest version can be found on the websites:
For drive systems: http://www.mtu-online.com
For power generation: http://www.mtuonsiteenergy.com
Modifications or conversions
Unauthorized changes to the product represent a contravention of its intended use and compromise safety.
Changes or modifications shall only be considered to comply with the intended use when expressly author-
ized by the manufacturer. The manufacturer shall not be held liable for any damage resulting from unauthor-
ized changes or modifications.
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1.2 Personnel and organizational requirements
Organizational measures of the user/manufacturer
This manual must be issued to all personnel involved in operation, maintenance, repair, assembly, installa-
tion, or transportation.
Keep this manual handy in the vicinity of the product such that it is accessible to operating, maintenance,
repair, assembly, installation, and transport personnel at all times.
Personnel must receive instruction on product handling and maintenance based on this manual with a spe-
cial emphasis on safety requirements and warnings.
This is important in the case of personnel who only occasionally perform work on or around the product.
These personnel must be instructed repeatedly.
Personnel requirements
All work on the product shall be carried out by trained and qualified personnel only:
Training at the Training Center of the manufacturer
Technical personnel from the areas mechanical engineering, plant construction, and electrical engineering
The operator must define the responsibilities of the personnel involved in operation, maintenance, repair, as-
sembly, installation, and transport in writing.
Personnel shall not report for duty under the influence of alcohol, drugs or strong medication.
Clothing and personal protective equipment
Always wear appropriate personal protective equipment, e.g. safety shoes, ear protectors, protective gloves,
goggles, breathing mask. Follow the instructions concerning personal protective equipment in the descrip-
tions of the individual activities.
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1.3 Transport
DANGER
Suspended load
Danger to life
Never stand under suspended loads!
Wear appropriate personal protective equipment.
Transport
Install the crankshaft locking device and the locking screws for the engine mounts prior to engine transporta-
tion.
Only use the lifting eyes provided to transport the engine.
Use only suitable transport and lifting gear.
Take the engine's center of gravity into account.
Transport the engine only in installation position: max. permissible diagonal pull 10 degrees.
Remove any loose parts from the engine.
Lift/lower the engine slowly. Ensure that lifting cables/chains do not touch the engine or any of its compo-
nents. Readjust lifting tackle as necessary.
If the engine is supplied with special aluminum foil packing: Lift the engine at the lifting eyes of the bearing
pedestal or use a means of transportation which is appropriate for the given weight (forklift truck).
Install the crankshaft locking device and the locking screws for the engine mounts prior to engine transporta-
tion (if applicable).
Secure the engine against tilting during transport. In particular when going down inclines or ramps, the en-
gine must be secured against moving and tilting.
Setting down the engine following transportation
Only set down engine on a firm, level surface.
Make sure that the consistency and load-bearing capacity of the ground or support surface is adequate.
Never set down engines onto the oil pan unless expressly permitted by MTU on an engine-specific base.
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1.4 Safety regulations for startup and operation
Safety regulations for startup
Install the product correctly and carry out acceptance in accordance with the manufacturer's specifications
before putting the product into service. All necessary approvals must be granted by the relevant authorities
and all requirements for initial startup must be fulfilled.
Whenever the product is subsequently taken into operation ensure that:
All personnel is clear of the danger zone surrounding moving parts of the machine.
Electrically-actuated linkages may be set in motion when the Engine Control Unit (governor) is switched
on.
All maintenance and repair work has been completed.
All loose parts have been removed from rotating machine components.
All safety equipment is in place.
No persons wearing pacemakers or any other technical body aids are present.
The service room is adequately ventilated.
In the first few hours of operation, the product emits gases as a result of smoldering e.g. lacquers or oil.
These gases may be hazardous to health. Always wear respiratory protection in the operating room during
this period.
The exhaust system is leak-tight and that the gases are vented to atmosphere.
Protect battery terminals, generator terminals or cables against accidental contact.
Check that all connections have been correctly allocated (e.g. +/- polarity, direction).
Immediately after putting the product into operation, make sure that all control and display instruments as
well as the signaling and alarm systems work properly.
Smoking is prohibited in the area of the product.
Safety regulations during operation
The operator must be familiar with the control and display elements.
The operator must be familiar with the consequences of any operations performed.
During operation, the display instruments and monitoring units must be permanently observed with regard to
present operating status, violation of limit values and warning or alarm messages.
Malfunctions and emergency stop
Practice emergency procedures, especially emergency stopping, at regular intervals.
The following steps must be taken if a malfunction of the system is detected or reported by the system:
Inform supervisor(s) in charge.
Analyze the message.
Respond by taking any necessary emergency action, e.g. emergency stop.
Operation
Do not remain in the operating room when the product is running for any longer than absolutely necessary.
Keep a safe distance away from the product if possible. Do not touch the product unless expressly instructed
to do so following a written procedure.
Do not inhale the exhaust gases of the product.
The following requirements must be fulfilled before the product is started:
Wear ear protection.
Mop up any leaked or spilled fluids and lubricants immediately or soak up with a suitable binder agent.
Operation of electrical equipment
Parts of the electrical equipment are live, i.e. under voltage/high tension, during operation.
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Follow the applicable warning instructions pertaining to such devices.
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1.5 Safety precautions when working on the engine
Safety regulations prior to maintenance and repair work
Have maintenance or repair work carried out by qualified and authorized personnel only.
Allow the product to cool down to less than 50 °C (risk of explosion for oil vapors, fluids and lubricants, risk
of burning).
Relieve pressure in fluid and lubricant systems and compressed-air lines which are to be opened. Use suita-
ble collecting vessels of adequate capacity to catch fluids and lubricants.
When changing the oil or working on the fuel system, ensure that the service room is adequately ventilated.
Never carry out maintenance and repair work with the product in operation, unless:
It is expressly permitted to do so following a written procedure.
The product is running in the low load range and only for as long as absolutely necessary.
Lock-out the product to preclude undesired starting, e.g.
Start interlock
Key switch
With hydraulic starting system: shut off supply line.
Attach “Do not operate” sign in the operating area or to control equipment.
Disconnect the battery cables or actuate the battery isolating switch, if fitted. Lock out circuit breakers.
Close the main valve on the compressed-air system and vent the compressed-air line when pneumatic start-
ers are fitted.
Disconnect the control equipment from the product.
Use the recommended special tools or suitable equivalents when instructed to do so.
Elastomer components (e.g. engine mounts, damping elements, couplings and V-belts) must not be painted.
They may only be installed after painting the engine or must be covered before painting work is carried out.
The following applies to starters with copper-beryllium alloy pinions:
Wear a respirator mask (filter class P3). Do not blow out the interior of the flywheel housing or the starter
with compressed air. Clean the flywheel housing inside with a class H dust extraction device.
Observe the safety data sheet.
Safety regulations during maintenance and repair work
Take special care when removing ventilation or plug screws from the product.
Release residual pressure before removing or replacing a component in the supply line. To depressurize pres-
surized lines, shut off the lines first, then release the residual pressure.
Use only proper and calibrated tools. Observe the specified tightening torques during assembly or disassem-
bly.
Carry out work only on assemblies or plants which are properly secured.
Make sure components or assemblies are placed on stable surfaces. Adopt suitable measures to avoid that
components/tools fall down. Use the specified lifting equipment for all components.
Never use the product as a climbing aid.
When working high on the equipment, always use suitable ladders and work platforms. Never work on en-
gines or components that are held in place by lifting equipment.
Keep fuel injection lines and connections clean.
Carry out appropriate cleaning procedures to clean and inspect components requiring special cleanness (e.g.
components carrying oil, fuel, or air).
Always seal connections with caps or covers if a line is removed or opened.
Fit new seals when re-installing lines.
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Never bend lines and avoid damaging lines, particularly the fuel lines.
Ensure that all retainers and dampers are installed correctly.
Ensure that O-rings are not installed in a slanted/twisted condition.
Ensure that all fuel injection and pressurized oil lines are installed with enough clearance to prevent contact
with other components. Do not place fuel or oil lines near hot components.
Do not touch elastomeric seals (e.g. Viton sealing rings) with your bare hands if they have a carbonized or
resinous appearance.
Note cooling time for components which are heated for installation or removal (risk of burning).
Pay particular attention to cleanliness at all times.
Remove any condensate from components which were chilled before assembly. If necessary, coat the com-
ponents with a suitable corrosion inhibitor.
Safety regulations following maintenance and repair work
Before barring the engine, make sure that nobody is standing in the danger zone of the product.
Check that all access ports/apertures which have been opened to facilitate working are closed again.
Check that all safety equipment has been installed and that all tools and loose parts have been removed
(especially the barring gear).
Ensure that no unattached parts have been left in/on the product (e.g. including rags and cable straps).
Ensure that the grounding system is properly connected.
Welding work
Welding operations on the product or mounted units are not permitted. Cover the product when welding in
its vicinity.
Before starting welding work:
Switch off the power supply master switch.
Disconnect the battery cables or actuate the battery isolating switch.
Separate the electrical ground of electronic equipment from the ground of the unit.
No other maintenance or repair work must be carried out in the vicinity of the product while welding is going
on. Risk of explosion or fire due to oil vapors and highly flammable process materials.
Do not use product as ground terminal.
Never position the welding power supply cable adjacent to, or crossing cabling harnesses of the product. The
welding current may otherwise induce an interference voltage in the cabling harnesses which could conceiv-
ably damage the electrical system.
Remove components (e.g. exhaust pipe) from the product before performing necessary welding work.
Hydraulic installation and removal
Check satisfactory function and safe operating condition of tools, jigs and fixtures to be used. Use only the
specified jigs and fixtures for hydraulic removal/installation procedures.
Observe the max. permissible force-on pressure specified for the jig/fixture.
Do not attempt to bend or exert force on H.P. lines.
Before starting work, pay attention to the following:
Vent the installation/removal device, the pumps and the pipework at the relevant designated points.
During the installation procedure, screw on device with pushed-in plunger.
During the removal procedure, screw on device with retracted plunger.
For a hydraulic installation/removal device with central expansion pressure supply, screw spindle into shaft
end until correct sealing is established.
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During hydraulic installation/removal of components, ensure that no persons are in the direct vicinity of the
component being pressed.
Working with batteries
Observe the safety instructions of the battery manufacturer when working with batteries.
Gases released from the battery are explosive. Avoid sparks and naked flames.
Do not allow battery acids to come into contact with skin or clothing.
Wear protective clothing, goggles and protective gloves.
Do not place objects on the battery.
Before connecting the cable to the battery, check the battery polarity. Battery pole reversal may lead to in-
jury through the sudden discharge of acid or bursting of the battery body.
Working on electrical and electronic assemblies
Always obtain the permission of the person in charge before commencing maintenance and repair work or
switching off any part of the electronic system required to do so.
De-energize the appropriate areas prior to working on assemblies.
Do not damage cabling during removal work. When reconnecting, ensure that cabling cannot be damaged
during operation by:
Contact with sharp edges
Chafing on components
Contact with hot surfaces.
Do not secure cables on lines carrying fluids.
Do not use cable straps to secure cables.
Always use connector pliers to tighten union nuts on connectors.
Subject the device as well as the product to a functional testing on completion of all repair work. Check cor-
rect execution of the emergency stop function in particular.
Store spare parts properly prior to replacement, i.e. protect them against moisture in particular. Package
faulty electronic components or assemblies properly before dispatching for repair:
Moisture-proof
Shock-proof
Wrapped in antistatic foil if necessary.
Work with laser devices
Work with laser devices shall be carried out by trained and qualified personnel only. Follow the safety in-
structions in the manufacturer's user manual when working with laser equipment.
Wear special laser safety glasses when working with laser equipment (danger of concentrated radiation).
Laser devices must be equipped, in accordance with their class and usage, with protective devices for ensur-
ing safe operation.
Measuring component dimensions
Workpieces, components and measuring equipment lie in the specified tolerance range at a reference tem-
perature of 20 °C.
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1.6 Fire prevention and environmental protection, fluids and
lubricants, auxiliary materials
Fire prevention
Flames, naked light and smoking are prohibited.
When working with combustible indirect materials, e.g. cleaning agent, ensure area is well ventilated. The
resultant steam/air mixture must be sufficiently diluted to prevent a potentially explosive atmosphere.
Rectify any fuel or oil leaks immediately. Oil or fuel on hot components can cause fires – therefore always
keep the product in a clean condition. Do not leave rags saturated with fluids and lubricants on the product.
Do not store combustible materials near the product.
Do not carry out welding work on pipes and components carrying oil or fuel. Before welding, clean with a
nonflammable fluid.
When starting the engine with an external power source, connect the ground lead last and remove it first. To
avoid sparks in the vicinity of the battery, connect the ground lead from the external power source to the
ground lead of the engine or to the ground terminal of the starter.
Always have a suitable extinguishing agent (fire extinguisher) on hand and familiarize yourself fully with its
handling.
Noise
Noise can lead to an increased risk of accidents if acoustic signals, warning shouts or sounds indicating dan-
ger are drowned.
Wear ear protectors in workplaces with a sound pressure level in excess of 85 dB (A).
Environmental protection and disposal
Dispose of used fluids, lubricants and filters in accordance with local regulations.
Within the EU, batteries can be returned free of charge to the manufacturer where they will be properly recy-
cled.
Auxiliary materials
Process materials may also be hazardous or toxic. When using consumables and auxiliary materials as well
as other chemical substances, observe the information contained in the safety data sheet for the product.
The safety data sheet may be obtained from the relevant manufacturer or from MTU.
Take special care when using hot, chilled or caustic materials.
Used oil
Used oil contains combustion residues that are harmful to health.
Wear protective gloves!
Wash relevant areas after contact with used oil.
Lead
Adopt suitable measures to avoid the formation of lead dust.
Switch on extraction system.
When working with lead or lead-containing compounds, avoid direct contact to the skin and do not inhale
lead vapors.
Wash relevant areas after contact with lead or lead-containing substances.
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Compressed air
Observe special safety precautions when working with compressed air:
Unauthorized use of compressed air, e.g. forcing flammable liquids (hazard class AI, AII and B) out of con-
tainers, risks causing an explosion.
Wear goggles when blowing dirt off workpieces or blowing away swarf.
Blowing compressed air into thin-walled containers (e.g. containers made of sheet metal, plastic or glass)
for drying purposes or to check for leaks risks bursting them.
Pay special attention to the pressure in the compressed air system or pressure vessel.
Assemblies or products which are to be connected must be designed to withstand this pressure. Install
pressure-reducing or safety valves set to the admissible pressure if this is not the case.
Hose couplings and connections must be securely attached.
Provide the snout of the air nozzle with a protective disk (e.g. rubber disk).
Release residual pressure before removing or replacing pneumatic equipment in the supply line. To de-
pressurize compressed-air lines, shut off the lines first, then release the residual pressure.
Carry out leak test in accordance with the specifications.
Painting
Observe the relevant safety data sheet for all materials.
When carrying out painting work outside the spray stands provided with fume extraction systems, ensure
that the area is well ventilated. Make sure that neighboring work areas are not adversely affected.
There must be no naked flames in the vicinity.
No smoking.
Observe fire-prevention regulations.
Always wear a mask providing protection against paint and solvent vapors.
Liquid nitrogen
Observe the relevant safety data sheet for all materials.
Work with liquid nitrogen may be carried out only by qualified personnel.
Store liquid nitrogen only in small quantities and always in specified containers without fixed covers.
Avoid body contact (eyes, hands).
Wear protective clothing, protective gloves, closed shoes and safety goggles.
Make sure that working area is well ventilated.
Avoid knocking or jolting the containers, valves and fittings or workpieces in any way.
Acids/alkaline solutions/urea (AdBlue
®
, DEF)
Observe the relevant safety data sheet for all materials.
When working with acids and alkaline solutions, wear goggles or face mask, gloves and protective cloth-
ing.
Do not inhale vapors.
If urea solution is swallowed, rinse out mouth and drink plenty of water.
Remove any wet clothing immediately.
After contact skin, wash body areas with plenty of water.
Rinse eyes immediately with eyedrops or clean tap water. Seek medical attention as soon as possible.
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1.7 Standards for safety notices in the text
DANGER
In the event of immediate danger.
Consequences: Death, serious or permanent injury!
Remedial action.
WARNING
In the event of a situation involving potential danger.
Consequences: Death, serious or permanent injury!
Remedial action.
CAUTION
In the event of a situation involving potential danger.
Consequences: Minor or moderate injuries!
Remedial action.
NOTICE
In the event of a situation involving potentially adverse effects on the product.
Consequences: Material damage!
Remedial action.
Additional product information.
Warning notices
1. This manual with all safety instructions and safety notices must be issued to all personnel involved in opera-
tion, maintenance, repair, assembly, installation, or transportation.
2. The higher level warning notice is used if several hazards apply at the same time. Warnings related to person-
al injury shall be considered to include a warning of potential damage.
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2 General Information
2.1 Tightening specifications for screws, nuts and bolts
Tightening torques for setscrew and stud joints to MTN 5008 standard
This standard applies to setscrews not subject to dynamic loads and the associated nuts according to:
MMN 384
ISO 4762 (DIN 912)
ISO 4014 (DIN 931-1)
ISO 4017 (DIN 933)
DIN EN ISO 8765 (EN 28765; DIN 960)
DIN EN ISO 8676 (EN 28676; DIN 961)
DIN 6912
This standard applies to studs not subject to dynamic loads and the associated nuts according to:
DIN 833
DIN 835
DIN EN ISO 5395 (DIN 836)
DIN 938
DIN 939
This standard applies to screws with hexalobular heads according to:
DIN 34800
DIN 34801
The standard does not apply to heat-resistant screws in the hot component zone.
Tightening torques M
A
are specified for screws of strength class 8.8 (surface finish bare metal, phosphatized
or galvanized) and 10.9 (surface finish bare metal or phosphatized).
The values in the table are based on a friction coefficient µtot = 0.125.
Threads and mating faces of screws and nuts must be coated with engine oil prior to assembly.
When hand-tightening (defined torque), an assembly tolerance of +10% of the figures in the table is permit-
ted.
When machine-tightening, the permissible assembly tolerance is ±15%.
Tightening torques for setscrews
Thread
Hand-tightening Machine-tightening
8.8 M
A
(Nm) 10.9 M
A
(Nm) 8.8 M
A
(Nm) 10.9 M
A
(Nm)
M6 9 12 8 11
M8 21 31 20 28
M8 x 1 23 32 21 30
M10 42 60 40 57
M10 x 1.25 45 63 42 60
M12 74 100 70 92
M12 x 1.25 80 110 75 105
M12 x 1.5 76 105 72 100
M14 115 160 110 150
M14 x 1.5 125 180 120 170
M16 180 250 170 235
M16 x 1.5 190 270 180 255
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Thread
Hand-tightening Machine-tightening
8.8 M
A
(Nm) 10.9 M
A
(Nm) 8.8 M
A
(Nm) 10.9 M
A
(Nm)
M18 250 350 240 330
M18 x 1.5 280 400 270 380
M20 350 500 330 475
M20 x 1.5 390 550 350 520
M22 480 680 450 650
M22 x 1.5 520 730 490 700
M24 600 850 570 810
M24 x 1.5 680 950 640 900
M24 x 2 660 900 620 850
M27 900 1250 850 1175
M27 x 2 960 1350 900 1275
M30 1200 1700 1100 1600
M30 x 2 1350 1900 1250 1800
M
A
= tightening torques
Tightening torques for studs
Thread
Screwed into
Steel M
A
(Nm)
Gray cast iron M
A
(Nm)
Al alloy M
A
(Nm)
M6 9 6 6
M8 11 9 10
M10 17 13 13
M12 27 23 18
M14 37 33 33
M16 55 45
M
A
= tightening torques
Tightening torques for setscrews and nuts made of stainless steel
The values in the table are based on a friction coefficient µtot = 0.12, lubricated with Molykote on the thread
and under the screw head.
Basic size
Strength class
Material
70 80
M
A
(Nm)
M
A
(Nm)
M5 3.7 4.9 A2 / A4
M6 6.4 8.5 A2 / A4
M8 15,3 20,4 A2 / A4
M10 31 41 A2 / A4
M12 52 70 A2 / A4
M16 126 167 A2 / A4
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Basic size
Strength class
Material
70 80
M
A
(Nm)
M
A
(Nm)
M20 254 326 A2 / A4
M
A
= tightening torques
Tightening torque for self-locking hex nuts
Thread
M
A
(Nm)
Lubricant
M6 7,5 +1
M8 17 +2
M10 35 +4
M12 59 +6
M14 100 +10
M16 140 +14
M20 290 +29
M
A
= tightening torques
Tightening torques for stress bolt connections to MTN 5007 standard
This standard applies to stress pin bolts and stress bolts which are subjected to static and dynamic load of
strength class 10.9 as well as to the associated nuts.
Shank and junction dimensions to MMN 209 standard and material and manufacture to MMN 389 standard
(bare metal or phosphatized).
The values in the table are based on a friction coefficient µtot = 0.125.
Threads and mating faces of screws and nuts must be coated with engine oil prior to assembly.
An assembly tolerance of +10% of the figures in the table is permitted due to unavoidable deviations during
the tightening process.
The figures in the table are for hand-tightening using a torque wrench.
Thread
Not torsion-protected M
A
(Nm)
Torsion-protected M
A
(Nm)
M6 9 12
M8 21 28
M8 x 1 24 30
M10 42 55
M10 x 1.25 46 60
M12 75 93
M12 x 1.5 78 99
M14 120 150
M14 x 1.5 135 160
M16 180 225
M16 x 1.5 200 245
M18 250 315
M18 x 1.5 300 360
M20 350 450
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Thread
Not torsion-protected M
A
(Nm)
Torsion-protected M
A
(Nm)
M20 x 1.5 430 495
M22 500 620
M22 x 1.5 560 675
M24 640 790
M24 x 2 700 850
M27 900 1170
M27 x 2 1000 1230
M30 1250 1575
*Protect screw shaft from torsion when tightening.
M
A
= tightening torques
Tightening torques for plug screws to MTN 5183-1 standard
This standard applies to plug screws to DIN 908, DIN 910 and DIN 7604 with threaded end to DIN 3852
Form A (sealed with sealing ring to DIN 7603-Cu).
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Tightening torques M
A
are given for screw plugs made of steel (St) with surface protected by a phosphate
coating and oiled or galvanized.
Threads and mating faces beneath heads must be coated with engine oil prior to assembly.
An assembly tolerance of +10% of the figures in the table is permitted due to unavoidable deviations during
the tightening process.
Tightening torques for plug screws to DIN 908, DIN 910 and DIN 7604A (with short threaded end).
Thread
Screwed into
Steel/gray cast iron M
A
(Nm)
AI alloy M
A
(Nm)
M10 x 1 15 15
M12 x 1.5 25 25
M14 x 1.5 35 30
M16 x 1.5 40 35
M18 x 1.5 50 40
M20 x 1.5 60 50
M22 x 1.5 70 70
M24 x 1.5 85 80
M26 x 1.5 100 100
M27 x 2 100 100
M30 x 1.5 110 110
M30 x 2 120 120
M33 x 2 160 160
M36 x 1.5 190 180
M38 x 1.5 220 200
M42 x 1.5 260 240
M45 x 1.5 290 270
M48 x 1.5 310 300
M52 x 1.5 325 320
M56 x 2 380 360
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MTU 8V4000Mx4R Operating Instructions Manual

Category
Engine
Type
Operating Instructions Manual
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