Cascade D Series User manual

Cascade is a Registered Trademark of Cascade Corporation

cascade



corporation

ERVICE MANUAL

S

D-Series

25D through 100D

Non-Sideshifting &

Sideshifting Clamps,

40D Turnafork

TM

Manual Number 669224-R5

i

669224-R5

ONTENTS

C

Page Page

INTRODUCTION, Section 1 SERVICE, Section 5

Introduction 1 Attachment Removal 23

Special Deﬁnitions 1 Arms 24

INSTALLATION, Section 2

Arm Assembly Removal and Installation 24

Truck Requirements 2 Bolt-On Arm Removal 25

Recommended Hydraulic Supply 3

Multi-Purpose/Rigid and Drum Arm Contact

Surface Replacement 26

Installation Procedure 4

Custom Arm Installation 9

Rigid Arm Contact Pad Rotation and

Replacement 26

Prior to Operation 10

PERIODIC MAINTENANCE, Section 3

Arm Bearing Removal and Installation 27

100-Hour Maintenance 11 Turnafork Arm Service 28

500-Hour Maintenance 11 Turnafork Arm Indexing 29

1000-Hour Maintenance 11 Cylinders 30

2000-Hour Maintenance 11 Cylinder Removal and Installation 30

TROUBLESHOOTING, Section 4

Cylinder Service 32

General Procedures 12 Cylinder Disassembly 32

Truck System Requirements 12 Cylinder Inspection 32

Tools Required 12 Cylinder Reassembly 33

Troubleshooting Chart 12 Restrictor Cartridges 34

Plumbing – Top Mount Valve 13 Restrictor Cartridge Adjustment 34

Hosing Diagram, Non-Sideshifting 13 Check Valves 35

Circuit Schematic, Non-Sideshifting 13 Check Valve Removal – Top Mount Valve 35

Hosing Diagram , Sideshifting

(including Turnafork) 14

Check Valve Removal – Center Mount Valve 35

Check Valve Service – Top Mount Valve 36

Circuit Schematic, Sideshifting

(including Turnafork) 15

Check Valve Service – Center Mount Valve 37

Eliminating the Arm Opening Regenerative

Function 37

Plumbing – Center Mount Valve 16

Hosing Diagram, Non-Sideshifting 16 Base Unit 38

Circuit Schematic, Non-Sideshifting 16

Frame and Mounting Plate Disassembly and

Reassembly 38Hosing Diagram , Sideshifting 17

Circuit Schematic, Sideshifting 18

Solenoid Valve 39

Attachment Troubleshooting 19 Coil Service 39

Clamp Circuit Pressure Test 19 Valve Service 39

Check Valve Pressure Test 20

SPECIFICATIONS, Section 6

Cylinder Test 20 Speciﬁcations 40

Sideshift Circuit Pressure Test 21 Hydraulics 40

Electrical Circuit 22 Auxiliary Valve Functions 40

Truck Carriage 41

Torque Values 42

669224-R5

1

NTRODUCTION

I

1.1 Introduction

This Manual provides the Installation, Periodic

Maintenance, Troubleshooting, Service and Speciﬁcations

for Cascade D-Series Non-Sideshifting Clamps,

Sideshifting Clamps and 40D Turnaforks.

In any communication about the attachment, refer to the

product I.D. number stamped on the nameplate as shown.

If the nameplate is missing, the numbers can be found

stamped on the right front web of the baseplate.

IMPORTANT: All hoses, tubes and ﬁttings on these

attachments are JIC.

NOTE: Speciﬁcations are shown in both inch and (Metric)

units.

1.2 Special Deﬁnitions

The statements shown appear throughout this Manual

where special emphasis is required. Read all WARNINGS

and CAUTIONS before proceeding with any work.

Statements labeled IMPORTANT and NOTE are provided

as additional information of special signiﬁcance or to make

your job easier.

WARNING - A statement preceded by

WARNING is information that should be

acted upon to prevent bodily injury. A

WARNING is always inside a ruled box.

CAUTION - A statement preceded by CAUTION is

information that should be acted upon to prevent

machine damage.

IMPORTANT - A statement preceded by IMPORTANT is

information that possesses special signiﬁcance.

NOTE - A statement preceded by NOTE is information that

is handy to know and may make your job easier.

cascade

®

cascade

®

CL1159.eps

Nameplate

2

669224-R5

NSTALLATION

I

WARNING: Rated Capacity of the truck/

attachment combination is a responsibility

of the original truck manufacturer and may

be less than that shown on the attachment

nameplate. Consult the truck nameplate.

GA0380.eps

Truck Relief Setting

2000 psi (140 bar) Recommended

2300 psi (160 bar) Maximum

Truck Flow Volume

➀

Min.

➁

Recommended Max.

➂

25D

4 GPM

(15 L/min.)

5.5 GPM

(21 L/min.)

5.5 GPM

(21 L/min.)

35D

4 GPM

(15 L/min.)

7 GPM

(26 L/min.)

7 GPM

(26 L/min.)

40D, 50D

4 GPM

(15 L/min.)

10 GPM

(38 L/min.)

10 GPM

(38 L/min.)

70D, 80D, 100D

7 GPM

(26 L/min.)

12 GPM

(45 L/min.)

15 GPM

(57 L/min.)

➀ Cascade D-Series Clamps are compatible with SAE 10W

petroleum base hydraulic ﬂuid meeting Mil. Spec. MIL-0-5606 or

MIL-0-2104B. Use of synthetic or aqueous base hydraulic ﬂuid

is not recommended. If ﬁre resistant hydraulic ﬂuid is required,

special seals must be used. Contact Cascade.

➁ Flow less than recommended will result in unequal arm

movement.

➂ Flow greater than maximum can result in excessive heating,

reduced system performance and short hydraulic system life.

Carriage Mount Dimension (A) ITA (ISO)

Minimum Maximum

Class II

Class III

Class IV

14.94 in. (380.0 mm)

18.68 in. (474.5 mm)

23.44 in. (595.5 mm)

15.00 in. (381.0 mm)

18.74 in. (476.0 mm)

23.50 in. (597.0 mm)

A

GA0028.eps

Carriage – Clean and inspect

carriage bars. Make sure the bars

are parallel and that ends are ﬂush.

Repair any damaged notches.

GA0082.eps

Hoist Down

Hoist Up

Tilt Forward

Tilt Backward

Sideshift Left

Sideshift Right

Open

Clamp

Auxiliary Valve Functions

Check for compliance with ITA (ISO) Standards:

2.1 Truck Requirements

3

669224-R5

NSTALLATION

I

2.2 Recommended

Hydraulic Supply

D-Series Clamps provide the best performance with one

of the hydraulic supply arrangements shown below. Refer

to Cascade Hose & Cable Reel Selection Guide, Part No.

212199, to select the correct hose reel for the mast and

truck. The hose and ﬁtting requirements are:

• All hoses and ﬁttings for CLAMP function should be

at least No. 8, minimum internal diameter of 13/32 in.

(10 mm).

• All hoses and ﬁttings for SIDESHIFT function should

be at least No. 6, minimum internal diameter of 9/32 in.

(7 mm).

Non-Sideshifting

A or B

RH or LH THINLINE

TM

2-port hose reel group

OR

C Mast single internal hose reeving group

Sideshifting

A and B

RH or LH THINLINE

TM

2-port hose reel group

OR

C Mast double internal hose reeving group

Sideshifting with Solenoid

A 6-N-1 cable/hose reel group

OR

A and C

Cable reel and single internal hose reeving group

GA0033.eps

A

B

C

4

669224-R5

NSTALLATION

I

2.3 Installation Procedure

Follow the steps shown to install the attachment on the truck.

Read and understand WARNING and CAUTION statements.

If you don't understand a procedure, ask your supervisor or

call the nearest Cascade Service Department for assistance.

CL0442.ai

1

2

Attach overhead hoist

A Remove banding, use multiple chains to

stabilize the attachment while lifting. Set the

attachment upright on the pallet.

B If equipped, remove bolt-on lower mounting

hooks.

Unlock quick-change lower

mounting hooks

A Remove pin and drop hooks into unlocked

position.

B Reinstall pin in lower hole.

WARNING: Check the attachment

weight (located on the nameplate)

to make sure the overhead hoist

and chains or straps are at least the

rated capacity of the attachment.

A

B

cascade

®

C-675514-1

CL0097.eps

A

B

Guide

LH Lower

Hook

5/8 in. (16 mm)

offset on top

provides maximum

hook clearance.

Tighten capscrews to:

CL II/III – 110 ft.-lbs. (150 Nm)

CL IV – 190 ft.-lbs. (260 Nm)

NOTE: Guides can be reversed

to change hook-to-carriage

clearance. Refer to lower hook

installation, Step 6.

5

669224-R5

NSTALLATION

I

3

Prepare hoses

CAUTION: Connect the hydraulic hoses to the attachment

using Cascade Attachment Installation Kit No. 659245

for non-sideshifting attachments and attachments with

solenoid adaption, Kit No. 659249 for sideshifting clamps

OR use hoses and ﬁttings as shown.

A Position the truck carriage behind the attachment to

determine hose lengths required for hydraulic supply

conﬁguration.

B Cut hoses to length and install end ﬁttings or use hose

kits supplied.

WARNING: Do not remove the

ﬁtting from the valve CLAMP (CL)

port. For No. 6 hose connection,

use a 6-8 reducer.

CL0448.ai

Sideshift Right – De-energized

Close – Energized

Sideshift Right – De-energized

Close – Energized

Sideshift Right – De-energized

Close – Energized

Sideshift Left – De-energized

Open – Energized

Sideshift Left – De-energized

Open – Energized

Sideshift Left – De-energized

Open – Energized

CL0444.ai

CL0447.eps

Hoses should not project

above the Check Valve

Bracket

No. 8 Hoses

(SAE 100 R5 Single

Wire Braid Rubber

Covered)

Remove ﬁttings

and cut hoses

to length

No. 6 Hoses

(SAE 100 R5 Single Wire

Braid Rubber Covered)

(Sideshifting attachments only)

Top Mount Valve

Center Mount Valve

Top Mounted Valve and

Backrest Mounted Solenoid Adaption

Center Mount Valve

and Solenoid Adaption

Top Mounted Valve

and Solenoid Adaption

CL0911.ai

CL0910.ai

Sideshift Right/Left

(These hoses apply to

sideshifting attachments only)

No. 8 Hoses

(SAE 100 R5 Single Wire

Braid Rubber Covered)

Close/Open

6

669224-R5

NSTALLATION

I

4

5

Flush hydraulic supply hoses

A Install hoses using union ﬁttings.

B Operate valves for 30 Seconds.

C Remove union ﬁttings.

Mount attachment on truck

carriage

A Center truck behind attachment.

B Tilt forward and raise carriage into position.

C Engage the mounting hook tab with the

closest upper carriage bar notch. Raise

the truck carriage into position behind the

attachment.

D Lift attachment off the pallet.

NOTE: The attachment may not be perfectly

centered on the carriage bar when the

mounting hook tab is engaged in the closest

carriage notch. This is normal.

NOTE: The lower hooks cannot be properly

installed if the upper hook tab is not engaged in

the carriage notch.

CL0449.ai

CL0912.ai

Tab

C

WARNING: The mounting hooks must

properly engaged with the upper carriage

bar. The tab on the left mounting hook

must be engaged in a mating notch on the

upper carriage bar.

7

669224-R5

NSTALLATION

I

6

7

Install and engage lower hooks

If equipped, install hydraulic

quick disconnect coupling kits

(part no. 671045)

NOTE: Use one kit for non-sideshifting

attachments and two kits for sideshifting

attachments. Refer to Installation 671422 for

complete installation procedures.

cascad

e

®

C-675514-1

GA0371.eps

ADJUST

SD0066.eps

Slide hook up to

engage bar, install

pin in upper hole

(locked)

Inspect hook for excessive

clearance. To change clearance,

reverse guides. Refer to Step 2.

Lower

Carriage

Bar

3/16 in.

(5 mm)

Maximum

Tap tight

into position

Lower

Carriage

Bar

Tighten capscrews to

165 Nm (120 ft.-lbs.)

QUICK-CHANGE TYPE

BOLT-ON TYPE

CL0903.ai

Sideshift

Hoses

Hydraulic Quick

Disconnect Coupling

Kits 671045

Clamp Hoses

NOTE: Each pair of hoses

requires a coupling kit.

Hose terminal

up kits

Hydraulic Quick

Disconnect Coupling

Kits 671045

Hose terminal

up kits

8

669224-R5

8

Tighten fork or arm capscrews

Use drive extension tool 668020 (25D), 667699

(35D, 40D, 50D) or 676218 (70D, 80D, 100D) to

tighten capscrews to the following torque values:

25D – 190–220 ft.-lbs. (257–298 Nm)

35D, 40D, 50D – 380–320 ft.-lbs. (380-434 Nm)

70D, 80D, 100D – 680–720 ft.-lbs. (922–976 Nm)

IMPORTANT: Be careful not to damage the arm

bar. Premature bearing failure will occur.

Short adapters are commercially available:

Williams .50 in. drive to .625 in. hex (25D) and .5

in. drive to .625 in. hex (35D, 40D, 50D) and .75

in. drive to .75 in. hex (70D, 80D,100D). Drive

extension dimensions are provided to make the

tool from an allen wrench. Do no use mild steel

hex stock.

CL0913.ai

Drive Extension

Capscrew

Arm Bar

CL0456.eps

A

Hex

B

C

D

63

Dimensions – in. (mm)

Model A B C D

25D

.50

(12.7)

.75

(19.0)

.46

(11.6)

3.50

(88.0)

35D

40D

50D

.62

(15.7)

.50

(12.7)

.58

(14.7)

3.50

(88.0)

70D

80D

100D

.75

(19.0)

.50

(12.7)

.75

(19.0)

5.00

(127.0)

NSTALLATION

I

9

669224-R5

2.4 Custom Arm

Installation

Attachments without arms are supplied with two arm

bases. Special forks can be welded directly to them or

they can be used as a base to fabricate custom built arms.

WARNING: Cascade requires that a

qualiﬁed or certiﬁed welder experienced

in this type of fabrication be used for best

quality.

CAUTION: Weld fabricated arms to the arm bases only.

Do not weld or bolt special built arms or forks directly to

the arm bars.

The arm base material is AISI C-1020 HR with the following

speciﬁcations:

• TENSILE STRENGTH – 61,000 PSI (420 mPa) Minimum

• YIELD STRENGTH – 43,000 PSI (300 mPa) Minimum

• CARBON CONTENT – 23% Maximum

CAUTION: The surface ﬂatness of the arm base must

remain within 0.10 in. (.25 mm) in capscrew area and arm

must slide manually.

1 Fasten the arm bases to the arm bars. Tighten the

capscrews to the torque values indicated below

with a drive extension tool, 668020 (25D), 667699

(35D,40D,50D) or 676218 (70D,80D, 100D) to tighten

capscrews to the following torque values:

25D – 190–220 ft.-lbs. (257–298 Nm)

35D, 40D, 50D – 280–320 ft.-lbs. (380-434 Nm)

70D, 80D, 100D – 680–720 ft.-lbs. (922-976 Nm)

IMPORTANT: Be careful not to damage the arm bar.

Premature bearing failure will occur.

Short adapters care commercially available:

Williams .50 in. drive to .625 in. hex (25D) and .50

in. drive to .625 in. hex (35D, 40D, 50D) and .75 in.

drive to .75 in. hex (70D, 80D, 100D). Drive extension

dimensions are provided to make the tool from the allen

wrench. Do no use mild steel hex stock.

2 Lubricate the cylinder rod threads, nut threads and

spherical portion of the nut with wheel bearing grease.

3 Install the hex washer on the rod end with the beveled

side facing the lug.

4 Engage the rod end into the lug.

5 Tighten the rod end nut to the following torque values:

25D, 30D, 40D, 50D – 150–175 ft.-lbs. (203-–237 Nm)

70D, 80D, 100D – 225–250 ft.-lbs. (305–340 Nm)

Prevent rod turning by using wrench on hex washer.

NOTE: The rod nut is being tightened against the hex

washer. The nut will not be tight against the arm base

lug. This looseness allows for cylinder alignment during

clamping.

6 Install the locking cap and cotter pin.

7 Lubricate the bearing portion of the arm bars with a thin

ﬁlm of chassis grease, if permitted by your application.

CL0457.ai

Drive Extension

Arm Bar

Arm Base

CL4232.ai

Arm Base Lug

Hex washers beveled

side facing lug

1

3

5

6

NSTALLATION

I

CL0456.eps

A

Hex

B

C

D

63

Dimensions – in. (mm)

Model A B C D

25D

.50

(12.7)

.75

(19.0)

.46

(11.6)

3.50

(88.0)

35D

40D

50D

.62

(15.7)

.50

(12.7)

.58

(14.7)

3.50

(88.0)

70D

80D

100D

.75

(19.0)

.50

(12.7)

.75

(19.0)

5.00

(127.0)

10

669224-R5

2.5 Prior to Operation

1 Check the cylinder anchor nuts for properly installed

locking caps and cotter pins.

2 Check for external leaks at the ﬁttings and rod ends.

25D, 35D, 40D and 50D Clamps – The clamp utilizes a

regenerative hydraulic circuit in the arm opening mode.

The arms will open at a faster speed than when closing.

This is normal. If required, the regenerative function

can be eliminated. Refer to Section 5.6-5.

3 Check for equal arm travel. If arm travel is unequal, the

restrictor cartridges should be adjusted as follows:

A Loosen the jam nuts on the restrictor cartridges.

Screw in the plungers until they bottom. Screw each

plunger out three full turns.

B Activate the arms to the fully open position

C Activate the arms to close until one arm bottoms

out. Measure the amount of stroke remaining in the

opposite arm.

D If unequal closing movement exceeds 2 in. (50 mm),

screw the plunger in 1/2 turn on the cylinder that

bottoms ﬁrst.

E Repeat step A through D until unequal closing

movement is less than 2 in. (50 mm).

4 Before picking up a load, cycle the clamp function

through several full cycles. Check for operation in

accordance with ITA (ISO) standards.

WARNING: Make sure all personnel are

clear of the clamp during testing.

CL0459.eps

CL0491.eps

1

3

Check for properly

installed locking

caps and cotter pins

Restrictor Cartridge

Plunger

Jam Nut

NSTALLATION

I

11

669224-R5

ERIODIC MAINTENANCE

P

3.1 100-Hour Maintenance

Every time the lift truck is serviced or every 100 hours

of truck operation, whichever comes ﬁrst, complete the

following maintenance procedure:

• Inspect the cylinder anchor joint for lubrication and

correct hold.

NOTE: Anchor joint operates with a loose clearance.

Lubricate with wheel bearing grease.

• Arm bearing life can be extended by a light application

of chassis grease, if permitted by your application.

• Tighten arm capscrews to the following torque value:

25D – 190–220 ft.-lbs. (257–298 Nm)

35D, 40D, 50D – 280–320 ft.-lbs. (280–434 Nm)

70D, 80D, 100D – 680–720 ft.-lbs. (922–976 Nm)

3.2 500-Hour Maintenance

After each 500 hours of truck operation, in addition to the

100-hour maintenance, perform the following procedures:

• Check the lower mounting hook engagement clearance

with the truck carriage bar:

Quick-Change Hooks – 3/32 in. (2.5 mm) minimum

3/16 in. (5.0 mm) maximum

Bolt-On Hooks – Tight against lower carriage bar

If adjustment is necessary, refer to Installation Step 6.

Tighten the lower hook capscrews as follows:

Class II/III Mounting – 110 ft.-lbs. (150 Nm)

Class IV Mounting – 190 ft.-lbs. (260 Nm)

• 70D, 80D, 100D Clamps – Tighten the upper hook

capscrews to 210 ft.-lbs. (285 Nm).

• Check clamp force. Cascade Clamp Force Indicators

35G-DFI-8RF and 35G-CFI-8RF are available for this test.

3.3 1000-Hour Maintenance

After each 1000 hours of truck operation, in addition to

the 100 and 500-hour maintenance, perform the following

procedures:

• Inspect the arm bearings for wear. If any bearing is

worn to less than .040 in. (1 mm) thickness, replace all

bearings. Refer to Service Section 5.2-5.

3.4 2000-Hour Maintenance

After each 2000 hours of truck operation, in addition to

the 100, 500 and 1000-hour maintenance, perform the

following procedures:

• Inspect the arm bearings for wear. If any bearing is

worn to less than .040 in. (1 mm) thickness, replace all

bearings. Refer to Service Section 5.2-5.

• Tighten the frame mounting plate capscrews to the

following torque value:

25D, 35D – 60 ft.-lbs. (85 Nm)

40D, 50D – 110 ft.-lbs. (150 Nm)

70D, 80D, 100D – 190 ft.-lbs. (260 Nm)

CL1398.ai

Arm Bearings

Frame Mounting

Plate Capscrews

Cylinder Anchor Joint

70D, 80D Upper

Hook Capscrews

Arm Capscrews Lower Hook Capscrews

Front View

Back (Driver's) View

WARNING: After completing any service

procedure, always test the clamp through

ﬁve complete cycles. First test the clamp

empty, then test with a load to make sure

the attachment operates correctly before

returning to the job.

ROUBLESHOOTING

669224-R5

T

12

4.1 General Procedures

4.1-1 Truck System Requirements

• Truckhydraulicpressureshouldbewithintherange

showninSpecications,Section6.1.PRESSURE TO

THE ATTACHMENT MUST NOT EXCEED 2300 psi

(160 bar).

• Hydraulicowshouldbewithintherangeshownin

Specications,Section6.1

• Hydraulicuidsuppliedtotheattachmentmustmeet

therequirementsshowninSpecications,Section6.1.

4.1-2 Tools Required

Inadditiontoanormalselectionofmechanic'shandtools,

thefollowingarerequired:

• In-LineFlowMeterKit:

10GPM(37L/min)–CascadePartNo.671476

OR

20GPM(75L/min)–CascadePartNo.671477

• PressureGaugeKit:

5000psi(345bar)–CascadePartNo.671212

• Assortedttings,hosesandquick-disconnectcouplers,

asrequired.

4.1-3 Troubleshooting Chart

WARNING: Beforeservicingany

hydrauliccomponent,relievepressurein

thesystem.Turnthetruckoffandmove

thetruckauxiliarycontrolvalvesseveral

timesinbothdirections.

Aftercompletinganyserviceprocedure,testthe

attachmentthroughseveralcycles.Firsttestthe

attachmentemptytobleedanyairtrappedinthe

systemtothetrucktank.Thentesttheattachment

withaloadtobesureitoperatescorrectlybefore

returningtothejob.

Stayclearoftheloadwhiletesting.Donotraisethe

loadmorethan4in.(10cm)offtheoorwhiletesting.

GA0013.eps

GA0014.eps

AC0127.eps

Flow Meter Kits: 671476 & 671477

Pressure Gauge Kit: 671212

Quick-Disconnect Couplers

(2)No.8-12JIC/O-Ring

FlowMeter

(2)No.6-8JIC

Reducer

Pressure

Gauge*

No.6-6Hose*

No.6and

No.8JIC

SwivelTee

No.4-6Pip/JIC*

No.6-8JIC

Reducer

No.4,No.6*

andNo.8

JIC/O-Ring

*NOTE: DiagnosticsKit397382

includesitemsmarked.

MaleStraightThread

O-RingCoupler:

No.4(PartNo.212282)*

No.5(PartNo.210378)

No.6(PartNo.678592)

FemaleJICThread

Coupler:

No.4(PartNo.210385)*

No.6(PartNo.678591)

Determine All The Facts –Itisimportantthatall

thefactsregardingtheproblemaregatheredbefore

beginningserviceprocedures.Therststepisto

talktotheequipmentoperator.Askforacomplete

descriptionofthemalfunction.Thefollowing

guidelinescanthenbeusedasastartingpointto

begintroubleshootingprocedures:

Clamp Circuit

• Attachmentdropsloadafterithasbeenpickedup.

• Attachmentwillnotcarryloadtoitsratedcapacity.

• Attachmentarmshaveuneventravel.

• Attachmentarmstravelslowly.

• Attachmentarmswillnotmove.

Tocorrectoneoftheseproblems,seeSection4.4-1

and4.4-2.

Sideshift Circuit

• Attachmentdropsloadwhilesideshifting.

• Attachmentdropsloadatendofsideshiftstroke.

• Attachmentsideshiftsleftandrightatdifferent

speeds.

• Attachmentwillnotsideshift.

• Attachmentarmswillnotmove.

Tocorrectoneoftheseproblems,seeSection4.4-2,

4.4-3and4.4-4.

669224-R5

ROUBLESHOOTING

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13

4.2 Plumbing – Top Mount Valve

4.2-1 Hosing Diagram, Non-Sideshifting

CL2200.eps

1

3

4

2

CL2201.eps

1

3

4

2

CL2202.eps

Cylinder

Check

Valve

OP

CL

Hose

Terminal

Hose

Terminal

HoseReel

Clamp

Auxiliary

Valve

ARMS OPENING

PRESSURE

REGENERATING

ARMS CLOSING

PRESSURE

RETURN

Cylinder

Check

Valve

OP

CL

HoseReel

Clamp

Auxiliary

Valve

4.2-2 Circuit Schematic, Non-Sideshifting

Truck

Relief

Valve

TruckHydraulicPump

Cylinders

Check

Valve

CL

G

1 2 3 4

Hose

Terminal

Hose

Reel

Clamp

Auxiliary

Valve

OP

ROUBLESHOOTING

669224-R5

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14

4.2-3 Hosing Diagram, Sideshifting (including Turnafork)

CL2203.eps

1

3

4

2

CL2204.eps

1

3

4

2

CL2205.eps

1

3

4

2

CL2206.eps

1

3

4

2

ToCylinders

OP

CL

SSL

SSR

Check

Valve

Check

Valve

SolenoidValve

Hose

Terminal

Hose

Terminal

HoseReel

Auxiliary

Valve

Auxiliary

Valve

Attachments with

Solenoid Adaption

Attachments with

Solenoid Adaption

ARMS OPENING

PRESSURE

REGENERATING

Hose

Terminal

Hose

Terminal

Cylinder

Check

Valve

Check

Valve

OP

CL

HoseReel

Clamp

Auxiliary

Valve

Clamp

Auxiliary

Valve

Sideshift

Auxiliary

Valve

Sideshift

Auxiliary

Valve

Junction

Block/Hose

Terminal

Junction

Block/Hose

Terminal

ARMS CLOSING

PRESSURE

RETURN

669224-R5

ROUBLESHOOTING

T

15

4.2-3 Hosing Diagram, Sideshifting (Continued)

4.2-4 Circuit Schematic, Sideshifting

(including Turnafork)

CL2207.eps

1

3

4

2

CL2208.eps

1

3

4

2

CL2209.eps

CL2210.eps

SIDESHIFTING

(Sideshift Left Shown)

PRESSURE

RETURN

REGENERATING

ToCylinders

SSL

SSR

OP

CL

Solenoid

Valve

Solenoid

Valve

Check

Valve

Hose

Terminal

Hose

Terminal

Hose

Terminal

Hose

Terminal

Hose

Reel

Auxiliary

Valve

Auxiliary

Valve

Sideshift

Auxiliary

Valve

Clamp

Auxiliary

Valve

Attachments with

Solenoid Adaption

Attachments with

Solenoid Adaption

SSL

SSR

Hose

Terminal

Cylinder

Check

Valve

Check

Valve

OP

CL

HoseReel

Clamp

Auxiliary

Valve

Sideshift

Auxiliary

Valve

Hose

Terminal

Truck

Relief

Valve

Truck

Relief

Valve

TruckHydraulicPump

Cylinders

A

B

1

2

3

4

CL

OP

G

ROUBLESHOOTING

669224-R5

T

16

CL2211.eps CL2212.eps

CL2213.eps

4.3 Plumbing – Center Mount Valve

4.3-1 Hosing Diagram, Non-Sideshifting

Cylinder

Check

Valve

OP

CL

Hose

Terminal

HoseReel

Clamp

Auxiliary

Valve

ARMS OPENING

PRESSURE

RETURN

ARMS CLOSING

PRESSURE

RETURN

Cylinder

Check

Valve

OP

CL

Hose

Terminal

HoseReel

Clamp

Auxiliary

Valve

4.3-2 Circuit Schematic, Non-Sideshifting

Hose

Terminal

Clamp

Auxiliary

Valve

Check

Valve

HoseReel

Truck

Relief

Valve

TruckHydraulicPump

Cylinders

CL

OP

G

669224-R5

ROUBLESHOOTING

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17

4.3-3 Hosing Diagram, Sideshifting

CL2214.eps

B

R

CL2215.eps

B

R

CL2216.eps

B

R

CL2217.eps

B

R

Check

Valve

Hose

Terminal

Hose

Terminal

HoseReel

Auxiliary

Valve

Auxiliary

Valve

Cylinder

OP

CL

Hose

Terminal

Hose

Terminal

HoseReel

Clamp

Auxiliary

Valve

SSL

SSR

Sideshift

Auxiliary

Valve

Solenoid

Valve

Solenoid

Valve

Attachments with

Solenoid Adaption

ARMS OPENING

PRESSURE

RETURN

ARMS CLOSING

PRESSURE

RETURN

ToCylinders

Cylinder

OP

CL

Hose

Terminal

Hose

Terminal

HoseReel

Clamp

Auxiliary

Valve

SSL

SSR

Sideshift

Auxiliary

Valve

ROUBLESHOOTING

669224-R5

T

18

4.3-3 Hosing Diagram, Sideshifting (Continued)

CL2218.eps

B

R

CL2219.eps

B

R

Hose

Terminal

HoseReel

Auxiliary

Valve

OP

CL

SSL

SSR

Solenoid

Valve

SIDESHIFTING

(Sideshift Left Shown)

PRESSURE

RETURN

ToCylinders

Cylinder

OP

CL

Hose

Terminal

Hose

Terminal

HoseReel

Clamp

Auxiliary

Valve

SSL

SSR

Sideshift

Auxiliary

Valve

4.3-4 Circuit Schematic, Sideshifting

CL2209.eps

Solenoid

Valve

Hose

Terminal

Auxiliary

Valve

Attachments with

Solenoid Adaption

HoseReel

Truck

Relief

Valve

TruckHydraulicPump

CL2224.eps

Hose

Terminal

Hose

Terminal

Sideshift

Auxiliary

Valve

Clamp

Auxiliary

Valve

SSL

SSR

Check

Valve

HoseReel

Truck

Relief

Valve

TruckHydraulicPump

Cylinders

A

B

1

2

4

CL

OP

G

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