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PROCEDURE:   

Hydraulic Compensating Valve Installation 

MODEL:  

CAT TH336, TH337, TH406 and TH407 Telehandlers

 

 
 

 
 

Kits Parts Breakdown: 
 

• 

Telehandler Model TH336 & TH406, Kit # 361-4174 

 

P/N in Kit 

Qty in Kit 

Description 

353-3455 1 

Hydraulic Valve  

298-0462 

Hydraulic Straight Adapter 

303-4754 3 

Hydraulic 90 degree Adapter 

353-3454 1 

Bracket 

297-7091 2 

HexHead Bolt 

8T-4224 4 

Washer  

5C-7261 2 

Nut  

343-7049 2 

Hose Clamp 

353-3448 1 

Hose Assembly 

353-3451 1 

Hose Assembly 

353-3450 1 

Hose Assembly  

353-3449 1 

Hose Assembly  

342-3862 3 

Cable Tie 

 

• 

Telehandler Model, TH337 & TH407, Kit # 361-4175 

 

P/N in Kit 

Qty in Kit 

Description 

353-3455 1 

Hydraulic Valve 

298-0462 1 Hydraulic Straight Adapter 
303-4754 3 

Hydraulic 90 degree Adapter 

353-3454 1 

Bracket 

297-7091 2 

HexHead Bolt  

8T-4224 4 

Washer  

5C-7261 2 

Nut  

343-7049 2 

Hose Clamp  

353-3448 1 

Hose Assembly  

353-3451 1 

Hose Assembly  

353-3452 1 

Hose Assembly  

335-3453 1 

Hose Assembly  

353-3862 1 

Cable Tie  

#C111C3

Summary of Contents for TH336

Page 1: ...elehandlers do not have the correct load values Lifting certain loads specified on those load charts will cause the machine to tip over This bulletin requires the installation of a compensating valve...

Page 2: ...9 592 594 600 602 603 605 606 608 615 617 632 635 637 639 641 644 653 Model Affected Serial Number s GROUP B Compensating Valve Kit Installation Procedure TH336 TDE00101 103 117 137 140 142 148 155 15...

Page 3: ...must be installed on all affected units in accordance with the enclosed Compensating Valve Kit Installation Procedure GROUP B UNITS The Compensating Valve Kit must be installed on all affected units i...

Page 4: ...ob Load Chart installation is a 0 5 hour job Up to 2 hours and 100 km for travel PARTS DISPOSITION Handle the parts in accordance with your Warranty Bulletin on warranty parts handling CONTACTS A copy...

Page 5: ...Washer 5C 7261 2 Nut 343 7049 2 Hose Clamp 353 3448 1 Hose Assembly 353 3451 1 Hose Assembly 353 3450 1 Hose Assembly 353 3449 1 Hose Assembly 342 3862 3 Cable Tie Telehandler Model TH337 TH407 Kit 3...

Page 6: ...machine for servicing by a Park the machine on a firm level surface with the machine level b Retract the boom and elevate the boom to approximately a 33 degree boom angle c Place the travel select lev...

Page 7: ...ts P N 297 7091 A washer P N 8T 4224 must be placed on both the head and nut end of the bolt Secure with nut P N 5C 7261 FIGURE 2 7 Measure 570 mm 22 1 2 inches from the compensation cylinder barrel r...

Page 8: ...size close to the work area Oil discharge will be less than 1 litre 1 4 gallon 12 Carefully loosen the compensation cylinder hoses attached to the hydraulic pipe mounted on the underside of the boom a...

Page 9: ...valve port marked C1 to the inner boom hydraulic pipe and hose P N 353 3452 from the outer boom hydraulic pipe to valve port marked C2 Correctly torque the hose fittings to 55 Nm 41 lb ft 16 Ensure th...

Page 10: ...Page 6 of 7 FIGURE 5 18 Confirm installation is correct as shown in Figure 6 FIGURE 6 C111C3...

Page 11: ...edure a In an area free from obstructions and personnel Position the rod end of the tilt cylinder to the fully extended position b While continuing to operate the tilt function raise the boom approxim...

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