CGH23/25 SPM-708
Contents
1. 1 39 clockwise until the truck starts to lower Tighten lock nut 1 40 Copyrighted Material Intended for CLARK dealers only Do not sell or distribute including copper bush valve 1 1 Fit Spring Pin 1 38 i Gl FRK Material Handling aa a Company 1 5 Replace the Valve Assembly Turn truck onto its side Fig 1 5 1 Tap out roll pin 1 14 and remove the lowering lever 1 38 Fig 1 5 2 Push the lift cylinder to its full raised position Fig 1 5 3 Remove the copper bushing 1 42 from the valve assembly Fig 1 5 4 Remove the valve core 1 42 Fig 1 5 5 Install new Valve Core 1 42 including new copper bushing Install roll pin 1 38 Return to Step 1 4 for final ad Copyrighted Material Intended for CLARK dealers only Do not sell or distribute CLARK ts 2 Excessive Lift Drift 2 1 Replace Seals 1 33 Remove snap ring B2 22 Fig 2 1 1 Remove 3 retaining screws 1 27 Fig 2 1 2 Lift fork frame from top of pump unit Fig 2 1 3 Pull the lift piston from the pump assembly 1 31 Fig 2 1 4 Remove cap from top of cylinder Fig 2 1 5 Drain oil from cylinder Fig 2 1 6 Remove and replace the piston seal 1 33 Fig 2 1 7 Reassemble and fill with hydraulic oil and then test Fig 2 1 3 Fig 2 1 6 Copyrighted Material Intended for CLARK dealers only Do not sell or distribute CLARK tas 3 Will Not Lower 3 1 Check the chain 1 8 Check for broken chain replace Chec2. 2 Entry Roller 14 4155456 2 Copper Bush 34 1 1806828 2 Entry Roller serial 88614 93065 only 14 1 4575295 2 Copper Bush 35 4155473 2 Shaft 14 2 4575296 2 Copper Bush 35 1 1806827 2 Bolt serial 88614 93065 only 14 3 4575297 4 Copper Bush 36 4575246 1 Cap of Bearing 14 4 4575298 2 Copper Bush 37 4575288 4 Opt Tandem Load Wheel White Nylon 15 4155361 2 Spring Pin 37 1 4575229 4 Opt Tandem Load Wheel Black Nylon 16 1806289 2 Push Rod 37 2 4575227 4 Opt Tandem Load Wheel Poly 17 4155458 4 Spring Pin 38 1806541 2 CLARK Decal black on fork body 18 4155459 4 Exit Roller 39 1806542 1 CLARK Decal white on handle 19 4155460 2 Spring Pin 40 1806698 2 Hub Cap Copyrighted Material Intended for CLARK dealers only Do not sell or distribute PUMP SEAL KIT PALLET JACK Item PartNo Qty Description Item Part No Qty Description 1 0 1806297 1 Seal Kits 1 23 4155441 2 Washer 1 1 4155432 1 Stop Rubber 1 24 4155442 2 Screw Plug 1 2 4155433 1 Spring Pin 1 25 4155380 1 O Ring 1 3 4155434 1 Handle 1 26 4155381 1 Seal UN32 1 4 4155367 1 Spring Pin 1 27 4155443 1 Screw 1 5 4155368 1 Spring Pin 1 28 4155444 1 Pump Cap 1 6 4155369 1 Lowering Lever Finger Tip 1 29 4155382 1 O Ring P62 1 7 4155370 1 Linkage 1 30 4155383 1 Ball 3 4 1 7A 1806833 1 Linkage serial 88614 93065 only B2 21 4575300 1 Washer 1 8 4155371 1 Chain B2 22 4575301 1 Circlip 1 8A 1806832 1 Chain serial 88614 93065 only 1 31 4155445 1 Cylinder 1 9 4155372 1 Chain R
3. CLARK ts CGH23 25 Pallet Truck Operator Parts amp Service Manual OPM 708 Copyrighted Material Intended for CLARK dealers only Do not sell or distribute CLARK Material Handling Company INSTRUCTIONS RAISE POSITION Depress the lever and pump handle until pallet has reached the desired height A Clearance of 1 between the floor and pallet is usually sufficient to move the load Do not lift the load with one fork or extremity of the forks NEUTRAL POSITION The neutral position is found between the raise and lower position This neutral drive position disengages the lifting mechanism making the handle free from hydraulic resistance and becomes almost weightless yet the forks retain their raised position Always use the neutral position when moving a load LOWER POSITION Pull the lever up to lower the forks The lever is spring loaded for lowering only therefore when you release the lever it will automatically return to the neutral position WARNING For safe operation of Hand Pallet Trucks please read the following instructions 1 Do not operate a Hand Pallet Truck unless you are familiar with it and have been trained and authorized to do so Read all warnings and instructions here and on the truck 2 Do not operate a Hand Pallet Truck until you have checked its condition Give special attention to the wheels handle forks lift and lower control 3 Do not operate a damaged or faulty truck Do not attempt re
4. PO 4575261 1 Pump Assy 22 4155463 2 Spring Pin 2 4155353 2 Spring Pin 25 4155464 2 Shaft 3 4155450 1 Bearing 26 4155465 2 Shaft 4 4155354 2 Spring Pin 27 4155364 4 Washer 5 4155451 1 Pressure Plate 28 1806290 2 Load Wheel Poly Std Single 6 4155355 1 Circlip 28 1 1806291 2 Load Wheel Nylon Std Single 7 4155452 1 Wheel Shaft 28 2 1806292 2 Load Wheel with bearings Poly Std 9 4155357 2 Washer 28 3 1806293 2 Load Wheel with bearings Nylon 10 1806274 2 Wheel rubber i 29 4155466 2 Opt Tandem Load Wheel Assy Poly 10 1 1806275 2 Wheel Poly aluminum rim 29 4155467 2 Opt Tandem Load Wheel Assy White Nylon 10 2 1806276 2 Wheel Poly iron rim 29 4155468 2 Opt Tandem Load Wheel Assy Black Nylon 10 3 1806277 2 Wheel nylon 30 4155366 2 Circlip 10 4 1806278 2 Wheel with bearings rubber 31 1806294 1 Long Shaft fork width 685mm 10 5 1806279 2 Wheel w bearings Poly aluminum rim 31 1 4155469 1 Long Shaft fork width 540mm 10 6 1806280 2 Wheel w bearings Poly iron rim Standard 31 2 1806295 1 Long Shaft fork width 520mm 10 7 1806281 2 Wheel with bearings nylon 32 4155470 1 Fork Body fork width 685mm 11 4155359 2 Circlip 32 1 1806571 1 Fork Body fork width 540mm 12 4155360 2 Arm Pin 32 2 1806572 1 Fork Body fork width 520mm 13 1806287 1 Lift Arm fork width 685mm 33 4155471 2 Circlip 13 1 4155455 1 Lift Arm fork width 540mm 33 1 1806826 2 Nut serial 8861 4 93065 only 13 2 1806288 1 Lift Arm fork width 520mm 34 4155472
5. k to see that the shaft 1 12 is held in place by screw 1 21 If shaft has been free to rotate then the chain will have been damaged by the rotation of the shaft when pumping the handle If the chain checks OK continue below 3 2 Replace valve assembly 1 42 Refer to step 1 5 4 Leaks 4 1 Leak from piston Remove piston spring 1 17 Fig 4 1 1 Replace seal 1 19 amp 1 20 Fig 4 1 2 4 2 Leak from piston carriage Remove piston spring 1 17 Fig 4 1 1 Remove piston assembly 1 18 Fig 4 2 1 Replace seal 1 32 Copyrighted Material Intended for CLARK dealers only Do not sell or distribute CLARK tsa 5 Wheel Problem 5 1 Problem with Steer Wheel Remove the wheel cap Fig 5 1 1 Remove snap ring 11 Fig 5 1 2 Replace steer wheel 5 2 Load Wheel Replacement Tap out the roll pin 22 Fig 5 2 1 Tap shaft out of carrier Fig 5 2 2 Replace load wheel Copyrighted Material Intended for CLARK dealers only Do not sell or distribute CLARK ts 6 Change or Add Oil 6 1 Change oil in reservoir Remove snap ring B2 22 Fig 2 1 1 Remove 3 retaining screws 1 27 Fig 2 1 2 Lift fork frame from top of pump unit Fig 2 1 3 Pull the lift piston from the pump assembly 1 31 Fig 2 1 4 Remove cap from top of cylinder Fig 2 1 5 Drain oil from cylinder Fig 2 1 6 Fig 2 1 6 Copyrighted Material Intended for CLARK dealers only Do not sell or distribute CLARK ts 6 2 Add Oil Remove a
6. ll three of the retaining screws 1 27 Fig 6 2 1 Lift up pump cap 1 28 to add oil as shown Fig 6 2 2 Copyrighted Material Intended for CLARK dealers only Do not sell or distribute
7. od 1 32 4155384 1 O Ring P31 1 9A 1806830 1 Rod serial 88614 93065 only 1 33 4155385 1 Seal UN32 1 98 13DM00004 1 Nut serial 88614 93065 only 1 94 AISS446 A Pini 1 10 414553731 Pressure Roller 1 35 4155386 1 O Ring 1 11 4155374 1 Shaft 1 36 4155387 1 O Ring 1 12 4155495 1 Shaft 137 455388 1 O Ring 1 13 4155375 2 Spring Pin 1 38 4155447 1 Activator 1 13A 1806834 1 Spring Pin serial 88614 93065 only oe Bol 1 40 4155390 1 Nut 1 14 4155376 1 Spring Plate TA RSEN i Spring Pin 1 14A 1806829 1 Spring Plate serial 88614 93065 only 1 42 4155448 4 Valve Assy 1 16 4155436 1 Spring Cap 1 43 4155392 4 O Ring ba fl Spring 1 44 4155393 1 Washer 1 18 4155438 1 Plunger Assy ie oa 4 Bolt 1 19 4155378 1 Seal DH18 ie dees d 3 5 u Washer ee o 1 47 4575244 1 Pu Washer e es es 1 50 4575245 1 Over Load Valve Assy i Sa il Spring Pin 1 51 1806817 1 Cylinder Tool 1 22 4155934 1 Pump Body Copyrighted Material Intended for CLARK dealers only Do not sell or distribute CLARK Material Handling Company TROUBLESHOOTING AND SERVICE The Principal of the Hydraulic Pump Lifting 1 With the lever in the lift position Raise the handle Hydraulic oil flows from the reservoir through Channel A open Ball A and into the pump housing through Channel B 2 Lowering the handle the Ball A closes Ball B opens The piston through Channel B and Channel C forces oil to the Lift Cylinder The cylinder extends lifting the forks Lowering 1 Pull the leve
8. pairs unless you are trained and authorized to do so 4 Operate Hand Pallet Trucks only from the designated operating position Never place any part of your body in the lifting mechanism or under the forks or load Do not carry passengers 5 Do not handle unstable or loosely stacked loads Use special care when handling long high or wide loads to avoid losing the load striking bystanders or tipping the truck 6 Do not overload the truck Check capacity plate for carrying capacity information Overloading may cause truck to perform incorrectly 7 The capacity of the truck assumes an evenly distributed load with the center of the load being at the halfway point of the length of the forks 8 Make sure that the length of the forks matches the length of the pallet Using a pallet truck where the forks are longer than the pallet will damage the truck if the pallet truck is pushed through the pallet and the forks are under a second pallet behind the one being lifted When lowering the load make sure the area where the pallet is to be placed is clear Observe traffic regulations Yield right of way to pedestrians Stop at cross aisles 10 Hand Pallet Trucks are for general operation on level flat hard surfaces FAILURE TO FOLLOW THESE INSTRUCTIONS MAY CAUSE SERIOUS INJURY TO THE OPERATOR OR OTHERS THREE MONTH MAINTENANCE SCHEDULE 1 Check oil level 2 Lubrication joints pins axles pushrods steering wheel bearings with good molybdenum
9. r into the Lower position 2 Part 1 39 moves the D1 inward Ball A and Ball B open and oil is released from the loft cylinder back to the reservoir through Channel C Ball B Ball A and Channel A Transporting 1 Place the lever in the neutral position Part 1 39 depresses partially to open Ball A 2 Raising the handle oil flow from the reservoir to the pump housing through Channel A 3 Lowering the handle oil will flow to the reservoir from the lift pump through Channel B Ball A and Channel A Channel B Channel C PS e ZZZ 7 AS ia T D a J T i YN fs iz T 4 YAN fiat Y eae Epi cS ys RC Cut away Pump Diagram Copyrighted Material Intended for CLARK dealers only Do not sell or distribute CLARK ts Troubleshooting 1 Truck will not lift Check the following 1 1 Bleed the air from the Pump Place the lever in the Lower position and pump the handle 10 times Fig 1 1 1 1 2 Check the chain 1 8 If it is not positioned over the shaft 1 12 reposition it 1 3 Check the Symbols The symbol on the handle and pump must be the same Fig 1 3 1 1 4 Adjust the valve a Release the screw 1 40 Fig 1 4 1 b Adjust the screw 1 39 counter clockwise Fig 1 4 2 Check to see if unit will lift If unit lifts continue with next step If unit does not lift jump to step 1 5 Lift the truck to top position Hold lever as shown in Fig 1 4 3 turn adjuster
10. type grease ORDERING PARTS The CGH23 25 Hand Pallet Trucks are distributed through CLARK dealers that are eager and capable to service your equipment Whenever parts adjustments or repairs are needed please call your local CLARK dealer When doing so please be sure to give them your truck model number and use part numbers and nomenclature as shown in the following pages Adherence to the above procedure will save time and provide speedy assistance when it counts Copyrighted Material Intended for CLARK dealers only Do not sell or distribute CLARK ts Handle Assembly Instructions 1 Make sure the symbols on the handle and 2 Remove the set screw 1 21 and roll pin 1 on the pump are the same 21 Tap out shaft 1 12 3 Place handle onto pump 4 Install roll pin and then 5 Insert chain through shaft body and pull the chain from set screw into the handle Tap shaft into place shaft 1 12 Uk 8 Pump the handle about 6 Connect the chain with 10 times while holding spring clip 1 38 7 Remove the pin from lever in the lower pump position to bleed any air from the system Copyrighted Material Intended for CLARK dealers only Do not sell or distribute Handle Assembly HO PALLET JACK CGH23 25 1 Item PartNo Qty Description Item PartNo Qty Description 1 4155449 1 Handle amp Pump Complete 20 4155461 2 Shaft HO 4575294 1 Handle Assy 21 4155462 2 Load Wheel Frame
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