This instruction show you guide on how to remove and replace loader lift ram for JCB 3CX, 4CX, 214e, 214, 215,217 & VARIANTS
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Removal
1 Park the machine on firm level ground. Engage the parking brake and set the transmission to neutral.
2 Raise the loader arms to give access to the lift ram pivot pins C. The loader arms must be supported, use a tool as shown.
! DANGER
Hydraulic Pressure
Hydraulic fluid at system pressure can injure you. Before disconnecting or connecting hydraulic hoses, stop the engine and operate the controls to release pressure trapped in the hoses. Make sure the engine cannot be started while the hoses are open.
3 Switch off the engine and vent residual hydraulic pressure from the loader end by operating the loader controls back and forth several times.
Note:If a hose burst protection valve is fitted on the ram, the system will not vent. Extreme caution must be used when releasing hydraulic connections – release the connections one turn and allow the pressure to dissipate.
4 Label and then remove the lift ram hoses A. Plug and cap all open orifices to prevent loss of fluid and ingress of dirt.
! CAUTION
This component is heavy. Do not attempt to remove it unless its weight is held by a sling. Make sure that the sling is attached to a suitable lifting appliance.
5 Fasten lifting straps to the lift ram, make sure that the weight of the ram is supported by the sling.
6 Remove pivot pin retaining bolt B and then remove the pivot pin C.
7 Remove pivot pin retaining bolt D.
8 Remove klipring E and shim F from both sides of ram, use slide hammer kit (service tool 993/68100) to remove pivot pin G.
9 Remove the lift ram.
Replacement
Replacement is a reversal of the removal sequence.
! WARNING
Fine jets of hydraulic fluid at high pressure can penetrate the skin. Do not use your fingers to check for hydraulic fluid leaks. Do not put your face close to suspected leaks. Hold a piece of cardboard close to suspected leaks and then inspect the cardboard for signs of hydraulic fluid. If hydraulic fluid penetrates your skin, get medical help immediately.
Coat pivot pins with anti-rust lubricant.
Make sure that the head of item D is on the engine side.
Coat mainframe bores with grease.
Assembly sequence for shim F and klipring:
1st shim
2nd ram
3rd shim (as required)
4th klipring
Pivot pins with M24 pin extractor hole
1st spacer
2nd ram
3rd shim (as required)
4th klipring
All klipring installations to have a maximum end float of
2mm (0.080in.)
More topics for JCB machine,please refer to:JCB Machine Trouble Repair.