The following Procedure describes JCB 3CX, 4CX, 214e, 214, 215,217 & VARIANTS Backhoe Loader removal and replacement of a double section pump, follow the same procedure for single section pumps.
Related Contents:
2026 JCB ServiceMaster 4
2017 JCB Parts Plus+ and Repair Service Manual
Removal
! WARNING
Make the machine safe before getting beneath it. Ensure that any fitments on the machine are secure; engage the parking brake, remove the starter key, disconnect the battery.
1 Remove the propshaft, refer to Section F Propshafts -Removal and Replacement.
2 Drain the hydraulic fluid from the hydraulic tank.
3 Remove flange bolts B (4 off) and disconnect the pump inlet hose flange from the pump body. Blank off all exposed connections to prevent ingress of dirt.
4 Disconnect the pump outlet hoses C and D from the elbow fittings. Blank off all exposed connections to prevent ingress of dirt.
! CAUTION
The hydraulic pump is heavy. Do not attempt to remove the pump unless its weight is held by a sling. Make sure that the sling is attached to a suitable lifting appliance.
5 Secure the pump using a sling around the pump body,remove the pump mounting bolts E and carefully withdraw the pump clear of the gearbox.
Replacement
Replacement is the reverse of the removal procedure.
1 Clean off all traces of gasket compound from the pump and gearbox mounting faces. Apply a thin bead of JCB Multigasket to the gearbox mounting face.
2 Locate the splined shaft of the pump into the gearbox.
Apply JCB Threadlocker and Sealer to bolts E and secure the pump flange to the gearbox mounting face.
3 Reconnect the pump outlet hoses C and D to the elbow fittings.
Note: All hydraulic adapters that are installed together with a bonded sealing washer must also have sealant JCB Threadseal applied to the threads of the adapter.
4 Reconnect the pump inlet hose flange to the pump body with bolts B (4 off).
5 Fit the propshaft, refer to Section F Propshafts -Removal and Replacement.
6 Fill the system to the correct level with recommended hydraulic fluid, refer to Section 3 Fluids, Lubricants, Capacities and Specifications.
Note: Replace the suction strainer and return line filter after fitting a new or serviced pump.
7 After fitting a new or serviced pump and before starting the engine screw the main relief valve out. Run the engine and check for leaks, also check the main relief valve (M.R.V.) operating pressure. Refer to Section E Service Procedures, Pressure Testing – MRV.
