Perkins — How to Remove the Drive Pump
Repair & overhaul
From a Perkins service manual covering: 404F-22, 5046D, 5606A, 804D-33, S8015-12264, S8016H-13642, S80X15-12264, S80X16H-13642, S8515-12264, S8516H-13642. Check it applies to your exact model before use.
Browse Perkins generators & specs →
Before you start
- Component damage hazard. The engine must not be started with the hydraulic tank shut-off valves closed.
- Work area must be clean and free of debris.
- Pumps may become unbalanced and fall if not properly supported.
Procedure
- Disconnect the wiring plug at the electronic displacement controller (EDC) on the drive pump.
- Locate the two hydraulic tank valves and close the valves.
- Tag, disconnect and plug the hydraulic hoses from the drive and function pumps; cap the fittings.
- Support the pumps with a lifting device and remove the two drive pump mounting fasteners.
- Carefully pull the drive pump out until the pump coupler separates from the flex plate.
- Remove the drive pump from the machine.
Tools required
- Suitable lifting device Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Perkins service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.