1900 YRM 1136
Variable Displacement Pump Repair
CLEAN WARNING Cleaning solvents can be flammable and toxic, can cause skin irritation. When using cleaning solvents, always follow the recommendations of the manufacturer.
WARNING Compressed air can move particles so that they cause injury to the user or to other personnel. Make sure that the path of the compressed air is away from all personnel. Wear protective goggles or a face shield to prevent injury to the eyes. Clean all components in solvent. Dry components with compressed air. DO NOT dry components with a cloth. Make sure all surfaces are free of scratches and sharp edges.
INSPECT
1. 2. 3. 4. 5. 6.
SOCKET HEAD SCREW CONTROL VALVE SEAL VARIABLE DISPLACEMENT PUMP DRIVE SHAFT CONTROL VALVE ASSEMBLY
Check the control valve seal, drive shaft seal, and retaining ring for wear or damage and replace if necessary. Check the rest of the variable displacement pump assembly. If any parts other than the control valve seal, drive shaft seal, and retaining ring are worn or damaged, replace with a new variable displacement pump.
Figure 25. Variable Displacement Pump Dissembly, Lift Truck Models GLP/GDP20-35VX (B875)
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