Inspect displacement limiter
P106 131E
Charge Pressure Relief Valve
Charge pressure relief valve is available as a complete unit only. If you suspect valve malfunction, replace
the valve and test pump operation. Replace O-rings before assembly.
Inspect charge pressure relief valve
P106 040E
Servo Piston Assembly
Inspect slider block for wear or damage. Replace if necessary. Inspect springs for warping or cracking.
Replace entire assembly if springs are damaged. Inspect servo piston for wear, cracks, or damage. Replace
entire assembly if servo piston is damaged.
Do not disassemble servo piston assembly. Replacement servo piston assembly is available as a complete
unit only.
Repair Instructions
H1 45/53/60/68 Closed Circuit Axial Piston Pumps
Inspection
520L0957 • Rev CB • September 2014
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