EATON
PVM Piston Pump Service Manual E-PUIO-II001-E4 December 2017
2
Service Parts
Pump Description .......................................................................................................................................................................... 3
Basic pump
Pump Operation
Controls Types
Part Identification ............................................................................................................................................................................ 4
PVM 018/020 .................................................................................................................................................................... 9
PVM 045/050 .................................................................................................................................................................. 14
PVM 057/063 .................................................................................................................................................................. 15
PVM 074/081 .................................................................................................................................................................. 19
PVM 098/106 .................................................................................................................................................................. 24
PVM 131/141 .................................................................................................................................................................. 29
Repair
General Information ...................................................................................................................................................................... 34
Replacement Parts
Required Tools
Special Tools
Disassembly, Inspection and Assembly ....................................................................................................................................... 35
Disassembly.................................................................................................................................................................... 36
Inspection Repair and Replacement ............................................................................................................................... 40
Assembly ........................................................................................................................................................................ 42
Testing ........................................................................................................................................................................................ 46
Troubleshooting ........................................................................................................................................................................... 46
Assembly Torque Values .............................................................................................................................................................. 47
Table of Contents