220 Piston Pump Service Manual

Table of Contents

Part Identification .......................................................................................................................................................................................3

Exploded Assembly ....................................................................................................................................................................................4

Optional Assembly......................................................................................................................................................................................5

Typical Cross Section ..................................................................................................................................................................................6

Shaft, Drive and Key ...................................................................................................................................................................................7

End Cover S/A ............................................................................................................................................................................................8

Valve Plate ..................................................................................................................................................................................................9

Housing .................................................................................................................................................................................................... 10

Rotating Group ......................................................................................................................................................................................... 10

Swash Plate .............................................................................................................................................................................................. 10

Shaft Seal.................................................................................................................................................................................................. 10

Compensator ............................................................................................................................................................................................ 11

Plug Subassemblies ................................................................................................................................................................................. 11

Pump Repair .............................................................................................................................................................................................12

Inspection, Repair and Part Replacement .................................................................................................................................................16

Assembly ..................................................................................................................................................................................................19

Assembly Torque Values ...........................................................................................................................................................................22

2 EATON 220 Piston Pump Service Manual E-PUMC-RR001-E2 February 2014