33
EATON
Heavy-Duty Series 2 Hydrostatic Pumps Parts and Repair E-PUPI-TS004-E October 2004
49. Using a 1/2 in. end
wrench or socket,
remove the retaining
cap screws from the
servo piston cover.
50. Using a 3/4 in. end
wrench, remove the
servo adjustment
screw lock nut and
special beveled
washer from the
adjustable side servo
piston cover.
51. Using a 1/2 in. end
wrench or socket,
remove the retaining
cap screws and
remove the servo
piston cover from the
pump housing.
52. Unscrew the cover
from the servo piston
adjustment screw.
53. Using an O-ring pick
or similar tool,
remove and the seals
from the underside of
both servo covers.
54. Using an O-ring pick
or similar tool,
remove the two servo
piston seals from the
pump housing.
Note:
Use caution not
to scratch or damage
the servo piston bore.
Servo Piston Removal
Disassembly