32 EATON 350 Series Dual Path Mobile Pumps E-PUPI-TS006-E September 2007
Assembly
Rear Pump
Assembly
Step 7
Fit an O-Ring (p/n 16015-34) in
the groove on a servo cap plug
5989898-001.
Step 8
Place the servo cap plug over
the servo piston bolt, and turn
the servo cap plug until tight.
Torque will be adjusted later.
Step 9
Turn the housing so that the
bearing bore faces up.
Step 10
Insert a roll pin 16026-610 into
the guide hole near the bearing
bore; tap it in firmly with a rub-
ber mallet.
Step 11
Insert 52mm tapered roller
bearing 5988197-001 in bearing
bore, with taper narrowing from
top to bottom; bearing cup
should rest on snap ring.
Step 12
Set the valve plate (Refer to
item 18, page 5 and item 31,
page 6 for part numbers)over
the bearing bore, aligning the
notch with the roll pin.
Step 13
For a pump with left-hand
rotation, the front valve plate
should also have left-hand
rotation, and vice versa for
right-hand rotation. The valve
plates are labeled according
to direction.
REFERENCE VALVE PLATE
IDENTIFICATION ABOVE
Step 14
Insert roll pins (p/n 16026-810)
in the two guide holes for the
gasket. Tap them firmly in place
with a rubber mallet.