| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-222-14
6-6 REPAIR RAMP HOIST HYDRAULIC PUMP (Continued).
g
Install 'O' ring (4), and backup ring
(7) in groove on hub diameter of
pressure plate (8) Install a backup
ring (6) and 'O' ring (5) around
large step diameter of pressure
plate Make sure that the smooth
sides of the backup rings face the
sealing rings
NOTE
Backup rings must always be installed away from the pressure chamber.
h
Position sealing ring (3) in recess of
body (23) Use petroleum jelly to
hold '0' ring in position during
reassembly of pump cartridge
I
If wear plate bushing (24) was
removed, press a new bushing into
wear plate bore Install plate (10)
on locating pin against ring Install
two screws (9) and tighten
J
Carefully install pump cartridge on
drive shaft, and seat It firmly in
place In the body
k
Install cover (2) making certain that
the two locating pins fit Into holes
Inside cover Seat cover firmly and
secure it In place with cover bolts
(1). The threads of the bolts should
be oiled lightly, and torqued to 85-
95 ft lbs (115 2 - 1288 Nm)
l.
After the unit has been completely
reassembled, pour a small quantity
of clean hydraulic oil into the cover
inlet port. Rotate the drive shaft
several turns by hand to check for
free rotation and to make sure of
complete lubrication of the cartridge
parts. Cap the pump inlet and
outlet ports to prevent entrance of
foreign materials.
6-24
|
||
|
||
