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 TM 55-1905-222-14
6-6 REPAIR RAMP HOIST HYDRAULIC PUMP (Continued).
d
Remove 'O' rings (4 and 5) and
backup rings (6 and 7) from hub and
outside diameter of pressure plate
(8).
e
Remove two screws (9) from face of
wear plate (10) Lift wear plate
from locating pins (11), and remove
pins
f
Remove ring (12) from around the
rotor (13)
g. Remove vanes and inserts (14) from
rotor, and remove rotor from the
pressure plate
h
Lift out shaft key (15) from its seat
in shaft (16). Remove shaft snap
ring (17) and bearing retaining ring
(18), and fully remove drive shaft
and bearing (19) from body by
gently tapping the keyed end of
shaft with a soft hammer. Check
bearing for wear before removing it
from shaft. Rotate bearing applying
a little pressure to outer race, to
determine if balls or races are
pitted, galled, or cracked. Check
for looseness If in doubt, remove
bearing from shaft at point of
contact with bushing and sealing lip
of shaft oil seal. If excessive
scoring or wear is noted, replace
shaft.
i.
Remove washer (20) from bore in
body. Using a suitable hooked tool
or a drift, remove shaft oil seal
(21), and felt seal (22) from body
(23)
*U. S. GOVERKENT PRINTING OFFICE 1995-655-121/20022
PIN: 066281-005
6-20
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