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 TM 55-1905-222-14
6-6 REPAIR RAMP HOIST HYDRAULIC PUMP (Continued).
b
Position shaft bearing (19) in place
on drive shaft, being careful not to
cock the bearing Using an arbor
press, support Inner race of bearing
and press bearing against shoulder
of shaft (16) Apply tape around
the end of the shaft to protect the
seal Install shaft and bearing Into
body until bearing is fully seated
If necessary, gently tap shaft with a
soft hammer
c
Install shaft snap ring (17), and
bearing retaining ring (18) Make
sure that both parts are firmly
seated in place Remove tape from
end of shaft (16)
d
Install the shaft key (15)
NOTE
Direction of rotation is designated as viewed from the shaft end of pump. R.
H. rotation is clockwise; L. H. rotation is counterclockwise.
e
Place rotor (13) on pressure plate
(8) with arrow point in desired
direction of rotation. Install inserts
in vanes (14), and position both
parts in rotor slots The sharp
edges of the vanes must be toward
the direction of rotation.
f
Install locating pins (11) In pressure
plate (8) Install ring (12) over
locating pins against pressure plate
with arrow pointing in direction of
shaft rotation. Lubricate rotor (13),
and ring with clean hydraulic oil.
6-23
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