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 TM 55-1905-221-14-2
5-6.1. RAMP HOIST HYDRAULIC PUMP (Continued).
LOCATION/ITEM
ACTION
REMARKS
REASSEMBLY
NOTE
Lubricate parts before reassembly using clean hydraulic fluid.
7.
Pump
a.
Install a new felt seal (23),
shaft oil seal (22), and washers
(21), in counterbore of body (24).
Soak both seals thoroughly in
hydraulic oil before installing.
Make sure lipped edge of seal is
toward inside of body. Use a
suitable drift that will not
damage the seal during installa-
tion. Lubricate th shaft oil
e
seal journal with petroleum
jelly.
b.
Position shaft bearing (20)
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
(17). 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.
5-73
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