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 TM 9-2320-285-24-2
3-42.
FIFTH WHEEL HYDRAULIC SYSTEM MAINTENANCE (CONT)
a. Hydraulic Pump (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
DISASSEMBLY (cont)
2
Hydraulic
a.
Key (1)
Remove and
pump
discard
b.
Four socket
Remove
Discard washers (3)
head screws
(2) and
washers (3)
c.
Four socket
Remove
Discard washers (5)
head screws
(4) and
washers (5)
CAUTION
Do not attempt to pry pump sections apart in following step. Prying could scratch mating surfaces and cause a leak.
d.
Pump body (6)
a. Tap
Use soft plastic hammer;
lightly
tap lightly to loosen
b.
Remove
e.
Wear plate (7)
Remove and
and sealing
discard
ring (8)
f.
Load seal (9)
Remove and
and preload
discard
seal (10)
g.
Idler gear (11)
Remove
h.
Drive gear (12)
Remove
NOTE
Remove two dowel pins (13) only if inspection indicates need for replacement.
i.
Two dowel pins
Remove
(13)
NOTE
Remove bearings (15 and 16) only if inspection indicates need for replacement.
3-417
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