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TM 9-2320-364-34-4
20-183
c.
Assembly.
(1)
Place piston crown (10), top end down, on
work bench.
(2)
Install piston pin bearing (13) in piston
crown (10).
(3)
Coat seal (12) with lubricating oil.
(4)
Install seal (12) on piston crown (10).
(5)
Position piston skirt (11) on piston
crown (10).
(6)
Coat piston pin (9) with lubricating oil.
(7)
Align hole in piston skirt (11) with hole in
piston crown (10).
(8)
Install piston pin (9) with threaded holes
toward bottom of piston skirt (11).
NOTE
Retainers must be seated fully
and evenly in piston skirt.
(9)
Using piston pin retainer installer, install
piston pin retainers (6) in piston skirt (11)
on each side of piston pin (9) until retainers
bottom out.
NOTE
If loss of pressure of piston pin
retainers is noted, replace piston
pin retainers.
(10)
Using leak detector, apply 10 in. (254 mm)
of vacuum to each piston pin retainer (6).
There should be no loss of pressure.
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