Quantcast ASSEMBLY (Cont) - TM-55-1905-220-14-40600

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TM 55-1905-220-14-4
3-40.2. CONNECTOR ROD - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
ASSEMBLY (Cont)
CAUTION
Do not drive the retainer in too far or the piston bushing may be moved inward and
result in reduced piston pin end clearance.
g. Piston
After the piston pin
pin (10)
retainers have been
and con-
installed, check for
necting
piston pin end clear-
rod (3)
ance by cocking the
assem-
connecting rod and
bled
shifting the pin in
its bushings.
h. Piston
One important function of the piston pin
and con-
retainer is to prevent the oil, which
necting
cools the underside of the piston and
rod as-
lubricates the piston pin bushings, from
sembled
reaching the cylinder walls. Check the
retainers for proper sealing as follows:
1. Place the piston and
connecting rod assem-
bly upside down on a
bench.
2. Pour clean fuel oil
in the piston to a
level above the
piston pin bosses.
3. Dry the external
surfaces of the pis-
ton in the area
around the retainers
and allow the fuel
oil to set for about
fifteen minutes.
3-843


 


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