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 TM 55-1905-220-14-5
3-96.2. CONNECTING ROD - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY (Cont)
5. Align the upper end of the connecting
rod with the hole in the reaming fix-
ture.
6. Install the rear guide bushing J1686-5
on reamer J1686-20, then slide the
reamer and bushing into the fixture.
7. Turn the reamer in a clockwise direction
only, when reaming or withdrawing the
reamer. For best results, use only
moderate pressure on the reamer.
8. Remove the reamer and the connecting rod
from the fixture, blow out the chips and
measure the inside diameter of the bush-
ings. The inside diameter of the bush-
ings must be 1.5015 to 1.5020 inch
(3.8138 to 3.8151 cm). This will pro-
vide a piston pin-to-bushing clearance
of .0015 to .0024 inch (0.0038 to 0.0061
cm) with a new piston pin. A new piston
pin has a diameter of 1.4996 to 1.5000
inch (3.8090 to 3.8100 cm).
NOTE
Piston bushings are installed in piston (refer to paragraph 3-96.1.).
ASSEMBLY
14.
Connec-
a. Piston
Lubricate.
Use clean en-
ting
pin (10),
gine oil.
rod to
piston
Refer to para-
piston
bushings
graph 3-96.1.
(12),
and con-
necting
rod bush-
ings (9)
3-1658
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