P-9-TM-457-35
T . O . 35C2-3-442-2
TM-07464A-35
TM 5-6115-457-34
Legend to figure 8-62:
1.
Nut (2)
6.
Pin
11.
Ring
2.
Bearing cap (6)
12.
Ring
7.
Rod
3.
Bearing (6)
13.
Piston
8.
Bearing
4.
Bolt (2)
14.
Piston assembly (6)
9.
Connecting rod assembly (6)
5.
Retaining ring (2)
10.
Ring
pistons (13). On each ring, the word "UP"
3. Remove caps (2) and bearings
is stamped. Start with ring (12) and
one at a time and measure thickness of
install ring with the word "UP" pointing
plastic strips. The measurement repre-
toward the top of the piston. Stagger ring
sents the bearing clearance. If the maxi-
gaps on piston so they are not in line with
mum clearance exceeds 0.010 inch, re-
each other.
place connecting rod bearings. It would be
advisable to replace all rod bearings (3) at
c . Lubricate bearings (3 and 8), piston
this time.
rings (10, 11, and 12), and the liner walls
with clean engine oil.
NOTE
d. Compress piston rings (10, 11, and
Excessive bearing clearance can
12) with a suitable ring compressor tool
also be an indication of crankshaft
and install piston (13) so that the "V" mark
surface being out-of-round.
on top of the piston lines up to the "V"
mark on top of the block.
g. Install caps (2) and bearings (3) and
torque bolts (4) as follows:
e. When assembling lower bearing cap
(2) to connecting rod (7), make sure that
1. Lubricate threads of bolts with
protruding tab on back of each bearing half
crankcase oil, and tighten from 27 to
(3) lines up with corresponding recess in
33 foot-pounds torque.
connecting rod (7) and bearing cap (2).
2. Mark bolts and caps. Tighten an
additional 85 to 95 degrees from mark.
f. Guide lower end of each connecting
rod (7) over crankshaft journal so as not to
8-219.
INSTALLATION.
damage crankshaft bearing surface.
a. Installation of the connecting rods
g. Check connecting rod bearing clear-
and pistons group is accomplished during
ance as follows:
reassembly (paragraph 8-218),
1. Place an approved piece of
b. Install oil pump group (paragraph
soft plastic measuring strip between
8-179).
crankshaft journal and lower bearing half,
c. Install oil pan group (paragraph
on all six connecting rod assemblies.
8-171).
2. Install lower bearing caps (2,
d. Install cylinder head group (para-
(1) from 27 to 33 foot-pounds torque.
graph 8-195).
8-133
