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 TM 9-2815-220-24
CONNECTING ROD ASSEMBLY REPAIR
0143 00
INSPECTION (Continued)
8. Check connecting rod assembly (6) for straightness.
a. Check connecting rod assembly (6) for parallelism and twist by setting in two V-blocks (9)
(item 131, WP 0176) using a new piston pin (10).
b. Measure bearing from side to side with a dial indicator (item65, WP 0176). Replace rod
assemblies that do not meet the following limits.
Location
Limits with
Limits with
New Piston Pin Bushing
Used Piston Pin Bushing
inches (mm)
inches (mm)
A Parallelism of
0.0005 per inch (0.0127 per mm)
0.0010 per inch (0.0254 per mm)
connecting rod
of bearing width
of bearing width
B Twist of connecting 0.0005 per inch (0.0127 per mm)
0.0010 per inch (0.0254 per mm)
rod
of bearing width
of bearing width
A
6
10
6
9
10
B
9
WP 0143 00-8
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