TM-9-2815-220-24
AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TM-9-2815-220-24 - Page 1218 of 1563
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
New Piston Pin Bushing
inches (mm)
Limits with
Used Piston Pin Bushing
inches (mm)
A
Parallelism of
connecting rod
0.0005 per inch (0.0127 per mm)
of bearing width
0.0010 per inch (0.0254 per mm)
of bearing width
B
Twist of connecting
rod
0.0005 per inch (0.0127 per mm)
of bearing width
0.0010 per inch (0.0254 per mm)
of bearing width
9
10
9
10
6
6
B
A
WP 0143 00-8
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