Quantcast INSPECTION - TM-9-2815-220-241203

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TM 9-2815-220-24
PISTONS, RINGS, AND ASSOCIATED PARTS REPLACE/REPAIR
0142 00
INSPECTION
CAUTION
It is important that all pistons be the same size and weight. Failure to
comply may result in premature failure.
1. Inspect the top of the piston for oversize and weight code identification stamps.
NOTE
Early pistons supplied as individual spare parts were not stamped to indicate
weight. To insure that all pistons used for replacement are properly matched
by weight, all pistons that are not coded must be weighed and code stamped
before being installed in an engine. If the weight code is missing or not
legible, weigh the piston and metal-stamp the weight identification code at
the location shown, using 0.25-inch (6.35-mm) high characters in accordance
with the following table.
Stamp
Piston Weight
Stamp
Piston Weight
Stamp
Piston Weight
Code
Pounds
Code
Pounds
Code
Pounds
H
8.11
B
7.93
5
7.75
8.12
7.94
7.76
8.13
7.95
7.77
J
8.14
C
7.96
4
7.78
8.15
7.97
7.79
8.16
7.98
780
K
8.17
D
7.99
3
7.81
8.18
8.00
7.82
8.19
8.01
7.83
L
8.20
E
8.02
2
7.84
8.21
8.03
7.85
8.22
8.04
7.86
M
8.23
F
8.05
1
7.87
8.24
8.06
7.88
8.25
8.07
7.89
G
8.08
A
7.90
8.09
7.91
8.10
7.92
WP 0142 00-5

 


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