TM 55-1905-219-14-8
4-28.
AIR CONDITIONING SYSTEM - MAINTENANCE INSTRUCTIONS (Continued).
u. Wear Limits.
Factory
Factory
Maximum Wear
Maximum
Minimum
Before Repair
Part Name
in.
Cm
in
cm
in
cm
Seal End
Main Bearing Diam.
1.6266
4.1232
1.6233
1.6233
.002
.005
Main Bearing Journal Diam.
.003
.008
Pump End
Main Bearing Dia.
1.6266
4.1232
1.6233
1.6233
.002
.005
Main Bearing Journal Diam.
.003
.008
Connecting Rod
Bearing Diam.
1.6255
4.1288
.002
.005
(after assembly)
Bearing Thickness
.06225
.15812
.001
.003
Crankpin Diam.
1.6233
4.1231
.003
.008
Crankshaft
Throw
1.005
2.553
.9985
2.5362
Thrust Washers (Thickness)
Seal End
.129
.328
Seal End (Steel)
.155
.394
Pump End
.129
.328
Replace Thrust Washers
When End Clearance
Exceeds
.035
.079
Cylinders
Bore
2.501
6.353
.003
.008
Piston (Diam.)
2.4980
6.3449
.003
.008
Wrist Pin (Diam.)
.7498
1.9045
.001
.003
Wrist Pin Bushing
.7507
1.9068
.001
.003
Piston Ring End Gap
.017
.043
.007
.018
.030
.076
(Comp. and Oil)
Piston Ring Side
Clearance (Comp. And
.0025
.0064
.001
.003
.003
.008
Oil)
4-875