TM 5-4310-370-14
TABLE 5-2.
COMPRESSOR PUMP OVERHAUL REPLACEMENT STANDARDS
Manufacturer's
ITEM
Dimensions and Tol-
Desired
Maximum allowable
erances in inches
Clearance
wear and clearance
MIN.
MAX.
MIN.
MAX.
Cylinders
Bore, low-
2.6245
2.6255
. . .
. . .
0.002
pressure
Bore, high-
1.7495
1.7505
. . .
. . .
0.002
pressure
Out-of-round
.000
.001
. . .
. . .
0.0001
Taper
.000
.001
. . .
. . .
0.0001
Crankshaft
Rod size
.9995
1.0005
. . .
. . .
Taper
.000
.001
. . .
. . .
0.001
Out-of-round
.0001
.001
. . .
. . .
0.0001
End Play
.0005
.0030
0.000
0.002
Pistons and Pins
Piston, low-
2.6190
2.6200
0.003
0.005
0.003
pressure
Piston, high-
1.7465
1.7475
0.0015
0.0035
0.003
pressure
Pin, low-
.5628
.5633
0.0001
0.0005
pressure
Pin, high-
.5628
.5633
0.0001
0.0005
pressure
Connecting rod
Bearing, I.D.
1.0013
1.0023
0.001
. . .
Bearing, side
.005
.062
0.010
. . .
clearance
5-8
