TM 5-4310-384-13
Table G-2. Compressor Repair and Replacement Standards (Continued)
Mfr's. Dimensions and
Tolerances in
Inches (cm)
Desired Clearance
Inches (cm)
Maximum Allowable
Wear and Clearance
Components
Minimum
Maximum
Minimum
Maximum
in Inches (cm)
Piston Ring Gap:
Low pressure
Compression
0.005
0.013
0.005
0.013
0.018
(0.013)
(0.033)
(0.033)
(0.033)
(0.046)
Oil
0.015
0.055
0.015
0.055
0.062
(0.038)
(0.140)
(0.038)
(0.140)
(0.157)
High pressure
Compression
0.005
0.013
0.005
0.013
0.018
(0.013)
(0.033)
(0.013)
(0.033)
(0.046)
Oil
0.015
0.055
0.015
0.055
0.062
(0.038)
(0.140)
(0.038)
(0.140)
(0.157)
Piston Pin in Rod:
Low pressure
0.5624
0.5628
0.0005
0.0015
0.5622
(1.4284)
(1.4295)
(0.0013)
(0.0038)
(1.4280)
High pressure
0.5624
0.5630
0.0005
0.0015
0.5622
(1.4284)
(1.4400)
(0.0013)
(0.0038)
(1.4280)
Piston Pin Boss:
Low pressure
0.5622
0.5625
0.0000
0.0000
0.5627
(1.4280)
(1.4288)
(1.4292)
High pressure
0.5622
0.5625
0.0000
0.0000
0.5627
(1.4280)
(1.4288)
(1.4292)
Connecting Rod
Bore:
Piston pin end
0.5628
0.5635
0.0005
0.0015
0.5638
(1.4295)
(1.4313)
(0.0013)
(0.0038)
(1.4,320)
Crankcase end
0.9998
1.0010
0.0011
0.0019
1.0015
(2.5395)
(2.5425)
(0.0028)
(0.0048)
(2.5438)
G-2
