TM 5-4310-377-13
CHAPTER 5
REAR INTERMEDIATE MAINTENANCE INSTRUCTIONS
5-1. GENERAL.
Rear Intermediate Maintenance consists of the overhaul of the air compressor. Use the instructions contained in
Chapters 3 and 4 for the disassembly and assembly of air compressor. Use the table contained in this chapter (Table
5-1) to determine if a part is worn past the maximum limits. If the part is not worn past the maximum limits, dress the part
with emory cloth or a hone as required. If the part is worn past the maximum wear limits, replace the part with new part.
Table 5-1. Maximum Wear Tolerances.
ITEM NOMENCLATURE
NORMAL DIMENSION
MAXIMUM ALLOWABLE WEAR
Piston Pin
16.000 mm (0.6304 in) dia.
15.995 mm (0.6302 in) dia.
Connecting Rod
(Piston Pin
Bushing End)
16.001 mm (0.6305 in) dia.
16.020 mm (0.6312 in) dia.
Connecting Rod
(Crankshaft
Bushing End)
25.502 mm (1.0048 in) dia.
25.507 mm (1.0049 in) dia.
First Stage
Cylinder Bore
65.002 mm (2.5611 in) dia.
65.010 mm (2.5614 in) dia.
Second Stage
Cylinder Bore
51.002 mm (2.0095 in) dia.
51.010 mm (2.0098 in) dia.
Crankshaft
Connecting Rod
Throw
25.479 mm (1.0039 in) dia.
25.469 mm (1.0034 in) dia.
5-1/5-2 Blank
