Disassembly - (cont.) - TM-5-4930-233-140329

TM 5-4930-233-14

TM 4930-14/1

AIR COMPRESSOR ASSEMBLY

5-14. AIR COMPRESSOR - REPAIR - (Cont.)

Disassembly - (cont.)

(18) Drive two roll pins (42) into two wrist pins (43) and remove two wrist pins (43) and two pistons (10).

(19) Remove two roll pins (42) from wrist pins (43).

NOTE

Remove rings only if replacement is required.

(20) Remove top compression ring (44), bottom compression ring (45) and oil control ring (46) from high pressure

piston. Repeat for low pressure piston.

NOTE

When removing connection rods, be sure that rods and caps are kept in matched sets.

(21) Mark connecting rods so that they can be installed in the same position originally occupied. Remove two

screws (47), two lockwashers (48), rod cap (49), rod (50) and two bearing inserts (51). Repeat for other rod

assembly.

(22) Remove two pin bearings (52) only if replacement is required.

(23) Remove two bearings (24 and 38) from crankshaft (53).

5-70