TM 5-4310-382-13
4-5. COMPRESSOR PISTONS AND CONNECTING RODS.
This task covers:
a. Removal
b. Cleaning
c. Inspection
d. Repair
e. Installation
INITIAL SETUP
Tools Required
Tool Kit, General Mechanic's
Materials Required
Solvent, Dry Cleaning (item 2, Appendix E)
Cloth, Lint Free (item 3, Appendix E)
Brush, Medium Bristle (item 4, Appendix E)
Equipment Condition
Engine shut down and cool.
Compressor cylinder head and valves removed (see para 4-4).
a. Removal.
(1) Remove six screws (2) and twelve washers (3) from cylinder (1).
(2) Carefully remove cylinder (1) and packing (4) from compressor crankcase (31).
(3) Remove two nuts (26), two screws (21), two washers (22), rod cap (23), and lower bearing (17) from first
stage rod assembly (28).
(4) Lift first stage piston (30), first stage rod assembly (28), and upper bearing (25) from crankshaft (24).
(5) Remove two nuts (15), two screws (20), two washers (19), rod cap (18), and lower bearing (17) from second
stage rod assembly (14).
(6) Lift second stage piston (13), second stage rod assembly (14), and upper bearing (16) from crankshaft (24).
(7) Remove two snap rings (8) and pin (7) from first stage piston (30).
(8) Lift first stage piston (30) from first stage rod assembly (28).
(9) Remove two rings (5) and ring (6) from first stage piston (30).
(10) Remove two snap rings (10) and pin (11) from second stage piston (13).
(11) Lift second stage piston (13) from second stage rod assembly (14).
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