REPAIR (Cont) - TM-55-1905-223-24-170277

TM 55-1905-223-24-17

(4)

Remove compressor plate, gasket, and oil suction strainer and tube (REPAIR, step g. , above).

(5)

Remove the equalizing tube (4) by unscrewing counterclockwise. Remove the key washers (3) and (2).

(6)

Remove crankshaft (8), piston and rings (13, 14, 15), connecting rod assembly (10, 9, 16) and rotor

drive key (5) as follows:

(a)

Remove two capscrews (10) from each connecting rod cap (9) and remove all six rod caps.

(b)

Remove pump and bearing assembly (REPAIR, step h. of this procedure).

(c)

Remove piston and connecting rod assemblies from compressor cylinders (18).

(d)

Remove crankshaft (8) by sliding it out through the pump and bearing head opening (17) on the

compressor (1).

(e)

Remove washer (7), crankshaft pin (6); and rotor drive key (5) from crankshaft (8).

(f)

Remove retaining ring (11) from each end of piston pin (12).

(g)

Remove piston pin (12) to disconnect piston (13) from connecting rod (16).

(h)

Remove rings (15, 14) from piston (13).

(7)

Install rings (14, 15), piston (13), connecting rod assembly (16, 9, 10), crankshaft (8), and rotor drive

key (5) as follows:

(a)

Install ring (14) and (15) on piston (13).

(b)

Connect piston (13) to connecting rod (16) by installing piston pin (12) through piston and

connecting rod. Install a retaining ring (11) to each end of the piston pin (12).

(c)

Place washer (7), rotor drive key (5), and crankshaft pin (6) on crankshaft (8).

(d)

Install crankshaft (8) through pump and bearing head opening (17) on compressor (1). Make

sure the rotor drive key (5) is aligned when installing.

(e)

Install pump and bearing assembly (REPAIR, step h. , above).

(f)

Use the ring compressor from refrigeration tool kit and install piston, and connecting rod

assemblies into cylinders (18).

(g)

Install rod cap (9) to each connecting rod (16) with two capscrews (10). Torque capscrews to 9 ft-

lb.

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