REPAIR (Cont) - TM-55-1905-223-24-170274

TM 55-1905-223-24-17

(11)

Install assembly relief valve (package) (13). Safety relief valve (14) installed with package.

(12)

Connect oil suction tube (12) to oil pump inside crankcase. Connect oil strainer (11) to suction tube

(12).

(13)

Coat gasket (7) with clean compressor oil.

(14)

Align gasket (7) and install compressor plate (8) to compressor (1) with 22 capscrews (10) and washers

(9).

(15)

Torque capscrews alternately from side to side to following values:

(a)

Torque to 10 ft-lb; then,

(b)

Torque to 20 ft-lb, then,

(c)

Torque to 28 ft-lb.

(16)

Replace compressor (REPLACEMENT steps in this procedure).

h. Replace pump and bearing head assembly (1, FIGURE 4-21):

(1)

Remove pump and bearing head assembly as follows: Remove eight capscrews (6) and washers (5)

and remove oil pump bearing head (4) and gasket (3) from compressor (2).

(2)

Install pump and bearing head assembly as follows:

(a)

Make sure all gasket sealing surfaces are clean.

(b)

Coat all parts and gaskets with clean compressor oil.

(c)

Position gasket (3) on compressor (2) and install pump and bearing head (4) with eight

capscrews (6) and washers (5). Torque capscrews alternately to following values:

1 Torque to 10 ft-lb; then,

2 Torque to 20 ft-lb; then,

3 Torque to 28 ft-lb.

Replace crankshaft (8, FIGURE 4-22), rotor drive key (5), connecting rod and cap assembly (10, 9, 16),

and compressor piston (13) and rings (14, 5).

(1)

Remove compressor (See REMOVAL steps, above).

(2)

Remove cylinder head and compressor heads (REPAIR, step d. , above).

(3)

Remove motor end cover, gasket, and suction strainer (REPAIR, step f. above).

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