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 TM 55-1905-223-24-17
f.
Replace motor end cover gasket (14):
(1)
Disconnect suction valve (19) from motor end cover (15) (Removal, step b., above).
(2)
Remove 18 capscrews (21) and washers (22) and remove motor end cover (15).
(3)
Remove gasket (14) and discard.
(4)
Remove suction strainer (13) from motor end cover (15) and clean with mineral spirits.
Allow strainer to dry and coat with clean compressor oil. Install strainer back in motor
end cover.
(5)
Make sure gasket sealing surfaces are clean.
(6)
Coat gasket (14) with clean compressor oil.
(7)
Align gasket (14) and install motor end cover (15) with 18 capscrews (21) and washers
(22). Torque capscrews alternately to following values:
(a) Torque all capscrews to 15 ft-lb; then,
(b)
Torque to 35 ft-lb; then,
(c) Torque to 57 ft-lb.
g. Replace compressor plate gasket (7, FIGURE 4-20), assembly relief valve (13) and/or safety relief
valve (14), and check valve piston (4) and spring (5):
(1)
Remove compressor (See removal steps, above).
(2)
Remove 22 capscrews (10) and washer (9).
(3)
Remove plate (8) and gasket (7) from compressor (1).
(4)
Disconnect oil strainer (11) from oil suction tube (12) from inside crankcase.
Disconnect oil suction tube (12) from oil pump.
(5)
Remove assembly relief valve (package) (13), along with safety relief valve (14) from
inside crankcase.
(6)
Remove two screws (6) from mounting package (3) and remove check valve assembly
(2).
(7)
Remove check valve piston (4) and check valve spring (5).
(8)
Prelube all parts with clean compressor oil.
(9)
Install new check valve spring (5) and check valve piston (4) in check valve assembly
(2).
(10) Install mounting package (3) with two screws (6).
4-65
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