TM 9-4110-255-14
5-40. COMPRESSOR B1 TESTING. SERVICE. REPAIR. AND REPLACEMENT .-Continued
e. Installation.
(1) Prepare New Compressor.
(a) Remove schrader valve (56).
(b) Remove plug (57) with o-ring (58) and discard.
(c) Wrap anti-seize tape around threaded end of schrader valve (56) and install where plug (57) was
removed.
(d) Install compressor pulley (para 5-6).
(2) If removed, install two service v alves (45) onto tubing (46) with mounting surfaces at right angles to each
other then purge (para 5-11) and braze connections (para 5-12). Install insulation (53) and secure using
insulation tape as necessary.
(3) If removed, wrap anti-seize tape around threaded end of two elbows (50) and install.
(4) If removed, install foot (54) and two screws (55).
WARNING
Compressor weight exceeds 84 lb. (38 kg). Use appropriate lifting device to avoid personal
injury.
(5) Install compressor (15) and align mounting holes.
(6) Install four flat washers (52), and new self locking nuts (51).
(7) Install suction screen (48). Carefully align two service valves (45) being careful not to bend or kink tubing
(46). Install two new service valve gaskets (47), flat washers (44), and four bolts (43). Torque bolts to
between 15 and 25 ft-lb (20 and 34 Nm).
(8) Wrap anti-seize tape around threaded end of elbow (24), adapter (25), two tees (41), and adapter (42).
Install adapters, elbow, and tees.
(9) Align tube (23) and four tubes (39) using tags as reference. Be careful not to bend or kink tubes. Tighten
flare nut (22) and four flare nuts (40). Remove tags.
(10) Install and adjust compressor V-belts (para 4-38).
(11) Replace dehydrator (para 5-17). Leak check (para 5-13), evacuate (para 5-14), and charge (para 5-15) the
refrigeration system.
NOTE
FOLLOW-ON MAINTENANCE
Close right side door.
Close front door.
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