4-28. COMPRESSOR (B1). - Continued.
The compressor and motor assembly are hermetically sealed in a metal canister and are not repairable. The following
items may be replaced without opening the refrigerant system.
is used in operation of this equipment.
DEATH ON CONTACT
may result if personnel fail to observe safety precautions.
Never work on electrical equipment unless there is another person nearby who is
familiar with operation and hazards of equipment and who is competent in
administering first aid. When technician is aided by operators, he must warn them
about dangerous areas.
Whenever possible, input power supply to equipment must be shut off before
beginning work. When working inside, after power has been turned off, always
ground every part before touching it. Be careful not to contact high voltage
connections when installing or operating this equipment.
Whenever nature of operation permits, keep one hand away from equipment to
reduce hazard to current flowing through vital organs of body. Do Not operate
equipment without all guards, louvers, and covers in place and tightly secured.
(1) Allow heater to cool before touching.
(2) Check compressor motor, compressor motor thermal cutout switch, and compressor crankcase heater as
(a) Disconnect P4 connector and harness from J4 connector located on compressor junction box (1).
(b) Remove two screws (2) and two lock washers (3) from compressor junction box and pull junction box
(1) away from compressor.