TM9-4120-401-14
4-40.
COMPRESSOR START RELAY (K2), DIODE (CR3), AND SURGE ARRESTOR (SA1).
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c. Replace.
NOTE
Terminal protective cover must be removed to access wire terminals.
(1) Tag and disconnect wire leads, diode assembly, and surge arrestor assembly from relay (1).
(2) Remove four sets of screws (4), lock washers (5), flat washers (6), and relay (1).
(3) Diode (2).
(a) Cut insulation sleeving (7) to 3/4 inch (1.9 cm) brig.
(b) Slip insulation sleeving (7) over leads.
(c) Crimp lug terminals (8) onto lead ends.
(4) Surge arrestor (3).
(a) Cut insulation sleeving (9) and tubing (10) to approximately 1 inch (2.5 cm) long each.
(b) Slip insulation sleeving (9) over arrestor (3) body and tubing (10) over leads. Heat to shrink sleeving
in place.
(c) Crimp lug terminals (11) onto lead ends.
(5)
Install relay (1) in unit and secure with four sets of screws (4), lock washers (5), and flat washers (6).
(6) Connect wire leads, diode assembly (band end to terminal X1), and surge arrestor assembly to relay (1)
using tags and wiring diagram (figure 4-6). Remove tags.
NOTE
FOLLOW-ON MAINTENANCE:
Install top panel (para 4-11).
Connect power at power source.
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