TM 9-4120-402-14
4-41. HEATER RELAY (K1) AND DIODE (CR2). - continued
d. Replace.
(1) Replace relay (5) if defective.
(2) Replace diode (9) if defective.
(a) Cut heat shrink tubing (10) to approximately three-quarter inch (1.9 cm) long.
(b) Slip heat shrink tubing over leads.
(c) Crimp terminals (11) onto lead ends.
e. Install.
(1) Mount relay (5) to bracket (4) using four sets of screws (6), lock washers (7), and flat washers (8).
(2) Using wiring diagram figure 4-10 and tags, connect leads and diode assembly to relay (5). Band end of
diode connects to terminal X1. Remove tags.
(3) Carefully position relay bracket (4) and relays in control assembly and secure with three sets of screws (1),
lock washers (2), and flat washers (3).
(4) Using wiring diagram figure 4-10 and tags, connect leads to ground E3. Remove tags.
NOTE
FOLLOW-ON MAINTENANCE:
Connect power at power source.
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