TM 9-4120-403-14
Inspection
(1)
Loosen four captive panel fastener screws and remove junction box cover.
(2) Inspect for cracks, corrosion, loose electrical connections, and loose mounting hardware. Repair and tighten
loose electrical connections and tighten loose mounting hardware. Replace fuse block if it is cracked, broken, or badly
corroded.
(3)
If a fuse is suspected to be bad, pull it from the fuse block and look for broken or melted element.
Test
Using a multimeter, check continuity. If there is no continuity, replace fuse.
Removal
(1)
Pull fuses.
(2)
If fuse block is to be replaced, tag and remove wire leads.
(3)
Remove two screws and locknuts.
(4)
Pull fuse block and insulation from junction box.
Installation
(1)
Place fuse block and insulation in junction box, aline holes.
(2)
Secure fuse block and insulation to junction box with two screws and locknuts.
(3)
See tags and wiring diagram (fig. 4-43) and connect leads. Remove tags.
(4)
Place fuse(s) into fuse block clips.
(5)
Install junction box cover and tighten four captive panel fastener screws.
Follow-on procedure:
(1)
Install K2 relay. (See para 4-37.)
(2)
Install rectifier. (See para 4-33.)
(3)
Install junction box. (See para 4-32.)
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