TM 10-4610-241-24
TO 40W4-13-42
3-49.
CONTROL BOX ASSEMBLY REPAIR.-continued.
(5)
Electrical relays K10 and K11.
NOTE
Tag all wires, indicating their connection points before removal. If tagged parts are to
be turned in to Supply or discarded, be sure to transfer tags to replacement parts.
(a)
Unsolder 11 wires (38) from relay K11 (43) and 13 wires from relay K10 (44).
(b)
Remove eight nuts (41), lockwashers (42) and relays (43 and 44) from bracket (48).
(c)
Remove two nuts (45), lockwashers (46), screws (47) and bracket (48).
(d)
As required, remove insulation sleeving (39) from wires (38).
(6)
Wiring harnesses.
Repair wiring harnesses in accordance with Paragraphs 3-49 (W1), 3-50 (W2) and 3-41 (W58).
c.
Cleaning.
(1)
Using soap solution, clean control box assembly (5) and control box cover (6). Wipe dry with clean rags.
(2)
Clean attaching hardware with rags.
d.
Inspection.
(1)
Inspect control box assembly (5) and control box cover (6) for dents, cracks, and excessive corrosion.
(2)
Inspect attaching hardware for damage and corrosion.
(3)
Inspect relays (43 and 44) for burned contact points.
(4)
Inspect terminal boards (37) for cracks, burned contacts and stripped threads.
(5)
Inspect switches for broken handles, cracks in body and burned contact points.
e.
Repair.
(1)
Replace lockwashers and gaskets.
(2)
Replace defective components.
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