TM 10-4610-241-24
TO 40W4-13-42
3-61.
MOTOR STARTERS REPAIR- continued.
(2) Motor Starters K2, K3 and K4
WARNING
If motor starters are to be replaced with junction box installed on ROWPU, be sure to
shut down ROWPU and generator to prevent possible injury and/or death from electric
shock.
NOTE
Motor starters can be replaced and repaired with junction box installed on ROWPU
Repairs are limited to replacement of heaters and jumper wires.
This procedure covers removal of motor starter K2 Motor starters K3 and K4 are
removed in similar manner.
(a) Remove six screws (1), lugs (2) and wire lugs (3) from bottom and top of motor starter at T1 thru T3 and
L1 thru L3.
(b) Remove screw (4), square washer (5) and wires (6 and 7) from contact 3 of normally open contacts (top
left set of contacts).
(c) Remove screw (8), square washer (9) and wire (10) from contact, marked NC (bottom left set of
contacts).
(d) Remove screw (11), square washer (12) and wire (13) from contact 2 of normally open contacts (top left
set of contacts).
(e) Remove screw (14), square washer (15) and wire (16) from top contact of normally closed contacts.
(f)
Remove screw (17), square washer (18) and wire (19) from bottom contact of normally closed contacts.
(g) Remove screw (20), square washer (21) and wire (22) from top contact of normally open contacts.
(h) Remove screw (23), square washer (24) and wire (25) from bottom contact of normally open contacts.
(i)
Remove four nuts (26), lockwashers (27), flatwasher (28) and motor starter from junction box.
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