TM 5-4610-223-12
(2)
Position coil magnet assembly in starter.
(3)
Replace spring clip (3) in slot.
(4)
Position wires on terminal screws (1) and insert into operating coil retainer and tighten them.
SECTION XIII.
MAINTENANCE OF ELECTRICAL EQUIPMENT, TRANSMISSION AND DISTRIBUTION
4-50. HEATER AND VAN BODY WIRING CIRCUIT BREAKER.
a.
General. The circuit breaker for the heater and van body electrical systems off-on type switch, located inside the
electrical control cabinet is 15-ampere, 3-pole, 125-vac unit in a sealed case.
b.
Removal.
(1)
Remove two terminal screws (2, fig. 3-13) and remove two wires (5) from circuit breaker (3).
(2)
Remove two machine screws (1) and washers and remove circuit breaker from electrical control cabinet.
(3)
See that wires are identified so they can be replaced on correct terminals.
c.
Service and Replace.
(1)
Service any cracked or frayed wiring. Tighten any loose wires or terminals.
(2)
Replace an unserviceable circuit breaker.
d.
Installation.
(1)
Position circuit breaker (3, fig. 3-13) in electrical control cabinet and secure with two machine screws (1)
and washers.
(2)
Position wires (5) to correct terminals and secure with terminal screws (2).
4-51. BLACKOUT SWITCHES, SINGLE-POLE SPRING-LOADED MICROTYPE.
a.
General. Microtype blackout switches are mounted on van door frames just inside each door and are actuated
by the doors. They are single-pole spring-loaded, plunger-type switches which stay open when the doors are closed.
Opening and closing of the doors causes the microswitch to turn the van lights on or off if the switch in the ceiling is in
the blackout position.
4-90
