TM 5-4610-218-12
Figure 4-33. Heater and Van Body Circuit Breakers, Removal and Installation.
c. Clean, Inspect and Replace.
4-24. Magnetic Motor Starter Overload Relay
Heater.
(1) Clean the coil with a clean cloth dampened
with dry cleaning solvent P-D-680.
a. General. An overload relay, with a relay heat-
er, is mounted to each side of each magnetic motor
(2) Inspect the coil for cracks and damaged
starter. The overload heaters prevent damage to all
terminals.
the equipment in case of overload in the circuit. All
(3) Replace the coil if it is unserviceable.
overload relay heaters are removed and replaced in
the same manner.
the motor starter-operating coil.
magnetic starter overload relay heater.
4-36. Terminal Panel.
c. Clean, Inspect and Replace.
a. General. The terminal panel is located in the
(1) Clean the heater with a clean cloth.
electrical control cabinet and is fastened to the beck
(2) Inspect the heater for cracks, burned or
of the cabinet. It provides a central point for con-
broken wires or damaged insulation.
necting the wires to distribute the power from its
source to all component of the water purification
(3) Replace an unserviceable overload heater.
unit.
the magnetic motor starter overload relay heater.
terminal panel.
c. Clean, Inspect and Replace.
4-35. Motor Starter-Operating Coil.
(1) Clean the terminal panel with dry clean-
a. General. The magnetic starter operating coils
ing solvent P-D-680.
are located between the overload relays. When the
current flows through the coil it creates a magnetic
(2) Inspect the terminal panel for broken ter-
field and causes the motor starter to engage.
minals, damaged threads on terminal studs and
nuts, corroded bus bars, and defective terminal
screws.
motor starter operating coil.
4-76
