TM 55-4920-227-15
the plate (32) to the bracket (41) with the
cracks or breaks.
screw'(33).
(5) Inspect all other parts for cracks, breaks,
(3)
Install the coil retainer clip (43), seating the
corrosion, or other damage.
retainer clip in the bracket (44).
d. Reassembly.
(4)
Secure the coil leads (40) to the terminal
(1) Position the two thermal overload relays (7)
block (39) with two screws (38).
on the line-voltage motor starter (49) and
(5)
Install the coil in the line-voltage motor
secure each relay with two screws. Install
starter (49) in the same manner.
(6)
Connect the power inp ut source.
(2) Connect the tagged leads to the thermal
overload relay.
66. Motor Starter
a. Removal.
(4) Install the stationary and movable contacts
(1) Disconnect the power input source.
(2) Tag and disconnect the motor starter
e. Installation.
electrical leads.
(1) Position the low-voltage motor starter (34)
(3) Remove the lock wires from the four screws
on the control panel (6) and secure with four
Remove the screws and
screws (46). Install the screw lock wires.
remove the low-voltage motor starter (34)
(2) Connect the tagged electrical leads to their
from the control panel (6).
respective terminals.
(4) Remove the line-voltage motor starter (49)
(3) Install the line-voltage motor starter (49) in a
in the same manner.
similar manner.
b. Disassembly.
(4) Connect the input power source.
(1) Remove the stationary and movable
67. Starter Interlock
a. Removal.
(3) Tag and disconnec t the leads on the thermal
(1) Remove the lock wires from the four screws
overload relay (7).
(4) Remove two screws from the side of the
interlock (47).
thermal overload relay (7), and remove the
(2) Slide the arms of the interlock (47) from the
relay from the line-voltage motor starter (49).
flange on the plate (31) and remove the
Remove the other relay in a similar manner.
interlock from the control panel (6).
b. Cleaning and Inspection.
c. Cleaning, Inspection and Repair.
(1) Clean all p rts with an approved cleaning
a
(1) Clean all parts with a cloth dampened with
solvent and dry thoroughly.
an approved cleaning solvent and dry
(2) Inspect the interlock for worn, bent, or
thoroughly.
distorted condition, and for free operation of
(2) Inspect the movable and stationary contacts
the interlock arms. Replace if defective.
for burned, pitted, or corroded condition.
c. Installation.
Replace if defective.
(1) Insert the arms of the interlock (47) in the
(3) Inspect coil for burned, brittle, and frayed
flanges of the plates (31). Position the
insulation.
interlock on the control
(4) Inspect the flash shields and are box for
AGO 6729A
49