TM 55-4920-227-15
c.
Reassembly and Installation.
assembly (36), and position the movable
(1) Position the terminal block (25) in the starter
contact assembly on the armature plate
box (5) and secure with two screws and
(37). Aline the contacts, and secure the
nuts.
movable contact assembly (36) to the
(2) Install the assembled control panel (6) in the
armature plate (37) with the screws (35).
starter box and secure with six screws (4).
(3)
Install the flash shield (2) and secure with
Install the screw lock wires.
two screws (1). Install the screw lock wires.
(3) Position the starter box (5) on the starter box
(4)
Connect the tagged electrical leads to their
and blower support and secure with five
respective stationary contacts (3).
screws (19), nuts (20), and lockwashers.
(5)
Install the other movable and stationary
(4) Position the starter box braces (11) on each
contactors in the low-voltage and line-
side of the starter box (5) and secure with a
voltage motor starters (34 and 49) in the
screw, lockwasher, and nut
same manner.
(5) Reconnect all electrical leads to the starter
(6)
Connect the power input source.
box.
(6) Connect the input power source.
65. Motor Starter Coil Replacement
a. Removal.
(1) Disconnect the input power source.
64. Stationary and Movable Contact Replacement
a. Removal.
(2) Remove two screws (38, fig. 22) and
(1) Disconnect the input power source.
remove the coil leads (40) from the terminal
(2) Tag and disconnect the electrical leads from
block (39) on the low-voltage motor starter
the stationary contacts (3, fig. 22) of the low-
(34).
voltage motor starter (34).
(3) Raise up on the coil retainer clip (43) until
(3) Remove the lock wire from the two screws
the ears on the clip are free of the ear on the
(1). Remove the screws and remove the
bracket (44). Pull outward and remove the
flash shield (2) covering the movable and
coil retainer from the bracket.
stationary contacts.
(4) Remove screw (33) that secures the plate
(4) Remove the screw (35) and remove tile
(32) to the bracket (41) and remove the
movable contact assembly (36) from the
plate.
armature plate (37). Remove the contact
(5) Slip the plate (31) from a slot in the rear side
from the movable contact assembly.
of the bracket (41), and remove the plate
(5) Remove the screw that secures each of the
(31), lower armature (45), and coil (42) from
stationary contacts (3) in the arc block and
the motor starter (34).
remove the contacts.
(6) Remove the coil from the line-voltage motor
(6) Remove the other movable and stationary
starter (49) in the same manner.
contacts in the low-voltage and line-voltage
b. Installation.
motor starters (34 and 49) in the same
(1) Install the plate (31), lower armature (45),
manner.
and coil (42) in the low-voltage motor starter
b. Installation.
(34), and position the plate (31) in the slot in
(1) Position two stationary contacts (3) in the
the rear side of the bracket (41).
arc block of the low-voltage motor starter
(2) Place the slot in the plate. (32) over the end
(34) and secure each with a screw.
of the bracket (41) and secure
(2) Install the contact in the movable contact
AGO 6729A
48
