TM 55-2210-223-34
TO 45A2-2-14-22
3-24. POWER CONTACTOR (cont)
ASSEMBLY (cont)
19.
Assemble interlock assembly (26) by the following:
a.
Position support bracket (36) on interlock housing (37).
b.
Install two lockwashers (35) and screws (34).
20.
Assemble contactor assembly (7) by the following:
a.
Install movable contact assembly (32) on magnet assembly (33).
b.
Install plastic safety lock (31) in stationary contact assembly (30). Position over magnet assembly (33) and
movable contact assembly (32).
NOTE
Do not tighten screws (27) until interlock assembly has been installed.
c.
Install two flat washers (29), lockwashers (28), and allen-head screws (27).
d.
Install top end of interlock assembly (26) under front end of stationary contact assembly (30).
e.
Center movable contact assembly (32) in opening of stationary contact assembly (30) and install two
lockwashers (25) and allen-head screws (24).
f.
Install operating lever (23), setscrew (22), and two return springs (21).
20.
Assemble arc chute assembly (6) by the following:
a.
Install blowout coil and arc runner assembly (19), magnetic core (19) and latch spring and arc runner
assembly (18) on arc chute (20).
b.
Install arc chute (17) and secure with three nuts (16), flat washers (15), lockwashers (14), and screws (13).
c.
Apply silicone rubber between pole plate (12) and arc chute (17). Install pole plate (12) and secure with
lockwasher (11) and capscrew (10).
d.
Install arcing contact assembly (9) and two screws (8).
21.
Install latch spring (5) in notch of contactor assembly (7). Pull latch spring forward and press arc chute assembly
(6) down. Release latch spring.
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