TM 55-2210-224-34
3-22. FIELD SHUNT CONTACTOR (cont)
CLEANING, INSPECTION, AND REPAIR (cont)
k. Base (53).
(1)
Inspect base (53) for soundness. Replace base if it appears to be oil soaked or cracked.
(2)
Paint base (53) with one or two coats of electrical insulating varnish.
ASSEMBLY
15. Position magnet frame (52) on base (53) and install two flat washers (51), lockwashers (50), and capscrews (49).
Position operating coil (48) on magnet frame and install lockwasher (47) and capscrew (46).
16. Position armature stop (45) on magnet frame (52) and install two lockwashers (44) and capscrews (43). Position
armature (42) in armature stop.
17. Install two flat washers (40), clamps (39), and pins (38) on contact lever (41). Position contact lever on armature
(42). Install two lockwashers (37) and capscrews (36).
18. Install contact pressure spring (35) on pin of contact lever (41) and install spring seat (34) and cotter pin (33).
19. Connect calibrating spring (32) to armature s
top (45) and install star washer (31), calibrating screw locknut (27),
spacer (30), flat washer (29), and calibrating screw (28). Tighten calibrating screw locknut.
20. Position shunt (26) on armature stop (45) and install two lockwashers (25) and capscrews (24).
21. Position movable contact tip (23) and shunt (26) on contact lever (41) and install flat washer (22), lockwasher (21),
and allen-head screw (20).
22. Position stationary contact tip support (19) on base (53) and install two flat washers (18)
, lockwashers (17), and
capscrews (16).
23. Position cover (15) and install two screws (14).
24. Position stationary contact tip (13) on stationary contact tip support (19) and install flat washer (12), lockwasher (11),
and allen-head screw (10).
25. Position arc chute (9) on stationary contact tip support (19). Install flat washer (8), lockwasher (7), and capscrew (6).
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