ARMY TM 9-6115-464-34
AIR FORCE TO 35C2-3-445-2
NAVY NAVFAC P-8-624-34
(a) Move loosely installed bracket (3) to transfer switch.
(b) Check that the switch button is fully depressed, and allow 0.0l inch clearance between the switch
button and the top operator (point (C)).
(c) lnsert a 0.010 inch feeler gauge into the core gap (point (A)).
(d) Apply 24 Vdc to connector pins A and B (See figure 3-105).
(e) Bend the tab (point D, figure 3-104) of bracket toward the switch until the switch actuates.
(f) Remove 24 Vdc, and then apply it again to insure that the switch actuates properly.
(9) Remove 24 Vdc and replace 0.010 inch feeler gauge with 0.018 inch feeler gauge.
(h) Apply 24 Vdc again to check that the switch does not transfer.
(i) Readjust if necessary.
(20) Adjust auxiliary contacts as follows: (See figure 3-104.)
Loosen nuts (4) and position lift comb (5) so that the deflection on the guide leaf springs (6) is
nearly equal in the energized and deenergized positions.
Secure adjustment by tightening nuts (4).
Insert a 0.018 inch feeler gauge between the guide rod head and the operator (point E).
Using an ohmmeter to determine continuity, adjust the stationary contacts of the normally closed
contacts until they just touch the movable contacts (see figure 3-105) for contact positions).
Replace the 0.018 inch feeler gauge with a 0.025 inch feeler gauge and recheck for open circuit of
normally closed contacts. Readjust if necessary.
Insert 0.018 inch feeler gauge in core gap.
Apply 24 Vdc to connector pins A and B.
Using an ohmmeter to determine continuity, adjust the stationary contacts of the normally open
Replace the 0.018 inch feeler gauge with a 0.025 inch feeler gauge by removing and reapplying 24
Vdc. Recheck for open circuit of normally open contacts. Readjust if necessary.
(21) Install chamber base (19, figure 3-100) and gasket (20) and secure with flat washers (18),
Iockwashers (17) and screws (16).
(22) Install cover assembly (12) with receptacle gasket (14) and base gasket (13) onto housing (15) and
secure with flat washers (11), Iockwashers (10), screws (9), Iockwashers (8), and screws (7).
g. Assembly (Type B). See figure 3101 and reassemble the main load contactor in reverse order of dis-
assembly, observing the following:
(1) Actuator Assembly.
(a) Leave screws (82) loose.
(b) Place a clamp across frame (76) and frame core-assembly (72). Tighten clamp until the inner
surfaces of (72) and (76) are parallel and 56.3 mm apart.
(c) Fasten screws (82).
(d) Remove clamp.