iliary contact connector (46). Insert the
d. Assemble the base assembly (34) by
primary contactor assembly (15) into the
installing contact assembly (41) to main
cover assembly (14), Insert and seat the
base (42). Secure with nut (38), lock
connector in the receptical opening of the
washer (39) and washer (40). Install nut
cover assembly (14). Attach with screws
(31), lock washer (32) and washer (33) to
(7) and washers (8). Carefully seat the
contact assembly (41). Place the arc chute
main base (42) of the primary contactor
(35), arc chute spacer (36) and grommet
assembly (15) onto the cover assembly (14);
(37) atop the contact assembly (41).
check that the gasket (13) forms an airtight
e, Assemble the main contact operator
seal. Install screws (9), lock washers (10)
and washers (11). Place terminal cover (6)
assembly (21) by placing shim (28) and
spring (27) onto the main contact bridge
onto the primary contactor assembly (15).
assembly (29). Assemble three contact
Secure with screws (3), lock washers (4)
bridge assemblies and carefully insert into
washers (5). Do not overly tighten screws
the main contact (30). Press down on the
(3) as the terminal cover (6) may crack.
main contact (30) and place the locating
bushings (26) and retainers (25) over the
main contact bridge assembly (29) After
reassembly of the main contact operator
assembly (21), check each individual con-
a. Contact Overtravel. Adjust the main
tact at its edge with a suitable force gage,
load contactor for contact overt ravel as
Preload shall be 1 1/2 - 2 1/2 lbs. Pre-
load is checked by the initial breakaway of
the retainer (25).
terminals A1-A2 and C1-C2 on main base
f. Fasten adjusting bushing (24) to the
main base (42). Carefully seat the main
2. Insert .035 feeler gage between
contact operator assembly (21) onto the
the coil (72) and core and rod assembly (59),
adjusting bushings (24) and are chutes (35).
Install nuts (22) and lock washers (23).
3. Apply 24VDC to the coil.
Place gasket (20) and chamber base (19)
onto base assembly (34) and fasten with
4. Adjust bushing (24) until conti-
screws (16), lock washers (17) and washers
nuity is made at A1-A2 and C1-C2. Secure
adjustment by tightening screw (22).
Before proceeding with the final
phase of reassembly, it is manda-
b. Licon Switch. Adjust the main load
tory that adjustment of the contactor
lican switch (70) as follows:
be performed, Refer to paragraph
1. Adjust switch bracket (69) to
licon switch (70). Check that white button
g. Seat gasket (13) into groove or main
is fully depressed, and allow .010 clear-
base (42). Place gasket (12) over the aux-
ance between white button and tap operator.