TM9-4120-401-14
TERMINAL BOARDS. - continued
4-34.
(2) Check that terminal boards are not cracked or broken.
b. Replace.
(1) Remove two screws (1), look washers (2), flat washers (3), one cover (4), and two spacer posts (5) from
terminal board TB1 (6).
(2) Remove two screws (7), lock washers (8), flat washers (9), one cover (10), and two spacer posts (11)
from terminal board TB2 (12).
(3) Tag and disconnect wire leads from terminal boards TB1 (6), TB2 (12), and TB3 (13).
(4) Remove four screws (14), lock washers (15), flat washers (16), two terminal boards TB1 (6) and TB2
(12), and marker strips (17) from feed through panel (18).
(5) Remove four screws (19), lock washers (20), flat washers (21), terminal board TB3 (13), and marker strip
(22) from unit.
(6) Remove four screws (23), lock washers (24), flat washers (25), and feed through panel (18) from unit.
(7) Position feed through panel (18) in unit and align mounting holes. Secure with four screws (23), lock
washers (24), and flat washers (25).
(8) Position marker strip (22) and terminal board TB3 (13) in unit and align mounting holes. Secure with
four screws (19), lock washers (20), and flat washers (21 ).
(9) Position each of two marker strips (17) and terminal boards TB1 (6) and TB2 (12) on feed through panel
(18) and align mounting holes. Secure each terminal board with two screws (14), lock washers (15),
and flat washers (16) in upper left and lower right mounting holes only.
(10) Conneot wire leads to terminal boards TB1 (6), TB2 (12), and TB3 (13) using tags and wiring diagram
(11) Install cover (10) onto terminal board TB2 (12) using two spacer posts (11), screws (7), lock washers
(8), and flat washers (9).
(12) Install cover (4) onto terminal board TB1 (6) using two spacer posts (5), screws (1), lock washers (2),
and flat washers (3).
NOTE
FOLLOW-ON MAINTENANCE:
Connect power at power source.
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