TM 10-5410-228-24
2.13.18 Control Box Assembly Repair Continued.
(5)
Secure buzzer (48) in control box weld assembly (5) with two screws (44), two flat washers (45)
two new lockwashers (46) (Item 16, Appx E) and two nuts (47).
(6)
Install wires on socket XK1 (43) and K1 relay (42). Remove tags from wires.
(7)
Install socket XK1 (43) and relay K1 (42) in control box weld assembly (5) and secure by
tightening two captive screws (41).
NOTE
Steps 8 through 15 apply to both switches.
(8)
Push switch housing (37) into front of control panel faceplate assembly (4) and retainer cover
(40).
(9)
Using a small flat-head screwdriver, turn two screws (38) clockwise until two retaining cams
(39) stand up.
Do not install indicator unit without all four lamps installed or short circuit will occur when
power is applied.
NOTE
If installing new switch, install lamps per TM 10-5410-228-10.
(10) Using extraction tool, carefully squeeze tabs (36) and install indicator unit (35) into switch
housing (37), ensuring that the aligning pin engages hole in switch housing (37).
(11) Solder leads to back of switches/indicators S1/DS1, and S2/DS2 (34). Remove tags from leads.
NOTE
Nuts supplied with post binding.
(12) Secure post bindings E2 and E1 (31 and 30) to front of control panel faceplate assembly (4) with
two washers (33) and two new nuts (32).
(13) Solder leads to post bindings E2 and E1 (31 and 30). Remove tags from leads.
NOTE
Nut and lockwasher supplied with potentiometer.
(14) Secure potentiometer R1 (27) to control panel faceplate assembly (4) with new lockwasher (29)
and new nut (28).
(15) Solder leads to potentiometer R1 (27). Remove tags from leads.
NOTE
Setscrew supplied with knob.
(16) Correctly position knob (26) on potentiometer R1 (27) and secure with new setscrew (25).
NOTE
Nuts and washers supplied with switch.
(17) Secure switch S3 (21) to control panel faceplate assembly (4) with locking ring (24), lockwasher
(23) and two nuts (22).
(18) Secure terminal lugs to switch S3 (21) with two screws. Remove tags from terminal lug wires.
(19) Secure terminal board assemblies TB1 and TB2 (13) in control box weld assembly (5) with four
screws (19) and four nuts (20).
(20) Install two jumper links (18) on terminal board assemblies TB1 and TB2 (13).
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