TM 9-1240-382-34
LOCATION
ITEM
REMARKS
ACTION
DISASSEMBLY
Elbow
Switch
Loosen the two setscrews (1)
Assembly
Assembly
holding each knob (2) and remove
the knobs. Remove nut (3), and
lockwasher (4). Remove variable
resistor (5) and ground wire (6).
Unsolder jumper (7) from terminal
(8) and variable resistor (9).
Setscrew (1)
Remove nut (10), lockwasher (11)
Knob (2)
and variable resistor (9). Unsolder
Nut (3)
resistor (12) from variable resistor
Lockwasher (4)
(5). Unsolder resistor (13) from
Variable Resistor (5)
variable resistor (9).
Remove
Ground Wire (6)
screw (14) and terminal (8).
Jumper (7)
Terminal (8)
Variable Resistor (9)
Nut (10)
Clean dirt and grime from all
Lockwasher (11)
threads. Remove silicone (RTV)
Resistor (12)
Resistor (13)
in switch cover plate (15).
Screw (14)
Cover Plate (15)
Wiring insulation must be free of
signs of wear, cuts, or burns. The
variable resistors should turn
CLEANING
smoothly throughout their range.
Threaded components should be
Elbow
Switch
free of burrs and evidence of cross
Assembly
Assembly
threading.
Repair is limited to
replacement of missing, defective,
or damaged parts.
INSPECTION/REPAIR
Elbow
Switch
Assembly
Assembly
2-13