TM 10-4320-226-14
4.13.10.5
Removal. (Refer to figure 4-50.1)
W A R N I N G
To prevent rolling or sliding, do not work on equipment that is not securely stabilized.
Ensure both wheels are chocked. Failure to obey these warnings may result in serious
injury.
a.
Disconnect wire (1) from rheostat(2) behind control panel.
b.
Remove nut(3), lockwasher(4), and screw(5) and clamp(6) from bracket support(7).
c.
Remove nuts(8), lockwashers(9), screws(10) and bracket support(7) from control panel.
d.
Remove hood(11) and incandescent light(12) from bracket support(7).
e.
Disconnect wires from rheostat(2).
f.
Loosen setscrew in knob(13) and remove knob from rheostat(2).
g.
Remove nut(14) and pull rheostat(2) from back of control panel.
h.
Remove locating washer(15) and nut(16) from rheostat(2).
4.13.10.6
Repair. (Refer to figure 4-50.1)
Repair limited a to replacing defective components,
4.13.10.7
Installation. (Refer to figure 4-50.1)
a.
b.
C.
d.
e.
f.
g.
h.
Install locating washer(15) and nut(16) on rheostat. Tab on locating washer must point away from rheostat.
Align tap on locating washer(15) with hole on control panel and push rheostat(2) through control panel.
Install nut(14) on shaft of rheostat(2) and secure rheostat to control panel.
Position knob(13) on shaft of rheostat(2) and tighten setscrew in knob.
Position and secure bracket support(7) onto control panel with nuts(8), lockwashers(9) and screws(10.)
Place wire through clamp(6) and secure clamp on bracket support(7) with nut(3), lockwasher(4), and screw(5).
Install incandescent light(12) and hood(11) on bracket support(7).
Connect wires to rheostat(2).
Change 2
4-93