PLATE, OPERATION AND HEATER SWITCH MAINTENANCE
This task covers:
Tool Kit, General Mechanic's
INSPECTION OF HEATER SWITCH
Inspection is limited to visual inspection of components. Check for damaged and frayed wiring.
Disconnect negative battery cable from right battery and the positive
battery cable from the left battery before doing the following
procedures. Failure to observe this warning could result in severe
personal injury or death.
TEST OF HEATER SWITCH
1. Disconnect lead from terminal of switch (1), Figure 4-24, and use multimeter to measure for continuity across
switch terminals with switch in on position. With switch in off position there should be an open circuit.
If readings are not as above, replace switch.
REMOVAL OF HEATER SWITCH
Disconnect negative battery cable.
Release control panel by turning two fasteners and carefully lowering control panel.
At generator control panel (2), tag and disconnect all leads to switch (1).
Remove knurled nut (3), mounting nut (4), from control panel (2).
Tag and disconnect leads to light (5).
Remove light (5) and clip (6), along with heater switch plate (7).
REPLACEMENT OF HEATER SWITCH
Perform steps 1 thru 6 or removal.
Perform steps 1 thru 5 of install, substituting new heater switch plate for the defective one.
INSTALLATION OF HEATER SWITCH
Install heater switch plate (7) and light (5) with new clip (6). Discard rectangular clip that comes with lights.
Connect all leads to light (5).