10-6. CAB HEATER SYSTEM MAINTENANCE (CONT)
d. Heater Fan Switch and Circuit Breaker.
This task covers removal and installa -
tion of the cab heater fan switch and circuit breaker.
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
S l i p j o i n t p l i e r s
Socket wrench set, 3/8 inch drive
E l e c t r i c a l r e p a i r t o o l k i t
MATERIALS/PARTS: Insulation tape (Appendix C, item 5)
PRELIMINARY PROCEDURE: Battery ground
At cab switch panel, remove HEAT
u p o f f c o n t r o l s h a f t.
Remove four screws (2).
cable disconnected (page 5-148).
CONTROL knob (1) by pulling it straight
Carefully pull cab switch panel (3) up from heater console just enough to
gain access to wiring harness spade terminals at rear of switch panel.
Disconnect wiring harness white wire terminal (5) and wire lead (6) ter-
minal from switch (9) screw terminals by removing two screws (4).
Push and hold pushbutton on switch (9) body to release switch plunger (8)
then pull switch plunger out of switch.
Loosen and remove nut (7) then remove switch (9) from switch panel.
Disconnect wiring harness red-white wire spade terminal (10) by grasping
spade terminal with your fingers and firmly pulling from circuit breaker
(12) terminal .
Disconnect wire lead (6) spade terminal from circuit breaker (12) termi-
n a l .
Loosen and remove round nut (11) then remove circuit breaker (12).