SkyTrak 6036 Service Manual - Manual (Page 315)

Section 10. Electrical System
10-53 Model 6036/6036T S/N 9B0500 thru 14833
WIRE
SCREWS (4)
MA1431
Fig. 10.41 Air Circulation Fan Removal
10.11 FAN SWITCH AND FAN
MOTOR (OPTIONAL)
The circulation fan is only operable when the
ignition switch is in the RUN position. The fan
switch is located at the base of the fan mount.
a. Removal
1. Disconnect negative (–) cable (2, Fig. 10.16),
from the batteries.
2. Disconnect wire, Fig. 10.41, from fan at
terminals.
3. Support the fan with one hand and remove
four screws with the other hand.
b. Disassembly
Do not disassemble; there are no serviceable
parts in the fan.
c. Cleaning and Drying
Without submerging motor or bearings, clean fan
with a nonmetallic bristle brush using an approved
solvent and dry with a clean cloth.
d. Inspection and Replacement
Test fan using a 12 Vdc source which supplies at
least 4 A; replace if defective.
e. Installation
1. Position the fan and install four screws, Fig.
10.41.
2. Connect wire at terminal.
3. Connect negative (–) cable to the batteries.
4. Test fan operation.
10.12 CAB HEATER
(ENCLOSED CAB ONLY)
10.12.1 Cab Heater Switch (Enclosed
Cab Only)
The cab heater fan is only operable when the
ignition switch is in the RUN position. The heater
fan switch (11, Fig. 10.42) is located on the left
side of the seat base.
NOTE: During summer operation, close the
heater line shut-off valve (13) at the left corner of
the engine.
a. Removal
1. Disconnect negative (–) cable (2, Fig. 10.16)
from the batteries.
2. Remove two capscrews (1, Fig. 10.42) and
lock washers (2) and tooth-type grounding
washers (3).
3. Remove two capscrews (4), lock washers (5)
and spacers (6).
4. Slide heater and fan unit (7) forward to provide
access to the cab heater switch (11).
5. Tag and disconnect wiring from switch.
6. Remove hex nut with cap (8), knurled nut (9),
decal (10), and heater switch (11) from
suspension support (12).
b. Inspection and Replacement
1. Test the mechanical operation of the switch
toggle; switch positions are HI, LOW and OFF.
2. Test switch for continuity in the HI and LO
positions and for a short in the OFF position.
3. Replace switch if it fails to pass the tests in
steps 1 and 2.
c. Installation
1. If negative (–) cable (2, Fig. 10.16) had been
reconnected to the batteries, disconnect this
cable.
2. Position heater fan switch (11, Fig. 10.42) in
suspension support (12) and adjust knurled
nut (9) to provide the desired projection of the
switch stem through the suspension support.
Install decal (10), knurled nut (9), heater
switch (11), and hex nut with cap (8).