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12 cab heater (enclosed cab only), 11 fan switch and fan motor (optional) – SkyTrak 6036 Service Manual User Manual

Page 252

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Section 10.

Electrical System

10-58

Model 6036 S/N 9B0499 and Before

e.

Installation

1.

Position the fan and install four screws, Fig.
10.66.

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. 10.67) 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 just above the alternator.

a.

Removal

1.

Disconnect negative (–) cable (2, Fig. 10.38)
from the batteries.

2.

Remove two capscrews (1, Fig. 10.67) 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. 10.38) had been
reconnected to the batteries, disconnect this
cable.

2.

Position heater fan switch (11, Fig. 10.67) in
suspension support (12) and adjust knurled

11. Connect spring (4).

12. Position the right front console panel (3) and

right console overlay (2) and install four flange
head capscrews (1).

13. Connect the negative (–) cable (2, Fig. 10.38)

to the batteries.

WIRE

SCREWS (4)

MA1431

Fig. 10.66 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. 10.38),
from the batteries.

2.

Disconnect wire, Fig. 10.66, 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.