11
101489
SERVICE
PROCEDURES
Figure 9 - Removing or Attaching
Fan Guard from Motor
Motor Wires
Figure 8 - Removing or Attaching
Fan from Motor Shaft
Figure 7 - Removing Motor and Fan Guard from Heater
Ground Screw
Wire Guard
Underside of Heater Base
Hole in Shell
for Wires
Figure 6 - Location of Ground Screw and Wire Guard
Fan Guard Screw
Fan Guard
Terminal Board
Fan Hub
Continued
Motor
1. Access ground screw
through underside of heater
base. Remove ground screw.
Disconnect the green motor
wire and the green power
cord wire from underside of
shell (see Figure 6).
2. Remove blue, white, and
yellow motor wires from
terminal board (see Figure 6).
3. Remove two wire guard
screws. Remove wire guard.
4. Set heater on its base.
Remove three screws that
attach fan guard to heater
shell (see Figure 7).
5. Remove motor and fan
guard from heater shell.
Carefully pull the motor
wires from hole in shell
(see Figure 7).
6. Use 3.17 mm (1/8") Allen
wrench to loosen set-
screws which hold fan to
motor shaft (see Figure 8).
7. Remove fan. Be careful not
to damage the fan blade pitch.
8. Use nut driver to remove
three nuts that attach fan
guard to motor. Remove fan
guard from motor (see Fig-
ure 9).
9. Discard old motor.
10. Attach fan guard to new
motor with three nuts.
Tighten nuts firmly.
11. Place fan onto motor shaft
of new motor.
IMPORTANT:
When plac-
ing fan onto motor shaft,
make sure fan hub in posi-
tioned away from motor
body (see Figure 8). Make
sure setscrews are touching
back of flat surfaces on
motor shaft. Tighten set-
screws firmly (4.5-5.7 Nm
[40-50 inch-pounds]).
WARNING ICON
G 001
WARNING
Never service heater while it is plugged in, connected to
propane supply, operating, or hot. Severe burns and elec-
trical shock can occur.
Wire Guard Screws
Set-
screws
