SERVICE PROCEDURES
WARNING: Never service heater while it is plugged in, connected to propane supply, operating or hot. Severe burns and electrical shock can occur.
MOTOR
1.With heater on its side, remove base tray.
2.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 5).
3.Remove black and white motor wires from terminal board (see Figure 5).
4.Carefully push motor wires through hole in bottom of shell.
5.Remove screws holding motor mount to shell. Use
6.Carefully pull motor and fan out of shell. IMPORTANT: Be careful not to damage fan. Do not set motor and fan down with the weight resting on fan. This could damage fan pitch.
7.Use hex wrench to loosen setscrew which holds fan to motor shaft.
8.Remove fan. Be careful not to damage the fan blade pitch.
9.Use nut driver to remove two nuts that attach motor to motor mount.
10.Discard old motor.
11.Attach motor to motor mount with two nuts. Tighten nuts firmly.
12.Replace fan on motor shaft. Make sure set screw contacts flat surface on motor shaft.
13.Tighten set screw firmly
| Transformer |
Ground Screw | Green Lead |
Motor | Power |
Green | Cord |
Lead | Green |
| Lead |
14.Carefully route motor wires through hole in shell (see Figure 7). Place motor, motor mount and fan guard into rear of heater shell.
15.Insert screws through heater shell and into motor mount. Tighten screws firmly.
16.Turn heater on its side to access opening in bottom of base. Connect green wires from motor, transformer and power cord to heater shell using ground nut (see Figure 5).
17.Attach black and white wires to terminal board (see Wiring Diagram, page 11, for correct locations) .
18.Replace base tray.
Motor
Mount
Screw
Fan
Guard
Motor
Mount
Hole in Shell for Wires
Figure 6 - Removing Motor, Motor Mount and Fan Guard from Heater
Hole in 
Shell for
Wires
Figure 7 - Replacing Motor, Motor Mount and Fan Guard into Heater
Terminal
Board
Figure 5 - Location of Ground Screw
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