Service Procedures; Important - Desa RM100LP Manual Del Propietário

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 nut-driver (see Figure 6).
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 (40-50 inch-pounds
[46.08-57.60 kilogram-centimeters]).
Ground Screw
Motor
Green
Lead
8
14. Carefully route motor wires through hole in
15. Insert screws through heater shell and into
16. Turn heater on its side to access opening in
17. Attach black and white wires to terminal board
18. Replace base tray.
Transformer
Green Lead
Power
Cord
Green
Lead
Terminal
Board
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shell (see Figure 7). Place motor, motor mount
and fan guard into rear of heater shell.
motor mount. Tighten screws firmly.
bottom of base. Connect green wires from
motor, transformer and power cord to heater
shell using ground nut (see Figure 5).
(see Wiring Diagram, page 11, for correct
locations) .
111710-01B