Desa RLP155AT - Manual (Page 7)

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MAINTENANCE
WARNINGS
• Never service heater while it
is plugged in, connected to
propane supply, operating, or
hot. Severe burns and electri-
cal shock can occur.
• Keep heater clear and free
from combustible materials,
gasoline, and other flammable
vapors and liquids.
• Do not block the flow of com-
bustion or ventilation air.
1. Keep heater clean. Clean heater annually or as
needed to remove dust and debris. If heater is
dirty or dusty, clean heater with a damp cloth.
Use household cleaners on difficult spots.
2. Inspect heater before each use. Check connec-
tions for leaks. Apply mixture of liquid soap
and water to connections. Bubbles forming
show a leak. Correct all leaks at once.
3. Inspect hose/regulator assembly before each
use. If hose is highly worn or cut, replace with
hose specified by manufacturer.
4. Have heater inspected yearly by a qualified
service agency.
5. Keep inside of heater free from combustible
and foreign objects. Remove motor and other
internal parts if needed to clean inside of
heater (see Service Procedures).
6. Clean fan blades each season or as needed (see
Fan, page 8).
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.
ELECTRICAL SYSTEM
The entire electrical system for this heater is con-
tained within the motor. If any part of the electrical
system is damaged, you must replace motor.
Screw
Screw
Motor and
Fan Guard
MOTOR
1. Remove three screws that attach fan guard to
heater shell.
2. Remove motor and fan guard from heater shell
(see Figure 6).
3. Use hex wrench to loosen set screw which
holds fan to motor shaft (see Figure 7). Re-
move fan. Be careful not to damage the fan
blade pitch.
4. Remove two nuts and two screws that attach
fan guard to motor using nut-driver. Remove
fan guard from motor (see Figure 8).
Figure 6 - Removing Motor and Fan
Guard from Heater
Figure 7 - Setscrew Location
Setscrew
Figure 8 - Removing or Attaching Fan
Guard from Motor
Fan Guard
Motor
Screw