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Operator’s Manual 17
MAINTENANCE (CONTINUED):
(Fig. 4)
(Fig. 5)
FAN
:
IMPORTANT: Remove fan from motor shaft before
removing motor from heater. The weight of the motor
resting on the fan could damage the fan pitch.
1. Remove upper shell.
2. Use 1/8" hex wrench to loosen setscrew which holds
fan to motor shaft.
3. Slip fan off motor shaft. (Fig. 4 & 5)
4. Clean fan using soft cloth moistened with kerosene or
solvent.
5. Dry fan thoroughly.
6. Replace fan on motor shaft. Make sure setscrew is
touching back of flat surface on motor shaft (Fig. 6).
7. Place setscrew on flat of shaft. Tighten setscrew firmly
(40-50 inch-pounds).
8. Replace fan guard and upper shell.
IGNITOR:
Make sure gap between ignitor electrode and burner
nozzle is 0.13/0.15". Access ignitor electrode from inside
combustion chamber. No other maintenance is needed
for ignitor.
Fan
Motor
Motor
Shaft
Fan
Setscrew
(Fig. 6)
Fan
Hub
Setscrew
Motor
Shaft
CAUTION: DISCONNECT HEATER FROM
PROPANE L.P. SUPPLY TANK(S).
1. Store Propane / L.P. tank(s) in safe manner. See Chapter
5 of Standard for Storage and Handling of Liquefied
Petroleum Gases, ANSI/NFPA 58
and the Propane
Installation Code CAN/CGA B149.2. Follow all local
codes. Always store Propane / L.P. tanks outdoors.
2. Place plastic cover caps over brass fittings on inlet
connector and hose / regulator assembly.
3. Store in dry, clean and safe place. Do not store
hose / regulator assembly inside heater combustion
chamber.
4. When taking heater out of storage, always check inside
of heater. Insects and small animals may place foreign
objects in heater. Keep inside of heater free from
combustible and foreign objects.
Storage