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101568
SERVICE
PROCEDURES
Upper Shell Removal
1. Remove screws along each
side of heater using 5/16"
nut-driver. These screws
attach upper and lower
shells together.
2. Lift or slide upper shell off.
3. Remove fan guard.
FAN CROSS SECTION LP-PFA/P 013
Figure 7 - Fan Cross Section
Fan
Hub
Setscrew
Motor
Shaft
FAN LP-PFA/P 023
Figure 6 - Fan, Motor Shaft,
and Setscrew Location
Motor shaft
Fan
Setscrew
Figure 5 - Upper Shell Removal
Ignitor
1. Make sure gap between
ignitor electrode and burner
nozzle is .13⁄.15". Access
ignitor electrode from
inside combustion cham-
ber. No other maintenance
is needed for ignitor.
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 (see
above).
2. Use 1/8" hex wrench to
loosen setscrew which holds
fan to motor shaft.
3. Slip fan off motor shaft.
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 (see Figure
7).
7. Place setscrew on flat of
shaft. Tighten setscrew
firmly (40-50 inch-pounds).
8. Replace fan guard and
upper shell.
!
WARNING
Never service heater while it is plugged in, connected to
propane supply, operating, or hot. Severe burns and electri-
cal shock can occur.