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103909
PROPANE CONSTRUCTION HEATER
CANADIAN RCLP155B
FAN CROSS SECTION LP-PFA/P 013
FAN LP-PFA/P 023
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
Motor
Figure 5 - Upper Shell Removal
Figure 8 - Fan Cross Section
Figure 7 - Fan, Motor Shaft, and Setscrew
Location
Motor shaft
Fan
Setscrew
Fan
Figure 6 - Fan Removal
Hub
Setscrew
Motor
Shaft
WARNING: Never service
heater while it is plugged in, con-
nected to propane supply, oper-
ating, or hot. Severe burns and
electrical shock can occur.
IGNITOR
1. Make sure gap between ignitor electrode
and burner nozzle is 3.3/3.8 mm (.13/
.15 in). Access ignitor electrode from in-
side combustion chamber. 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 sur-
face on motor shaft (see Figure 8).
7. Place setscrew on flat of shaft. Tighten
setscrew firmly 4.5 to 5.6 N-lb (40-50
in-lb).
8. Replace fan guard andupper shell.