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101585
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
page 10).
2. Use 1/8" allen wrench to
loosen setscrew which
holds fan to motor shaft.
3. Slip fan off motor shaft.
4. Clean fan using a soft cloth
moistened with kerosene or
solvent.
5. Dry fan thoroughly.
6. Replace fan on motor
shaft. Place fan hub flush
with end of motor shaft
(see Figure 25).
7. Place setscrew on flat of
shaft. Tighten setscrew
firmly (40-50 inch-pounds/
4.5-5.6 n-m).
8. Replace fan guard and
upper shell.
Output Rating (BTU/Hr) 70,000 100,000 150,000
Fuel Use Only Kerosene or No. 1 Fuel Oil
Fuel Tank Capacity
(U.S. Gal./Liters) 5.0/18.9 9.0/34.1 13.5/51.1
Fuel Consumption
(Gal. Per Hr./Liters Per Hr.) .52/1.97 .78/2.95 1.10/4.16
Electric Requirements 220 V/60 Hz (Same All Models)
Amperage (Normal Run) 2.0 2.0 2.0
Hot Air Output (CFM/CMM) 250/7.1 490/13.9 500/14.2
RPM 3450 3450 3450
SPECIFICATIONS
Figure 25 - Fan Cross Section
Fan
Motor
Shaft
Setscrew
Motor
Shaft
Flush
Fan
Setscrew
Figure 24 - Fan, Motor Shaft, and Setscrew Location