L.B. White Pilot - Manual (Page 59)

Model AS040
Fan and Motor
Servicing
Instructions
Cleaning tthe FFan:
1. Disconnect the heater from its electrical supply and
close all fuel supply valves to the heater.
2. Remove the motor access panel on the case back.
3. Disconnect the motor wires from the terminal strip.
4. Remove the screws that hold the motor mount to the
heat chamber. Pull the fan and motor assembly from
the heater.
5. Clean the fan with a soft brush, rag, or compressed air.
Motor aand FFan R Replacement:
Follow steps 1 - 4 above and then proceed as follows:
1. Using the appropriate allen wrench, loosen the set
screw on the fan hub.
2. Remove the nuts that hold the motor to its mounting
bracket.
3. To reassemble, reverse the procedures.
IMPORTANT
■ Install the fan so its hub and set screw are pointed
toward shaft end, away from motor.
■ Fan hub must be flush with end of motor shaft.
■ Position set screw of fan to flat of motor shaft
before tightening.
August 1999
8.2-1 1
Nut
Hub