New Buck Corporation 91 B02F10B82B3D331079A9C page 26

(Motor, Thermostat, Rheostat, Wiring Harness)
1. Unplug heater from 115V AC outlet.
2. To replace motor you must first take bottom cover door off. Do this by removing two screws holding it in place. See Figure 19.
3. Next, you will find a wire cage protecting you from electrical components of this unit. By looking to right of ash pan, you will find
cage cover. There are two screws on left side of cage that hold wire cage in place. Remove two screws holding wire cage and motor
assembly to vertical bar. See Figure 20.
4. NOTE: It will be easier to remove motor if you remove wire cage out of the way. Take the control knob and nut from the rheostat that
is hooked to the wire cage. Mark and unplug wires from rheostat. Mark and unplug wires from switch. Lay wire cage aside. See
Figure 20.
5. To remove motor, mark and unhook wire servicing motor. NOTE: You may remove thermostat to make it easier to work in area.
Gently slide motor out and while pulling it out move the back of the motor facing you from right to left in a clockwise motion. See
Figure 20.
6. Place new motor over old motor and locate motor bracket in the same location as was on the old motor and mark holes on new motor.
Remove motor bracket from old motor, line up with marks on new motor and secure bracket to new motor with screws form original
motor assembly.
7. To replace motor, turn motor so that 4"x4" air discharge opening is pointing toward back of stove. The flat part of motor housing
is turned up. With the air discharge opening pointing in the 2 o'clock position, start in toward unit. Rotating the back of motor
counterclockwise. The air discharge opening of motor housing fits in a cavity in back of unit, that will direct air flow to proper
location. Make sure air discharge opening is located firmly in opening. If thermostat was removed, replace thermostat in bracket.
8. Hook up wiring to all components, if you have replaced or unhooked them to rewire motor, rheostat or switch. If you need to see
wiring diagram See Page 26, Figure 22 If rheostat was removed, replace rheostat on to screen housing with the nut and replace
control knob, reconnect wires to switch.
9. Replace motor and wire cage. Hold motor with bracket and wire cage over holes in vertical bar. Fasten motor bracket and wire cage
to bar at same time to vertical bar to right of ash pan. Replace bottom cover door.
10. To replace the thermostat and to remove wire cage follow steps 1 through 3. Gently push the thermostat up and out of thermostat
bracket and replace with new thermostat. Fallow step 8 and 9 to reinstall wire cage. See Figure 21.
11. Plug heater back into a 115V AC outlet.
Figure 19
THERMOSTAT BRACKET
Figure 21
MOTOR ASSEMBLY REPLACEMENT
COVER DOOR SCREWS
BOTTOM COVER DOOR
THERMOSTAT
MOTOR AND BRACKET
ASH PAN
VERTICAL BAR
Page 24 Page 25
WIRE SCREEN
RHEOSTAT
SWITCH
Figure 20