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Air proving switch, Fan motor – L.B. White 350 Premier Dual Fuel User Manual

Page 17

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1. Remove the mounting screws. Turn switch assembly

so the paddle on the switch arm can be pulled

through oblong hole on side of fan housing. See Fig.

19.

2. Disconnect the leads from the air proving switch.

FIG. 19

AIR PROVING SWITCH

17

OBLONG HOLE

1. Remove belt guard from heater.

2. Remove fan belt.

3. Remove motor pulley from motor and mounting

hardware. See Fig. 17.

FIG. 17

4. Open electrical supply access panel on motor and

disconnect power supply wiring. See Fig. 18.

FIG. 18

Ensure motor and fan pulleys are properly aligned

before tightening pulleys to motor shaft.

Refer to alignment procedures within manual

Motor bearings are permanently lubricated.

FAN MOTOR

HARDWARE