5-25. REMOVE/INSTALL GUM BATH VENT/FUME VENT BLOWER AND MOTOR.
This task consists of:
General Mechanics Tool Kit, (Appendix B, Section III, Item 2)
General Safety Instructions
Before performing any maintenance actions on electrical equipment, ensure all electrical power has been
turned off. Death or serious injury may occur from failure to do this.
Remove Gum Bath Vent/Fume Blower and Motor. See Figure 5-25.
a. At MAIN POWER PANEL, set circuit breaker A1CB2 to OFF.
b. Remove four screws and access panel from blower motor. Tag for reconnection and disconnect wiring and
c. Loosen clamp and disconnect discharge duct from blower housing.
d. Remove nuts, lockwashers, flat washers, dampers, and bolts securing motor bracket to equipment shelf.
e. Remove blower motor and motor bracket from equipment shelf. Separate suction duct from blower housing.
Remove four bolts and separate blower housing from blower motor.
g. Loosen setscrew and remove impeller from motor shaft.
h. Remove four mounting bolts, starwashers, flat washers and lock nuts. Separate blower motor from motor bracket.
Install Gum Bath Vent/Fume Blower and Motor. See Figure 5-25.
a. Position blower motor on motor bracket. Install four mounting bolts, starwashers, flat washers and lock nuts.
b. Install impeller on motor shaft and tighten setscrew.
c. Position blower housing on blower motor and install four bolts.