Refer to LO 10-4610-232-12 and lubricate the vent fan.
a. Refer to Figure 4-79.1 and remove the vent fan as follows:
(1) Turn the fan switch on switch panel No. 2 to the OFF position.
(2) Disconnect cable (1) at switch panel No. 2.
(3) Remove screw (2) and handle (3).
(4) Remove four capscrews (4), Iockwashers (5) and washers (6) and remove the fan assembly (7) from the
ROWPU wall as a unit.
a. Loosen setscrew (8) and remove blade assembly (9) from motor (10) shaft.
b. Removecapscrew(11), two washers (12), and locknut(13) and remove motor (10).
c. Remove four locknuts(14) and washers(15) and remove fan guard (16).
a. Replace blade assembly (9), if damaged.
b. Replace motor (10), if faulty.
c. Replace faulty cable(1).
Be sure handle opening on fan guard and frame are aligned.
a. Install guard (16) and secure with four washers (15) and locknuts (14).
Install motor so that cable is on the bottom.
b. Install motor (10) and secure withcapscrew(11), two washers (12), and locknut (13).
Be sure that end of blade assembly is flush with end of motor shaft.
Be sure that setscrew is aligned with flat side of motor shaft.
c. Install blade assembly (9) on motor (10) shaft and secure with setscrew (8).
Be sure that handIe opening is on lower right side.
a. Install fan assembly (7) and secure with four washers (6), Iockwashers (5) and capscrews (4).
b. Install handle (3) and secure with screw (2).
c. Connect cable (1) to switch panel No. 2.
4-264.2 Change 2