Cleaning/Inspection - TM-9-2320-360-20-21209

TM 9-2320-360-20-2

18-12. EXHAUST FAN REPAIR (CONT)

c. Cleaning/Inspection

(1) Clean interior and exterior of housings. Use any process or combination of processes which will

accomplish thorough cleaning without damage.

(2) Inspect housings for dents, crac ks, defective welds and other defects.

(3) Inspect foam strips for compression, wear, and loss of adhesion. Replace any damaged foam strips.

d. Assembly

NOTE

Do steps (1) and (2) only if foam

strips were removed.

(1) Install foam strip (1) on housing (2).

(2) Install two foam strips (3) on blower

housing (4).

(3) Install caged nut (5) on bracket (6).

NOTE

Motor assembly must be installed

with wiring harness positioned on

right side, with cage nut slot toward

the front Failure to comply will result

in improper air flow thru exhaust fan.

(4) Install motor (7) in blower housing (4) with

cushion (8), retaining strap (9), screw (10),

and washer (11).

(4.1) Install two retaining clips (11.1) on two

blower wheels (12).

CAUTION

Blower wheels must turn freely after

assembly. Failure to comply may

result in damage to equipment.

NOTE

Blower wheels must be installed in

locations marked during removal.

Failure to comply will result in

improper air flow thru exhaust fan.

(5) Install two blower wheels (12) on motor (7)

with two retaining clips (13).

(6) Install foil (14) and ground wire (15) on

blower housing (4) with three screws (16)

and new lockwasher (17).

(7) Install foil (18) on blower housing (4) with

three screws (19).

18-40 Change 2