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TM 9-4120-367-14
TM 07592B-14/1
6.28 EVAPORATOR BLOWER AND MOTOR. .-Continued
Location/Item
Action
Remarks
Removal of
a. Disconnect electric power to air conditioner.
Housings
(Model
MHP-20-4-08
only)
High voltage can kill.
b. Remove air inlet louver and air filter.
Paragraph 5.20
c. Disconnect condensate drain tubing.
Paragraph 5.24
d. Remove six screws and washers securing inlet to
housing.
e. Remove three screws securing front of housing
to rear.
f. Remove two screws securing housing rear to
wall and remove block.
g. Remove two screws securing housing rear to
floor and remove bar.
h. Repeat process for remaining fan housing.
Removal of
a. Loosen setscrew inside impeller hub and remove
Impellers
impeller.
b. Repeat process for remaining impeller.
Removal of
a. Remove four flat-head screws securing motor
Motor
and base assembly to unit floor.
b. Remove four bolts, washers, bushings, and
grommets securing motor and pad to support.
c. See paragraph 6.30 for motor repair.
Installation
a. Secure motor to support with four bolts, washers,
bushings, and grommets, and two pads.
b. Mount support on unit floor and secure with four
flat-head screws.
c. Mount impellers and secure setscrews.
d. Attach two rear blower housing halves to unit
floor and wall, each with two fillers and four
screws.
e. Attach front halves of blower housing and secure
each with three screws.
f. Attach inlets and secure each with six screws
and washers.
6-100
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