TM 9-4120-388-14
4-34. FRESH AIR FlLTER
b. Cleaning
This task consists of: a. Removal
c. Inspection
d. Installation
INITIAL SET-UP:
Equipment Condition
Turn off power.
Disconnect input power to the air conditioner before performing any internal
maintenance. Voltages used can KILL. Shutting the unit off at the control panel
does not disconnect unit power.
Removal
a.
(1) Remove four flat head screws and five pan head screws and flat washers.
(2) Remove fresh air screen.
(3) Slip filter out of unit.
b . Cleaning.
(1) Wash filter in mild detergent and water solution.
(2) Rinse thoroughly in clear water.
(3) Shake out excess water prior to installation.
Inspection.
c.
(1) Check filter for punctures, cuts, and damaged edges that would allow passage of unfiltered air.
(2) Check filter for packed or mashed areas that would block airflow.
(3) Replace filter if found bad.
d. Installation.
(1) Place filter in with UP marking pointing up and directional arrow pointing in toward unit.
(2) Secure fresh air screen with four flat head screws and five pan head screws and flat washers.
