TM 9-4120-408-14
Table 3-1. Operator Troubleshooting Table . (Constructed)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. Air Filter Warning Light on Control Module is Lit.
Inspect air filter on evaporator assembly for obstructions or damage.
a Remove and service air filter (paragraph 3-5). Inspect for damage.
b Replace air filter (paragraph 3-5).
c Notify unit maintenance.
7. Condensate Drain Warning Light on Control Module is Lit.
Notify unit maintenance.
SECTION IV. OPERATOR MAINTENANCE PROCEDURES
3-5. RETURN AIR FILTER MAINTENANCE.
This task covers:
Remove
Install
Service
INITIAL SETUP:
Tools
Equipment Conditions
No tools are required.
Air Conditioner shut down, paragraph
2-5.
Material/Parts
General Safety Instructions
Drain Pan, Appendix E, Item 19
Do not work on equipment without
Soap, Appendix E, Item 22
following standard shop safety
procedures.
Refer to TM 9-4120-408-24P for part
number of item to be replaced.
a. Remove. Remove filter (Figure 3-1, 1) from return air filter brackets (2).
b. Service. Clean filter tl) with warm soapy water and air dry prior to installation. If damaged, replace filter (1).
WARNING
Return air filter must be installed with protective grill facing away from evaporator assembly. Failure
to do so may result in equipment damage.
c Install. Install filter (1) into return air filter brackets (2).
3-4
