Section IV. OPERATOR'S MAINTENANCE - TM-5-4120-273-150036

TM 5-4120-273-15

Section IV. OPERATOR'S MAINTENANCE

(3) Inspect filter for dirt.

3-8. General

b. Service.

Instructions in this section are published for the

(1) Wash filter in hot water or approved

information and guidance of the operator to main-

solution.

tain the air conditioner.

(2) Dry with compressed air.

(3) Spray with light coat of oil.

3-9. Air Filter Inspection and Service

3-10. Panels, Grilles and Screens Inspection

a. Inspection.

Refer to figure 3-4 and 3-5 and inspect panels,

(1) Remove intake grille (fig. 3-5).

(2) Remove air filter (fig. 3-3).

grilles and screens.

Figure 3-3. Air filter removal and installation.

Section V. TROUBLESHOOTING

Any trouble beyond the scope of organizational

3-11. General

maintenance shall be reported to direct support

This section provides information useful in diag-

maintenance.

nosing and correcting unsatisfactory operation or

failure of the air conditioner and its components.

3-12. Compressor Fails to Start

Each trouble symptom stated is followed by a list

Possible remedy

ProbabIe cause

of probable causes. The possible remedy recom-

Selector switch improperly Set switch to "COOL"

mended is described opposite the probable cause.

set

3-6