FILTER-DRYER MAINTENANCE

TM 9-4120-430-14

0051 00

DIRECT SUPPORT MAINTENANCE

AIR CONDITIONER, COMPACT, HORIZONTAL

FILTER-DRYER MAINTENANCE

INSPECT, REMOVAL, INSTALLATION

INITIAL SETUP:

Tools and Special Tools

Tool Kit, General Mechanics (Item 1, Table 2, WP 0067 00)

Tool Kit, Service, Refrigeration Unit (Item 2, WP 0067 00)

Recovery and Recycle Unit, Refrigerant (Item 5, WP 0067 00)

Mask, Air Filtering (Item 29, Table 1, WP 0069 00)

Test Equipment

Electronic refrigerant gas leak detector

Materials/Parts

Nitrogen (Item 4, WP 0069 00)

References

WP 0069 00 (MAC)

Personnel Required

One

Equipment Condition

Main power source is disconnected

Refrigerant system discharged (WP 0044 00)

Special Environmental Condition

WARNING

REFRIGERANT-22 (R-22)

Unit contains R-22, a chemical substance which harms public health and the

environment by destroying ozone in the upper atmosphere, and that the equipment is

to be serviced by qualified personnel only.

Operation of the recovery/recycling unit must be by AUTHORIZED PERSONNEL

ONLY.

INSPECT

Check filter-drier for leaks or damage.

NOTE

The filter-drier must be replaced each time the refrigeration system has been opened. It should

be installed just before unit is leak tested.

0051 00-1