SERVICE VALVES DIRECT SUPPORT MAINTENANCE REPLACEMENT

TM 9-4120-425-14&P

SERVICE VALVES DIRECT SUPPORT MAINTENANCE REPLACEMENT

THIS WORK PACKAGE COVERS:

Inspect, Removal, and Installation

INITIAL SETUP:

Maintenance Level

Direct Support

Tools and Special Tools

Tool Kit, General Mechanics (Item 1, Table 2, WP 0118-00)

Tool Kit, Service, Refrigeration Unit (Item 2, Table 2, WP 0118-00)

Recovery and Recycle Unit, Refrigerant, (Item 5, Table 2, WP 0118-00)

Mask, Air Filtering (Item 29, Table 1, WP 0121-00)

References

WP 0118-00 (MAC)

Equipment Condition

Mode selector switch in OFF position.

Main power source is disconnected.

Rear top panel removed (WP 0019-00).

System refrigerant discharged (WP 0049-00).

Test Equipment

Electronic refrigerant gas leak detector

Materials/Parts

Nitrogen (Item 4, Table 1, WP 0121-00)

Brazing alloy (Item 5 or 6, Table 1, WP 0121-00)

Brazing flux (Item 7, Table 1, WP 0121-00)

Special Environmental Condition

NOTE

In accordance with Environmental Protection Agency regulations, refrigerants

cannot be discharged into the atmosphere. A refrigerant recovery and recycling unit

must be used whenever discharging the refrigerant system.

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

ONLY.

WARNING

Avoid bodily contact with liquid refrigerant and avoid inhaling refrigerant gas. Be

especially careful that refrigerant does not come in contact with eyes. In case of

refrigerant leaks, ventilate area immediately.

0073-00-1