REFRIGERATION SYSTEM SERVICING (DISCHARGING)

TM 9-4120-425-14&P

REFRIGERATION SYSTEM SERVICING (DISCHARGING)

0049-00

THIS WORK PACKAGE COVERS:

Service (Discharging)

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.

Panels removed (WP 0019-00).

Air conditioner removed from shelter, if necessary.

Special Environmental Condition

WARNING

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

Disconnect air conditioner power supply.

WARNING

Be sure that the manifold hoses are correctly connected. BLUE Hose = Low

Pressure, RED Hose = High Pressure.

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