REFRIGERATION SYSTEM SERVICING (CHARGING)

TM 9-4120-425-14&P

REFRIGERATION SYSTEM SERVICING (CHARGING)

0054-00

THIS WORK PACKAGE COVERS:

Service (Charging)

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)

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

Test Equipment

Charging cylinder or scale

Materials

Refrigerant-22, R-22 (Item 10, Table 1, WP 0121-00)

References

WP 0118-00 (MAC)

Equipment Condition

Refrigeration system evacuated (WP 0053-00).

Main power source disconnected.

WARNING

Disconnect air conditioner power supply.

WARNING

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

Pressure, RED Hose = High Pressure.

CAUTION

Never introduce liquid refrigerant into the low pressure (suction) service valve.

NOTE

Install top covers before charging unit.

NOTE

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