REFRIGERANT SYSTEM SERVICE

TM 9-4120-430-14

0048 00

DIRECT SUPPORT MAINTENANCE

AIR CONDITIONER, COMPACT, HORIZONTAL

REFRIGERANT SYSTEM SERVICE - (EVACUATION)

INITIAL SETUP:

Maintenance Level

Direct Support

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)

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

Test Equipment

Vacuum pump (Item 3, Table 2, WP 0067 00)

Materials/Parts

Nitrogen (Item 4, Table 1, WP 0069 00)

References

WP 0067 00 (MAC)

Personnel Required

One

Equipment Condition

Refrigerant system leak tested (WP 0047 00)

Refrigerant system discharged (WP 0044 00)

Main power source is disconnected

WARNING

Ensure power source is disconnected.

WARNING

Be sure that the manifold hoses are correctly connected.

BLUE Hose = Low Pressure, RED Hose = High Pressure.

CAUTION

Do not evacuate a leaking system. The vacuum created can cause air, moisture, and

dirt to enter system.

NOTE

Replace filter-dryer whenever refrigerant system is opened.

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