REFRIGERATION SYSTEM SERVICING (LEAK TEST)

TM 9-4120-425-14&P

REFRIGERATION SYSTEM SERVICING (LEAK TEST)

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THIS WORK PACKAGE COVERS:

Service (Leak Test)

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

Electronic refrigerant gas leak detector (See TM 9-4940-509-14&P)

Materials/Parts

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

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

References

WP 0049-00

Equipment Condition

Main power source disconnected.

WARNING

Disconnect air conditioner power.

WARNING

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

Pressure, RED Hose = High Pressure.

NOTE

After repair or replacement of a refrigeration component, replace the filter-drier prior

to leak testing. See WP 0066-00.

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