TUBING AND FITTINGS (EVAPORATOR ASSEMBLY)

TM9 4120-423-14&P

TUBING AND FITTINGS (EVAPORATOR ASSEMBLY)

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THIS WORK PACKAGE COVERS:

Repair or Replacement

Tools and Special Tools

Brazing Torch

Materials/Parts

Dehydrator MS35845-1

Personnel Required

Direct Support Technician

Equipment Conditions

Air conditioner removed from shelter (See

Evaporator coil and piping removed (See

REPAIR OR REPLACEMENT

The evaporator assembly contains a number of pieces of copper tubing in a variety of material

grades, sizes, lengths, and shapes and a number of elbows, tees, and adapters. Observe the

following when replacing any piece of tubing in the system.

WARNING

Be sure the refrigeration system is fully discharged and purged, and that dry nitrogen is

flowing through the system at a rate of less than 1-2 cfm (0.028 - 0.057 cubic

meters/minute) before all brazing or debrazing operations.

Replace tubing and fittings only with equal material, grade, size, length, and shape as the item

removed.

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