Dehydrator (Filter-Drier) - TM-5-4120-393-140242

TM 5-4120-393-14

5-16. Dehydrator (Filter-Drier)

This task covers:

a. Inspection

c. Installation

b. Removal

Initial setup.

Tools:

Tool kit, service, refrigeration unit NSN 5180-00-596-1474

Personnel: 1

Equipment condition:

1. Turn unit power off at power source. If there is a chance that it will be turn ed on, also disconnect power

cable to air conditioner.

2. Remove lower front panel. See para 4-24.

3. Remove junction box number two. See para 4-46.

General Safety Instructions:

WARNING

Disconnect input power to the air conditioner before performing any internal

maintenance. Voltages used can KILL. Shutting the unit off at the control panel

does not disconnect unit power.

NOTE

The dehydrator must be replaced each time the refrigeration system has been

opened. It should be installed just before unit is leak tested.

INSPECTION

Check for general condition and signs of leakage.

If leakage is suspected, leak test per para 5-12.

Check that mounting clamp is secure.

REMOVAL

Discharge the refrigerant system per para 5-9.

Using wrench, loosen and disconnect flare nuts (4).

Using screwdriver and wrench, remove screw (1), nut (2), and clamp (3).

Remove dehydrator (5). Note direction of flow arrow for installation.

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