SOLENOID VALVE L1 REPLACEMENT

TM 9-4120-428-14

0079 00

DIRECT SUPPORT MAINTENANCE

AIR CONDITIONER, HORIZONTAL, COMPACT

(NSN 4120-01-502-1319)

SOLENOID VALVE L1 REPLACEMENT

INITIAL SETUP:

Equipment Condition

Tools

Remove top panel (WP 0061 00)

Refrigeration Unit Service Tool Kit, WP 0000 00, Item

Remove dehydrator (WP 0075 00)

Purge refrigerant system (WP 0066 00)

Materials/Parts

Solenoid Valve

Flush Bushings

REPLACEMENT

1. Remove the top nut (Figure 5-20, Item 1), data plate (2), and coil (3) from the tube and plunger assembly (4).

Carefully lay the coil (3) aside.

2. Remove two screws (5), tube and plunger assembly (4), O-Ring (6), and diaphragm (7) from the valve body (8).

3. Remove two screws (9) and spacers (10) that attach the valve body (8) to the housing.

4. De-braze the joints and remove the valve body (8). (See WP 0000 00).

5. Remove two screws (5), tube and plunger assembly (4), O-Ring (6), and diaphragm (7) from the new valve body (8).

6. Install the flush bearings (11) in the valve body (8).

7. Braze the tubing to the valve body (8) (See WP 0067 00).

8. Secure the valve body (8) to the housing with two screws (9) and spacers (10).

9. Install the O-Ring (6), diaphragm (7), and tube and plunger assembly (4). Secure to the valve body (8) with two

screws (5).

10. Install the coil (3) and data plate (2), with the attaching nut (1) on the tube and plunger assembly (4).

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