Solenoid Assembly.

3-1040-279-12&P

4-16 EQUIPMENT CONTAINER ASSEMBLY (CONT).

a. Solenoid Assembly.

REMOVAL

1. Remove equipment container (P. 4-68).

2. Remove eight screws (1) and washers (2) from both left and right side equipment container panels

(3) and remove two equipment container panels (3).

3. Remove air pressure hose (4) from pressure switch bracket assembly (5).

4. Remove four screws (6), flat washers (7), and lock washers (8), securing pressure switch bracket

assembly (5) and disconnect purge air hose (9) from solenoid assembly (10).

5. Remove four screws (11), flat washers (12), and lock washers (13) securing solenoid assembly (10).

6. Tag and remove four solenoid wire leads from terminal board. See smoke generator wiring (P. 4-34).

7. Disconnect air supply hose (14) and start air hose (15) from solenoid assembly (10).

8. Remove solenoid assembly (10) from equipment container (16).

9. Disconnect air pressure hose (4) from solenoid assembly (10).

INSTALLATION

1. Attach air pressure hose (4) and purge air hose (9) to solenoid assembly (10).

2. Place solenoid assembly (10) in equipment container (16).

3. Install air supply hose (14) and start air hose (15) to solenoid assembly (10).

4. Run four solenoid wire leads under terminal bracket.

5. Attach one wire from each solenoid to position 18 on terminal board. Coat terminal board screw

threads with sealing compound before securing wire leads.

NOTE

TB12 is wired from right to left.

6. Attach start air solenoid wire lead to position 8 on terminal board and purge air solenoid wire

lead to position 9 on terminal board. Coat terminal board screw threads with sealing compound

before securing wire leads.