TM 9-4120-385-14
b.
INSTALLATION.
1.
Secure L1 (5) with four screws (1), two lockwashers (4), and bracket (2).
2.
Secure L2 (10) with two screws (8) and lockwashers (9) to mounting bracket.
3.
Install mounting bracket.
4. Wrap wet rags around solenoid valves and quench valve to act as a heat sink
during brazing.
5.
Nitrogen purge. Refer to Paragraph 5-6.
6.
Braze solenoid valves to tubing.
7.
Connect electrical leads.
8.
Install screw and clamp for pressure regulator.
9.
Replace dehydrator. Refer to Paragraph 5-22.
10. Perform leak test. Refer to Paragraph 5-3.
11. Evacuate system. Refer to Paragraph 5-7.
12. Charge system with refrigerant. Refer to Paragraph 5-8.
13. Install junction box and control panel and tighten four captive screws.
14. Install lower panel and tighten two panel fasteners.
15. Install top panel and secure with 11 screws and rain seal washers.
16. Install access cover and secure with two screws.
17. Install canvas cover and secure with 16 screws and rain seal washers.
5-17. PRESSURE REGULATOR VALVE
a . INSPECTION. See Figure 5-20.
5-62
