Rear Relay Valve

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TM-9-2330-380-14-P Semitrailer Van: Electronic Tactical 12-Ton 4-Wheel XM1063 (NSN 2330-01-224-9244) and M129A4 (NSN 2330-01-372-5642) Manual

Cleaning and inspection

TM 9-2330-380-14&P

4-43. Front Relay Valve (cont'd)

f. Installation

NOTE

Apply teflon tape (item 12, Appendix E) to threads of air line connections before installation.

1. Install nipple (8) at rear of relay valve.

2. Install relay valve to reservoir by turning entire

assembly clockwise.

3. Install two elbows (5) and two male connectors

(6).

4. Connect input line (3) and output lines (4) to

elbows (5) and connectors (6).

5. Close all drain cocks (1) and pressurize air

brake system.

6. Check for leaks (para. 4-39b).

4-44. Rear Relay Valve

This task covers:

a. Removal

b. Cleaning and inspection

c. Installation

Initial Setup:

Tools/Test Equipment:

EquipmentConditions:

Operating test performed (para. 4-43a).

Materials/ Supplies:

Leakage test performed (para. 4-43b).

Drycleaningsolvent(item3,AppendixE)

All drain cocks open (para. 4-46).

Teflon tape (item 12, Appendix E)

Brush (item 15, Appendix E)

a. Removal

1. Disconnect input line (3) from male

connector (6) and two output lines (4)

from elbows (5).

2. Remove two elbows (5) and male

connector (6).

3. Remove relay valve (7) by turning

entire valve assembly counterclockwise.

4. Remove nipple (8).

4-70