Ratio 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

TM 9-2330-380-14&P

4-45. Ratio Relay Valve

This task covers:

a. Removal

b. Cleaning

c. Inspection

d. Installation

Initial Setup:

Tools/Test Equipment:

EquipmentConditions:

General mechanic's tool kit (item 01, Appendix B)

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

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

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

Materials/Supplies:

Drycleaningsolvent(item3,AppendixE)

Teflon tape (item 12, Appendix E)

Brush (item 15, Appendix E)

a. Removal

1. Disconnect eight air lines (3). Tag lines with port identification.

2. Remove two elbows (4), two male connectors (5) and tee (6).

3. Remove ratio relay valve (7) by turning entire valve assembly counterclockwise.

4. Remove nipple (8).

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