Slack Adjuster (M129A4 Only)

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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

4-51. Slack Adjuster (M129A4 Only)

This task covers:

a. Removal

b. Cleaning

c. Inspection

d. Installation

e. Adjustment

Initial Setup:

Tools/Test Equipment:

EquipmentConditions:

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

Clevisinstallationgage(AppendixG)

Dust cover removed.

Snap ring pliers (item 1, Appendix B)

Measuring device (up to 12 in)

Materials/Supplies:

Drycleaningsolvent(item3,AppendixE)

Brush (item 15, Appendix E)

Enamel(item20,AppendixE)

WARNING

To avoid injury to personnel or damage to equipment, make sure brakes are caged prior to performing

maintenance on slack adjusters.

a. Removal

1. Loosen locknut (1).

2. Back off slack adjuster nut (2) until it separates from

slack adjuster (3).

3. Turn adjusting screw (4) counterclockwise to release

tension on slack adjuster (3).

4. Remove clevis pins (5).

6, 7

5. Using snap ring pliers, remove snap ring (6) and flat

washer (7) from air chamber shaft (8).

6. Slide slack adjuster (3) off air chamber shaft (8).

NOTE

Inner nut (9) may slide off air chamber shaft (8) when slack adjuster (3) is removed. If this happens,

slide inner nut (9) on air chamber shaft (8).

7. Remove slack adjuster nut (2).