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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

Adjustment

TM 9-2330-380-14&P

4-51. Slack Adjuster (M129A4 Only) (cont'd)

b. Cleaning

1. Remove surface dirt with water and brush (item 3, Appendix E).

WARNING

Dry cleaning solvent (P-D-680) is toxic and flammable. Avoid prolonged breathing of vapors. Avoid

skin contact. Use only in a well-ventilated area. Keep away from open flame. Flash point of solvent

is 138o F (50o C).

2. Remove grease and oil with dry cleaning solvent (item 3, Appendix E). Dry thoroughly.

3. Lubricate in accordance with Appendix I, Lubrication Instructions.

c. Inspection

1. Inspect for damage and condition of splines. Replace defective or missing parts.

2. Inspect for rust, corrosion or marred finish. Repaint as required (item 20, Appendix E).

d. Installation

1. Set locknut (1) 5-1/4 inches (13.34 cm) from air chamber.

NOTE

Slack adjuster nut (2) and inner nut (9) are installed on new

slack adjuster. They must be removed prior to the installation

of the new slack adjuster.

2. Slide slack adjuster nut (2) and inner nut (9) onto air chamber

shaft (8) until they meet locknut (1).

3. Install slack adjuster (3) onto air chamber shaft (8).

4. Install flat washer (7) and snap ring (6).

5 1/4"

NOTE

Turn adjusting screw (4) clockwise to align clevis (10) and air

chamber shaft (8).

5. Using adjusting screw (4), align clevis (10) and air chamber

shaft (8).

6. Turn slack adjuster nut (2) counterclockwise until hand tight.

7. Tighten locknut (1).

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