ADJUSTMENT - TM-9-2330-331-14-P0206

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CLEANING AND INSPECTION

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TM-9-2330-331-14-P Semitrailer Flatbed: Break Bulk/Container Transporter 34 Ton M872A4 (NSN 2330-01-497-0706) (LIN S70159) Manual

Figure 2. Slack Adjuster Adjustment

TM 9-2330-331-14&P

0038 00

AUTOMATIC SLACK ADJUSTERS REPLACEMENT - Continued

ADJUSTMENT

NOTE

Air brake system should be fully charged prior to adjustment.

1. Raise axle until wheels clear ground. Rotate manual adjustment hex (4) clockwise until brake

linings are snug against brakedrum.

NOTE

More torque is required to rotate manual adjustment hex counterclockwise than

is necessary to rotate it clockwise. Torque may be as high as 70 lb-ft (94.9 Nm).

2. Turn manual adjustment hex (4) counterclockwise 1/2 turn.

3. Apply 90 to 95 psi (621 to 655 kPa) air pressure from towing vehicle air gage. Make and hold a full

brake application. Measure push-rod (1) stroke. Maximum stroke is 2 in. (5.1 cm). If stroke exceeds

2-in. (5.1-cm) limit, inspect all brake system components for serviceability.

4. Tighten nut (2) on mounting bracket (3).