TM-9-2320-272-23-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-1 - Page 1052 of 1313
VEHICLE PULLS RIGHT OR LEFT WHEN APPLYING BRAKES - Continued
STEP
6.
ARE FRONT SERVICE BRAKES PROPERLY ADJUSTED?
NOTE
Clearance should be between 0.020 to 0.040 in. (0.508 to 1.016 mm).
Check front service brake clearance between brakeshoe lining and drum (Volume 3, WP
0432).
T0864DAA
ADJUSTING HOLE
COVER
ADJUSTING
HOLE
ADJUSTING
STAR WHEEL
Figure 5.
Service Brake Adjustment.
CONDITION/INDICATION
ARE FRONT SERVICE BRAKES PROPERLY ADJUSTED?
DECISION
NO - Adjust front service brakes as necessary (Volume 3, WP
0432). Go to Step (7) to verify problem is solved.
YES - Perform Vehicle Wanders Or Pulls To One Side troubleshooting (WP
0053).
TM 9-2320-272-23-1
0121
0121-7
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