TM 9-2330-390-14&P4-59. MINOR BRAKE ADJUSTMENT.This Task Covers: AdjustmentInitial Setup:Tools/Test Equipment:• General mechanic’s tool kit (Item 30, Appendix G)• Hydraulic jack, 12 ton (Item 17, Appendix G)• Trestle (Item 32, Appendix G)NOTEDolly set hydraulic lifting system may be used Instead of a hydraulic jack to raise dollyset wheels off ground (see paragraph 2-21).ADJUSTMENT1.Chock wheel on side not being adjusted.2.Raise dolly set on side to be adjusted until wheel is off ground. Support dolly set in raised position with trestle.3.Insert feeler gage into access slots (3) in top andbottom dust shields (2). Check brakeshoelining-to-brakedrum clearance at top of eachbrakeshoe. Total clearance for both brakeshoesshould not exceed 0.090 in. (2.3 mm). Individualbrakeshoe clearance should not exceed 0.050 in.(1.3 mm) across width of shoe.4.5.If clearances measured in step 3 are as speci-fied, brakes are properly adjusted. If clearancesare not within specification, proceed to step 5.Remove plug from access slot (1). Insert long,thin screwdriver into access slot until it contactsstarwheel on adjusting bolt. Turn starwheel coun-terclockwise to reduce clearance or clockwise toincrease clearance.6.Repeat step 3. If clearance is within specifica-tion, install plug in access slot (1).7.Repeat steps 5 and 6 to adjust for correct clearance on other brakeshoe on same wheel.8.Rotate brakedrum one full turn by hand. If drag is apparent, repeat steps 5 through 7.9.Repeat steps 1 through 7 for other wheels.10.Remove trestle and lower dolly set wheel to ground.4-130
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
