TM 9-2330-390-14&P4-57. BRAKESHOE REPLACEMENT.This Task Covers:a.Removalb. Cleaning and InspectionC.Installation/nitia/ Setup:Equipment Conditions:• Hub and brakedrum removed (see paragraph 4-75).Materials/Parts:• Rags (Item 25, Appendix F)Tools/Teat Equipment:• General mechanic’s tool kit (Item 30, Appendix G)• Brake repair pliers (Item 21, Appendix G)a. REMOVAL1.turn starwheel (9) at each adjusting bolt (8) clockwise until adjusting plungers are fully retracted in plungerhousing (10).2.Remove two return springs (6) from brakeshoes (1 and 7).CAUTIONUse caution not to damage wedge brake components when removing brakeshoesfrom spider assembly.3.Remove brakeshoes (1 and 7) from spider assembly (4).b.CLEANING AND INSPECTION1.2.Clean all parts with rags and a brush.inspect brakeshoes for cracks, looseness of linings or rivets, and wear. If linings are worn flat on wear notch (3)in middle of lining, a thickness equal to or less than 5/16 in. (7.94 mm), replace brakeshoes.NOTEIf brakeshoes are replaced, new return springs MUST be Installed.3.Inspect return springs for distortion or other damage.4-124
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