TM 5-3805-260-24BRAKE HEAD ASSEMBLIES5. Remove the eight bolts that hold the brake head assemblyto the axle housing.NOTE: The center two bolts can not be removed completelybecause of the clearance between the brake head assemblyand the brake line guard. Remove these bolts with the brakehead assembly.6. Remove the brake head assembly. Weight of the brakehead assembly is 90 lb. (41 kg).CAUTION: The two anchor pins and brake linings are free tofall out of the brake head assembly and must be held inposition.INSTALL BRAKE HEAD ASSEMBLIESTools NeededA8S7640Stand18S7611Tube18S7615Pin18S8048Saddle11. Fasten a hoist to the brake head assembly with two 3/8"-16 NC forged eyebolts.2. Put two of the bolts that hold the brake head assembly tothe axle housing in the center two holes of the brakehead assembly bracket.CAUTION: Make sure the two anchor pins and brake liningsare held in position when the brake head assembly isinstalled.3. Put the brake head assembly in position on the machineand tighten the bolts to a torque of 225 25 lb.ft. (300 35 N.m).4. Remove the forged eyebolts and hoist from the brakehead assembly.5. Push the anchor pins into the brake head assembly. Makesure there is .010 in. (0.25 mm) or more distancebetween the anchor pins and wheel disc. Install the twobolts to hold the anchor pins.6. Connect the brake line to the brake head assembly.7. Remove (bleed) the air from the hydraulic brake system.See AIR REMOVAL FROM BRAKES in TESTING ANDADJUSTING.8. Remove tooling (A). Put into position the hydraulic jackused to lift the machine for tire installation.end by:a) install rim and tire (tractor or scraper)3-287
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