TM-9-2350-273-BD M60 M48 Battle Damage Assessment and Repair Download
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TM 9-2350-273-BD BRAKES SECTION II. Brake BDAR 8-4. General. The service brakes are actuated by a master cylinder and two slave cylinders. Cylinder leakage and internal corrosion are the most common modes of failure. Several methods are available to regain the use of the brakes if repair parts are not available. 8-5. BRAKE MASTER CYLINDER FAILURE General Information Master cylinder failure will degrade the stopping capability of the tank. The master cylinder should be replaced with a new or substitute item. A 5-ton truck master cylinder is physically the same on the outside. The internal fluid return ports are different but the bore diameter is the same. The piston cups are the same as those on M48/M60. Limitations ● None Personnel/Time Required ● 1 soldier ● 2 hours Materials/Took ● Repair kit for master cylinder ● A 5-ton truck master cylinder Other Options ● Disassemble master cylinder and clean. ● Use hills to slow or stop tank. ● Brush against other objects, trees, earth banks, to slow or stop the tank. ● Use neutral and steer to brake the vehicle. Procedural Steps NOTE Bleed brake system after performing brake work. Option 1: 1. Remove unserviceable master cylinder. 2. Remove master cylinder from bracket. 3. Insert new cups into the master cylinder from a repair kit if one is available or use 5-ton master cylinder cups. 8-3