TM-9-2520-238-34 Direct Support for M113 Family Major Assemblies Download
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TM 9-2520-238-34 REPAIR HYDRAULIC MASTER BRAKE CYLINDER — Continued 0031 00 ASSEMBLY 1. Install new secondary cup (16) and secondary cup (15) on low pressure piston (11). 2. Install low pressure piston (11), primary spring (13), spring retainer (12), secondary spring (14), and new gasket (9) in housing (10). 3. Install new primary cup (8) on high pressure piston (7). 4. Push low pressure piston (11) forward 1 1/2 inches (3.8 cm) from pushrod end, using screwdriver or similar tool. 5. Maintain spring pressure and insert piston into housing (10) until base of piston sits on gasket (9). 6. Release spring pressure and, at the same time, apply sufficient pressure to base of high pressure piston (7) to prevent primary cup (8) from unseating. 0031 00-5