TM  10-3930-643-34 GENERAL  SUPPORT  BRAKE  MAINTENANCE. 17-1. Power Cluster (S/N 2000 and below and 2904 and above). (Sheet 2 of 7) DISASSEMBLY 1. 2. 3. 4. 5. 6. 7. 8. Using a 3/4” open end wrench, remove four studs (1). Separate master cylinder (2) and support (11). Using a 1/2” open end wrench, remove fitting (3) and gasket (4). Discard gasket (4). Using a small flat tip screwdriver, remove and discard sealing band (5). Using a 3/8” open end wrench, remove , bleeder valve (6). Using a 9/16” socket and socket wrench handle, remove stroke indicator (7), lock washer (8), three bolts (9), lock washers (10) and support (11). Using a 5/8” open end wrench, remove breather (12). Using a 9/16”   open end wrench, remove switch (13). Go to sheet 3 17-3