TM-9-2350-277-20-3 Unit Maintenance Manual Volume 3 M113A3 M577A3 M1064A3 M1068A3 M58 Download
Page 327 of 962
TM 9-2350-277-20-3 REPLACE PARKING BRAKE SWITCH/BRACKET — Continued 0331 00 CLEANING CLEANING AND INSPECTION 1. Clean switch with dry rag. 2. Clean switch with cleaning compound. 3. Check circuit 370 lead and ground lead for continuity with switch plunger depressed. If test indicates open circuit, replace defective switch. 4. Check circuit 367 lead and 366A lead for continuity with switch plunger released. If test indicates open circuit, replace defective switch. INSTALLATION NOTE Do Step 1 if bracket was removed. 1. Install bracket (1) on hull. Secure with one screw (2), two washers (3), and new locknut (4). Tighten screw. 2. Install switch (5) on bracket (1). Secure with lockwasher (6) and jamnut (7). Do not tighten nut. 3. Connect three plugs (8) on switch (5) to wiring harness (9) leads 366A, 367, and 370. Make sure lead numbers match. 4. Install switch ground lead (10) on bracket (1). Secure with other screw (2), two washers (3), and new locknut (4). Tighten screw. 0331 00-3