TM-9-2350-277-20-5 Unit Maintenance Manual Volume 5 M113A3 M577A3 M1064A3 M1068A3 M58 Download
Page 286 of 928
TM 9-2350-277-20-5 REPAIR PERSONNEL HEATER CONTROL BOX — Continued 0702 00 5. Remove receptacle (13) from control box. (14). a. Remove three screws (1), lockwashers (2), lead 14-A (3), lead 20-C (4), and lead 19-E (5) from RUN-OFF-START switch (6). b. Remove screw (7), lockwasher (8), and lead 17-D (9) from circuit breaker (10). c. Remove four screws (11), lockwashers (12), and receptacle (13) from control box (14). Discard lockwashers. d. Remove screw (15), lockwasher (16), and lead 12-B (17) from HI-LO switch (18). REPAIR OR REPLACEMENT 1. Check circuit breaker. See troubleshooting (WP 0086 00). Replace bad circuit breaker. 2. Check indicator light assembly and bulb. See troubleshooting (WP 0086 00). Replace bad light or bulb. 3. Check RUN-OFF-START switch and HI-LO switch. See troubleshooting (WP 0086 00). Replace bad switch. 4. Check receptacle for continuity from pins to lead ends. Replace damaged terminal lugs (WP 0382 00). If pins are damaged, notify supervisor. 0702 00-4