TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
Page 496 of 870
TM 9-2350-247-20-1 M3 HEATER DOES NOT WORK (M548A3)—Continued 0104 00 EY 1. Measure voltage from bus bar (1) to circuit output lead (2) on circuit breaker (3). 2. Does multimeter read 17 or more volts? YES NO EYN 1. Replace circuit breaker (WP 0530 00). 2. Verify no faults found. 2EY 1. Replace relay (WP 0530 00). 2. Verify no faults found. 0104 00-6