TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 PERSONNEL HEATER MALFUNCTIONS—Continued 0086 00 EY 1. Remove harness 10942956 plug (1) from heater control jack (2). 2. Measure voltage between heater control jack (2), pin A (3), and ground, withHEATER switch on START. 3. Does multimeter read 17 volts or more? YES NO GO TO FY (PAGE 0086 00-9) E2Y 1. Install harness 10942956 on heater control box jack. 2. Remove harness 10942956 plug (1) from heater fuel pump jack (2). 3. Measure voltage between harness 10942956, plug (1) pin, and ground, withHEATER switch on START. 4. Does multimeter read 17 volts or more? YES NO E2YN 1. Replace harness 10942956 circuit 402. 2. Verify no faults found. E3Y 1. Replace heater fuel pump (WP 0695 00, WP 0696 00, or WP 0697 00). 2. Verify no faults found. 0086 00-8 Change 1