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 LEFT REAR UTILITY OUTLET/BLOWER DOES NOT WORK (M577A3 AND M1068A3 ONLY)—Continued 0043 00 CY 1. Turn BLOWER SWITCH to OFF. 2. Remove circuit 59 plug (1) from blower motor jack (2). 3. Turn BLOWER SWITCH to ON. 4. Measure voltage between circuit 59 plug (1) and ground. 5. Does multimeter read less than 17 volts? YES NO CYN 1. Replace blower motor (WP 0383 00). 2. Verify no faults found. C2Y 1. Turn MASTER SWITCH to OFF. 2. Install a jumper wire between circuit 59 plug at blower motor and ground. 3. Remove eight nuts (1), washers (2), and screws (3) from master switch panel (4) and distribution box (5). Pull panel away from distribution box. 4. Remove circuit 59 plugs (6) from blower switch (7). 5. Check for continuity between circuit 59 plugs (6). 6. Does multimeter read 0 ohms? YES NO C2YN 1. Replace blower switch (WP 0278 00). 2. Install master switch panel on distribution box. 3. Verify no faults found. 0043 00-4