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 0014 01--9 Change 2 YES NO 1. Stop your engine (see your -10). 2. Disconnect battery ground strap (WP 0337 00 or WP 0338 00). 3. See wiring diagram (WP 0014 01 -10). 4. Check continuity of the following connections: P1(A) to Battery ground 7 P1(B) to P4(A) and E3 P1(C) to P4(B) P1(E) to Battery 6 and E4, P3, P2(S) P2(D) to P5(A) P2(E) to P5(B) P2(G) to P6(A) P2(H) to P6(B) P2(R) to P3 5. Do all checks read zero? 1. Replace variable speed fan drive harness. (WP 0359 01). 2. Verify no faults found. CY CYN YES NO 1. Stop engine (see your -10). 2. Install jumper wire on wiring harness (P/N 12474786) engine running switch plug (P3) between sockets (2) and (3). 3. Start engine (see your -10). 4. Engage variable speed fan drive manual override switch (see your -10). 5. Does fan rotate? 1. Replace variable speed fan drive (WP 0249 01). 2. Verify no faults found. C2Y C2YN 1. Replace engine running switch (WP 0321 01). 2. Verify no faults found. C3Y E O VERHEAT S ( NEW VSF D CONF IGURAT ION) - Co n t in u e d ENGIN 0014 01