WIRE MAY BE OPEN FROM MAIN POWER SOURCE TO FORWARD SIDE OF STARTER (CONT)

TM 9-4910-387-14-2

6-2. TROUBLESHOOTING (cont)

A. WIRE MAY BE OPEN FROM MAIN POWER SOURCE TO FORWARD

B. FORWARD-OFF-REVERSE

SIDE OF STARTER. (cont)

SWITCH MAY BE DEFECTIVE.

NOTE

If the main drive motor

4. Check for continuity. If continuity does not exist, replace the wire (p 6-219).

starts when the FOR-

WARD-OFF-REVERSE

5. If main drive motor fails to start, proceed to step B.

switch is in REVERSE po-

sition, this shows that the

greatest portion of the

starting circuit is func-

tional.

1. Place the FORWARD-OFF-REVERSE switch in the REVERSE

position. Push START button. If main drive motor fails to start,

place the FORWARD-OFF-REVERSE switch back to FORWARD

position.

2. Connect one multimeter lead to FORWARD-OFF-REVERSE switch

contact (1) and connect other lead to FORWARD-OFFREVERSE

switch contact (2). FORWARD-OFF-REVERSE switch is normally

open (N/O).

3. Check for continuity. If continuity does not exist, replace the

FORWARD-OFF-REVERSE switch (p 6-219).

4. If main drive motor fails to start, proceed to step C.

6-14

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