Table 4-2. Unit Troubleshooting-continued -706880204

TM 5-4210-233-14&P-1

Table 4-2.

Unit Troubleshooting-Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ELECTRICAL SYSTEM-IGNITION CIRCUITS-Continued

ETHER STARTING AID DOES NOT OPERATE

(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 3 of 16.)

Step 1. Ensure that starter motor is engaged while attempting to use ether starting aid.

Engage starter motor.

NOTE

If starter motor will not engage, refer to "engine starter

motor does not operate" troubleshooting procedure.

Step 2. Check solenoid valve.

Replace valve (see para 4-9.4).

Step 3. Check panel switch for proper operation.

Replace switch (see para 4-9.4).

Step 4. Check wiring for continuity.

Replace wire (see para 4-9.4).

ALL CAB ELECTRIC INSTRUMENTS DO NOT OPERATE

(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 2 of 16.)

Step 1. Check for +12V at circuit breaker #1 on ignition accessory buss.

Replace breaker (see para 4-99).

Step 2. Refer to "+12 volts not present at ignition accessory buss" troubleshooting procedure.

Step 3. Check wiring for continuity.

Replace wire (see para 4-9.4).

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