Figure 3-9. Starter, on-equipment testing

TM10-3930-634-34

1. DETERMINE THAT BATTERIES ARE FULLY CHARGED AND THAT ALL BATTERY AND STARTER

CABLES ARE SERVICEABLE AND PROPERLY INSTALLED.

2. CONNECT A MULTIMETER AS SHOWN IN BABOVE. CHECK THE CONTINUITY OF THE SOLENOID

WITH THE MULTIMETER IN THE UNIT (R-1) POSITION. A GOOD SOLENOID WILL INDICATE

APPROXIMATELY 1.2 OHM RESISTANCE.

3. INSTALL THE SOLENOID-TO-STARTER CONNECTOR.

4. CONNECT VOLTMETER AS SHOWN IN C ABOVE. IF BATTERY VOLTAGE (24 VOLTS) IS NOT

INDICATED, THE STARTER IS DEFECTIVE AND MUST BE REPLACED.

5. MOMENTARILY CONNECT A JUMPER AS SHOWN IN D ABOVE. THE VOLTMETER READING SHOULD

DROP TO ZERO AND STARTER SHOULD CRANK ENGINE. IF VOLTMETER READING DOES NOT DROP

TO ZERO, STARTER SOLENOID SWITCH IS DEFECTIVE AND MUST BE REPLACED. IF VOLTMETER

READING DROPS TO ZERO BUT STARTER FAILS TO CRANK ENGINE, STARTER IS DEFECTIVE

AND MUST BE REPLACED.

TA032035

Figure 3-9. Starter, on-equipment testing

3-13