TM 5-3825-226-24problem is in the motor. The motor must be removedfor further testing. No reading on the voltmeter showsthat the solenoid contacts do not close. This is anindication of the need for repair to the solenoid or anadjustment to be made to the starterIf the solenoid for the starting motor will notoperate, it is possible that the current from the battery isnot getting to the solenoid. Fasten one lead of thevoltmeter to the connection (terminal) for the batterycable on the solenoid. Put the other lead to a goodground. No voltmeter reading shows there is a brokencircuit from the battery. Further testing is necessarywhen there is a reading on the voltmeter.Further test by fastening one voltmeter lead tothe connection (terminal) for the small wire at thesolenoid and the other lead to the ground. Look at thevoltmeter and activate the starter solenoid. A voltmeterreading shows that the problem is in the solenoid. Novoltmeter reading shows that the problem is in thestarter switch or wiring. Fasten one lead of thevoltmeter to the battery wire connection of the starterswitch and put the other lead to a good ground. Avoltmeter reading indicates a failure in the switch.A starting motor that operates too slow can havean overload because of too much friction in the enginebeing started. Slow operation of the starting motor canalso be caused by shorts, loose connections, and/or dirtin the motor.Pinion Clearance AdjustmentWhenever the solenoid is installed, make anadjustment of the pinion clearance. The adjustment canbe made with the starting motor removed.1.Install the solenoid without connector (I) fromthe MOTOR connection (terminal) on solenoidto the motor.2.Connect a battery, of the same voltage as thesolenoid, to the terminal (2), "SW".3.Connect the other side of battery to groundterminal (3).CONNECTION FOR CHECK1ING PINIONCLEARANCE1. Connector from MOTOR terminal on solenoid tomotor. 2. SW terminal. 3. Ground terminal.4. Connect for a moment, a wire from the solenoidconnection (terminal) "MOTOR" to the groundconnection (terminal). The pinion will shift to crankposition and will stay there until the battery isdisconnected.PINION CLEARANCE ADJUSTMENT4. Shaft nut. 5. Pinion. 6. Pinion clearance.5.Push the pinion toward commutator end toremove free movement.6.See SPECIFICATIONS for the correct Delco-Remy pinion clearance.7.Pinion clearance adjustment is made byremoving plug and turning nut (4).2-78
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