Make sure the wiring connections are clean, tight and not damaged. Check the battery voltage. Referto “ Batteries-Checking”. If the crankshaft was not rotated to check the starting motor, bar the crankshaft in the direction of engine rotation to make sure the engine is free and does not have an internal malfunction. If the engine… Read More »
Before troubleshooting the starting motor, make sure the battery terminals are not loose or corroded. Starting M otor Solenoid If the starting motor solenoid does not make an audible sound, check for loose wiring connections. Use a Digital Multimeter such as Part No. 3377161 to set the voltage scale. Check for system voltage at the… Read More »
Caution: Be sure the starting motor switch is in the “ OFF” position to prevent electrical shock and personal injury. Remove the wire connecting the starting motor switch to the magnetic switch (marked “ S ” or “ Start”) from the starting motor switch terminal. Connect the positive lead of Part No. 3376898 Digital Multimeter… Read More »
Caution: Be sure the starting motor switch is in the “ OFF” position to prevent electrical shock and personal injury. Remove the cable connecting the magnetic switch to the starting motor solenoid from the magnetic switch terminal. Connect the leads of Part No. 3376898 Digital Multimeter or equivalent to the two large switch terminals. Set… Read More »
Visually inspect the battery terminals for loose, broken, or corroded connections. Repair or replace broken cables or terminals. If the connections are corroded, remove the cables and use a battery brush to clean the cable and battery terminals. Install and tighten the battery cables. Use grease to coat the battery terminals to prevent corrosion.
Fill each battery cell with distilled water. Refer to the manufacturer s specifications. NOTE: Maintenance-free batteries are sealed and do not require the addition of water. If conventional batteries are used (now maintenance free), check the specific gravity of the battery electrolyte in each cell. All batteries, including maintenance free, can be checked by measuring… Read More »
The following special tools are recommended to perform procedures in Section 8. The use of these tools is shown in the appropriate procedure. These tools can be purchased from your local Cummins Authorized Repair Location.