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Ensure that the machine that is used as an electrical source does not touch the stalled machine. This could prevent damage to engine bearings and electrical circuits. Turn on the disconnect switch on the electrical source. This will help to prevent damage to electrical components on the stalled machine. This machine has a 24 volt starting system. Use only equal voltage for jump starting. Use of a higher voltage will damage the electrical system. Severely discharged maintenance free batteries will not fully recharge from the alternator alone after you jump start the machine. The batteries must be charged to the proper voltage with a battery charger. Many batteries that are considered to be unusable can still be recharged. Refer to Special Instruction, SEHS7633, "Battery Test Procedure" for complete information about testing and about charging. This document is available from your Caterpillar dealer. |
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In order to jump start this machine, a jump start receptacle must be used. Failure to do so could cause damage to the electrical system of the machine. |
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| Illustration 1 | g02642196 |
The auxiliary start receptacle is inside the access door on the right side of the machine. The receptacle is located toward the bottom of the access area.
There are two cable assemblies that can be used to jump-start the stalled machine. You can jump-start the stalled machine from another machine that is equipped with an auxiliary start receptacle or with an auxiliary power pack. Your Caterpillar dealer can provide the correct cable lengths for your application.
- Engage the parking brake. Lower all work tools to the ground.
- Turn the start switch key on the stalled machine to the OFF position. Turn off all accessories.
- Turn the battery disconnect switch on the stalled machine to the ON position.
- Move the machine that is being used as a power source close to the stalled machine. The jump-start cables should reach the auxiliary start receptacle of the stalled machine and the auxiliary start receptacle of the machine that is being used as the power source. DO NOT ALLOW THE MACHINES TO CONTACT EACH OTHER.
- Stop the engine on the machine that is being used as a power source. If you use an auxiliary power source, turn off the charging system.
- Connect the appropriate jump-start cable to the auxiliary start receptacle on the stalled machine.
- Connect the other end of the jump-start cable to the auxiliary start receptacle of the machine that is being used as a power source.
- Start the engine on the machine that is being used as a power source or energize the charging system on the auxiliary power source.
- Allow the machine that is being used as a power source to charge the batteries for 2 minutes.
- Attempt to start the stalled engine.
- Immediately after the stalled engine starts, disconnect the jump-start cable from the power source.
- Disconnect the other end of the jump-start cable from the stalled machine.