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When starting from another machine, make sure that the machines do not touch. This can prevent damage to engine bearings and electrical circuits. Turn on (close) the battery disconnect switch prior to the boost connection to prevent damage to electrical components on the stalled machine. Severely discharged maintenance free batteries do not fully recharge from the alternator after jump starting. The batteries must be charged to proper voltage with a battery charger. Many batteries thought to be unusable are still rechargeable. This machine has a 24 volt starting system. Use only the same voltage for jump starting. Use of a higher voltage damages the electrical system. |
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| Illustration 1 | g02547642 |
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Engine auxiliary start receptacle | |
The engine auxiliary start receptacle is located on the right-hand side of the machine near the center hitch above the fast fill service center.
Some Cat products may be equipped with an auxiliary start receptacle. All other machines can be equipped with an auxiliary start receptacle from parts service. Then, a permanent receptacle is always available for jump starting.
There are two cable assemblies that can be used to jump-start the stalled machine. You can jump-start the machine from another machine that is equipped with an auxiliary start receptacle or you can use an auxiliary power pack. Your Cat dealer can provide the correct cable lengths for your application.
- Place the transmission control on the stalled machine in the NEUTRAL position. Engage the parking brake. Lower the implement to the ground. Move all controls to the HOLD position.
- On a stalled machine, turn the engine start switch to the OFF position. Turn off the accessories.
- On a stalled machine, turn the battery disconnect switch to the ON position.
- Move the machine or the auxiliary power source close to the stalled machine so that the cables can reach. DO NOT ALLOW THE MACHINE OR THE AUXILIARY POWER SOURCE TO CONTACT THE STALLED MACHINE.
- Stop the engine on the machine that is the electrical source. (If you are using an auxiliary power source, turn off the charging system.)
- On the stalled machine, connect the appropriate cable to the auxiliary start receptacle.
- Connect the other end of this cable to the auxiliary start receptacle of the electrical source.
- Start the engine of the machine that is the electrical source. (If you are using an auxiliary power source, energize the charging system on the auxiliary power source.)
- Allow the electrical source to charge the batteries for 2 minutes.
- Attempt to start the stalled engine. Refer to Operation and Maintenance Manual, "Engine Starting".
- Immediately after the stalled engine starts, disconnect the cable from the electrical source.
- Disconnect the other end of this cable from the stalled machine.
- Conclude with a failure analysis on the starting charging system of the stalled machine, as required. Check the machine when the engine is running and the charging system is in operation.