Maintenance
7.27 Engine—Jump-starting
100
Operator’s Manual | SM100 | 5100064108 | 08/2022 | [en-US]
NOTICE
Observe the following precautions to prevent serious damage to the electri-
cal system.
► Jump-starting a shorted or defective battery will cause the voltage regu-
lator to supply higher than normal voltage. This can severely damage
the digital electronics that control machine operation. If there is any
doubt as to the battery’s condition, a replacement battery should be
used or an attempt should be made to charge the battery before starting
the machine.
► Do not connect the negative clamp to a carburetor, fuel lines, or sheet
metal body parts.
► Do not attempt to operate the machine without a battery.
► Dispose of waste batteries in accordance with local environmental regu-
lations.
NOTICE
Extreme cold can cause the electrolytes inside the battery to freeze. At-
tempting to jump-start a frozen battery can cause it to rupture.
► When possible, do not allow the battery to sit in extreme cold.
► Slowly warm a frozen battery before trying to jump-start it.
NOTICE
Long cranking cycles can damage the starter.
► Do not crank the starter for more than 15 seconds.
► Wait 30 seconds before trying to crank the starter again so the battery
can recover and the starter does not become overheated.
Overview
Jump-starting may occasionally be required if a battery is discharged. If
jump-starting is needed, the following procedure is recommended to prevent
starter damage, battery damage, and personal injuries.
Procedure
There are two procedures listed below. The first is for jump-starting a ma-
chine using another machine. The second is for jump-starting a machine
with a jump pack.
Jump-starting the battery with another machine
1. In very cold weather, check the condition of the electrolytes. If it seems
slushy or frozen, do not try jump-starting until it thaws.
2. Ensure all controls are in neutral and that the key switch is off.
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