173 S450 Operation & Maintenance Manual
ELECTRICAL SYSTEM (CONT’D)
Using A Booster Battery (Jump Starting)
If the engine will not start without using a booster battery,
BE CAREFUL! There must be one person in the
operator’s seat and one person to connect and
disconnect the battery cables.
The key switch must be in the STOP position. The
booster battery must be 12 volt.
BATTERY GAS CAN EXPLODE AND CAUSE
SERIOUS INJURY OR DEATH
Keep arcs, sparks, flames and lighted tobacco away
from batteries. When jumping from booster battery
make final connection (negative) at machine frame.
Do not jump start or charge a frozen or damaged
battery. Warm battery to 16°C (60°F) before
connecting to a charger. Unplug charger before
connecting or disconnecting cables to battery. Never
lean over battery while boosting, testing or charging.
W-2066-0910
Open the rear door.
Figure 237
Connect the end of the first cable (Item 1) to the positive
(+) terminal of the booster battery. Connect the other end
of the same cable (Item 2) [Figure 237] to the positive
(+) terminal on the engine starter.
Connect the end of the second cable (Item 3) to the
negative (-) terminal of the booster battery. Connect the
other end of the same cable (Item 4) [Figure 237] to the
engine.
Keep cables away from moving parts. Start the engine.
(See STARTING THE ENGINE on Page 98.)
After the engine has started, remove the negative (-)
cable (Item 4) first. Remove the cable from the positive
(+) terminal (Item 2) [Figure 237].
Remove the cables from the booster battery.
Close the rear door.
Damage to the alternator can occur if:
• Engine is operated with battery cables
disconnected.
• Battery cables are connected when using a fast
charger or when welding on the loader. (Remove
both cables from the battery.)
• Extra battery cables (booster cables) are
connected wrong.
I-2023-1285
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