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Gravely Pro 150 - Battery Setup and Jump Starting; Initial Battery Setup; Jump Starting Procedure

Gravely Pro 150
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GB - 16
1. Put unit into service position.
2. Disconnect negative () cable rst, then positive
(+) cable.
3. Remove hold down and remove battery.
4. Place battery on bench or other well-ventilated
place where electrolyte spill will not create
damage.
5. Initial Battery Setup - Remove caps and ll each
cell to level indicated with electrolyte at 1.230±
specic gravity and 80°F (27°C).
Let battery stand for thirty minutes.
Check electrolyte level and add more if
necessary.
6. Connect positive (+) lead of charger to positive
(+) terminal, and negative () lead to negative ()
terminal.
7. Charge the battery at two and a half amps for ten
hours or until all cells are gassing freely and the
specic gravity is constant over three 30 minute
intervals.
8. Immediately after charging, check electrolyte
level. If low, add distilled water to bring cell up to
required level.
9. Replace caps nger tight.
10. Wash off and dry battery.
11. Reinstall battery into unit and connect positive (+)
cable rst, then negative () cable.
Jump Start
It may be possible to recharge the battery by jump
starting the unit and allowing the engine to run. The
unit used for jump starting should have a 12 volt battery
with at least 500 cold cranking amperes, and a
negatively grounded system.
1. Ensure battery is not frozen. If the uid is frozen,
remove battery from unit and allow it to thaw
before charging.
2. Connect the positive (+) jumper cable to the
positive terminal of the discharged battery.
3. Connect the other end of the same jumper cable
to the positive (+) terminal of the booster battery.
4. Connect one end of the second jumper cable to
the negative () terminal of the booster battery.
5. Make the nal jumper cable connection to the
engine block or the furthest ground point away
from the discharged battery.
6. Start engine (refer to Operation Section). If
engine will not start after several tries, unit or
battery may need service.
7. After engine starts, leave cables connected for
one to two minutes.
8. Disconnect cables in reverse order.
9. Operate unit normally to charge battery.
1. Positive terminal
2. Negative terminal
3. Battery
2
1
3
OF1670
WARNING: Make sure cables are clear of
any moving engine parts before starting
engine.

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