© Mitsubishi Forklift Trucks 2013. All
© Mitsubishi Forklift Trucks 2013. All rights reserved.rights reserved. Revision: BRevision: B
Document ID: 615023Document ID: 615023
82 (244)82 (244)
PBV20N2 PBV20N2 Service Service ManualManual
7.47.4 Measuring the battery's specific gravityMeasuring the battery's specific gravity
Measure the specific gravity of the battery Measure the specific gravity of the battery fluid according to the manufacturer'sfluid according to the manufacturer's
instructions. The acid density of a fully instructions. The acid density of a fully charged battery is 1.28 to 1.30 at charged battery is 1.28 to 1.30 at +30°C. The+30°C. The
gravity is:gravity is:
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1.24 when the battery is 3/4 1.24 when the battery is 3/4 charged.charged.
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1.20 when the battery is 1/2 1.20 when the battery is 1/2 charged.charged.
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1.16 when the battery is 1/4 1.16 when the battery is 1/4 charged.charged.
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1.15 when the battery is empty. Charge the battery 1.15 when the battery is empty. Charge the battery immediatelyimmediately..
7.57.5
Replacing the batteryReplacing the battery
CAUTIONCAUTION
Always follow the manufacturer’s instructions when replacing the battery.Always follow the manufacturer’s instructions when replacing the battery.
When replacing the battery, use one wWhen replacing the battery, use one with similar dimensions and weight to maintain theith similar dimensions and weight to maintain the
stability and the braking properties of the truck. The stability and the braking properties of the truck. The battery’s minimum weight isbattery’s minimum weight is
indicated on the identification plate of the truck.indicated on the identification plate of the truck.
When reinstalling batteries, use the appropriate tools for moving, connecting andWhen reinstalling batteries, use the appropriate tools for moving, connecting and
fastening the battery securely. Do not keep fastening the battery securely. Do not keep tools or other metal implements on top oftools or other metal implements on top of
uncovered batteries.uncovered batteries.
Make sure that the capacity of the used lifting device is sufficient. When using a liftingMake sure that the capacity of the used lifting device is sufficient. When using a lifting
device for lifting the battery, place a device for lifting the battery, place a non-conductive plate on top of the battery to anon-conductive plate on top of the battery to avoidvoid
the risk of a the risk of a short circuit. This is not necessary, if short circuit. This is not necessary, if the lifting device has sufficientthe lifting device has sufficient
insulation and is equipped with a insulation and is equipped with a distributor, or if the pole shoes and distributor, or if the pole shoes and cell combinationscell combinations
are fully protected.are fully protected.
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