© Mitsubishi Forklift Trucks 2013. All
© Mitsubishi Forklift Trucks 2013. All
rights reserved.
rights reserved.
Revision: B
Revision: B
Document ID: 615023
Document ID: 615023
82 (244)
82 (244)
PBV20N2
PBV20N2
Service
Service Manual
Manual
7.4
7.4
Measuring the battery's specific gravity
Measuring the battery's specific gravity
Measure the specific gravity of the battery
Measure the specific gravity of the battery fluid according to the manufacturer's
fluid 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:
•
•
1.24 when the battery is 3/4
1.24 when the battery is 3/4 charged.
charged.
•
•
1.20 when the battery is 1/2
1.20 when the battery is 1/2 charged.
charged.
•
•
1.16 when the battery is 1/4
1.16 when the battery is 1/4 charged.
charged.
•
•
1.15 when the battery is empty. Charge the battery
1.15 when the battery is empty. Charge the battery immediately
immediately..
7.5
7.5
Replacing the battery
Replacing the battery
CAUTION
CAUTION
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 w
When replacing the battery, use one with similar dimensions and weight to maintain the
ith 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 is
battery’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 and
When 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 of
tools 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 lifting
Make 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 a
non-conductive plate on top of the battery to avoid
void
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 sufficient
the 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 combinations
cell combinations
are fully protected.
are fully protected.
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