Kubota 50740, Operating Instructions Manual

Page: 150 / 194

148
RG268-8135-6
01/2019
Maintenance

Make the battery accessible.

Check the electrolyte level in the battery, adding distilled water if required.

Remove the negative terminal cover and take off the cable clamp. Move the clamp to the side so as to avoid
contact with the negative terminal.

Remove the positive terminal cover.

Connect the battery charger to the battery according to the instructions of the charger manufacturer. Choose
the normal (gentle) charging method.

Clean the battery after charging and replenish the electrolyte, if necessary.

Check the acid density with a hydrometer. The acid density should be between 1.24 and 1.28 kg/l. If the acid
density differs considerably among the individual cells of a battery, the battery probably has a defect. Check
the affected battery with a battery tester and contact trained personnel.
Battery - change

Open the side cover (page 144).

Remove the negative terminal cover and take off the cable
clamp (1). Move the clamp to the side so as to avoid contact
with the negative terminal.

Remove the positive terminal cover and take off the cable
clamp (3). Move the clamp to the side so as to avoid contact
with the positive terminal.

Remove the battery retainer (2) and lift the battery out of the
swivel frame.

Before installation, cover the battery terminals and cable clamps with petroleum jelly.

Install the battery in the swivel frame and fasten it with the battery retainer. Make sure that the battery is in-
stalled tightly

Do not operate the excavator with a loose battery.

Connect the positive cable clamp to the positive terminal (+) of the battery, install the positive terminal cover.

Connect the negative terminal (-) of the battery, install the negative terminal cover.
When disconnecting and connecting the battery, always observe the specified order  Risk of short
circuit.
When disconnecting and connecting the battery, always observe the specified order  Risk of short
circuit.
When replacing the battery, always install a battery of
the same type with the same power rating and the
same dimensions.
STOP
STOP
2
3 1