jcb S1530E, Operator'S Manual, Page: 84 / 120

Maintenance
Electrical System
76 9831/3200-3 76
2. Get access to the battery.
Refer to: Access Apertures (Page 63).
3. If the terminal posts are corroded and covered with white powder wash them with hot water. If there is
considerable corrosion, clean the terminal posts with a wire brush or abrasive paper. Refer to Figure 47.
Figure 47.
4. Apply a thin layer of petroleum jelly to the terminal posts.
Connect
CAUTION The machine is negatively earthed. Always connect the negative pole of the battery to earth.
When connecting the battery, connect the earth (-) lead last.
When disconnecting the battery, disconnect the earth (-) lead first.
1. Get access to the batteries.
Refer to: Disconnect (Page 76).
2. Make sure that the terminal covers are fitted except exposed terminal posts.
3. Connect the battery leads. Connect the earth (-) terminal last.
4. If the machine has a battery isolator key, then connect the isolator.
Refer to: Battery Isolator (Page 22).
Disconnect
WARNING Do not use batteries lighter than the original ones. The batteries work as counterweight and are
critical to the stability of machine.
WARNING
Do not use the machine with the counterweights removed. The counterweights are critical to
the stability of machine.
CAUTION Batteries are heavy. Use an appropriate number of people to lift the batteries. Use appropriate
lifting techniques.
CAUTION
The machine is negatively earthed. Always connect the negative pole of the battery to earth.
When connecting the battery, connect the earth (-) lead last.
When disconnecting the battery, disconnect the earth (-) lead first.
Notice:
Do not isolate the machine electrics when the machine is in operation, this may cause damage
to the machine electrics.
1. Make the machine safe.
Refer to: Maintenance Positions (Page 58).
2. Get access to the batteries.