Electrical System; General; Battery - jcb JS300 Service Manual

General

Check (Operation)
Make sure all of the electrical equipment operates correctly, for example:
• Switches
• Warning lights
• Beacon
• Alarms
• Horn
• Wipers
• Hourmeter/display
•

Battery

• Lights
All defective equipment must be repaired before the machine is used.
Check (Condition)
WARNING Battery electrolyte is toxic and corrosive. Do not breathe the gases given off by the battery. Keep
the electrolyte away from your clothes, skin, mouth and eyes. Wear safety glasses.
DANGER Batteries give off explosive gases. Keep flames and sparks away from the battery. Do not smoke
close to the battery. Make sure there is good ventilation in closed areas where batteries are being used
or charged. Do not check the battery charge by shorting the terminals with metal. Use a hydrometer or
voltmeter.
CAUTION Understand the electrical circuit before connecting or disconnecting an electrical component. A
wrong connection can cause injury and/or damage.
Examine the electrical circuits regularly for:
• Damaged connectors
• Loose connections
• Chafing on the wiring harnesses
• Corrosion
• Missing insulation
• Incorrect routing of the wiring harnesses.
Do not use the machine if one or more of these faults are found. You must make sure that the electrical circuit
is repaired immediately.
Battery
Clean
WARNING Keep metal watch straps and any metal fasteners on your clothes, clear of the positive (+)
battery terminal. Such items can short between the terminal and nearby metal work. If it happens you can
get burned.
1. Make the machine safe.
Refer to: Maintenance > Maintenance Positions (Page 184).
2. Get access to the battery.
Refer to: Maintenance > Access Apertures (Page 191).
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 235.
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Electrical System

9831/1100-2
Maintenance
Electrical System
224