MAINTENANCE AND SERVICING
Preventing Electrical System Damage
To prevent electrical system damage, take the following
precautions:
• Carefully observe polarity when attaching
booster battery.
•DoNOT short across battery or alternator terminals,
or allow battery positive (+) cable or alternator wire to
become grounded.
• Be sure alternator connections are correct before cables
are connected to battery.
• When welding on any part of the machine, disconnect
battery cables and alternator wire. Refer to 1.8 Welding
Precaution, page 9.
• Always disconnect battery ground cable when working
with the alternator or regulator.
• Never attempt to polarize alternator or regulator.
• If wires are disconnected from the alternator, use the
illustration to e nsure proper reconnection.
• Never ground the alternator field terminal or fi eld.
• Never connect or disconnect alternator or regulator
wires with battery connected or alternator operating.
• Always disconnect cables from the battery when using
a charger to charge battery in windrower.
• Ensure all cables are securely connected before
operating engine.
Figure 5.120: Alternator
A - Negative Terminal B - Positive Terminal
Maintain ing B
atteries
CAUTION
Do NOT attempt to service battery unless you have the proper equipment and experience to perform the
job. Have it done by a qualified Dealer.
• Check battery charge once a year, and more often if operating in cold weather. Hydrometer readings should be
1.260 to 1.300. Readings below 1.250 indicate charging is required. Refer to Charging the Battery, page 262.
Add electrolyte if necessary. Refer to Adding Electrolyte to the Battery, page 265.
• Keepbatteriescleanbywipingwithadampcloth.
• Keep all connections clean and tight. Remove any corrosion, and w ash terminals with a solution of baking soda
and water. A light coating of grease on terminals (after cables are attached) will reduce corrosion.
• To prolong battery life, store batteries fully charged and at +20° to +80°F (-7° to +26°C). C heck voltage after
storage, and recharge as needed, according to battery and charger manufacturer recommendations.
•DoNOT stack storage batteries on top of each other.
169890 260 Revision A
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