![background image](http://html.mh-extra.com/html/macdon/m1240/m1240_operators-manual_685727255.webp)
4. Select the MAINTENANCE icon (A) to open the
maintenance menu (B). The following information can
be added to the screen:
• completed maintenance
• selected maintenance noti
fi
cations
• maintenance log
Figure 5.2: Maintenance Icon and Menu
5.2.4 Preventing Electrical System Damage
To prevent electrical system damage, take the following
precautions:
• Carefully
observe
polarity
when
attaching
booster battery.
• Do
NOT
short across battery or alternator terminals or
allow battery positive (+) cable (A) or alternator wire to
become grounded.
• Be sure alternator connections are correct before
connecting the cables to the battery.
• When welding on any part of the machine, disconnect
battery cables. Refer to
.
• 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 ensure proper reconnection.
• Never ground the alternator
fi
eld 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 5.3: Alternator
A - Negative Terminal
B - Positive Terminal
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