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BATTERY HANDLING
WARNING
GASES FROM BATTERY can explode.
• Keep sparks, flame and cigarettes away from bat-
tery.
To prevent EXPLOSION when:
• INSTALLING A NEW BATTERY - disconnect nega-
tive cable from old battery first and connect to new
battery last.
• CONNECTING A BATTERY CHARGER - Remove bat-
tery from welder by disconnecting negative cable
first, then positive cable and battery clamp. When
reinstalling, connect negative cable last. Keep well
ventilated.
• USING A BOOSTER - connect positive lead to bat-
tery first then connect negative lead to engine foot.
BATTERY ACID CAN BURN EYES AND SKIN.
• Wear gloves and eye protection and be careful when
working near battery. Follow instructions printed on
battery.
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PREVENTING ELECTRICAL DAMAGE
1. When replacing, jumping, or otherwise connecting the
battery to the battery cables, the proper polarity must be
observed. Failure to observe the proper polarity could
result in damage to the charging circuit. The positive (+)
battery cable has a red terminal cover.
2. If the battery requires charging from an external charg-
er, disconnect the negative battery cable first and then the
positive battery cable before attaching the charger leads.
Failure to do so can result in damage to the internal
charger components.
When reconnecting the cables,
connect the positive cable first and the negative cable
last.
PREVENTING BATTERY DISCHARGE
If you have an ignition switch, turn it off when engine is
not running.
PREVENTING BATTERY BUCKLING
Tighten nuts on battery clamp until snug.
NAMEPLATES / WARNING DECALS
MAINTENANCE
Whenever routine maintenance is performed on this
machine - or at least yearly - inspect all nameplates
and labels for legibility. Replace those which are no
longer clear. Refer to the parts list for the replacement
item number.
MAINTENANCE
CHARGING THE BATTERY
When you charge, jump, replace, or otherwise connect
battery cables to the battery, be sure the polarity is cor-
rect. Improper polarity can damage the charging cir-
cuit. The Commander positive (+) battery terminal has
a red terminal cover.
If you need to charge the battery with an external
charger, disconnect the negative cable first, then the
positive cable before you attach the charger leads.
after the battery is charged, reconnect the positive bat-
tery cable first and the negative cable last. Failure to
do co can result in damage to the internal charger
components.
Follow the instructions of the battery charger manufac-
turer for proper charger settings and charging time.
WELDER / GENERATOR
MAINTENANCE
STORAGE
Store the Commander in clean, dry protected areas.
CLEANING
Blow out the generator and controls periodically with
low pressure air. do this at least once a week in par-
ticularly dirty areas.
BRUSH REMOVAL AND REPLACEMENT
It is normal for the brushes and slip rings to wear and
darken slightly. Inspect the brushes when a generator
overhaul is necessary.
Do not attempt to polish slip rings while the engine is
running.
------------------------------------------------------------------------
COMMANDER 300
WARNING
D-3
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