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FUEL FILTERS
WARNING
When working on the fuel system:
• Keep naked lights away, do not smoke !
• Do not spill fuel !
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The AIR VANTAGE® 500 CUMMINS is equipped with
a Fuel Filter located after the lift pump and before fuel
injectors.The procedure for changing the filter is as fol-
lows.
1. Close the fuel shutoff valve.
2. Clean the area around the fuel filter head. Remove
the filter. Clean the gasket surface of the filter head
and replace the o-ring.
3. Fill the clean filter with clean fuel, and lubricate the
o-ring seal with clean lubricating oil.
4. Install the filter as specified by the filter manufactur-
er.
WARNING
Mechanical overtightening will distort the threads,
filter element seal or filter can.
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COOLING SYSTEM
The AIR VANTAGE® 500 CUMMINS is equipped with
a pressure radiator. Keep the radiator cap tight to pre-
vent loss of coolant. Clean and flush the coolant sys-
tem periodically to prevent clogging the passage and
over-heating the engine. When antifreeze is needed,
always use the permanent type.
bATTERY HANDLING
GASES FROM bATTERY can explode.
• Keep sparks, flame and cigarettes away
from battery.
To prevent EXPLOSION when:
• INSTALLING A NEW bATTERY - dis-
connect negative cable from old battery
first and connect to new battery last.
• CONNECTING A bATTERY CHARGER -
Remove battery from welder by discon-
necting negative cable first, then posi-
tive cable and battery clamp. When
reinstalling, connect negative cable
last. Keep well ventilated.
MAINTENANCE
• USING A bOOSTER - connect positive lead to
battery first then connect negative lead to engine
foot.
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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 cir-
cuit. The positive (+) battery cable has a red termi-
nal cover.
2. If the battery requires charging from an external
charger, 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
Turn the RUN/STOP switch to stop when engine is
not running.
PREVENTING bATTERY bUCKLING
Tighten nuts on battery clamp until snug.
CHARGING THE bATTERY
When you charge, jump, replace, or otherwise con-
nect battery cables to the battery, be sure the polarity
is correct. Improper polarity can damage the charging
circuit. The AIR VANTAGE® 500 CUMMINS 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
battery cable first and the negative cable last. Failure
to do so can result in damage to the internal charger
components.
Follow the instructions of the battery charger manu-
facturer for proper charger settings and charging time.
AIR VANTAGE® 500 CUMMINS
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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