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Operation
Before the starting engine
NOTICE: Only use antifreeze/coolant mixtures recom-
mended in the coolant specifications that are in the Opera-
tion and Maintenance Manual. Failure to do so can cause
engine damage.
Before the engine is started, perform the required daily
maintenance and any other periodic maintenance that is
due. Refer to the Operation and Maintenance Manual,
"Maintenance Interval Schedule" for more information.
For the maximum service life of the engine, perform a
thorough inspection within the engine compartment be-
fore the engine is started. Look for the following items: oil
leaks, coolant leaks, loose bolts, and excessive dirt and/
or grease. Remove any excess dirt and grease buildup.
Repair any faults that were identified during the inspection.
Inspect the engine cooling system hoses for cracks and for
loose clamps.
Inspect the engine alternator and accessory drive belts for
cracks, breaks, and other damage.
Check the fuel supply. Drain water from the water separa-
tor (if equipped).
Check the engine lubrication oil level. Maintain the oil level
between the "ADD" mark and the "FULL" mark on the en-
gine oil level gauge.
Check the coolant level. Maintain the coolant level within
13 mm (0.5 inch) of the bottom of the filler pipe.
Inspect the drive belts of the main alternator and vacuum
fan for cracks, breaks and other damage.
Inspect the wiring for loose connections and for worn or
frayed wires.
Ensure that the areas around rotating parts are clear.
Check the hoses of the vacuum system for cracks, leaks,
creases and loose clamps.
Inspect the vacuum system micro filter. Replace filter if
necessary.
Check the engine air inlet for cracks, leaks, creases and
loose clamps.
Disconnect any battery chargers that are not protected
against the high current drain that is created when the
starter motor is engaged. Check the electrical cables and
check the batteries for poor connections and for corrosion.
Do not start the engine or move any of the controls if there
is a "DO NOT OPERATE" warning tag or similar warning
tag attached to the start switch or to the controls.
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