TP-5977 7/98 Operation 3
Section 2. Operation
2.1 Prestart Checklist
To ensure continued satisfactory operation, check the
following items before each startup and at regular
intervals. Refer to the engine service manual for
specific service procedures.
Air Cleaner. Keep air cleaner element clean. Install
element to keep unfiltered air from entering engine.
Air Inlets. Keep clean and unobstructed.
Battery. Ensuretightbatteryconnections. Maintainfull
battery electrolyte level.
Coolant Level. For cooling systems equipped with a
coolant recovery tank, check coolant level at tank after
the engine has cooled.
Maintain coolant level just below the filler neck,
approximately 3/4 to 1 1/2 in. (19 to 33 mm).
A coolant solution of 50% ethylene glycol provides
freezing protection of --34°F (--37°C) and overheating
protectionto265°F(129°C). Acoolantsolutionwithless
than 50% ethylene glycol may not provide adequate
freezingandoverheatingprotection. A coolant solution
withmorethan50%ethyleneglycolcancauseengineor
component damage. Do not use alcohol or methanol
antifreeze or mix them with the specified coolant.
Consulttheenginemanufacturer’soperationmanualfor
engine coolant specifications.
Donotaddcoolanttoahotengine. Waituntilenginehas
cooled. Adding coolant to a hot engine can cause the
cylinder block or cylinder head to crack.
Drive Belts. Check belt condition and tension of
radiator fan, water pump, and battery charging
alternator belt(s).
Exhaust System. Keep exhaust outlet clear. Keep
muffler and piping tight and in good condition.
Fuel Level. Keep tank(s) full to ensure adequate fuel
supply.
Oil Level. Maintain oil level at or near full but not over.
Keep the oil level in the mechanical governor (if
equipped) at or near the full level.
Operating Area. Check for obstructions that could
block the flow of cooling air. Keep the air intake area
clean. Donot leave rags, tools, or debris onor nearthe
generator set.
2.2 Exercising the Generator
Run the generator set under load once each week for
one hour with an operator present.
Operator should perform all prestart checks before
startingtheexerciseprocedure. Whilethegeneratorset
is running, listen for a smooth-running engine and
visuallyinspectthegeneratorsettoensurethereareno
fluid or exhaust leaks.
Start the generator set according to the starting
procedure in the controller section of this manual.
2.3 Starting and Stopping Procedure
NOTE
Starter motor cooldown. Do not crank engine
continuously formore than10 seconds at atime. Allow
a 60-second cooldown period between cranking
attempts if the engine does not start. If the unit fails to
start after three attempts, contact an authorizedKohler
distributor/dealer for repair. Failure to follow these
guidelines may result in starter motor burnout.
Engine restart. If the engine starts and then stops,
allow the engine to come to a complete stop before
attempting to restart. If the flywheel ring gear is still
rotating when the starter pinion gear is engaged, the
pinion gear will clash which may damage the ring gear
teeth.
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