TP-5592 7/96 Operation 2-1
Section 2. Operation
Prestart Checklist
To ensure continued satisfactory operation, check the
following items before each startup and at regular
intervals.
AIr Cleaner. Keep air cleaner element clean. Install
element to keep unfiltered air from entering engine.
Air Shrouding. Keep tight and in position.
AIr Inlets. Keep clean and unobstructed.
Backfire Flame Arrestor. Clean and install air cleaner
to prevent unfiltered air from entering engine.
Battery. Ensure tight battery connections. 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
freezing and overheating protection. A coolant solution
withmorethan50%ethyleneglycolcancauseengineor
component damage. Do not use alcohol or methanol
antifreeze or mix them with the specified coolant.
Consulttheenginemanufacturer’soperation manualfor
engine coolant specifications.
Do not add coolant to an overheated engine. Wait until
engine has cooled. Adding coolant to a hot engine can
cause the cylinder block or cylinder head to crack.
Cooling. Check the coolant level on closed-type heat
exchanger systems using the coolant recovery tank.
The MIN mark indicates full when cold and the MAX
mark indicates full when hot. Maintain the coolant level
between these marks. Periodically check the coolant
level on closed systems by removing the pressure cap.
Do not rely solely on level in coolant recovery tank.
Add fresh coolant until level is just below overflow tube
opening. See Maintenance—Cooling Systems.
Drive Belts. Check belt condition and tension of
radiator fan, water pump, and battery charging
alternator belt(s).
ExhaustSystem. Keepexhaustoutletclearandfreeof
debris. Keep silencer and piping tight and in good
condition. Check hoses for leaks. Verify that each
exhaust hose connection has two clamps and that all
connections are tight.
Fuel Level. Keep tank(s) full to ensure adequate fuel
supply.
Oil Level. Maintain oil level at or near full mark on
dipstickbutnotover. Keeptheoillevelinthemechanical
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. Do notleave rags,tools, or debris onor nearthe
generator set.
Seawater Pump Priming. Prime the seawater pump
beforeinitialstartup. Toprimepump,closeseacockand
remove the hose from the water filter outlet. Fill hose
and pump with clean water. Replace hose and open
seacock. Check for pump operation on startup by
observing water discharge from exhaust outlet.
Kohler Co. recommends that all boat owners have their
vessels—especiallythe exhaust systemattached tothe
generator set—inspected at the start of each boating
season by their local Coast Guard Auxiliary. If there is
no Coast Guard Auxiliary in the area, contact an
authorized Kohler distributor or dealer for the
inspection.
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