Kohler 15REYG Operation - Page 25

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3.5 Exhaust System

WARNING

Carbon monoxide.

Can

cause

fainting, or death.

The

exhaust

leakproof and routinely inspected.

Carbon monoxide detectors.

cause severe nausea, fainting, or death. Install carbon

monoxide detectors on each level of the building. Locate the

detectors to adequately warn the building's occupants of the

presence of carbon monoxide. Keep the detectors operational

at all times. Periodically test and replace the carbon monoxide

detectors according to the manufacturer's instructions.

At the interval specified in the service schedule, inspect

the exhaust system components (exhaust manifold,

exhaust outlet, exhaust line, exhaust clamps, and

muffler) for cracks, leaks, and corrosion.

Exhaust System Inspection Points

Check for corroded or broken metal parts and replace

them as needed.

Check for loose, corroded, or missing clamps and

hangers. Tighten or replace the exhaust clamps

and/or hangers as needed.

Check that the exhaust outlet is unobstructed.

Check the exhaust gas color. If the exhaust is blue or

black, contact your local distributor/dealer.

Visually inspect for exhaust leaks (blowby). Check

for carbon or soot residue on exhaust components.

Carbon and soot residue indicates an exhaust leak.

Seal leaks as needed.

Check the installation and operation of carbon

monoxide (CO) detectors.

TP-6728 10/11

severe

nausea,

system

must

Carbon monoxide can

3.6 Cooling System

WARNING

Hot coolant and steam.

Can cause severe injury or death.

Before removing the pressure cap,

stop the generator set and allow it to

cool. Then loosen the pressure cap

to relieve pressure.

Allow the engine to cool. Release pressure from the

cooling system before removing the pressure cap. To

release pressure, cover the pressure cap with a thick

cloth and then slowly turn the cap counterclockwise to

the first stop. Remove the cap after pressure has been

completely released and the engine has cooled. Check

the coolant level at the tank if the generator set has a

coolant recovery tank.

3.6.1

Checking and Filling Coolant

Maintain the coolant level in the coolant overflow bottle

between the High and Low markings. See Section 1,

Service Views, for the coolant overflow bottle location.

Note: Periodically check the coolant level by removing

the radiator's pressure cap. Do not rely solely on

the level in the coolant overflow bottle. Add fresh

coolant until the level is just below the overflow

tube opening.

When checking the coolant level, also check the rubber

seal of the radiator's pressure cap and replace a

cracked or deteriorated cap. The pressure cap raises

the boiling point of the coolant, enabling higher

operating temperatures. If the cap leaks, replace it with

the same rating type of cap. Find the pressure cap rating

in Figure 3-6. Remove dirt and other debris from the

pressure cap and filler neck.

To prevent generator shutdown or damage because of

overheating, keep the cooling air inlets clean and

unobstructed at all times. Inspect the radiator's exterior

for obstructions and remove dirt and foreign material

with a soft brush or cloth to avoid damaging the radiator

fins. Check the hoses and connections for leaks and

replace any cracked, frayed, or spongy hoses.

Section 3 Scheduled Maintenance