Kohler Magnum 16 HP Manual del usuario - Página 10

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3. Check gap (0.025") using a wire feeler gauge.

Adjust the gap as necessary by carefully bending

the ground electrode. See Figure

Reinstall the spark plug into the cylinder head.

Torque the spark plug to 78-22 ft. Ib.

-/"

Ground

Electrode

0.025"

Figure

Servicing Spark Plug,

Battery Charging

WARNING: Explosive Gas!

Batteries produce explosive hydrogen gas while being

charged.

prevent a fire or explosion, charge

batteries only in well ventilated areas. Keep sparks,

open flames, and other sources of ignition a way from

the battery at all times. Keep batteries out of the reach

of children. Remove all jewelry when servicing

batteries.

Before disconnecting the negative (-) ground cable,

make sure all switches are OFF: If ON, a spark will

occur at the ground cable terminal which could cause

an explosion if hydrogen gas or gasoline vapors are

present.

On engines equipped with an alternator charging

system, disconnect plug from rectifier-regulator prior to

charging battery.

Fuel Filter

Some engines are equipped with an in-line fuel filter.

Periodically inspect the filter and replace when dirty.

Use a genuine Kohler filter.

Reduction Gear Units

On engines equipped with a reduction gear unit,

remove the oil plug on lower part of cover every

hours of operation to check oil level. With the

engine level, the oil level of the unit should be up to the

bottom of the oil plug hole. To add oil, remove the

vented plug at the top of the unit. Use the same weight

and grade of oil as used in the engine crankcase.

Carburetor Troubleshooting

and Adjustments

Kohler M8

M16 engines are equipped with one of

three types of carburetors; Kohler adjustable main jet,

Walbro adjustable main jet, or Walbro fixed main jet.

Emissions certified engines will have fixed jet

carburetors. Walbro carburetors have the brand name

embossed in the side of the body casting, near the top.

The carburetor is designed to deliver the correct

fuel-to-air mixture to the engine under all operating

conditions. The main fuel and idle fuel needles on

adjustable jet carburetors are set at the factory and

normally do not require further adjustment. On fixed jet

carburetors, the low idle fuel needle is also set at the

factory and normally does not need further adjustment.

The main fuel jet is calibrated and installed at the

factory and is not adjustable.

Troubleshooting

If engine troubles are experienced that appear to be

fuel system related, check the following areas before

adjusting the carburetor.

Make sure the fuel tank is filled with clean, fresh

gasoline.

Make sure the fuel tank cap vent is not blocked

and that it is operating properly.

If the fuel tank is equipped with a shut-off valve,

make sure it is open.

If the engine is equipped with an in-line fuel filter,

make sure it is clean and unobstructed. Replace

the filter if necessary.

Make sure fuel is reaching the carburetor. This

includes checking the fuel lines and fuel pump for

restrictions or faulty components, replace as

necessary.

Make sure the air cleaner element is clean and all

air cleaner element components are fastened

securely.

If, after checking the items listed above, the engine is

hard to start, runs roughly, or stalls at low idle speed, it

may be necessary to adjust or service the carburetor.