WARNING: Beforeinspecting, cleaning or servicing the machine,shut off engine, wait for all moving partsto come to a complete stop, disconnect spark plug wire and move wire awayfrom spark plug. Failureto follow these instructions can result in serious personalinjury or property damage.

3.Cleanaround the oil dipstick or oil fill tube (whichever applies) to prevent dirt from falling into the crankcase.

4.Onengines with an oil fill tube, remove

the fill cap and add oil (if required) until it reachesthe top of the fill tube. Reinstall the fill cap.

5.Onengines with a dipstick, remove it and wipe it clean. Reinsert the dipstick, tighten it securely,and removeit. Add oil as neededto bring the level upto the FULL mark. Wipe dipstick clean eachtime oil level is checked. Do not overfill. Tighten dipstick securely.

B. To Changethe EngineOil:

Changethe engine oil as instructed in the EngineOwner'sManual.

SPARKPLUGSERVICE

Inspectand cleanor replacethe spark plug after every lOg operating hours or annual- ly. Referto the EngineOwner'sManual for spark plug service instructions.

In some areas,local law requires using re- sistor spark plugs to suppress ignition sig- nals. If the enginewas originally equipped with a resistor spark plug, use the same type for replacement.

SPARKARRESTERSCREEN SERVICE

If the enginemuffler is equipped with a spark arrester screen, removeand clean it according to the service intervals and in- structions in the EngineOwner'sManual.

THROTTLELEVERADJUSTMENT

If the enginedoes not respond to various

throttle lever settings, refer to the Engine Owner'sManualfor service information or

contact your local authorized enginedeal- er.

WARNING: Operators shall not tamper with the engine governor settings on the machine; the governor controls the maximum safeoperating speedto protect the engineand all moving partsfrom damage causedby overspeed. Authorized service shall be sought if a problemexists.

CARBURETOR/GOVERNOR CONTROLADJUSTMENTS

Thecarburetor was adjustedat the factory for best operating speed. Referto the En- gine Owner'sManual for any adjustment

information or see your authorizedengine dealer.

The governor controls the maximum safe operating speed and protects the engine andall moving parts from damage caused by overspeeding. Do not tamper with the enginegovernor settings.

OFF-SEASONSTORAGE

When the tiller won'tbe used for an ex- tended period, prepareit for storageas fol- lows:

1.Cleanthe tiller andengine.

2.Do routine tiller lubrication and check for loose parts and hardware.

3.Protect the engineand perform recom- mended engine maintenanceby following the storage instructions found in the En- gine Owner'sManual. Besure to protect the fuel lines, carburetor and fuel tank from gum deposits by removing fuel or by treating fuel with a fuel stabilizer (follow enginemanufacturer'srecommendations).

4.Store unit in a clean, dry area.

5.Neverstorethe tiller with fuel inthe fuel tank in an enclosedareawhere gas fumes could reach an open flame or spark, or where ignition sources are present (space heaters, hot water heaters,furnaces, etc.).

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Troy-Bilt 634BM, 634FM manual Sparkplugservice, Throttleleveradjustment, Off-Seasonstorage, To Changethe EngineOil