Craftsman 917.38721 Theoperationof anylawn mower can, How To Use Your Lawn Mower Engine Speed

Models: 917.38721

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Theoperationof anylawn mower can

Theoperationof anylawn mower can

result in foreign objects thrown into the eyes, which can result in severe eye damage. Always wear safety glasses or eye shields while operating your lawn mower or performing any adjustments or repairs. We recommend a wide vision safety mask over the spectacles or

HOW TO USE YOUR LAWN MOWER

ENGINE SPEED

The engine speed was set at the factory for optimum performance, Speed is not adjustable.

ENGINE ZONE CONTROL

CAUTION; Federal regulations require an

engine control to be installed on this lawn mower in order to minimize the risk of

blade contact injury. Do not under any circumstances attempt to defeat the function of the operator control° The blade turns when the engine is running,

°Your lawn mower is equipped with an operator presence control bar which requires the operator to be positioned behind the lawn mower handle to start

and operate the lawn mower.

TO ADJUST CUTTING HEIGHT

°Raise wheels for low cut and lower wheels for high cut.

°Adjust cutting height to suit your

requirements. Medium position is best for most lawns.

To change cutting height, squeeze adjuster lever toward wheel. Move wheel up or down to suit your require- ments. Be sure all wheels are in the same setting.

NOTE: Adjuster is properly positioned when plate tab inserts between tabs in lever. Also, 9-position adjusters (if so equipped) allow lever to be positioned between the plate tabs.

Raise wheels for low cut

_

Lever'

_

___

_atetab!I

Lower wheels for high cut

CAUTION: Do not run your lawn mower without discharge guard, approved grass catcher in place.

BEFORE STARTING ENGINE

OIL

Your lawn mower is shipped without oil in the engine.

=Be sure mower is level and area around oil fill is clean.

,, Remove engine oil plug and fill to the top of slot in filler hole.

°Use 20 ozs. of oil. For type and grade of oil to use, see "ENGINE" in Customer Responsibilities section of this manual.

o Pour oil slowly. Do not over fill.

o Check oil level before each use. Add oil if needed.

o Reinstall engine oil plug and tighten.

o Change the oil after every 25 hours of operation or each season. You may need to change the oil more often under

dusty, dirty conditions.

GAS

°Fill fuel tank. Use fresh, clean,

regular unleaded gasoline with a minimum of 87 octane. Do not mix oil with gasoline. Purchase fuel in quantities that can be used within 30 days to assure fuel

freshness.

Gasoline filler cap

Oil filler plug

 

TO START ENGINE

o To start a cold engine, push primer five

(5)times before trying to start. Use a firm push. This step is not usually necessary when starting an engine which has already run for a few minutes_ Hold operator presence control bar down to the handle and pull starter handle quickly. DO NOT allow starter rope to snap back.

o To STOP engine, release operator presence control bar.

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Craftsman 917.38721 Theoperationof anylawn mower can, How To Use Your Lawn Mower Engine Speed, Engine Zone Control