Craftsman 917.270831 owner manual Muffler, Spark Plugs

Page 20

AIR FILTER

Your engine will not run properly using a dirty air filter. Clean the foam pre-cleaner after every 25 hours of operation or every season. Service paper cartridge

every 100 hours of operation or every season, whichever occurs first.

Service air cleaner more often under dusty conditions.

• Remove knob(s) and cover'.

TO SERVICE PRE-CLEANER

Slide foam pre-cleaner off cartridge.

Wash it in liquid detergent and water.

Squeeze it dry in a clean cloth.

Saturate it in engine oil. Wrap it. in clean, absorbent cloth and squeeze to remove excess oil.

If very dirty or damaged, replace pre- cleaner.

Reinstall pre-cleaner over cartridge.

Reinstall cover and secure with knob(s).

TO SERVICE CARTRIDGE

Remove wing nuts and cartridge plate.

Carefully remove cartridge to prevent debris from entering carburetor.

Clean cartridge by tapping gently on flat surface. If very dirty or damaged, replace cartddge.

Reinstall cartridge plate, wing nuts, precleaner, cover and secure with

knob(s).

IMPORTANT: Petroleum solvents, such as kerosene, are not to be used to clean the cartddge. They may cause detedora- tion of the cartridge. Do not oil cartddge.

Do not use pressurized air to clean or dry cartddge.

Knob

Wing

Pre-Cleaner

Air Scree_

ENGINE COOLING FINS

Remove any dust, dirt or oil from engine cooling fins to prevent engine damage from overheating. Air guide covers must be removed. Remove side panels and hood (See "TO REMOVE HOOD AND GRILL ASSEMBLY" in the Service and

Adjustments section of this manual).

Engine

Coolinq

Air GuideCover

(Both Sides) i

MUFFLER

Inspect and replace corroded muffler

and spark arrester (if equipped) as it could create a fire hazard and/or

damage.

SPARK PLUGS

Replace spark plugs at the beginning of

each mowing season or after every 100 hours of operation, whichever occurs

first. Spark plug type and gap setting are

shown in "PRODUCT SPECIFICATIONS" section of this manual.

IN-LINE FUEL FILTER

The fuel filter should be replaced once each season, ff fuel filter becomes

clogged, obstructing fuel flow to carbure- tor, replacement is required.

With engine cool, remove filter and plug fuel line sections.

Place new fuel filter in position in fuel line with arrow pointing towards carburetor.

Be sure there are no fuel line leaks and clamps are propedy positioned.

Immediately wipe up any spilled gasoline.

Fuel Filter-."__J_

CLEANING

Clean engine, battery, seat, finish, etc.

iof all foreign matter.

Keep finished surfaces and wheels free of all gasoline, oil, etc.

Protect painted surfaces with automo- tive type wax.

We do not recommend using a garden hose to clean your tractor unless the electrical system, muffler, air filter and carburetor are covered to keep water out.

Water in engine can result in a short- ened engine life.

2O

Image 20 Contents
RRIIFTSMIIN General OPERATleN Service Slope OperationChildren Do notChine allgrass can hide obstacles Maintenanceagreement Customer ResponsibilitiesParts Bag contents shown full size Teering HOW to SET UP Your Tractor Check Battery Tools Required for AssemblyTo Remove Tractor from Carton Before Rolling Tractor OFF Skid Attach Steering WheelTo Drive Tractor OFF Skid Install Mulcher PlateInstall Seat To Convert to Bagging or Discharging Attachment Reverse Neutral High Free WheelKnow Your Tractor HOW to USE Your Tractor StoppingTo Adjust Gauge Wheels To Operate on HillsTo Transport To Operate MowerTo Start Engine Before Starting the Enigne Check Engine OIL LevelADD Gasoline Mowing Tips Mulching Mowing TipsLubrication Chart General RecommendationsBefore Each USE AtesBrake Operation TiresOperator Presence System Blade CareEngine BeltsTransaxle Cooling Muffler Spark PlugsTo Install Mower To Level Mower HousingTractor To Remove MowerSIDE-TO-SIDE Adjustment FRONT-TO-BACK AdjustmentTo Replace Mower Blade Drive Belt Belt RemovalTo Adjust Brake Neutral AdjustmentBelt Installation To Replace Motion Drive BeltTo Adjust Steering Wheel Alignment Front Wheel TOE-IN/CAMBEREngine To Replace Headlight BulbAcceleration Test To Adjust CarburetorPreliminary S EI-IING Battery TractorFuelsystem Engine OILProblem Cause CorrectionTroubleshootingchart Problem CauseTroubleshooting Chart Problem Cause Schematic Tractor - Model NumberConnected to Will Become Their BrightestTractor Model Number Electrical Tractor Model Number KEY Part DescriptionTractor Model Number Chassis and Enclosures Tractor Model Number Chassis and Enclosures IY Part NO. noTractor Model Number Ground Drive KEY Part DescripionSteering NO. NO. DES SteeringTRACTOR- Model Number Tractor Model Number Engine Optional EquipmentTractor Mode L NUM BER Engine KEY Part NO. noSeat Assembly Tractor --MODEL NumberWheels and Tires Tractor Model NUM BER13EY Part KL=Y Part DescriptionTractor Model Number List Assembly 171e20Part NO. no Description Mower Deck TRACTOR- Modelnumber Mower Deck Part Description157 MST REF PartDescription NO. no 15 .7 to INSTALL. Seerepair Instructionmanual 8i IolabelkitPump Repair KIT Carburetor KIT@ 20@ Gasket SETKEY Part NO. no KEY Part Description337 802592 Plug-Spark 822 693497 Sighting Guide Only Ride UP and Down HillNot Across Hill Sears