Scotts S1642, S1742, S2046 manual Checking Spark Plugs, Replacing Fuel Filter, Service Engine

Page 35
Checking Spark Plugs

SERVICE ENGINE

onto precleaner. Squeeze precleaner to distribute oil

plug(s):

evenly. Squeeze out excess oil with a clean cloth.

• S1642 and S1742: ONE spark plug

 

 

• S2046: TWO spark plugs.

IMPORTANT: Avoid damage! A damaged cartridge

3. Clean spark plug(s) carefully with a wire brush.

(D) can allow dirt into the carburetor and can cause

4. Inspect plug for:

poor engine performance, engine damage or failure:

• DO NOT attempt to clean cartridge by tapping

• Cracked porcelain.

against another object.

• Pitted or damaged electrodes.

 

• Replace cartridge ONLY if very dirty.

• Other wear or damage.

 

• DO NOT use pressurized air to clean cartridge.

5. Replace spark plug(s) if necessary.

 

•If cartridge is damaged or the seal is cracked, replace.

7.Inspect cartridge for damage or excessive dirt. Replace if necessary.

8.Carefully clean air cleaner housing. Prevent any dirt from falling into carburetor.

9.Install foam precleaner (E) mesh side up.

10.Install cartridge. Make sure cartridge and seal are properly seated and sealing the carburetor air intake area.

11.Install air cleaner cover and tighten knobs. DO NOT overtighten.

12.Lower hood.

 

 

 

 

 

6. Check plug gap with a wire feeler gauge:

Checking Spark Plugs

 

• S1742 and S2046: Gap should be 0.76 mm (0.030

 

in.)

 

 

 

 

 

 

 

 

 

 

• S1642: Gap should be 1.02 mm (0.040 in.)

￿CAUTION: Avoid injury! Before you remove

 

7. To change gap, move the outer electrode.

 

8. Install and tighten spark plug(s):

 

spark plugs, STOP engine and wait until engine

 

 

is cool.

 

• If you have a torque wrench, tighten plug(s) to: 20

 

 

 

 

 

1. Stop engine. LOCK park brake. Remove key. Lift hood.

 

N•m (15 lb-ft.).

 

 

 

 

 

 

 

9. Connect the spark plug wire(s).

 

 

 

 

 

10.Lower hood.

 

 

 

 

 

 

 

 

 

 

Replacing Fuel Filter

 

 

 

 

 

 

 

 

 

 

 

￿CAUTION: Avoid injury! Keep cigarettes,

 

 

 

 

 

sparks, and flames away from the fuel system.

 

 

 

 

 

Make sure engine is cool to the touch.

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

IMPORTANT: Avoid damage! When disconnecting

 

 

 

 

 

 

 

 

 

 

fuel tank hose from filter, be sure to hold hose above

 

 

 

 

 

 

 

 

 

fuel tank level so fuel does not run out.

 

 

 

 

2. Disconnect spark plug wire(s) (A) and remove spark

Service Engine - 31

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Contents OMGX10784 C0 OPERATOR’S MANUALScotts Lawn Tractors S1642, S1742, and S2046CALIFORNIA Proposition 65 Warning INTRODUCTIONTHANK YOU for purchasing a Scotts product Record Identification Numbers PRODUCT IDENTIFICATION42-Inch Mowers Only ASSEMBLYConnect and Check Battery Identify PartsChecking Tire Pressure Machine Safety Labels SAFETY SIGNSSafety-Alert Symbol THROWN OBJECTS Emission Control System Certification LabelEmission Compliance Period CertificationTractor Controls - Automatic CONTROLSTractor Controls - Gear Park Safely OPERATING MACHINEOperate Safely Transport Safely Adjusting SeatAvoid Tipping Wear Appropriate ClothingStarting Engine Using the Park BrakeOn Automatic Transmission Using Throttle ControlCold Weather Starting Tips Warming and Idling EngineCAUTION Avoid injury Using Travel Controls - GearUsing Travel Controls - Automatic Stopping EngineUsing Cruise Control DISENGAGE CRUISE CONTROL Using Reverse Implement OptionENGAGE CRUISE CONTROL Test Daily Operating ChecklistTesting Safety Systems Pushing MachineTest IMPORTANT Avoid damage! On Automatic Using Tire Chains Using Front WeightsUsing Rear Wheel Weights Avoid Using Ground Engaging EquipmentOperate Mower Safely Using Lift Lever to Raise and Lower MowerAdjusting Cutting Height OPERATING MOWERCAUTION Avoid injury! Before you adjust Adjusting Mower Gage WheelsAdjusting Mower Level Side-to-Side CAUTION Avoid injury! Before you adjust gageEngaging and Disengaging Mower Adjusting Mower Level Front-to-RearDismounting to Inspect or Unplug Mower or Optional Bagger Using Mower Deck Side Discharge - 42-Inch Mower DecksUsing Mower Deck with Optional Equipment - 42-Inch Mower Decks Using Mower Deck Mulch Ready - 42-Inch Mower DecksA must be removed 1. Remove mulch cover Lift plastic discharge chute John Deere Quality REPLACEMENT PARTSService Literature Parts for 46-Inch Mower Deck Parts for 42-Inch Mower DeckHandling Waste Product and Chemicals SERVICE MACHINE SAFELYPractice Safe Maintenance Service Intervals SERVICE INTERVAL CHARTDATE Service RecordSERVICE PERFORMED Make sure engine is COLD when checking engine oil level SERVICE ENGINEEngine Warranty Maintenance Statement Adjusting CarburetorCAUTION Avoid injury! Engine may be hot, be careful not to burn hands Changing Engine Oil and FilterNOTE DO NOT wash paper element Checking and Cleaning Air Cleaner Elements - S1642 and S1742S1742S1642 Checking and Cleaning Air Cleaner Elements - S2046 Replacing Fuel Filter Checking Spark PlugsIMPORTANT Avoid damage! To avoid overheating Clean Air Intake Screen and EngineNOTE Change filter when fuel is low in fuel tank Lubricating Front Wheel Spindles, Wheel Bearings and Axle Pivot SERVICE STEERING AND BRAKESAdjusting Brakes - Gear GreaseAdjusting Brakes - Automatic Hand Control G D F Adjusting Brakes - Automatic Foot ControlReplacing Mower Drive Belt SERVICE MOWERAdjusting Mower Belt Tension Mower SpindlesAdjusting Spindle Brake M88119b Servicing Mower BladesChecking Mower Blades E C D B A CD B AE D C B A Balancing Blades Sharpening BladesRemoving and Installing the Battery SERVICE ELECTRICALChecking the Battery Clean Battery and TerminalsCharging the Battery Replacing Headlight Bulb Using Booster BatteryMX1535 Replacing FuseM88559 Fuel SERVICE MISCELLANEOUSFuel Blends Using Clean FuelsUsing Fresh Fuel and Stabilizers Octane RatingM96452 Care for Plastic and Painted SurfacesPAINTED METAL SURFACES SERVICE MISCELLANEOUS Removing Mower REMOVING MOWERREMOVING MOWER Installing Mower INSTALLING MOWERQ P O N Engine TROUBLESHOOTINGUsing Troubleshooting Chart CHECK Mower Electrical Preparing Engine For Storage STORING MACHINEStoring Safely Preparing Machine for StorageRemoving Machine From Storage NOTE The stored battery should be recharged every 90 daysModel S2046 SPECIFICATIONSModel S1642 Model S1742Tires All Models Dimensions All ModelsElectrical System All Models Fuel All ModelsRecommended Lubricants Mower Deck 42-InchMower Deck 46-Inch TERM WARRANTYWARRANTY EQUIPMENT USELength Of Warranty Coverage Your Warranty Rights and ObligationsJohn Deere Emission Control System Warranty Coverage Owner’s Warranty ResponsibilitiesConsequential Warranty Coverage NOTE Applicable in North America onlyWarranty Service And Charges Maintenance Warranty CoverageWarranty Period Warranty CodeINDEX INDEX Step Please do not return this tractor to the store where you purchased itQUALITY STATEMENT
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