Briggs & Stratton 276535 Vertical Models 97700, 99700, 110000, Installation, Removal, Inspection

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Vertical Model 210000

Installation

1.Install tank support to tank. Slip fuel hose under governor link and spark plug wire through hole in support as tank is installed. Torque screws to values listed in Section 12 - Engine Specifications.

2.Assemble shut-off valve and fuel filter, if equipped, to fuel hose.

3.Install hose assembly to tank fitting and carburetor fitting with new clamps.

4.Install control panel/trim plate. Torque screws to values listed in Section 12 - Engine Specifications.

5.Add small amount of fuel to tank, open shut off valve, and check for leaks. Repair as necessary.

6.Install air cleaner assembly per Section 1.

NOTE: For snow engines, install the 1 or 2 piece shroud.

7.Start engine and check for leaks. Repair as necessary.

Vertical Models 97700, 99700, 110000, 120000

Removal

1.Drain the fuel tank.

2.Remove air cleaner cover and gas cap.

3.Remove screws and/or pry off the decorative cover (A, Figure 5) installed on the blower housing.

4.Remove screws (B) around the rewind starter and at the bottom of the tank. Release clamp and pull hose off tank fitting, then lift tank off engine.

Figure 5

Inspection

1.Clean gummy or dirty fuel tanks with Briggs & Stratton Carburetor Cleaner #100041 or #100042, or equivalent.

2.Inspect fuel tank for:

Corrosion

Leaks

Broken mounting brackets

3.Check fuel cap and filler neck for:

Proper seals

Vents

Functional quantity gauge (if equipped)

4.Check fuel filter for blockage of any kind.

5.Check fuel shut off valve for proper operation

Clean or replace parts as required. Fuel filter replacement is recommended annually or anytime the fuel system is serviced.

Installation

1.Install fuel hose to tank fitting and secure with hose clamp. Position tank on engine and install screws at bottom of tank and around rewind starter. Torque screws to values in Section 12 - Engine Specifications.

2.Install decorative cover with screws or by snapping tabs into place.

3.Install gas cap and air cleaner cover.

4.Partially fill tank with fuel and check for leaks. Repair as necessary.

Vertical Model 210000

Removal

1.Close shut-off valve, if equipped.

2.Move clamp and disconnect fuel hose and fuel pump fitting. Place hose in appropriate container, open shut-off valve, and allow fuel to completely drain from tank.

3.Move clamp and disconnect fuel hose from tank fitting. Remove shut-off valve and filter, if equipped, from hose and set aside.

4.Remove two bolts with spacers from side of tank, the remove tank from mounting bracket.

4

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Contents Briggs & ledooStratton Quality Starts With A Master Service TechnicianSingle Cylinder OHV Air-CooledEngines Repair Manuals for otherAll rights reserved FORWARDCopyright 2009 Briggs & Stratton Corporation This Engine Repair Manual includes the following Engine ModelsSECTION 2 - Troubleshooting 1 2 3 4 5 6 7 8 9 10 11 12SECTION 1 - Safety, Maintenance and Adjustments Page SECTION 1 - SAFETY, MAINTENANCE, AND ADJUSTMENTS Hazard Symbols and Meanings ENGINE SAFETYSignal Words in Safety Messages Before performing adjustments or repairs When testing for sparkExplosion and fire could result YOUR KEY TO THE WORLD’S FINEST ENGINES BRIGGS & STRATTON NUMERICAL IDENTIFICATION SYSTEMBRIGGS & STRATTON MODEL NUMBERING SYSTEM ENGINE MAINTENANCE Fuel and Oil RecommendationsFuel must meet these requirements High AltitudeMaintenance Chart First 5 Hours Every 8 Hours or DailyEvery 25 Hours or Annually Every 50 Hours or AnnuallyInspect Brake and Switches Assemble Flywheel BrakeCombustion Chamber Air FilterFigure Figure Figure Figure Figure FigureInstall Snow HoodRemove InspectionOil and Oil Filter Spark PlugNOTICE NOTICECooling System ENGINE ADJUSTMENTS Remote ControlsRemote Control Wire Travel Horizontal Models 110000, 120000,2.Move throttle lever to fast position Top No Load Adjustment Vertical Models 97700, Governor AdjustmentsStatic Adjustment 2.Place throttle in FAST position Initial Adjustment All Models Final Adjustment All ModelsAdjust Valve Clearance Vertical Models 110000, 120000 Early Production SECTION 2 - TROUBLESHOOTING OIL GARD SYSTEMS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 49 ENGINE WILL NOT START - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 49 ENGINE STARTS AND RUNS WITH LOW OIL SYSTEMS CHECK 1 Check IgnitionEngine Stopped Engine RunningTesting Fuel Shut Off Solenoid Solenoid Wiring Test2 Check Carburetion Solenoid Plunger Test3 Check Compression Possible Causes for Poor CompressionELECTRICAL SYSTEMS Equipment Used for TestingDigital Multimeter DC ShuntPossible Causes Alternator System DiagnosisComplaint Alternator Identification 1.0.5 Amp DC Only Figure 2.14 Volt AC Only Figure3.3 Amp DC Only Figure 4.Dual Circuit Figure8.20 Amp DC Figure 6.5/9 Amp DC Figure7.10/16 Amp DC Figure Testing Alternator Output Flywheel Identification5 Amp DC Only Alternator 3-AmpDC Only Alternator14-VoltAC Alternator Test DiodeDual Circuit Alternator Test Alternator OutputTest Alternator Output-AC Test Alternator Output-DCTri-CircuitAlternator Test DiodeCharging Circuit Test RED Wire Lighting Circuit Test WHITE WireTest Alternator Output Test DiodeTest Regulator-Rectifier 5 & 9 Amp DC Regulated AlternatorTest Alternator Output 10 & 16 Amp DC Regulated Alternator Test Alternator Outputreceptacle Test Regulator - Rectifier2.Install shunt to negative -battery terminal DC Output Charging Wire Test 20 Amp DC Regulated AlternatorNOTICE Test Alternator OutputFigure 5.Rotate selector to DC volts positionModel Series 97700, 99700, 110000, ELECTRIC STARTERSSYSTEM 3, SYSTEM Test Interlock Switch Test Starter MotorTest Starter Motor Test Interlock Switch Wiring12 Volt DC Starter Motor Test Solenoid 120-VoltAC Starter MotorModel Series 120000, 150000, 200000, BATTERIES Battery and Cable RecommendationsBattery Installation Charging BatteryTesting Battery EQUIPMENT AFFECTING ENGINE OPERATION OIL GARD SYSTEMSHard Starting or Will Not Start Engine Won’t StopOn/Off Switch Light Does Not Flash Engine Starts and Runs With Low OilSECTION 3 - EXHAUST SYSTEMS MUFFLER SERVICE Spark ArrestersHorizontal Models 110000, 120000, Remove Guard and MufflerInspect Exhaust System Never reinstall broken or damaged componentsInstall Muffler and Guard Horizontal Models 200000, Shown is a typical muffler application FigureRemove Guard and Muffler 3.Remove muffler support screws A, FigureNever reinstall broken or damaged components Install Muffler and GuardInspect Exhaust System All exhaust system components must be inspected whenever the exhaust system is disassembled. Check muffler mounting bracket and/or muffler adapters for cracked welds or breakage. Check muffler for split seams, loose internal parts, or cracked welds. Replace any damaged parts with new OEM partsNever reinstall broken or damaged components Install Muffler and GuardVertical Models 97700, 99700, 110000, Inspect Exhaust SystemNever reinstall broken or damaged Install Muffler and GuardInspect Exhaust System componentsInspect Exhaust System Never reinstall broken or damaged componentsRemove Muffler Install Muffler Never reinstall broken or damaged components Install MufflerShown is a typical muffler application Figure Remove MufflerSECTION 4 - FUEL SYSTEMS AND CARBURETION FUEL SYSTEMS Installation Fuel PumpRemoval InspectionFuel Filter Fuel Tanks and Shut-offValvesHorizontal Models 110000, 120000, 150000, 200000, RemovalInstallation InstallationVertical Models 97700, 99700, 110000, Vertical Model2.Inspect fuel tank for •Corrosion •Leaks InstallationInspection CARBURETION Carburetor IdentificationRemove Carburetor Carburetor Service LMS CarburetorVertical Models 97700, 99700, 110000, Disassemble Carburetor Inspect and Clean Carburetor Components Assemble CarburetorInstall Carburetor LMS Carburetor Horizontal Models 110000, 120000, Remove CarburetorInspect and Clean Carburetor Components Disassemble Carburetor•Passages in the fixed main jet bowl nut Assemble Carburetoredge of the plug with a non-hardeningsealant Remove Carburetor Install CarburetorReadyStart Carburetor Vertical Model Assemble Carburetor Inspect and Clean CarburetorDisassemble Carburetor LMT Carburetor Disassemble Carburetor Remove Carburetor3.Move clamp and disconnect hose from carburetor Inspect and Clean Carburetor Assemble CarburetorPage Install Carburetor bracket.4Disassemble Carburetor Nikki Carburetor Vertical Models 280000, 310000,Remove Carburetor Inspect and Clean Carburetor 11.Remove the main jet and seal•Choke shaft and choke valve Assemble Carburetor12.Install new o-ringon fuel transfer tube E Install CarburetorNikki LP/NG Mixer Vertical Model 310000 Gaseous FuelSECTION 5 - GOVERNOR SYSTEMS GOVERNOR SYSTEMS Linkage and Spring OrientationGovernor Service Governed RPM LimitsHorizontal Models 110000, 120000, 150000, 200000, DisassembleInspect Governor AssembleAssemble Governor DisassembleInspect Governor 8. Adjust governor system per Section SECTION 6 - CYLINDER HEAD AND VALVES CYLINDER HEADS AND VALVES Remove Cylinder HeadDisassemble Cylinder Head InspectionAssemble Cylinder Head Install Cylinder Head NOTE: Do not torque each screw in one step as it may result in a warped cylinder head. Step- torque all screws to approximately 1/3 of final torque value, then to 2/3 final torque value, then finish at final torque value Remove Cylinder Head Models 200000, 210000, 280000, 310000,Disassemble Cylinder Head InspectionAssemble Cylinder Head mm or more, replace the entire head. If plug gauge is not available, see Section 12 - Engine Specifications for the valve guide reject dimensionInstall Cylinder Head 4.Install push rods through guides and into same positions as removed. Ensure rods are seated in valve tappets. Place valve stem caps if used on valve stems Figure Page SECTION 7 - STARTERS REWIND STARTERS Remove Blower Housing / Rewind StarterHorizontal Models 110000, 120000, 150000, 200000, Vertical Models 97700,Vertical Models 110000, Disassemble Rewind Starter Service Rewind StarterVertical Model Inspect Rewind Starter Parts Assemble Rewind StarterVertical Models 110000, 2.Install the oil fill tube and dipstick CVertical Models 97700, Service Starter Clutch Vertical ModelDisassemble Starter Clutch Inspect Clutch PartsELECTRIC STARTERS Replace Ring GearSystem 3, System Check Starter Drive and ClutchInstall Starter Drive and Clutch 12 Volt StartersRemove Starter Drive and Clutch Check Starter Drive and ClutchAssemble Starter Motor Drive - C-Ring Retainer Disassemble Starter Drive - Roll Pin Retainer 120-VoltStarters Assemble Starter Drive - Roll Pin RetainerSECTION 8 - LUBRICATION SYSTEMS EXTENDED OIL FILL AND DIPSTICK BREATHERSInstall Breather Horizontal Models 110000, 120000,3.Inspect oil drain-backholes C, Figure 3 to make sure they are open. Clean as needed Install BreatherCheck Breather Remove BreatherInstall Breather 8Current ProductionRemove Breather Check BreatherLUBRICATION SYSTEMS Install BreatherOil Dipper Lubrication Oil Slinger LubricationOil Pump Service Oil Slinger with Pressure FiltrationPressure Lubrication Vertical Models 120000, 210000, 280000, 310000,Remove Pump Screen Oil Filter and Adapters Remove Install Screen and Gerotor PumpInspect Oil Pump Parts Oil Pressure Switch InstallTest Oil Pressure Switch Oil Gard SystemsLead Wire Colors Lead Wire ColorsTroubleshooting IdentificationSECTION 9 - CYLINDERS, COVERS AND SUMPS CYLINDER Inspect CylinderReconditioning Bore Resizing BoreMAIN BEARINGS Cleaning CylinderCheck Bearings Check Plain BearingsReplace Bearings Replace DU BearingsMagneto Bearing Tools PTO Bearing ToolsReplace Ball Bearing Horizontal Models 120000, Bearing Installation Tools Replace Ball Bearing Horizontal Models 200000,Bearing Removal Tools Tool/PartReplace Ball Bearing All Vertical Models COVERS AND SUMPS InstallationFigure Figure FigurePage SECTION 10 - CRANKSHAFTS, CAMSHAFTS, BALANCING SYSTEMS, AND GEAR REDUCTIONSCRANKSHAFTS AND CAMSHAFTS Remove Crankshaft and CamshaftInspect Check CrankshaftInstall Crankshaft and Camshaft Install Crankcase Cover or Sump Check and Adjust Crankshaft End Play GEAR REDUCTION Disassemble Gear ReductionAssemble Gear Reduction Inspect Gear Reduction PartsFill Gear Case with Lubricant AUXILIARY PTO InspectionRemove Auxiliary PTO Drive Shaft Assemble Auxiliary PTO Drive ShaftCOUNTERBALANCE SYSTEMS Synchro-BalanceSystemDisassemble Remove Counterbalance SystemInstall AssembleInstall AVS Balance SystemRemove DisassemblePage SECTION 11 - PISTONS, RINGS AND CONNECTING RODS PISTONS, RINGS, & CONNECTING RODS Remove Piston and Connecting RodDisassemble InspectCheck Ring End Gap Check Connecting RodAssemble Install Piston and Connecting Rod SECTION 12 - ENGINE SPECIFICATIONS MODEL 110000 HORIZONTAL SERIES ENGINE SPECIFICATIONSFASTENER TORQUE SPECIFICATIONS TORQUEREJECT DIMENSIONS MODEL 120000 HORIZONTAL SERIES ENGINE SPECIFICATIONSFASTENER TORQUE SPECIFICATIONS TORQUEMain Bearing MODEL 150000 HORIZONTAL SERIES ENGINE SPECIFICATIONSFASTENER TORQUE SPECIFICATIONS TORQUEREJECT DIMENSIONS MODEL 200000 HORIZONTAL SERIES ENGINE SPECIFICATIONSFASTENER TORQUE SPECIFICATIONS TORQUEMain Bearing MODEL 210000 HORIZONTAL SERIES ENGINE SPECIFICATIONSFASTENER TORQUE SPECIFICATIONS TORQUEMain Bearing MODELS 97700 & 99700 VERTICAL SERIES ENGINE SPECIFICATIONSFASTENER TORQUE SPECIFICATIONS TORQUEREJECT DIMENSIONS MODEL 110000 VERTICAL SERIES ENGINE SPECIFICATIONSFASTENER TORQUE SPECIFICATIONS TORQUEREJECT DIMENSIONS MODEL 120000 VERTICAL SERIES ENGINE SPECIFICATIONSFASTENER TORQUE SPECIFICATIONS TORQUEREJECT DIMENSIONS MODEL 210000 VERTICAL SERIES ENGINE SPECIFICATIONSFASTENER TORQUE SPECIFICATIONS TORQUEREJECT DIMENSIONS MODEL 280000 VERTICAL SERIES ENGINE SPECIFICATIONSFASTENER TORQUE SPECIFICATIONS TORQUEMain Bearing MODEL 310000 VERTICAL SERIES ENGINE SPECIFICATIONSFASTENER TORQUE SPECIFICATIONS TORQUEMain Bearing MODEL 330000 VERTICAL SERIES ENGINE SPECIFICATIONSFASTENER TORQUE SPECIFICATIONS TORQUEMain Bearing
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