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Briggs & Stratton 273521, 271172, 270962, CE8069, 276535 Replace Ball Bearing All Vertical Models

Models: 273521 276535 CE8069 270962 271172

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Replace Ball Bearing

4.Insert screw, with washer and driver through the ball bearing and thread into support. Continue tightening screw until ball bearing is removed.

Figure 16

5.Lubricate outside diameter of new ball bearing. Place ball bearing on support (A, Figure 17).

6.Insert small end of installation driver (B) in oil seal bore. Assemble washer (C) to puller screw (D).

7.Insert screw through pilot and thread into support. Tighten screw until ball bearing is seated.

8.Install new oil seal. Use large end of Driver #19320, and press in oil seal until flush with crankcase cover.

9.Install governor idler gear and E-ring.

Figure 17

NOTE: Always install new oil seals when engine is reassembled or when replacing bearings. Always use the correct seal protector to prevent damaging the oil seal during installation.

Replace Ball Bearing

All Vertical Models

1. Select tools needed from charts below.

Bearing Removal Tools

Tool/Part	Tool/Part #
Description
Washer	690582
Puller Screw	19318
Removal Driver	19401
Removal Support	19454

Bearing Installation Tools
Tool/Part	Tool/Part #
Description
Washer	690582
Puller Screw	19318
Installation Driver	19396
Installation Support	19454

2.Remove oil seal.

3.Assemble washer (C, Figure 18) to puller screw (D).Insert puller screw and washer through small end of driver (B). Insert from outside of sump against inner race of ball bearing.Place large end of support (A) over ball bearing.

4.Insert screw with washer and driver through ball bearing and thread into support. Continue tightening screw until ball bearing is removed.

9

Figure 18

5.Lubricate outside diameter of ball bearing. Place ball bearing on support (A, Figure 19).

6.Insert large end of driver (B) into oil seal bore. Place washer (C) on puller screw (D).

7.Insert screw through drive and thread into support. Tighten screw until ball bearing is seated.

8.Install new oil seal. Use large end of Driver #19401 to press in oil seal to 3/16” (4.7mm) depth.

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Briggs & Stratton 273521, 271172, 270962, CE8069, 276535 manual Replace Ball Bearing All Vertical Models

Contents

Single Cylinder OHV Air-CooledEngines Briggs & ledooStrattonQuality Starts With A Master Service Technician 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 Fuel must meet these requirements ENGINE MAINTENANCEFuel and Oil Recommendations High AltitudeEvery 25 Hours or Annually Maintenance Chart First 5 HoursEvery 8 Hours or Daily Every 50 Hours or AnnuallyInspect Brake and Switches Assemble Flywheel BrakeCombustion Chamber Air FilterFigure Figure Figure Figure Figure FigureRemove InstallSnow Hood InspectionNOTICE Oil and Oil FilterSpark Plug NOTICECooling System Remote Control Wire Travel ENGINE ADJUSTMENTSRemote Controls 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 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Engine Stopped SYSTEMS CHECK1 Check Ignition Engine Running2 Check Carburetion Testing Fuel Shut Off SolenoidSolenoid Wiring Test Solenoid Plunger Test3 Check Compression Possible Causes for Poor CompressionDigital Multimeter ELECTRICAL SYSTEMSEquipment Used for Testing DC ShuntPossible Causes Alternator System DiagnosisComplaint Alternator Identification 3.3 Amp DC Only Figure 1.0.5 Amp DC Only Figure2.14 Volt AC Only Figure 4.Dual Circuit Figure8.20 Amp DC Figure 6.5/9 Amp DC Figure7.10/16 Amp DC Figure 5 Amp DC Only Alternator Testing Alternator OutputFlywheel Identification 3-AmpDC Only Alternator14-VoltAC Alternator Test DiodeTest Alternator Output-AC Dual Circuit AlternatorTest Alternator Output Test Alternator Output-DCTri-CircuitAlternator Test DiodeTest Alternator Output Charging Circuit Test RED WireLighting Circuit Test WHITE Wire Test DiodeTest Regulator-Rectifier 5 & 9 Amp DC Regulated AlternatorTest Alternator Output receptacle 10 & 16 Amp DC Regulated AlternatorTest Alternator Output Test Regulator - Rectifier2.Install shunt to negative -battery terminal NOTICE DC Output Charging Wire Test20 Amp DC Regulated Alternator 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, Battery Installation BATTERIESBattery and Cable Recommendations Charging BatteryTesting Battery Hard Starting or Will Not Start EQUIPMENT AFFECTING ENGINE OPERATIONOIL GARD SYSTEMS Engine Won’t StopOn/Off Switch Light Does Not Flash Engine Starts and Runs With Low OilSECTION 3 - EXHAUST SYSTEMS Horizontal Models 110000, 120000, MUFFLER SERVICESpark Arresters Remove Guard and MufflerInspect Exhaust System Never reinstall broken or damaged componentsInstall Muffler and Guard Remove Guard and Muffler Horizontal Models 200000,Shown is a typical muffler application Figure 3.Remove muffler support screws A, FigureInspect Exhaust System Never reinstall broken or damaged componentsInstall Muffler and Guard 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 partsVertical Models 97700, 99700, 110000, Never reinstall broken or damaged componentsInstall Muffler and Guard Inspect Exhaust SystemInspect Exhaust System Never reinstall broken or damagedInstall Muffler and Guard componentsInspect Exhaust System Never reinstall broken or damaged componentsRemove Muffler Install Muffler Shown is a typical muffler application Figure Never reinstall broken or damaged componentsInstall Muffler Remove MufflerSECTION 4 - FUEL SYSTEMS AND CARBURETION FUEL SYSTEMS Removal InstallationFuel Pump InspectionHorizontal Models 110000, 120000, 150000, 200000, Fuel FilterFuel Tanks and Shut-offValves RemovalVertical Models 97700, 99700, 110000, InstallationInstallation 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 Carburetor•Passages in the fixed main jet bowl nut Inspect and Clean Carburetor ComponentsDisassemble Carburetor 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 OrientationHorizontal Models 110000, 120000, 150000, 200000, Governor ServiceGoverned RPM Limits 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 Disassemble Cylinder Head Remove Cylinder HeadModels 200000, 210000, 280000, 310000, 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 Horizontal Models 110000, 120000, 150000, 200000, REWIND STARTERSRemove Blower Housing / Rewind Starter 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, Disassemble Starter Clutch Service Starter ClutchVertical Model Inspect Clutch PartsSystem 3, System ELECTRIC STARTERSReplace Ring Gear Check Starter Drive and ClutchRemove Starter Drive and Clutch Install Starter Drive and Clutch12 Volt Starters 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 Install Breather EXTENDED OIL FILL AND DIPSTICKBREATHERS Horizontal Models 110000, 120000,Check Breather 3.Inspect oil drain-backholes C, Figure 3 to make sure they are open. Clean as neededInstall Breather Remove BreatherRemove Breather Install Breather8Current Production Check BreatherOil Dipper Lubrication LUBRICATION SYSTEMSInstall Breather Oil Slinger LubricationPressure Lubrication Oil Pump ServiceOil Slinger with Pressure Filtration Vertical Models 120000, 210000, 280000, 310000,Remove Pump Screen Oil Filter and Adapters Remove Install Screen and Gerotor PumpInspect Oil Pump Parts Test Oil Pressure Switch Oil Pressure SwitchInstall Oil Gard SystemsTroubleshooting Lead Wire ColorsLead Wire Colors IdentificationSECTION 9 - CYLINDERS, COVERS AND SUMPS Reconditioning Bore CYLINDERInspect Cylinder Resizing BoreCheck Bearings MAIN BEARINGSCleaning Cylinder Check Plain BearingsMagneto Bearing Tools Replace BearingsReplace DU Bearings PTO Bearing ToolsReplace Ball Bearing Horizontal Models 120000, Bearing Removal Tools Bearing Installation ToolsReplace Ball Bearing Horizontal Models 200000, Tool/PartReplace Ball Bearing All Vertical Models COVERS AND SUMPS InstallationFigure Figure FigurePage SECTION 10 - CRANKSHAFTS, CAMSHAFTS, BALANCING SYSTEMS, AND GEAR REDUCTIONSInspect CRANKSHAFTS AND CAMSHAFTSRemove Crankshaft and Camshaft Check CrankshaftInstall Crankshaft and Camshaft Install Crankcase Cover or Sump Check and Adjust Crankshaft End Play Assemble Gear Reduction GEAR REDUCTIONDisassemble Gear Reduction Inspect Gear Reduction PartsFill Gear Case with Lubricant Remove Auxiliary PTO Drive Shaft AUXILIARY PTOInspection Assemble Auxiliary PTO Drive ShaftDisassemble COUNTERBALANCE SYSTEMSSynchro-BalanceSystem Remove Counterbalance SystemInstall AssembleRemove InstallAVS Balance System DisassemblePage SECTION 11 - PISTONS, RINGS AND CONNECTING RODS Disassemble PISTONS, RINGS, & CONNECTING RODSRemove Piston and Connecting Rod InspectCheck Ring End Gap Check Connecting RodAssemble Install Piston and Connecting Rod SECTION 12 - ENGINE SPECIFICATIONS FASTENER TORQUE SPECIFICATIONS MODEL 110000 HORIZONTAL SERIESENGINE SPECIFICATIONS TORQUEREJECT DIMENSIONS FASTENER TORQUE SPECIFICATIONS MODEL 120000 HORIZONTAL SERIESENGINE SPECIFICATIONS TORQUEMain Bearing FASTENER TORQUE SPECIFICATIONS MODEL 150000 HORIZONTAL SERIESENGINE SPECIFICATIONS TORQUEREJECT DIMENSIONS FASTENER TORQUE SPECIFICATIONS MODEL 200000 HORIZONTAL SERIESENGINE SPECIFICATIONS TORQUEMain Bearing FASTENER TORQUE SPECIFICATIONS MODEL 210000 HORIZONTAL SERIESENGINE SPECIFICATIONS TORQUEMain Bearing FASTENER TORQUE SPECIFICATIONS MODELS 97700 & 99700 VERTICAL SERIESENGINE SPECIFICATIONS TORQUEREJECT DIMENSIONS FASTENER TORQUE SPECIFICATIONS MODEL 110000 VERTICAL SERIESENGINE SPECIFICATIONS TORQUEREJECT DIMENSIONS FASTENER TORQUE SPECIFICATIONS MODEL 120000 VERTICAL SERIESENGINE SPECIFICATIONS TORQUEREJECT DIMENSIONS FASTENER TORQUE SPECIFICATIONS MODEL 210000 VERTICAL SERIESENGINE SPECIFICATIONS TORQUEREJECT DIMENSIONS FASTENER TORQUE SPECIFICATIONS MODEL 280000 VERTICAL SERIESENGINE SPECIFICATIONS TORQUEMain Bearing FASTENER TORQUE SPECIFICATIONS MODEL 310000 VERTICAL SERIESENGINE SPECIFICATIONS TORQUEMain Bearing FASTENER TORQUE SPECIFICATIONS MODEL 330000 VERTICAL SERIESENGINE SPECIFICATIONS TORQUEMain Bearing