Briggs & Stratton 750 DOV Series Dokumentacja

700/750 SERIES DOV AIR-COOLED ENGINES273521 Twin Cylinder OHV Air-Cooled Engines276781 Single Cylinder OHV Air-Cooled Engines271172 Twin Cylinder L-He

611WARNINGUnintentional sparking can result in fire or electrical shock.Unintentional start-up can result in entanglement, traumatic amputation, or se

811Oil ChangeChange oil after the first 5 hours of operation. After that, change oil after every 50 hours of operation. Change oil more often if engin

1011Combustion ChamberRemove combustion chamber deposits every 500 hours or whenever the cylinder head is removed.With the piston at Top Dead Center (

1211Adjust Valve ClearanceNOTE: Check valve clearance while the engine is cold.1. Insert a narrow gauge such as a screwdriver, rod, or pencil (A, Figu

1411Adjust Alternator Air Gap1. Remove spark plug. 2. Loosen alternator screws (A, Figure 1-12). and slide alternator (B) away from flywheel. 3. Tight

1611Remove Flywheel Brake1. Disconnect and remove spring from brake anchor. 2. Disconnect safety control cable from brake assembly. 3. Loosen brake sc

1812SYSTEMS CHECKMost complaints concerning engine operation can be classified as one or a combination of the following:• Will not start• Hard startin

2012ELECTRICAL SYSTEMSEquipment Used for TestingDigital MultimeterA digital multimeter is recommended for all electrical testing of Briggs & Strat

2212Starter Motor TestingBefore assuming an electric starter requires service, check the engine for freedom of rotation by removing the spark plug and

2412Check Battery Installation1. Ensure the battery is in a holder with a flat base. Tighten holder down evenly until snug. DO NOT over tighten. 2. Cl

FORWARDThis manual was written to assist engine technicians and service personnel with the repair andmaintenance procedures for Briggs & Stratton

2613EXHAUST SYSTEMFigure 3 - 1

2813

3044FUEL TANKFigure 4 - 1

3244CARBURETORFigure 4 - 2

3444

3645GOVERNOR SYSTEMFigure 5 - 1

3845Assemble Governor1. Install governor crank from inside cylinder. Slide washer on crank and install new push nut or clip. 2. Install governor gear

4066CYLINDER HEAD AND VALVESFigure 6 - 1

4266

4477ELECTRIC STARTERFigure 7 - 1

712345689101112SECTION 1 - Safety, Maintenance and AdjustmentsSECTION 2 - TroubleshootingSECTION 3 - Exhaust SystemsSECTION 5 - Governor SystemsSECTIO

4677REWIND STARTERFigure 7 - 2

4877

5048LUBRICATION SYSTEMFigure 8 - 1

5248

5449CYLINDER AND SUMPFigure 9 - 1

THISPROPER SERVICE AND REPAIR IS IMPORTANT TO THE SAFE, ECONOMICAL AND RELIABLE

5649Inspect Sump1. Remove oil seal and discard. 2. Visually inspect sump for cracks, stripped threads, and wear in bearing surfaces. If damage is foun

58410CRANKSHAFTFigure 10 - 1

60410

62411PISTON, RINGS, AND CONNECTING RODFigure 11 - 1

644111. Clean all carbon from the rings and the cylinder bore. 2. Insert one of the original rings approximately one inch down the cylinder bore. 3. M

66411

6712SECTION 12 - ENGINE SPECIFICATIONSMODEL 090600 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

6812ENGINE SPECIFICATIONSMODEL 090600ENGINE SPECIFICATIONSAlternator Air Gap .006 - .014 in. (.15 - .33 mm)Armature Air Gap .006 - .014 in. (.15 - .3

6912REJECT DIMENSIONS STANDARD SIZE REJECT SIZECYLINDERMain Bearing .876 in. (22.25 mm) .878 in. (22.30 mm)Bore Diameter 2.520 in. (64.00 mm) 2.525 in

7012MODEL 100600ENGINE SPECIFICATIONSAlternator Air Gap .006 - .014 in. (.15 - .33 mm)Armature Air Gap .006 - .014 in. (.15 - .33 mm)Crankshaft End P

7112REJECT DIMENSIONS STANDARD SIZE REJECT SIZECYLINDERMain Bearing .876 in. (22.25 mm) .878 in. (22.30 mm)Bore Diameter 2.520 in. (64.00 mm) 2.525 in

7212MODEL 100800ENGINE SPECIFICATIONSAlternator Air Gap .006 - .014 in. (.15 - .33 mm)Armature Air Gap .006 - .014 in. (.15 - .33 mm)Crankshaft End P

7312REJECT DIMENSIONS STANDARD SIZE REJECT SIZECYLINDERMain Bearing .876 in. (22.25 mm) .878 in. (22.30 mm)Bore Diameter 2.520 in. (64.00 mm) 2.525 in

7412

411SAFETY INFORMATIONThis repair manual contains safety information that is designed to:• Make you aware of hazards associated with engines.• Inform y