Toro 20107, 20210, 20325, 20324, 20328B Service Manual

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OHV GTS 150 ENGINE SERVICE MANUAL

Table Of Contents – Page 1 of 4

PREFACE

SAFETY INFORMATION

SAFETY TIPS

SPECIFICATIONS

GTS 150 ENGINE SPECIFICATION

GTS 150 CARBURETOR SPECIFICATIONS

GTS 150 FASTENER TORQUES

TOOL REQUIREMENTS

TROUBLESHOOTING

ENGINE DOES NOT START WHEN "COLD"

ENGINE WILL START "COLD", BUT WILL NOT START "HOT" ENGINE DOES NOT PRODUCE SPARK

ENGINE HAS LOW COMPRESSION ENGINE FLOODED WITH FUEL ENGINE LACKS POWER

BENT PUSH ROD

ENGINE SURGING ENGINE BACK FIRES ENGINE AFTER FIRES ENGINE OVERHEATS

ENGINE VIBRATES EXCESSIVELY ENGINE CRANKSHAFT WILL NOT TURN

ENGINE PRODUCES MECHANICAL KNOCKING SOUND PRE-IGNITION

ENGINE SMOKES EXCESSIVELY ENGINE STALLS

SPARK PLUG FOULED

GTS 150 MAINTENANCE SERVICING AIR CLEANER REPLACING THE SPARK PLUG

REMOVING GASOLINE FROM THE FUEL TANK CHANGING CRANKCASE OIL

CARBURETOR - ADJUSTMENT COMPRESSION - MEASUREMENT THROTTLE - ADJUSTMENT

CLEAN THE ENGINE AND RECOIL STARTER CLEAN THE COOLING SYSTEM PREPARING THE ENGINE FOR STORAGE

OHV GTS 150 ENGINE SERVICE MANUAL

Table Of Contents – Page 2 of 4

SECTION I CARBURETOR CARBURETOR DESCRIPTION

CARBURETOR THEORY AND OPERATION CARBURETOR - REMOVAL CARBURETOR - PRESSURE TESTING CARBURETOR - DISASSEMBLY CARBURETOR - CLEANING AND SERVICE CARBURETOR - ASSEMBLY CARBURETOR - ADJUSTMENT

SECTION 2 FUEL SYSTEM

FUEL TANK - OPERATION

FUEL TANK - REMOVAL

FUEL TANK AND FILTER - CLEANING

FUEL CAP - OPERATION

FUEL CAP - SERVICE

FUEL HOSE - REMOVAL

FUEL HOSE - INSTALLATION

SECTION 3 IGNITION OPERATION

IGNITION OPERATION - FLYWHEEL

IGNITION OPERATION - IGNITION ARMATURE COIL IGNITION OPERATION - SPARK PLUG

ARMATURE COIL WIRING - OPERATION AIR GAP - ADJUSTMENT

IGNITION ARMATURE COIL - REMOVAL

IGNITION ARMATURE COIL - TESTING IGNITION ARMATURE COIL - INSTALLATION

SECTION 4 REWIND STARTER

REWIND STARTER - OPERATION

REWIND STARTERDISASSEMBLY

REWIND STARTER - ASSEMBLY

REWIND STARTER - INSTALLATION

OHV GTS 150 ENGINE SERVICE MANUAL

Table Of Contents – Page 3 of 4

SECTION 5 ENGINE ENGINE - OPERATION INTAKE STROKE COMPRESSION STROKE POWER STROKE EXHAUST STROKE ENGINE DISASSEMBLY

AIR CLEANER - OPERATION AIR CLEANER - REMOVAL REWIND STARTER. OPERATION REWIND STARTER - REMOVAL BLOWER SHROUD - REMOVAL MUFFLER SHROUD - REMOVAL

FLYWHEEL BRAKE - OPERATION (IF INSTALLED) FLYWHEEL BRAKE - REMOVAL (IF INSTALLED) FUEL TANK - OPERATION

FUEL TANK - REMOVAL

MUFFLER - OPERATION MUFFLER - REMOVAL

DIPSTICK AND OIL FILL TUBE - REMOVAL CARBURETOR - OPERATION CARBURETOR - REMOVAL

IGNITION COIL - OPERATION IGNITION COIL - REMOVAL THROTTLE BRACKET - REMOVAL ALTERNATOR - OPERATION

ALTERNATOR - REMOVAL (IF INSTALLED) FLYWHEEL - REMOVAL

ELECTRIC STARTER - OPERATION

ELECTRIC STARTER. REMOVAL (IF INSTALLED) THROTTLE CONTROL LEVER AND LINK ROD - REMOVAL VALVE COVERREMOVAL

HEAD ASSEMBLY - REMOVAL HEAD - DISASSEMBLY

VALVES AND SEATS - RECONDITIONING BREATHER - OPERATION

BREATHER - REMOVAL

OIL PUMP - OPERATION OIL PUMP - REMOVAL SUMP - REMOVAL

GOVERNOR AND SPLASHER - OPERATION GOVERNOR AND SPLASHER - REMOVAL CAMSHAFT - OPERATION

CAMSHAFTREMOVAL

COMPRESSION RELEASE - OPERATION COMPRESSION RELEASE - REMOVAL CRANKSHAFTREMOVAL

PISTON AND CONNECTING ROD - OPERATION

OHV GTS 150 ENGINE SERVICE MANUAL

Table Of Contents – Page 4 of 4

SECTION 5 ENGINE - continued

PISTON AND CONNECTING ROD - REMOVAL PISTON RINGS - REMOVAL

PISTON PIN - REMOVAL GOVERNOR ARM - REMOVAL ENGINE ASSEMBLY

PISTON PIN - INSTALLATION

PISTON RING - INSTALLATION PISTON - INSTALLATION CRANKSHAFT - INSTALLATION GOVERNOR SHAFT - INSTALLATION CAM FOLLOWERS - INSTALLATION CAMSHAFT - INSTALLATION

GOVERNOR/SPLASHERINSTALLATION SUMP - INSTALLATION

0IL PUMP - INSTALLATION BREATHER - INSTALLATION HEAD - ASSEMBLY

PUSH RODS - INSTALLATION HEAD - INSTALLATION

VALVE CLEARANCE - ADJUSTMENT VALVE COVER - INSTALLATION THROTTLE BRACKET - INSTALLATION

GOVERNOR CONTROL LEVER AND LINK ROD - INSTALLATION CARBURETOR - INSTALLATION

GOVERNOR - ADJUSTMENT ELECTRIC STARTER - INSTALLATION FLYWHEEL - INSTALLATION ALTERNATOR - INSTALLATION

IGNITION ARMATURE COIL - INSTALLATION FLYWHEEL BRAKE - INSTALLATION (IF REQUIRED) MUFFLER - INSTALLATION

MUFFLER SHROUD - INSTALLATION DIPSTICK TUBE - INSTALLATION FUEL TANK - INSTALLATION BLOWER SHROUD - INSTALLATION REWIND STARTERINSTALLATION AIR CLEANER - INSTALLATION SPARK PLUG - INSTALLATION ACKNOWLEDGEMENT

Toro 20107, 20210, 20325, 20324, 20328B Service Manual
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