LAWN-BOY SERVICE MANUAL 1950-88 (FORM 492-4608, INTERNET REVISION)

TABLE OF CONTENTS

DEDICATION & OBJECTIVE

FOREWORD

SAFETY

SECTION 1 - MOWER HISTORY - TWO CYCLE THEORY

SECTION 2 - USING THIS MANUAL

SECTION 3 - ENGINE DIAGNOSIS - EXHAUST PORT CLEANING

SECTION 4 - FUEL SYSTEM

GENERAL (4-1 TO 4-4)

D-400 & D-600 SERIES ENGINES (4-5 TO 4-28)

F-SERIES ENGINES - GENERAL (4-29 TO 4-33)

F-SERIES CARBURETOR IDENTIFICATION (4-34 TO 4-35)

F-100 SERIES CARBURETOR - EARLY MODEL (4-36 TO 4-37)

F-100 & 300 SERIES CARBURETOR (4-38 TO 4-41)

F-100/200/300 SERIES REED VALVES (4-42)

F-100 & 300 SERIES FUEL SYSTEM TROUBLESHOOTING (4-43)

F-200 SERIES COMMERCIAL CARBURETOR (METAL) (4-56 TO 4-60)

F-200 SERIES FUEL SYSTEM TROUBLESHOOTING (4-61)

SECTION 5 - GOVERNOR SYSTEM

D-400 SERIES GOVERNOR (5-1 TO 5-4)

D-600 SERIES GOVERNOR (5-5 TO 5-6)

F-100 SERIES GOVERNOR (4-44 TO 4-53)

F-200 SERIES GOVERNOR (4-62 TO 4-64)

F-300 SERIES GOVERNOR (4-54 TO 4-55)

SECTION 6 - IGNITION SYSTEM

D-400 SERIES ENGINE (6-1 TO 6-6, 6-15)

D-600 SERIES ENGINE (6-17 TO 6-23, 6-15)

F- SERIES ENGINE (6-7 TO 6-13, 6-23)

SECTION 7 - STARTER SYSTEM - MANUAL/ELECTRIC

D-400 SERIES - MANUAL STARTER (7-1 TO 7-3)

D-600 SERIES - MANUAL STARTER (7-4 TO 7-7, 7-9)

D-400/600 SERIES - SELF-PROPEL STARTER INTERLOCK (7-8)

F-SERIES MANUAL SIDE MOUNT STARTER (7-16 TO 7-19)

F- SERIES SELF-PROPEL SIDE MOUNT STARTER INTERLOCK (1978-82) (7-20 TO 7-23)

D-400 SERIES - ELECTRIC STARTER (7-10 TO 7-11)

D-600 SERIES - ELECTRIC STARTER (7-12)

F-SERIES ELECTRIC STARTER (7-13 TO 7-15, 7-24 TO 7-25)

SECTION 8 - POWERHEAD

D-400 SERIES - TEARDOWN/REASSEMBLY (8-1 TO 8-9, 8-16 TO 8-24)

D-600 SERIES - TEARDOWN/REASSEMBLY (8-9 TO 8-15, 8-24)

F-SERIES TEARDOWN/REASSEMBLY (8-24 TO 8-37)

SECTION 9 - ADJUSTMENTS, SAFETY FEATURES, BLADE, BLADE HOUSING

ADJUSTMENTS (NOT APPLICABLE TO ALL MODELS) (9-1 TO 9-7)

SAFETY FEATURES (NOT APPLICABLE TO ALL MODELS) (9-8 TO 9-11)

BLADE AND BLADE HOUSING (9-12 TO 9-18)

SECTION 10 - SELF-PROPELLED SERVICING

C & D-400 SERIES CAPSTAN DRIVE - LOWER DRIVE BELT SYSTEM (10-1 TO 10-6)

C & D-400 SERIES CAPSTAN DRIVE - UPPER DRIVE BELT SYSTEM (10-7 TO 10-13)

D-600 SERIES CAPSTAN DRIVE (10-14 TO 10-19)

F-SERIES CAPSTAN DRIVE (10-20 TO 10-32)

UTILITY MODEL 8600, 8601 WITH D-SERIES ENGINE - CAPSTAN DRIVE (10-33 TO 10-43)

UTILITY & SCAMP MODELS 8602, 8603, 8604, 8605 WITH F-SERIES ENGINE - CAPSTAN DRIVE (10-44 TO 10-53)

SECTION 11 - RIDING MOWERS

CONTENTS (11-I TO 11-VI)

MODEL 9300 (11-1 TO 11-16)

MODEL 9301, 9302, 9302E, 9303E, 9600, 9601 (11-17 TO 11-54)

MODEL 9500, 9501 (11-55 TO 11-79)

MODEL 9266, 9328, 9328E, 9328ES, 9329S, 9329ES, 9368, 9368E, 9368ES, 9369ES (11-80 TO 11-98)

SECTION 12 - SNOW BLOWERS

CONTENTS (12-1)

MODEL 2650, 2650A, 2650B, 2680, 2680A, 2680B (12-2 TO 12-11)

MODEL 1840, 1840A (12-12 TO 12-15)

MODEL 1850 (12-16 TO 12-21)

SECTION 13 - BATTERIES, ALTERNATORS, ELECTRIC MOWERS

BATTERIES (13-1 TO 13-18)

ALTERNATORS (13-19 TO 13-31)

CORDLESS MOWER SERVICING (13-32 TO 13-37)

110 VOLT ELECTRIC MOWER MOTOR SERVICING (13-38 TO 13-40)

SECTION 14 - TOOLS & SPECIAL SERVICE ITEMS (14-2 TO 14-18)

SECTION 15 - DEALER SECTION - AIDS AND SHOP HINTS (REMOVED, NO LONGER APPLICABLE)

SECTION 16 - ENGINE & TORQUE SPECIFICATIONS

QUICK REFERENCE CHART BY MODEL (16-1 TO 16-18)

QUICK REFERENCE CHART BY ENGINE (16-19 TO 16-21)

TORQUE SPECIFICATIONS (16-22 TO 16-29)

ENGINE SPECIFICATIONS/COMPARISON (16-30 TO 16-32)

SECTION 17 - C-SERIES ENGINE SERVICE (17-1 TO 17-12)

SECTION 18 - GRASS TRIMMERS

EDGER-TRIMMER SERVICE (17-13)

SPECIFICATIONS & TROUBLESHOOTING (18-2 TO 18-5)

MODEL 1300, 1330, 1360, 3100, 3130, 3160 (18-6 TO 18-24)

MODEL SSI, SSII, 1400, 1460 (PISTON POWER PRODUCTS / RYOBI) (18-26 TO 18-54)

SECTION 19 - 1983/1984 CPSC SAFETY STANDARD COMPLIANT MOWERS

MODEL LISTING (19-1 TO 19-2)

BLADE BRAKE CLUTCH (BBC) SERVICE (19-7 TO 19-18)

CD IGNITION, ALTERNATOR, CARBURETOR, PRIMER INFORMATION (19-19 TO 19-20)

STARTERS (19-21 TO 19-26)

ENGINE, BLADE & BLADE HOUSING INFORMATION (19-27 TO 19-29)

HOSE AND WIRE ROUTING (19-32 TO 19-34)

TROUBLESHOOTING (19-35 TO 19-40)

MODEL 4250, 4505, 8605 & LATER COMPLIANT MOWERS WITH CAPSTAN DR. (19-41 TO 19-57, 19-60 TO 19-63)

SECTION 20 - 1984 MODEL 8125 SERVICE (20-1 TO 20-23)