Yamaha EF1000A Service Manual
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FOREWORD This manual was written by the Yamaha Motor Company primarily for use by Yamaha dealers and their qualified mechanics. It is not possible to put an entire mechanics education into one manual, so it is assumed that persons using this book to perform maintenance and repairs on Yamaha generators have a basic understanding of the mechanical precepts and procedures inherent to generator repair technology. Without such knowledge, attempted repairs or service to this model may render it...
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CD GEN l!al INFO ® •II !lull ENG - @ I sPec I u-1 @ ~ ® -l ® ~ @ [ij] @ 1 - m ® l a @ ~~~~l§ll @ IELeciUI (J) ~ ® 1~1 @ § @ 1 9 ® ~ @ mil ILLUSTRATED SYMBOLS (Refer to the illustration) Illustrated symbols CD to@ are designed as thumb tabs to indicate the chapters number and content. CD General information @ Periodic inspection and adjustment @ Engine @ Electrical @ Specifications Illustrated symbols@ to@ are used to identi fy the specifications...
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INDEX GENERAL INFORMATION PERIODIC INSPECTIONS AND ADJUSTMENTS ENGINE ELECTRICAL SPECIFICATIONS •mlull - ENG ELEC SPEC
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CONTENTS Chapter 1. GENERAL INFORMATION MACHINE IDENTIFICATION ................. 1-1 ENGINE SERIAL NUMBER ...................... 1-1 STARTING SERIAL NUMBER .................. 1-1 IMPORTANT INFORMATION ............... 1-2 PREPARATION FOR REMOVAL AND DISASSEMBLY ......................................... 1-2 NOTES ON SERVICE ................................ 1-2 ALL REPLACEMENT PARTS .................... 1-4 GASKETS, OIL SEALS AND 0-RINGS .... 1-4 BEARINGS AND OIL SEALS .......................
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INSPECTION ........................................... 3-29 Chapter 4. ELECTRICAL ELECTRICAL COMPONENTS.............. 4-1 WIRING DIAGRAM............................. 4-1 SWITCH INSPECTION........................... 4-2 IGNITION SYSTEM ................................ 4-3 TROUBLE SHOOTING ............................. 4-3 GENERATOR SYSTEM.......................... 4-7 TROUBLE SHOOTING ............................. 4-7 Chapter 5. SPECIFICATIONS GENERAL SPECIFICATIONS................ 5-1...
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i: ------. -**•--- - . - MACHINE IDENTIFICATION ~~~~~ 1•1 1-1 GENERAL INFORMATION MACHINE IDENTIFICATION ENGINE SERIAL NUMBER The engine serial number CD is stamped into the right side of the body NOTE-· --------------------------The first three digits of these numbers are for model identification; the remaining digits are the unit production number. STARTING SERIAL NUMBER I EF1000A I 7TA-200101 ... NOTE-·-------------------------- Designs and specifications are subject to change without...
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[ .~ 0 IMPORTANT INFORMATION GEN .-a INFO l!l) 1-2 IMPORTANT INFORMATION PREPARATION FOR REMOVAL AND DISASSEMBLY NOTES ON SERVICE 1. Fire prevention When servicing the engine, always keep away from fire. 2. Right tools Be sure to use the right special tool for the job to guard against damage. 3. Oil, grease and sealers Be sure to use genuine Yamaha oils, greases and sealers, or the equivalents. 4. Expendable parts Always replace gaskets, 0-rings, cotter pins, and...
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Solvent IMPORTANT INFORMATION GEN ..-. INFO. 1-3 5. Tightening torque Be sure to follow torque specifications. When tightening bolts, nuts or screws, start with the largest-diameter one and work from an inner position to an outer position in a crisscross pattern. 6. Notes on disassembly and assembly a. Parts should be cleaned in solvent and blown dry with compressed air after disas sembly. b. Contact surfaces of moving parts should be oiled when reassembled. c. Make sure that parts...
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IMPORTANT INFORMATION 300-002 300-003 1-4 ALL REPLACEMENT PARTS 1. We recommend to use Yamaha genuine parts for all replacements. Use oil and/or grease recommended b Yamaha for as sembly and adjustment. GASKETS, OIL SEALS, AND 0-RINGS 1. All gaskets, seals, and 0-rings should be replaced when an engine is overhauled. All gasket surfaces, oil seal lips, and 0- rings must be cleaned. 2. Properly oil all mating parts and bearings during reassembly. Apply grease to the oil seal...