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Yamaha EF7000 User Manual

Yamaha EF7000
178 pages
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SERVICE MANUAL
EF7000
EF7000E
EF7200
EF7200E
EF7200DE
7P6-F8197-E0
2014_05×1
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7P6-F8197-E0_cover.indd 1 2014/05/29 15:46:41

Table of Contents

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Yamaha EF7000 Specifications

General IconGeneral
TypePortable Generator
Rated AC Voltage120 / 240 V
Displacement357 cc
Starting SystemElectric Start
DC Output12V / 8A
Rated Output5500 W
Max Output7000 Watts
Maximum AC Output7000 Watts
Engine Type4-stroke, OHV
Noise Level58 dBA

Summary

CHAPTER 1. GENERAL INFORMATION

MODEL VARIATIONS

Details differences between generator models based on region and specifications.

MACHINE IDENTIFICATION

Explains how to locate and identify the generator's serial number and model.

IMPORTANT INFORMATION

Covers essential safety precautions, tool usage, and service notes for maintenance.

BASIC SERVICE INFORMATION

Provides fundamental procedures for checking the electrical system and connections.

SPECIAL TOOLS AND TESTERS

Lists and describes specialized tools required for accurate tune-ups and repairs.

CHAPTER 2. PERIODIC CHECKS AND ADJUSTMENTS

INTRODUCTION

Introduces the chapter's focus on recommended checks and adjustments for reliable operation.

MAINTENANCE INTERVALS CHART

Presents a schedule of periodic maintenance items and their recommended intervals.

PERIODIC MAINTENANCE

Details routine checks for spark plug, fuel, oil, air filter, and muffler for optimal performance.

ADJUSTING THE ENGINE SPEED

Provides steps for adjusting engine speed based on model variations and operating conditions.

RECOIL STARTER

Outlines checks for smooth operation and replacement of defective recoil starter parts.

FITTINGS AND FASTENERS

Describes the inspection and correction of loose or damaged fittings and fasteners.

CHAPTER 3. ENGINE

CONTROL BOX

Explains the removal and installation procedures for the generator's control box.

AIR FILTER

Details the process for removing, checking, cleaning, and installing the air filter element.

FUEL TANK, CANISTER

Covers the removal and checking procedures for the fuel tank and canister assembly.

MUFFLER

Describes the decarbonization and installation process for the muffler and its components.

ENGINE

Outlines the procedure for removing and installing the main engine assembly.

CHAPTER 4. CARBURETOR

REMOVING THE CARBURETOR

Step-by-step instructions for safely removing the carburetor from the engine.

DISASSEMBLING THE CARBURETOR

Detailed process for taking apart the carburetor for EF7000/EF7200 models.

CHECKING THE FUEL CUT SOLENOID VALVE

Procedures for testing the fuel cut solenoid valve's resistance and operational status.

CHAPTER 5. ELECTRICAL

CIRCUIT DIAGRAM

Provides comprehensive wiring diagrams for various generator models and their electrical systems.

CONTROL PANEL

Details the removal, disassembly, and installation of control panel components.

BATTERY

Covers the procedures for checking, charging, and maintaining the generator's battery.

IGNITION SYSTEM

Troubleshooting guide for common ignition system faults like weak or no spark.

ELECTRIC STARTING SYSTEM

Troubleshooting chart for diagnosing issues with the electric starter motor and related components.

GENERATOR SYSTEM

Troubleshooting guide for common generator system faults, including AC output issues.

CHAPTER 6. TROUBLESHOOTING

ENGINE

Troubleshooting chart for common engine starting, stalling, and speed regulation problems.

CHAPTER 7. SPECIFICATIONS

GENERAL SPECIFICATIONS

Lists overall dimensions, weight, noise levels, and engine type for different models.

MAINTENANCE SPECIFICATIONS

Provides detailed dimensional specifications and wear limits for engine internal parts.

TIGHTENING TORQUES

A comprehensive table of torque specifications for various fasteners and components.

LUBRICATION POINTS AND TYPE OF LUBRICANTS

Identifies all lubrication points and the recommended types of lubricants to use.

WIRE ROUTING DIAGRAM

Illustrates the routing and connection of wiring harnesses for various control panel configurations.

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