Yamaha EF1000iS User Manual

Generator
LIT-19626-01-67
7CG-28199-14
PRINTED ON RECYCLED PAPER
PRINTED IN JAPAN
2011.04-0.5×1 !
(E)
EF1000iS
OWNER’S MANUAL
Read this manual carefully before operating this machine.
7CG-28199-14_hyoshi 11.4.18 10:14 Page 1

Yamaha EF1000iS Specifications

General

Type	Inverter
Maximum AC Output	1000 watts
Rated AC Output	900 watts
Noise Level at 1/4 Load	47 dBA
Rated AC Voltage	120V
Continuous Operation at 1/4 Rated Load	12 hours
Weight	13.5 kg
DC Output	8A @ 12V

Summary

Safety Information

Exhaust Fumes Are Poisonous

Warning about operating the engine in enclosed areas due to carbon monoxide.

Fuel Hazards

Precautions for handling flammable and poisonous fuel, including refueling and spill management.

Hot Engine and Muffler

Advises on avoiding contact with hot engine and muffler parts to prevent burns.

Electric Shock Prevention

Guidelines to prevent electric shock, including avoiding rain, snow, and wet hands.

Generator Connection

Connection Notes and Warnings

Generator Description and Controls

Key Controls and Indicators

Engine Switch Function

Oil Warning Light

Economy Control Switch

Generator Operation

Starting the Engine

Step-by-step guide on how to safely start the generator engine.

Application Range

AC Connection

Overload Indicator Light

Stopping the Engine

Step-by-step instructions for properly shutting down the generator engine.

Periodic Maintenance

Maintenance Schedule and Chart

A schedule outlining required maintenance checks and routines based on time or operating hours.

Spark Plug Inspection

Checking Spark Plug Condition and Gap

Engine Oil Replacement

Draining and Refilling Engine Oil

Detailed steps for safely draining old engine oil and refilling with new oil.

Troubleshooting

Engine Won't Start Issues

Common causes and solutions for the engine failing to start, including fuel and oil systems.

Generator Power Issues

Addresses problems where the generator fails to produce power, related to safety devices.

Generator Storage

Draining the Fuel for Storage

Engine Protection for Storage

Limited Warranty Information

3-Year Limited Warranty Details

Outlines the warranty period, coverage, and exclusions for Yamaha EF Series generators.