INTRODUCTION
Thanks for purchasing the WEN 4000-Watt Dual-Fuel Inverter Generator. Refer to the illustration below for the loca-
tion of the serial number on the side of the engine. Record the generator information in the spaces provided below.
If assistance for information or service is required, please contact customer service by calling 1-800-232-1195, M-F
8-5 CST; you will be asked to provide the following generator information when calling.
Generator Model Number: DF400i
Date of Purchase: ______________________________________________
Purchased From: _______________________________________________
Serial Number: ________________________________________________
TO MAXIMIZE THE LIFESPAN OF YOUR GENERATOR: We recommend running your generator at least once a
month for 20 to 30 minutes. Start the generator according to the instructions and plug a small load in to make
sure the outlet is producing electricity.
SERVICE RECORD
Record the service dates of your generator in the chart below. Please perform maintenance checks and operations
according to the “Maintenance” section of the manual.
Service Record Date Date Date Date Date Date
Change Oil
Change Spark Plug
Clean Fuel Tank
Clean Air Cleaner
Clean Spark Arrestor
Serial NumberSerial Number
4
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