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1-847-429-9263 (M-F 8AM-5PM CST) TECHSUPPORT@WENPRODUCTS.COM IMPORTANT: Your new tool has been engineered and manufactured to WEN’s highest standards for dependability, ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged, trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions. If you use your tool properly and for its intended purpose, you will enjoy years of safe, reliable service.
Replacement Blade (Part 40441-100) WEN plans to continue to add more and more items to our 40V line. For an up-to-date list of the 40V cordless tools compatible with the included battery and charger, visit wenproducts.com and search model number 40401 (2 Ah) or 40404 (4 Ah).
INTRODUCTION Thanks for purchasing the WEN Lawn Mower. We know you are excited to put your tool to work, but first, please take a moment to read through the manual. Safe operation of this tool requires that you read and understand this operator’s manual and all the labels affixed to the tool.
GENERAL SAFETY RULES WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.
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GENERAL SAFETY RULES WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.
Before attempting to make tor is running. Always avoid holes, bumps, sprinkler any adjustments or repairs, contact the WEN Products heads, uneven terrain, and other non-movable obstacles customer help line at 1-847-429-9263 for more informa- during mowing operations.
ELECTRICAL INFORMATION (CHARGER) DOUBLE-INSULATED CHARGER The charger’s electrical system is double-insulated where two systems of insulation are provided. This eliminates the need for the usual three-wire grounded power cord. Double-insulated tools do not need to be grounded, nor should a means for grounding be added to the product. All exposed metal parts are isolated from the internal metal components with protecting insulation.
Never carry the charger by its cord or yank it by the cord battery chemicals. If the battery or charger are damaged, to disconnect it from the receptacle. Keep the cord away call WEN customer service at 1-847-429-9263 for as- from heat, oil and sharp edges. Make sure the cord will sistance.
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BATTERY & CHARGER SAFETY WARNINGS ABOUT THE BATTERY 1. The battery pack has to be charged completely before you use the tool for the first time. 2. For optimum battery performance, avoid low discharge cycles by charging the battery pack frequently. 3.
KNOW YOUR LAWN MOWER Start Lever Safety Button Safety Key Rear Discharge Door Grass Catcher Cutting Height Adjustment Handle Battery Housing Side Discharge Door Side Chute...
ASSEMBLY & ADJUSTMENTS Fig. 1 WARNING! Always make sure that the lawn mower is switched OFF and the batteries are removed before performing any maintenance or making any adjustments. INSTALLING THE HANDLE Fully loosen the handle locking knobs (Fig. 1 - 1) on either side of the lawn mower.
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ASSEMBLY & ADJUSTMENTS WARNING! Always make sure that the lawn mower is switched OFF and the batteries are removed before performing any maintenance or making any adjustments. INSTALLING THE GRASS CATCHER NOTE: Do not install the grass catcher, the side chute, or the mulching plug simultaneously. When one is installed, the other two should not be.
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The WEN 40V Lawn Mower is equipped with two slots for batteries. Open the battery housing lid (Fig. 6 - 1) to reveal slots for both batteries. To insert the batteries, slide them into the two slots until they click into place. Make sure the batteries are fully inserted and latched into position.
OPERATION STARTING AND STOPPING THE MOWER NOTE: Before starting the mower, make sure all adjustments have been made and that you have selected whether you will be using the grass catcher, the mulching plug, or the side discharge port (only have one installed at a time during operation).
MAINTENANCE WARNING! Always make sure that the lawn mower is switched OFF and the batteries are removed before performing any maintenance or making any adjustments. CLEANING THE MOWER Keep all safety devices, air vents, and motor housing free of debris and dirt. Wipe down the equipment with a cloth and/or compressed air.
STORAGE WARNING! Always make sure that the lawn mower is switched OFF and the batteries are removed before performing any maintenance or making any adjustments. STORING THE MOWER The handle of the mower can fold in on itself to allow for easy storage. Simply loosen the handle locking knobs and collapse it in on itself by squeezing the outside edges of the lower handle.
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Examine the cordless tool thoroughly for worn, loose or damaged parts. If you need to repair or replace a part, contact WEN customer service at 1-847-429-9263. Clean the unit before storing or transporting. Be sure to secure the unit while transporting.
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EXPLODED VIEW & PARTS LIST Part No. Description Part No. Description 40439-001 Grip 40439-041 Side Cover, Right 40439-002 Upper Handle Flanged Self-tapping Screw, 40439-042 40439-003 Pull Rod ST5x16 40439-043 Deck Lifter Plate 40439-004 Holder 1 40439-044 Hex Nut, M8 40439-005 Holder 2 40439-045 Cable Clamp...
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Combination Screw, 40439-109 M4x14 NOTE: Model 40441BT does not include batteries or a charger. NOTE: Not all parts may be available for purchase. Parts and accessories that wear down over the course of normal use are not covered under the warranty.
Contact techsupport@wenproducts.com or 1-847-429-9263 with the following information to make arrangements: your shipping address, phone number, serial number, required part numbers, and proof of purchase. Damaged or defective parts and products may need to be sent to WEN before the replacements can be shipped out.
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