MODEL 40410
40V MAX LITHIUM ION
CORDLESS BLOWER
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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.
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NOTICE: Please refer to wenproducts.com for the most up-to-date instruction manual.
TABLE OF CONTENTS
Specifications .................................................................................. 2
Introduction .................................................................................... 3
General Safety Rules ....................................................................... 4
Specific Safety Rules for the Blower ................................................ 6
Specific Safety Rules for the Battery & Charger ............................... 8
About the Battery .......................................................................... 10
About the Charger ......................................................................... 11
Electrical Information .................................................................... 12
Know Your Blower ......................................................................... 13
Assembly & Adjustments .............................................................. 14
Operation ...................................................................................... 15
Maintenance .................................................................................. 16
Storage ......................................................................................... 17
Exploded View & Parts List ........................................................... 18
Warranty Statement ....................................................................... 20
SPECIFICATIONS
Model Number 40410
Motor 40V Brushless Motor
Air Speed 92, 114, or 124 MPH
Air Flow 370, 450, or 480 CFM
Battery 40V Max Lithium Ion, 2Ah
Charger Input 100-120V AC, 60Hz, 100W
Charger Output 42V DC, 2A
Battery Model 40401
Charger Model 40400C
Weight with Battery 8.5 pounds
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 (2Ah) or 40404 (4Ah). In the battery’s description, there will be a
list of current products that this battery can be used with.
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INTRODUCTION
Thanks for purchasing the WEN 40V Max Lithium Ion Cordless Blower. 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. This manual provides information regarding potential safety concerns, as well as helpful
assembly and operating instructions for your tool.
SAFETY ALERT SYMBOL: Indicates danger, warning, or caution. The safety symbols and
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the explanations with them deserve your careful attention and understanding. Always follow the
safety precautions to reduce the risk of fire, electric shock and personal injury. However, please
WENPRODUCTS.COM
note that these instructions and warnings are not substitutes for proper accident prevention
measures.
NOTE: The following safety information is not meant to cover all possible conditions and situations
that may occur. WEN reserves the right to change this product and specifications at any time without
prior notice.
Keep this manual available to all users during the entire life of the tool and review it frequently
to maximize safety for both yourself and others.
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GENERAL SAFETY RULES
Safety is a combination of common sense, staying alert and knowing how your item works.
SAVE THESE SAFETY INSTRUCTIONS.
WARNING: Read and understand all warnings, cautions and operating instructions before
using this tool. Failure to follow all instructions listed below may result in personal injury and tool
damage. To reduce the risk of fire, electric shock, or injury, follow the below precautions.
WORK AREA SAFETY
1. Remove the battery when the power tool is not in use and before servicing. Turn off all controls on
the tool before removing the battery.
2. Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the
risk of electric shock.
3. Keep children and bystanders away while operating a power tool. Distractions can cause you to
lose control. Do not allow this tool to be used as a toy.
4. Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into
account the working conditions and the work to be performed. Use of the power tool for operations
different from those intended could result in a hazardous situation.
5. Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts and
any other condition that may affect the power tool’s operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools.
6. Do not put any objects into the tool’s openings. Do not use the tool with any opening blocked;
keep openings free of dust, lint, hair, or any other object that may reduce air flow.
7. Dress properly. Do not wear loose clothing or jewelry. Keep your hair, clothing, and fingers away
from openings and moving parts. Loose clothes, jewelry or long hair can be caught in moving parts.
8. Be aware of your environment. It is not recommended to use this tool on stairs, slippery inclines,
wet surfaces, etc.
9. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes.
ELECTRICAL SAFETY
1. Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter
plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk
of electric shock.
2. Avoid body contact with earthed or grounded surfaces such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
3. If operating a power tool in a damp location is unavoidable, use a ground fault circuit interrupter
(GFCI) protected supply. Use of a GFCI reduces the risk of electric shock.
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GENERAL SAFETY RULES
PERSONAL SAFETY
1. Stay alert, watch what you are doing and use common sense when operating a power tool. Do not
use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while operating power tools may result in serious personal injury.
2. Use personal protective equipment. Always wear eye protection. Protective equipment such as a
dust mask, non-skid safety shoes and hearing protection used for appropriate conditions will reduce
the risk of personal injury.
3. Prevent unintentional starting. Ensure the switch is in the off-position before connecting to power
source and/or battery pack, picking up or carrying the tool. Carrying power tools with your finger on
the switch or energizing power tools that have the switch on invites accidents.
4. Do not overreach. Keep proper footing and balance at all times. This enables better control of the
power tool in unexpected situations.
POWER TOOL USE AND CARE
1. Do not force the power tool. Use the correct power tool for your application. The correct power
tool will do the job better and safer at the rate for which it was designed.
2. Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be
controlled with the switch is dangerous and must be repaired.
3. Disconnect the plug from the power source and/or the battery pack from the power tool before
making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally.
4. Store idle power tools out of the reach of children and do not allow persons unfamiliar with the
power tool or these instructions to operate the power tool. Power tools are dangerous in the hands of
untrained users.
BATTERY USE AND CARE
1. Recharge only with the charger specified by the manufacturer. A charger that is suitable for one
type of battery pack may create a risk of fire when used with another battery pack.
2. Use power tools only with specifically designated battery packs. Use of any other battery packs
may create a risk of injury and fire.
3. When battery pack is not in use, keep it away from other metal objects, like paper clips, coins,
keys, nails, screws or other small metal objects, that can make a connection from one terminal to
another. Shorting the battery terminals together may cause burns or a fire.
4. Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact accidentally occurs, flush with water. If liquid contacts eyes, additionally seek medical help. Liquid ejected from the battery may cause irritation or burns.
SERVICE
Have your power tool serviced by a qualified repair person using only identical replacement parts.
This will ensure that the safety of the power tool is maintained.
5
SPECIFIC SAFETY RULES FOR THE BLOWER
Safety is a combination of common sense, staying alert and knowing how your item works.
SAVE THESE SAFETY INSTRUCTIONS.
WARNING: Read and understand all warnings, cautions and operating instructions before
using this tool. Failure to follow all instructions listed below may result in personal injury and tool
damage.
WARNING: Do not let comfort or familiarity with the product replace strict adherence to
product safety rules. Failure to follow the safety instructions may result in serious personal injury.
1. TOOL PURPOSE. The blower has been designed to clear light debris and leaves from hard surfaces
– not for clearing grassed areas. This blower is intended for household use only. Commercial use of
this product is prohibited and will void the manufacturer’s warranty. Do not push it beyond its limits
or its capacities. Using the blower in a way for which it was not designed can result in serious injuries,
machine damage and voiding of the warranty. Only use with WEN 40V Max Lithium Ion battery 40401.
2. CHARGING. Do not charge the battery outdoors. Do not charge battery in rain, or in wet locations.
Only use the charger supplied by the manufacturer to recharge.
3. DO NOT OVERREACH. Keep firm footing and maintain good balance at all times. Overreaching can
result in loss of balance.
4. Do not use the tool if the power switch does not turn it ON or OFF. Any tool that cannot be controlled
with the switch is dangerous and must be repaired.
5. Carefully inspect your appliance prior to use and follow all label and marking instructions.
6. Keep all parts of your body away from any moving parts and all hot surfaces of the unit.
7. Do not put any object into the tool’s openings. Do not use the tool with any opening blocked; keep
openings free of dust, lint, hair, or any other object that may reduce air flow.
8. Check the work area before each use. Remove all objects such as rocks, broken glass, nails, wire, or
string, which can be thrown or become entangled in the machine.
9. Service on the product must be performed by qualified repair personnel only. Service or maintenance performed by unqualified personnel could result in injury to the user or damage to the product.
10. Never run the unit without the proper equipment attached. Always ensure the blower tube is properly installed.
11. Always grasp the handle when operating the unit, only operate the machine in its intended orientation.
12. Do not handle charger, including charger plug, and charger terminals with wet hands.
13. Do not use battery-operated appliance in rain.
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