16˝ ELECTRIC
CHAIN SAW
Model # 4017
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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 intended purpose, you will enjoy years of safe,
reliable service.
NEED HELP? CONTACT US!
Have product questions? Need technical support?
Please feel free to contact us at:
800-232-1195
(M-F 8AM-5PM CST)
techsupport@wenproducts.com
WENPRODUCTS.COM
TABLE OF CONTENTS
Technical Data
General Safety Rules
Specific Safety Rules For Chain Saws
Electrical Information
Know Your Chain Saws
Assembly and Adjustments
Operation
Maintenance
Troubleshooting Guide
Exploded View and Parts List
Warranty
TECHNICAL DATA
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Model Number:
Motor:
Saw Chain:
Speed (no load):
Oil Tank Capacity:
Weight:
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4017
120 V, 60 Hz, 12A
16 inch, Oregon
44.2 feet per second
3.4 ounces
10 pounds
GENERAL SAFETY RULES
Safety is a combination of common sense, staying alert and knowing how your item works. SAVE THESE SAFE-
TY INSTRUCTIONS.
WARNING: To avoid mistakes and serious injury, do not plug in your tool
until the following steps have been read and understood.
1. READ and become familiar with this entire instruction manual. LEARN the tool’s applications, limitations, and
possible hazards.
2. AVOID DANGEROUS CONDITIONS. Do not use power tools in wet or damp areas or expose them to rain.
Keep work areas well lit.
3. DO NOT use power tools in the presence of flammable liquids or gases.
4. ALWAYS keep your work area clean, uncluttered, and well lit. DO NOT work on floor surfaces that are slippery
with sawdust or wax.
5. KEEP BYSTANDERS AT A SAFE DISTANCE from the work area, especially when the tool is operating.
NEVER allow children or pets near the tool.
6. DO NOT FORCE THE TOOL to do a job for which it was not designed.
7. DRESS FOR SAFETY. Do not wear loose clothing, gloves, neckties, or jewelry (rings, watches, etc.) when operating the tool. Inappropriate clothing and items can get caught in moving parts and draw you in. ALWAYS wear
non-slip footwear and tie back long hair.
8. WEAR A FACE MASK OR DUST MASK to fight the dust produced by sawing operations.
WARNING: Dust generated from certain materials can be hazardous to your
health. Always operate the tool in a well-ventilated area and provide for proper
dust removal. Use dust collection systems whenever possible.
9. ALWAYS remove the power cord plug from the electrical outlet when making adjustments, changing parts,
cleaning, or working on the tool.
10. KEEP GUARDS IN PLACE AND IN WORKING ORDER.
11. AVOID ACCIDENTAL START-UPS. Make sure the power switch is in the OFF position before plugging in
the power cord.
12. REMOVE ADJUSTMENT TOOLS. Always make sure all adjustment tools are removed from the saw before
turning it on.
13. NEVER LEAVE A RUNNING TOOL UNATTENDED. Turn the power switch to OFF. Do not leave the
tool until it has come to a complete stop.
14. NEVER STAND ON A TOOL. Serious injury could result if the tool tips or is accidentally hit. DO NOT store
anything above or near the tool.
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GENERAL SAFETY RULES
15. DO NOT OVERREACH. Keep proper footing and balance at all times. Wear oil-resistant rubber-soled footwear. Keep the floor clear of oil, scrap, and other debris.
16. MAINTAIN TOOLS PROPERLY. ALWAYS keep tools clean and in good working order. Follow instructions for lubricating and changing accessories.
17. CHECK FOR DAMAGED PARTS. Check for alignment of moving parts, jamming, breakage, improper
mounting, or any other conditions that may affect the tool’s operation. Any part that is damaged should be properly
repaired or replaced before use.
18. DO NOT operate the tool if you are under the influence of drugs, alcohol, or medication that may affect your
ability to properly use the tool.
19. USE SAFETY GOGGLES AT ALL TIMES that comply with ANSI Z87.1. Normal safety glasses only have
impact resistant lenses and are not designed for safety. Wear a face or dust mask when working in a dusty environment. Use ear protection such as plugs or muffs during extended periods of operation.
SPECIFIC RULES FOR CHAIN SAWS
WARNING: Do not let comfort or familiarity with product (gained from repeated
use) replace strict adherence to product safety rules. If you use this tool unsafely or
1. Keep all parts of the body away from the saw chain when the chain saw is operating. Before you start the chain
saw, make sure the saw chain is not contacting anything.
2. Always hold the chain saw with your right hand on the rear handle and your left hand on the front handle. Holding the chain saw in the opposite manner can result in an increased risk of serious injury to the user.
3. Only hold the power tool by the insulated gripping surfaces to avoid electric shock in case the saw chain contacts
its own cord or hidden wiring. Saw chains contacting a live wire may make exposed metal parts of the power tool
live and can give the operator an electric shock.
4. Keep the saw chain away from any cords or extension cables.
5. Wear safety glasses and hearing protection. Protective equipment for hands, legs, head and feet is also highly
recommended. Protective clothing greatly reduces the risk of personal injury from loose debris or accidental contact
with the saw chain.
incorrectly, you can suffer serious personal injury!
6. Do not operate the chain saw while standing in a tree. Only operate the chain saw from a firm, level surface fixed
on the ground. Always keep proper footing during operation. Slippery or unstable surfaces such as ladders may
cause a loss of balance or control.
7. When cutting a limb that is under tension, be alert for spring back. When tension from wood fibers and branches
is suddenly released, the limb may fly in unpredictable ways, possibly resulting in kickback and injury to the user.
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SPECIFIC RULES FOR CHAIN SAWS
8. Use extreme caution when cutting brush and saplings. The slender material may catch the saw chain, whipping
towards you or pulling you off balance.
9. Carry the chain saw by the front handle with the chain saw switched off and away from your body. When transporting or storing the chain saw always protect the blade with a scabbard (blade cover).
10. Routinely lubricate, adjust chain tension, and check blades for dullness. Follow these instructions closely to
minimize kickback and maximize the lifespan of the tool.
11. Keep handles dry, clean and free of oil and grease. Slippery handles increase the chances of losing control.
12. Only use this chain saw to cut wood. Do not cut plastic, masonry or other non-wood materials. Do not use this
chain saw for anything other than its intended purpose. Let the saw work at its own pace.
REDUCING KICKBACK:
Kickback can occur when the tip of the guide bar touches an object or when the wood closes in and pinches the saw
chain inside of the cut. Tip contact can kick the guide bar up and back towards the operator. Pinching the saw chain
along the top of the guide bar can push the bar rapidly towards the operator. Either of these reactions may cause a
loss in control of the chain saw, increasing the chances of serious personal injury. Do not rely on the safety devices
built into the saw. Chain saw users should take as many precautions as possible to minimize on-site accidents. Kickback is the result of tool misuse and/or incorrect operating procedures. These conditions can be minimized with
the following steps:
1. Maintain a firm grip, with thumbs and fingers encircling the chain saw handles. Both hands should be on the saw
with your body and arms in a position to resist kickback forces.
2. Do not overreach and do not cut above shoulder height. Keep the work area free from obstructions.
3. Only use replacement bars and chains specified by WEN. Replace dull blades as necessary.
4. Do not let the tip of the guide bar contact any surfaces.
5. Keep proper tension of your blade at all times. Check the tension at regular intervals. Unplug the tool before
making any adjustments to the blade or the machine.
6. Cuts should only take place while the chain is moving at full speed. Do not turn the saw ON or OFF in the middle
of a cut. Use extreme caution when re-entering a previous cut.
7. Cut one log at a time. Do not attempt plunge or bore cuts. Watch for shifting logs or other external forces that
could close a cut and pinch the chain.
8. Make a precut on the opposite side of the log to avoid the blade from being pinched during operation as another
safeguard against kickback.
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