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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.
Battery Model: Charger Model: 40400 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 de- scription, there will be a list of current products that this battery can be used with.
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.
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GENERAL SAFETY RULES 16. MAINTAIN TOOLS PROPERLY. ALWAYS keep tools clean and in good working order. Follow instruc- tions 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.
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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.
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SPECIFIC RULES FOR CHAINSAWS FELLING A TREE When bucking and felling operations are being performed by two or more persons at the same time, the felling operations should be sepa- rated from the bucking operation by a distance of at least twice the height of the tree being felled.
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SPECIFIC RULES FOR CHAINSAWS BUCKING A LOG Bucking is cutting a log into lengths. It is important to make sure your footing is firm and your weight is evenly distributed on both feet. When possible, the log should be raised and supported by the use of limbs, logs or chocks.
• Charger is rated for 120 volt AC only – The charger must be plugged into an appropriate receptacle. • Use only recommended attachments – Use of an attachment not recommended or sold by WEN Prod- ucts may result in risk of fire, electric shock or personal injury.
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BATTERY & CHARGER INSTRUCTIONS • Battery chemicals cause serious burns – Never let a damaged battery pack contact the skin, eyes or mouth. If a damaged battery pack leaks battery chemicals, use rubber or neoprene gloves to safely dispose of it. If skin is exposed to battery fluids, wash the affected area with soap and water and rinse with vinegar.
BATTERY & CHARGER INSTRUCTIONS CHARGER Protect the battery charger and its cord from damage. Keep the charger and its cord away from heat, oil and sharp edges. Electrical plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with grounded appliances.
ELECTRICAL INFORMATION GUIDELINES FOR EXTENSION CORDS Make sure your extension cord is in good condition. When using an extension cord, be sure to use one heavy enough to carry the current your product will draw. An undersized cord will cause a drop in line voltage resulting in loss of power and overheating.
ASSEMBLY AND ADJUSTMENTS WARNING: Always be sure to remove the battery before adjusting, adding ac- cessories, or checking a function on the tool. ASSEMBLY OF GUIDE BAR AND SAW CHAIN 1. Place the saw body on a firm and level surface. 2.
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ASSEMBLY AND ADJUSTMENTS REPLACING THE CHAIN 1. Rotate the bar adjustment locking knob and remove the cover of the saw’s body (see Assembly of Guide Bar and Chain for more details - Page 8). 2. Lift the worn saw chain out of the fitted slot in the guide bar.
OPERATION PREPARATION Before each use, check the following items to ensure safe working conditions. CHAINSAW: before beginning work, inspect the chainsaw for damage to the housing, the extension cord, the saw chain and the guide bar. Never use an obviously damaged machine. CHAIN OIL: check the fill level of the oil tank.
OPERATION SAWING TECHNIQUES Saw off the lower branches on the tree first. By doing so, it is easier for the cut branches to fall to the ground. At the end of the cut, the weight of the saw suddenly increases for the user since it is no longer being supported by a branch.
MAINTENANCE WARNING: In order to avoid personal injury and the risk of fire and electric shock, remove the battery pack before adjusting, inspecting, or cleaning the chainsaw. CLEANING 1. Brush or blow dust and debris out of the air vents using compressed air or a vacuum. Keep the air vents free of obstructions, sawdust, and wood chips.
Examine the cordless chainsaw thoroughly for worn, loose or damaged parts. If you need to repair or replace a part, contact WEN customer service at 1-800-232-1195. Clean the unit before storing or transporting. Be sure to secure the unit while transporting.
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EXPLODED VIEW AND PARTS LIST No. Part Number Description Qty. No. Part Number Description Qty. Blade Tension Cap Assembly 40417-022 Bake Spring Tension Lock Knob 40417-023 Clamp 40417-001 Spindle Cover 40417-024 Motor Bar Cover 40417-025 Shaft Cover Seal 40417-026 Spring...
LIMITED TWO YEAR WARRANTY WEN Products is committed to building tools that are dependable for years. Our warranties are consistent with this commitment and our dedication to quality. LIMITED WARRANTY OF WEN CONSUMER POWER TOOLS PRODUCTS FOR HOME USE GREAT LAKES TECHNOLOGIES, LLC (“Seller”) warrants to the original purchaser only, that all WEN con- sumer power tools will be free from defects in material or workmanship for a period of two (2) years from date of purchase.