8-INCH ELECTRIC POLE SAW Model # 4021 bit.ly/wenvideo 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.
TABLE OF CONTENTS 2 3 4 6 7 8 10 12 13 14 16 Technical Data General Safety Rules Specific Safety Rules For Pole Saws Electrical Information Know Your Circular Saw Assembly and Adjustments Operation Maintenance Troubleshooting Guide Exploded View and Parts List Warranty TECHNICAL DATA Model Number: Motor: Saw Chain: Drive Links: Chain Pitch: Chain Gauge: Sharpening File Diameter: Oregon Blade Model: Speed (no load): Max Reach: Oil Tank Capacity: Weight: 2 4021 120 V, 60 Hz, 6.
GENERAL SAFETY RULES Safety is a combination of common sense, staying alert and knowing how your item works. SAVE THESE SAFETY 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.
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.
SPECIFIC RULES FOR POLE SAWS 10. Follow the instructions for lubrication, chain tensioning and changing accessories. An improperly tensioned or lubricated chain will either break or considerably increase the risk of kickback. 11. Keep the handles dry, clean and free from gas, oil and grease. Slippery handles may lead to a loss of control. 12. Never attempt to use an incomplete or altered saw. 13.
SPECIFIC RULES FOR POLE SAWS 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 battery from 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.
KNOW YOUR POLE SAW 12 13 11 14 10 9 8 7 6 4 5 3 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Main Cable Cable Strain Relief Trigger Switch Rear Handle Handle Rotation Switch Middle Handle Bar Telescoping Pole Telescope Release Lever Motor Housing Oil Tank Cover Guide Bar Saw Chain Tension Adjustment Knob (Outside Knob) Cover Release Knob (Inside Knob) 2 7
ASSEMBLY AND ADJUSTMENTS WARNING: Always be sure that the tool is switched off and unplugged before adjusting, adding accessories, or checking a function on the tool. ASSEMBLY OF GUIDE BAR AND SAW CHAIN 1. Loosen the cover release knob (Fig. A - 1) to release the chain sprocket cover. Remove the chain sprocket cover. 2. Place the chain in the groove of the outside edge of the guide bar as shown. Make sure the chain’s direction of rotation is correct.
ASSEMBLY AND ADJUSTMENTS FILLING THE OIL TANK 1. Place the saw on a level surface. Clean the area around the oil tank cap and then open it. 2. Fill the oil tank (Fig. C - 1) with saw chain oil. In doing so, make sure that no dirt gets into the oil tank so that the oil nozzle does not clog. 1 3. Close the oil tank cap. INSTALLING THE UTILITY STRAP 1. Fasten the carabiner hook on the shaft bracket of the shaft (Fig. D - 2). Fig. C 2. Always use the utility strap.
OPERATION ADJUSTING THE TELESCOPING HANDLE 1. Unlock the telescope release lever so that the pole can freely extend outwards and inwards. 2. Extend it to the desired length and relock the telescope release lever to hold it in place. ADJUSTING THE REAR HANDLE The rear handle can be adjusted into three varying positions for different cutting angles. Adjust it by pushing the handle rotation switch and turning the handle to the desired position.
OPERATION SAFETY WARNINGS 1. In order to ensure safe work, do not operate the saw at an angle of over 60°. 2. Never stand below a branch that is being sawed. 3. Exercise caution when sawing both branches under tension or branches that are splintering. 4. Make sure to safe guard against the risk of injury from falling branches and flying wood projectiles. 5. If the machine is in operation, keep persons and animals away from the danger area. 6.
MAINTENANCE CLEANING Regularly clean the tensioning mechanisms by blowing compressed air onto it or by cleaning it with a brush. Do not use any tools for the cleaning. Keep the oil away from the handle in order to ensure a secure hold. Clean the machine as necessary with a damp cloth and a mild cleanser, if appropriate. If the pole saw is not used for an extended period of time, remove the chain oil from the tank. Briefly place the chain and the guide bar in an oil bath and then wrap in oil paper to dry.
TROUBLESHOOTING GUIDE PROBLEM Pole saw does not operate properly Pole saw operates irregularly Dry saw chain Chain/guide rail become too hot Chainsaw jumps up, vibrates or does not saw properly. CAUSE SOLUTION No power supply Check the power supply. Defective outlet Try a different source of power. Change as necessary. Damaged Extension cable Check cable and replace if necessary. Defective fuse Replace the fuse. Damaged power cable Take saw to a service technician.
EXPLODED VIEW AND PARTS LIST No. Part Number Part Name Description Qty No.
EXPLODED VIEW AND PARTS LIST 15
LIMITED TWO YEARS 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 consumer power tools will be free from defects in material or workmanship for a period of two (2) years from date of purchase.
