This document is an instruction manual for the WEN Model 4017 16-inch Electrical Chainsaw. It provides comprehensive information regarding the tool's specifications, safe operation, assembly, adjustment, and maintenance.
Function Description
The WEN Model 4017 16-inch Electrical Chainsaw is designed specifically for sawing wood. It is a corded power tool intended for home use, providing a dependable and rugged performance when properly cared for and used according to the instructions. The chainsaw features an auto-oiling system to ensure proper lubrication of the chain and guide bar during operation. Safety mechanisms, such as a kickback brake and a safety button, are integrated to minimize the risk of injury.
Important Technical Specifications
The WEN Model 4017 Chainsaw has the following key technical specifications:
- Model Number: 4017
- Motor: 120V, 60Hz, 12A
- Saw Chain: Oregon, 16", 56 Drive Links, Model S56
- Chain Pitch: 3/8 Inch
- Chain Gauge: 0.050 Inch (1.3mm)
- Sharpening File Size: 5/32 Inch (4mm)
- Cutting Speed (No-Load): 44.2 Feet per Second
- Guide Bar Model: Oregon Model 91 DoubleGuard (160SDEA041)
- Oil Tank Capacity: 3.4 fl. oz.
- Oil Type: Standard Bar and Chain Oil
- Weight: 10 lbs
- Dimensions: 30-1/2" x 10-1/2" x 7-1/4"
The tool is double-insulated, eliminating the need for a grounded power cord and isolating exposed metal parts from internal motor components with protective insulation. For outdoor use, an extension cord suitable for outdoor use is recommended. The manual provides a guideline for extension cord gauges based on length and amperage, suggesting a 16-gauge cord for 25-50 ft, a 14-gauge for 100 ft, and a 10-gauge for 150 ft for a 12A tool. A Ground Fault Circuit Interrupter (GFCI) protected supply is recommended for damp locations to reduce the risk of electric shock.
Usage Features
The chainsaw is equipped with several features to facilitate its use and ensure safety:
- Auto-Oiling System: This system automatically lubricates the chain and guide bar. An oil level indicator allows users to monitor the remaining oil, with a recommendation to refill when the level drops below one-quarter capacity.
- Chain Tensioning Wheel: This wheel allows for easy adjustment of the saw chain tension. Proper tension is crucial for safe operation and to prevent excessive wear, with an optimal tension allowing the chain to be lifted approximately 1/8 inch (3 mm) from the center of the guide bar.
- Kickback Brake: Activated by the front hand guard, this safety mechanism is designed to stop the chain immediately in the event of kickback. Users are instructed to test this function before each use.
- Safety Button and Trigger Switch: To turn the tool ON, the safety button must be pressed before squeezing the trigger. Releasing the trigger switch turns the tool OFF.
- Cable Strain Relief Notch: Located underneath the trigger switch, this notch helps secure an extension cord, preventing accidental unplugging during operation.
- Guide Bar and Saw Chain: The manual details the proper installation of the guide bar and saw chain, emphasizing correct tooth direction and alignment with the sprocket and tensioning pin.
- Cutting Techniques: Instructions are provided for felling trees, bucking logs, and limbing trees, including techniques to prevent kickback and ensure control. Users are advised to stand on the uphill side when bucking on a slope and to allow the saw to cut at full speed.
Maintenance Features
Regular maintenance is essential for the chainsaw's longevity and safe operation:
- Cleaning: Dust and debris should be brushed or blown out of the air vents using compressed air or a vacuum. The housing and plastic components can be wiped with a moist, soft cloth. It is important to routinely clean dust and debris from under the tension housing, oil outlet, and around the bar and chain sprocket to prevent jamming.
- Oil Level Check: The oil level should be checked after every 10 minutes of use, and the reservoir refilled with bar and chain oil as needed.
- Chain Tension Check: Chain tension should be checked every 10 minutes of operation, especially for new saw chains, and adjusted to prevent sag and ensure proper operation. After use, the chain tension should be slackened to prevent damage as it cools and shortens.
- Blade Dullness: The manual recommends routinely checking blades for dullness and sharpening or replacing the chain as necessary to minimize kickback and maximize tool lifespan.
- Storage: Before storing, the saw chain tension should be removed, and the oil tank drained. The chainsaw should be stored in a cool, dry place, away from direct sunlight or temperatures exceeding 104°F.
- Repair and Service: Any repairs or replacement of electrical parts should only be performed by a qualified service technician using identical WEN replacement parts. Users are warned against attempting such repairs themselves due to potential hazards.
The manual emphasizes that these instructions and warnings are not substitutes for proper accident prevention measures and encourages users to stay alert and use common sense during operation. For replacement parts and up-to-date manuals, users are directed to WENPRODUCTS.COM.
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