Northern Tool Chainsaw Sharpener Manual

The Northern Tool Chainsaw Sharpener is a precision sharpening tool designed for maintaining chainsaw blades. It features adjustable angles, a durable grinding wheel, secure clamping system, and safety guards. Compatible with most standard chainsaw chains, it helps restore cutting efficiency and extends chain life. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Grinding wheel motor, angle adjustment knob, chain vise clamp, depth gauge tool, eye shield, and mounting hardware.

Safety Instructions

Always follow safety guidelines to prevent injury and damage.

1. Wear safety glasses and gloves during operation.
2. Ensure sharpener is securely mounted to a stable workbench.
3. Disconnect power before changing wheels or performing maintenance.
4. Keep hands clear of grinding wheel during operation.
5. Use in a well-ventilated area to avoid dust inhalation.

WARNING! Never operate without eye protection. Do not use with damaged or worn grinding wheels.

Unpacking and Inspection

Carefully unpack and verify all components are present.

1. Remove all packaging materials.
2. Check contents against packing list: sharpener unit, mounting hardware, depth gauge tool, eye shield, manual.
3. Inspect for shipping damage; contact Northern Tool if any parts are missing or damaged.
4. Clean components with a dry cloth before assembly.

CAUTION! Handle grinding wheel with care to avoid chipping or cracking.

Specifications

• Motor: 120V AC, 60Hz, 1.5 Amp.
• Grinding Wheel: 4-1/2 inch diameter, 1/8 inch thickness.
• Sharpening Angle Range: 0° to 60° adjustable.
• Chain Compatibility: Fits most standard 1/4", 3/8", and .325 pitch chains.
• Weight: Approximately 8 lbs (unit only).
• Dimensions: 12" L x 8" W x 10" H.
• Mounting: Requires bench mounting with included hardware.
• Warranty: 1-year limited warranty.

Assembly and Setup

Assemble and mount the sharpener before first use.

1. Mount to workbench: Use included bolts to secure base to a sturdy surface.
2. Install grinding wheel: Ensure power is disconnected. Place wheel on spindle and secure with flange nut.
3. Attach eye shield: Snap into position above grinding wheel.
4. Adjust chain vise: Loosen knob, position for chain size, and tighten.
5. Plug into grounded 120V outlet.

Tip: Ensure sharpener is level and secure to prevent vibration during use.

Operating Instructions

Follow these steps for proper sharpening.

1. Secure chain: Place chain in vise clamp and tighten securely.
2. Set angle: Adjust angle knob to match chain manufacturer's specification (typically 30°-35°).
3. Position cutter: Align cutter tooth with grinding wheel; use depth gauge to set proper contact.
4. Sharpen: Turn on motor, gently feed cutter into wheel until sharp edge is achieved.
5. Repeat: Rotate chain to next cutter; maintain consistent angle and pressure.
6. File depth gauges: Use depth gauge tool to file rakers to proper height.
7. Inspect: Check all cutters for uniform sharpness and proper depth gauge clearance.

WARNING! Do not force chain into wheel; let the grinder do the work to avoid overheating.

Sharpening Angles Guide

Recommended angles for common chain types.

Note: Always refer to chain manufacturer's specifications for exact angles.

Maintenance and Cleaning

Regular maintenance ensures optimal performance.

1. Unplug before any maintenance.
2. Clean grinding dust: Use brush or compressed air to remove debris from vise and mechanism.
3. Dress grinding wheel: Use wheel dresser to maintain flat, clean surface.
4. Check mounting bolts: Periodically tighten to ensure stability.
5. Lubricate moving parts: Apply light machine oil to pivot points annually.

CAUTION! Never use water or solvents to clean electrical components.

Storage Guidelines

Proper storage prolongs tool life.

• Store in a dry, clean location.
• Cover sharpener to prevent dust accumulation.
• Remove chain from vise to prevent rust or sticking.
• Keep grinding wheel protected from impact.

Tip: Apply a light coat of oil to metal surfaces if storing for extended periods.

Warranty Information

Northern Tool warrants this sharpener against defects in materials and workmanship for 1 year from date of purchase. Proof of purchase required. This warranty does not cover normal wear, misuse, or damage from improper maintenance. For warranty service, contact Northern Tool Customer Service at 1-800-222-5381 or visit www.northerntool.com.

Troubleshooting

Service: For technical support, call 1-800-222-5381 or visit www.northerntool.com.