The Husqvarna K770 is a workhorse on jobsites. Lightweight, powerful, and ideal for cutting concrete, asphalt, pavers, and more. Used correctly, it delivers fast, accurate cuts and long blade life. Below is a clear, safety-first, step-by-step guide to get you cutting confidently with a K770.
1. Prep & safety first
Before you start, always prioritize safety.
- Wear PPE: safety glasses, hearing protection, dust respirator (or use water), cut-resistant gloves, steel-toe boots, and hi-vis clothing.
- Check the area for utilities, bystanders, and trip hazards.
- Ensure the saw’s guards and handles are secure.
2. Prestart inspection
Next, do a quick equipment check to prevent problems later.
- Inspect the fuel/air filters and top off the correct fuel mix if applicable.
- Check the spark plug and ignition system.
- Confirm the throttle and kill switch operate smoothly.
- Inspect the blade for cracks or damage. Never use a damaged blade.
3. Install the blade correctly
Proper mounting keeps the cut straight and the blade safe.
- Choose a blade rated for your material and the K770’s RPM (e.g., a quality 14″ Diamond King Tools blade).
- Ensure the arrow on the blade matches the saw’s rotation.
- Tighten the arbor nut to the manufacturer’s torque spec; do not overtighten.
4. Starting the K770
Start the saw on stable ground with the choke engaged if cold.
- Set the choke and throttle lock (per Husqvarna instructions).
- Pull the starter cord with a firm, smooth motion until the engine fires.
- Allow the saw to warm up, then disengage the choke and run at idle briefly to confirm operation.
5. Cutting technique — steady and controlled
Use the right technique to protect the blade, saw, and operator.
- Mark your cut line clearly.
- For deep cuts, use step cutting: make several shallow passes (1–2″ each) instead of forcing a full-depth pass. This reduces heat and extends blade life.
- Keep a steady forward speed; let the blade do the work. Avoid forcing the saw.
- Maintain a consistent cutting angle and watch for binding. If the blade binds, stop, lift, clear debris, and continue.
6. Cooling and dust control
Control heat and dust for safety and blade longevity.
- Use water cooling where possible to reduce dust and heat.
- If dry cutting, take short passes and allow the blade to cool between cuts. Use a respirator when cutting dry.
7. Shut down and post-cut checks
Finish strong by caring for your saw.
- After cutting, idle the saw then shut it off.
- Inspect the blade and arbor for wear.
- Clean debris from the saw and check the air filter. Replace or service parts as needed.
8. Regular maintenance
Maintain the K770 per Husqvarna’s schedule: clean filters, check belts and bearings, and service fuel systems. A well-maintained saw runs cooler and lasts longer.
Final tips
For the best results, pair your K770 with high-quality blades from Diamond King Tools matched to the material you cut. If you’re unsure which blade to use, contact us for recommendations.
Call (877) 700-2022 or email office@diamondkingtools.com for blade advice and parts.
