Stihl MS170 Chain File Size (3 Measurements to Know)
I vividly recall my early days as a chainsaw enthusiast, wandering through the dense woods with nothing but the hum of my Stihl MS170 to keep me company. It was during these solitary adventures that I truly understood the importance of maintaining my chainsaw—especially when it came to keeping the chain sharp. Today, I’m excited to share everything I’ve learned about the Stihl MS170 chain file size and how it plays a crucial role in your chainsaw’s performance.
The Chainsaw Journey: A Personal Tale
There was a time when I underestimated the power of a well-maintained chainsaw. On a chilly autumn morning, I set out to clear some fallen trees. My saw struggled, sputtered, and eventually refused to cut. Frustration turned into a valuable lesson—I realized my chain was dull. That’s when I delved into the art of chain filing.
The Heart of the Chainsaw: Understanding Chain File Size
Let’s dive deeper into why the chain file size is so critical. The right file size ensures your chain’s cutting teeth are sharpened at the proper angle, maintaining efficiency and safety.
The Three Key Measurements
- Pitch: For the Stihl MS170, we’re talking about a 3/8″ pitch.
- Gauge: Typically .043″ for this model.
- File Size: The recommended file size is 5/32″ (4.0mm).
These numbers aren’t just figures; they’re the backbone of your saw’s performance.
Diving Deep: Pitch, Gauge, and File Size
1. Pitch: The Distance Between Rivets
The pitch determines how smoothly your chain moves around the bar. A 3/8″ pitch is common for many chainsaws, including the MS170, enabling a balance between power and control.
2. Gauge: Thickness Matters
The gauge is the drive link’s thickness that fits into the guide bar groove. With a .043″ gauge, you’re looking at a thinner chain, which is perfect for lightweight saws like the MS170.
3. File Size: Precision at 5/32″
The 5/32″ file size might seem small, but it’s mighty in ensuring that each tooth on your chain is sharp and ready to tackle any job.
My Hands-On Experience with Chain Filing
I remember one summer when I decided to experiment with different file sizes. Spoiler alert: it didn’t end well. My cuts were ragged, and my saw felt sluggish. Lesson learned—stick to what works.
Equipment You’ll Need
- Round file (5/32″ or 4.0mm): The magic wand for your chain teeth.
- Flat file: For adjusting those rakers.
- Filing guide: Keeps your angles consistent.
- Chainsaw tensioning tool: Ensures your chain is snug.
- Protective gear: Gloves and eyewear are non-negotiable.
Prerequisite Knowledge
Before you jump in, make sure you’re familiar with basic chainsaw parts and safety protocols. Trust me; it makes everything smoother.
Sharpening Your Chainsaw: A Complete Guide
Here’s where we get down to business. Follow these steps to keep your Stihl MS170 in peak condition.
Step 1: Set Up Your Workspace
Find a stable surface with good lighting and ensure you’re wearing protective gear.
Step 2: Secure Your Chainsaw
Use a vise or clamp to keep your chainsaw steady during sharpening.
Step 3: Check Chain Tension
The right tension is crucial—too loose, and you risk derailing; too tight, and you’ll overheat.
Step 4: Align the File
Position your 5/32″ file at a 30-degree angle to each cutter. This precision keeps your saw cutting efficiently.
Step 5: File Each Cutter
With even strokes, file each cutter from inside to outside. Consistency is key—count your strokes for uniform sharpness.
Step 6: Adjust Rakers
After sharpening, use a flat file on the rakers to ensure they’re slightly lower than the cutters.
Step 7: Clean and Test
Remove debris from your saw and test it on a piece of wood to ensure smooth operation.
Safety First: Always
Safety is paramount when working with chainsaws.
- Wear protective gloves and eyewear.
- Engage the chain brake during maintenance.
- Keep distractions to a minimum.
Safety Tips from My Experience
One afternoon, I tried sharpening without gloves—big mistake! A small slip resulted in a nasty cut. Always prioritize safety gear.
Troubleshooting Common Issues
Chain Not Cutting Smoothly: Re-evaluate your filing technique and angles.
Chain Overheating: Check tension and lubrication systems.
Uneven Cuts: Ensure that rakers are adjusted correctly.
Best Practices for Chainsaw Maintenance
- Regularly inspect your chain for wear and tear.
- Clean your bar and sprocket area frequently.
- Store your chainsaw properly when not in use.
Addressing Common Concerns
Q: Can I use a different file size?
A: While tempting, using anything other than 5/32″ can lead to inefficient cutting and potential damage.
Q: How often should I sharpen my chain?
A: Typically after every tank of fuel or whenever you notice performance decline.
Q: What if my chain still feels dull after sharpening?
A: Double-check your angles and ensure each tooth is filed evenly.
Conclusion: Keeping Your Chainsaw Sharp
Remember that maintaining your Stihl MS170 isn’t just about cutting wood—it’s about cutting safely and efficiently. By adhering to these guidelines, you ensure longevity and reliability in every cut you make.
FAQ Section
Q: What happens if I don’t use the correct file size?
A: Incorrect file size can dull your chain faster and lead to uneven cuts.
Q: How do I know if my chain is dull?
A: If you’re seeing sawdust instead of wood chips, it’s time to sharpen.
Q: Can over-sharpening damage my chain?
A: Yes, excessive sharpening can reduce a chain’s lifespan by removing too much material.
By embracing these practices, your chainsaw will not only perform efficiently but also become an extension of your craftsmanship in every project you undertake. Happy sawing!
