Husqvarna Rancher 55 Bar and Chain (5 Pro Tips)

Ever felt that gnawing frustration when your chainsaw chain just wouldn’t bite? Or maybe you’ve struggled to get a clean, straight cut through a stubborn log? I know I have. For years, I wrestled with these issues, convinced that I was simply “unlucky” with my equipment. Then, after countless hours of research, trial and error, and a few close calls (more on that later!), I discovered that the key to unlocking peak chainsaw performance lies in understanding the nuances of your bar and chain, especially when you’re working with a powerhouse like the Husqvarna Rancher 55.

This guide isn’t just another regurgitation of manufacturer specs. I’m going to share five pro tips learned from years of hands-on experience, supplemented with technical insights and data that will help you maximize the potential of your Rancher 55’s bar and chain. We’ll delve into the science of wood cutting, explore optimal chain selection, master sharpening techniques, understand lubrication dynamics, and learn how to diagnose and prevent common problems. Get ready to transform your chainsawing game.

Unlocking the Potential: Husqvarna Rancher 55 Bar and Chain – 5 Pro Tips

The Husqvarna Rancher 55 is a workhorse. I’ve personally used mine for everything from felling small trees to bucking firewood for winter. But even a great saw can underperform with the wrong bar and chain setup or poor maintenance. These five pro tips, backed by technical insights and practical experience, will help you unleash the full potential of your Rancher 55.

Tip #1: Selecting the Right Bar and Chain Combination

Choosing the correct bar and chain isn’t just about matching lengths. It’s about optimizing for the specific wood you’re cutting and the tasks you’re undertaking. Here’s a breakdown:

Understanding Bar Length

• The Rule of Thumb: Generally, choose a bar length that’s slightly longer than the diameter of the wood you typically cut. This prevents the need to overreach and keeps the saw body away from the work.
• Rancher 55 Recommendation: The Rancher 55 can comfortably handle bars ranging from 16 to 20 inches. I’ve found a 18-inch bar to be a sweet spot for all-around use.
• Technical Considerations: A longer bar requires more power to pull the chain, potentially slowing down cutting speed, especially in hardwoods. A shorter bar is more maneuverable but limits the size of wood you can handle.
• My Experience: I once tried using a 24-inch bar on my Rancher 55 to fell a large oak. While it worked, the saw struggled, and the cutting was slow and arduous. I learned that exceeding the recommended bar length significantly reduces efficiency and increases wear on the saw.

Chain Types: Matching the Teeth to the Task

• Full Chisel: Aggressive cutters with square corners. Ideal for clean, fast cuts in softwood. Requires more skill in sharpening and is more prone to kickback.
  • Technical Detail: Full chisel chains have a higher cutting efficiency due to their aggressive angle, but they dull more quickly in dirty or frozen wood.
• Semi-Chisel: Rounded corners, more forgiving and durable than full chisel. A good all-around choice for various wood types and conditions.
  • Technical Detail: Semi-chisel chains offer a balance between cutting speed and durability, making them suitable for less experienced users or tougher cutting conditions.
• Low-Profile (Safety) Chain: Designed with reduced kickback potential. Slower cutting speed but safer for beginners.
  • Technical Detail: Low-profile chains have a lower cutter height and a smaller radius on the cutting corner, reducing the likelihood of the chain grabbing and kicking back.
• Chain Pitch and Gauge: These are critical measurements that must match your saw’s drive sprocket and bar. The Rancher 55 typically uses a 0.325″ pitch chain with a 0.050″ gauge.
  • Technical Detail: Pitch refers to the distance between three consecutive rivets divided by two. Gauge is the thickness of the drive links that fit into the bar groove. Using the wrong pitch or gauge can damage your saw and bar.
• My Recommendation: For general use with the Rancher 55, I recommend a semi-chisel chain with a 0.325″ pitch and 0.050″ gauge. It provides a good balance of cutting speed, durability, and ease of sharpening. If you’re primarily cutting softwood, a full chisel chain can significantly increase your cutting speed, but be mindful of the increased kickback risk.

Data Point: A study by Oregon Cutting Systems found that using the correct chain type for the wood being cut can increase cutting efficiency by up to 20%.

Bar and Chain Selection Chart for Husqvarna Rancher 55

Tip #2: Mastering Chain Sharpening Techniques

A sharp chain is not only essential for efficient cutting, but it’s also crucial for safety. A dull chain requires more force, increasing the risk of kickback and fatigue.

Tools of the Trade

• Round File and File Guide: Essential for maintaining the correct cutting angle and depth. Choose a file size that matches the chain’s pitch (typically 5/32″ for a 0.325″ pitch chain).
• Flat File and Depth Gauge Tool: Used to adjust the depth gauges (rakers) to the correct height.
• Chain Vise: Secures the chain for easier and more accurate sharpening.
• Personal Protective Equipment (PPE): Always wear gloves and eye protection when sharpening.

The Sharpening Process

1. Secure the Chain: Place the chain in a vise to prevent movement.
2. Identify the Correct Angle: Use a file guide to maintain the correct top plate cutting angle (typically 25-35 degrees, depending on the chain type) and side plate angle (typically 60 degrees).
   • Technical Detail: The top plate cutting angle determines the aggressiveness of the cut, while the side plate angle affects the chip flow.
3. File Each Cutter: Using smooth, consistent strokes, file each cutter from the inside out, maintaining the correct angles. Aim for an equal number of strokes on each cutter to ensure uniform sharpness.
   • Technical Detail: Uneven cutter lengths can cause the chain to cut crookedly.
4. Check and Adjust Depth Gauges: Use a depth gauge tool to ensure the depth gauges (rakers) are at the correct height (typically 0.025″ to 0.030″ below the cutter). File down the depth gauges with a flat file if necessary.
   • Technical Detail: Depth gauges control the amount of wood the cutter takes with each pass. If they are too high, the chain will not cut effectively. If they are too low, the chain will grab and kick back.
5. Rotate the Chain: Advance the chain and repeat the process for each cutter.
6. Inspect the Chain: After sharpening, inspect the chain for any damaged or worn cutters. Replace the chain if necessary.
7. My Experience: I used to rush through the sharpening process, resulting in inconsistent cutter lengths and angles. This led to a chain that cut crookedly and vibrated excessively. I learned that taking the time to sharpen each cutter carefully and consistently is essential for optimal performance and safety.

Data Point: A study by Stihl found that a properly sharpened chain can reduce cutting time by up to 50% compared to a dull chain.

Sharpening Angles Chart

Tip #3: Optimizing Chain Lubrication

Proper lubrication is critical for extending the life of your bar and chain and ensuring smooth, efficient cutting.

Choosing the Right Oil

• Bar and Chain Oil: Use a high-quality bar and chain oil specifically designed for chainsaws. These oils contain tackifiers that help them cling to the chain and prevent fling-off.
  • Technical Detail: Bar and chain oils typically have a viscosity grade of ISO VG 68 to 100, providing adequate lubrication at high speeds and temperatures.
• Viscosity Considerations: In colder temperatures, use a lower viscosity oil to ensure proper flow. In hotter temperatures, use a higher viscosity oil to prevent thinning and fling-off.
  • Technical Detail: Oil viscosity decreases as temperature increases. Using an oil that is too thin in hot weather can lead to inadequate lubrication and increased wear.
• Environmental Considerations: Consider using a biodegradable bar and chain oil to reduce environmental impact.
  • Technical Detail: Biodegradable oils are typically vegetable-based and break down more quickly than mineral-based oils.
• Avoid Using Motor Oil: Motor oil is not designed for the high speeds and temperatures of a chainsaw chain and can damage the bar and chain.
  • Technical Detail: Motor oil lacks the tackifiers and anti-wear additives found in bar and chain oils, making it less effective at lubricating the chain.

Ensuring Proper Oil Flow

• Check the Oil Level: Regularly check the oil level in the oil tank and refill as needed.
• Adjust the Oil Flow: Most chainsaws have an adjustable oil flow rate. Adjust the flow rate to match the cutting conditions. Increase the flow rate for hardwoods or when cutting in hot weather.
  • Technical Detail: The oil flow rate is typically adjusted using a screw located on the bottom of the saw.
• Clean the Oil Ports: Regularly clean the oil ports on the bar to ensure proper oil flow.
  • Technical Detail: Clogged oil ports can restrict oil flow, leading to increased friction and wear.
• Inspect the Oil Pump: If the chain is not receiving adequate lubrication, inspect the oil pump for damage or wear. Replace the pump if necessary.
  • Technical Detail: The oil pump is responsible for delivering oil from the oil tank to the bar and chain. A faulty pump can cause insufficient lubrication.
• My Experience: I once neglected to check the oil level in my Rancher 55 and ran it dry. The bar quickly overheated, and the chain stretched and became dull. I learned that consistent lubrication is crucial for preventing damage and ensuring optimal performance.

Data Point: A study by Husqvarna found that proper lubrication can extend the life of a chainsaw bar by up to 50%.

Oil Flow Rate Guidelines

Tip #4: Understanding Wood Types and Their Impact

The type of wood you’re cutting significantly impacts the performance and longevity of your bar and chain. Understanding the properties of different wood types will help you choose the right chain, adjust your cutting technique, and maintain your equipment properly.

Hardwoods vs. Softwoods

• Hardwoods: Generally denser and more difficult to cut than softwoods. They require a sharper chain and more power. Examples include oak, maple, and hickory.
  • Technical Detail: Hardwoods have a higher density and specific gravity than softwoods, making them more resistant to cutting.
• Softwoods: Easier to cut than hardwoods but can be more prone to splintering. Examples include pine, fir, and spruce.
  • Technical Detail: Softwoods have a lower density and specific gravity than hardwoods, making them easier to cut.
• Abrasive Wood: Some wood types, such as elm and redwood, contain high levels of silica or other abrasive materials that can quickly dull a chain.
  • Technical Detail: Silica is a hard, crystalline mineral that can wear down the cutting edges of a chain.

Wood Moisture Content

• Green Wood: Wood that has recently been cut and has a high moisture content. Green wood is easier to cut but can be heavier and more prone to warping.
  • Technical Detail: Green wood typically has a moisture content of 30% or higher.
• Dry Wood: Wood that has been seasoned and has a low moisture content. Dry wood is harder to cut but is more stable and less prone to warping.
  • Technical Detail: Dry wood typically has a moisture content of 12-15%.
• Frozen Wood: Frozen wood can be extremely difficult to cut and can quickly dull a chain.
  • Technical Detail: The ice crystals in frozen wood can act as an abrasive, wearing down the cutting edges of a chain.

Cutting Techniques for Different Wood Types

• Hardwoods: Use a sharp chain and apply steady pressure. Avoid forcing the saw, as this can cause it to bind or kick back.
• Softwoods: Use a slightly less aggressive chain and be careful to avoid splintering.
• Abrasive Wood: Sharpen the chain more frequently and consider using a chain with carbide-tipped cutters.
• Green Wood: Be prepared for the chain to bind or pinch. Use wedges to keep the cut open.
• Dry Wood: Apply more pressure and be careful to avoid overheating the chain.
• Frozen Wood: Sharpen the chain frequently and avoid cutting large pieces.
• My Experience: I once tried to cut a large oak log with a dull chain. The saw struggled, and the chain quickly became even duller. I learned that using a sharp chain and applying steady pressure is essential for cutting hardwoods efficiently and safely.

Data Point: A study by the U.S. Forest Service found that cutting hardwoods with a dull chain can increase the risk of kickback by up to 40%.

Wood Type Cutting Recommendations

Tip #5: Diagnosing and Preventing Common Bar and Chain Problems

Even with proper care and maintenance, bar and chain problems can occur. Knowing how to diagnose and prevent these problems will help you keep your Rancher 55 running smoothly.

Common Problems and Their Causes

• Chain Dullness: Caused by cutting dirty wood, hitting rocks or metal, or improper sharpening.
  • Solution: Sharpen the chain regularly and avoid cutting dirty wood.
• Chain Stretch: Caused by wear and tear on the chain components.
  • Solution: Adjust the chain tension regularly. Replace the chain when it becomes excessively stretched.
• Bar Wear: Caused by friction and heat.
  • Solution: Ensure proper lubrication and avoid overheating the bar.
• Bar Rail Damage: Caused by pinching or binding.
  • Solution: Use wedges to keep the cut open and avoid forcing the saw.
• Chain Breakage: Caused by excessive wear, improper tension, or hitting a foreign object.
  • Solution: Replace the chain regularly and maintain proper tension.
• Kickback: Caused by the chain grabbing and throwing the saw back towards the operator.
  • Solution: Use proper cutting techniques and avoid cutting with the tip of the bar.
  • Safety Note: Kickback is a serious hazard that can cause severe injury. Always be aware of the potential for kickback and take steps to prevent it.

Prevention Strategies

• Regular Maintenance: Inspect and clean the bar and chain regularly. Sharpen the chain frequently and adjust the chain tension as needed.
• Proper Lubrication: Ensure proper lubrication to reduce friction and wear.
• Safe Cutting Techniques: Use proper cutting techniques to avoid pinching, binding, and kickback.
• Use of Wedges: Use wedges to keep the cut open and prevent the bar from pinching.
• Avoid Cutting Dirty Wood: Avoid cutting dirty wood to prevent chain dullness.
• Replace Worn Parts: Replace worn parts, such as the chain, bar, and sprocket, as needed.
• My Experience: I once experienced a severe kickback while cutting a small tree. The saw kicked back so violently that it nearly struck me in the face. I learned that even experienced chainsaw operators can be caught off guard by kickback. Always be aware of the potential for kickback and take steps to prevent it.

Data Point: A study by the Consumer Product Safety Commission found that kickback is the leading cause of chainsaw-related injuries.

Troubleshooting Chart

| Problem | Possible Cause(s) | Solution(s) that I started using a chainsaw, and I had a lot of trouble with the chain dulling. I later found out that I was cutting wood that was too dirty and close to the ground. I learned to never cut wood close to the ground, and to clean the wood if it was dirty before I cut it.

By following these five pro tips, you can significantly improve the performance and longevity of your Husqvarna Rancher 55’s bar and chain. Remember, a well-maintained and properly used chainsaw is not only more efficient, but also safer. So, take the time to understand your equipment, practice safe cutting techniques, and enjoy the satisfaction of a job well done.

Bonus Tip: Safety First!

No discussion about chainsaws would be complete without emphasizing safety. Chainsaws are powerful tools that can cause serious injury if used improperly. Always wear appropriate PPE, including:

• Eye Protection: Safety glasses or a face shield to protect your eyes from flying debris.
• Hearing Protection: Earplugs or earmuffs to protect your hearing from the loud noise of the chainsaw.
• Head Protection: A hard hat to protect your head from falling branches or debris.
• Hand Protection: Gloves to protect your hands from cuts and abrasions.
• Leg Protection: Chainsaw chaps or pants to protect your legs from cuts.
• Foot Protection: Steel-toed boots to protect your feet from falling logs or cuts.

Other Important Safety Practices:

• Read the Owner’s Manual: Familiarize yourself with the chainsaw’s operating instructions and safety precautions.
• Inspect the Chainsaw: Before each use, inspect the chainsaw for any damage or wear.
• Maintain a Safe Distance: Keep a safe distance from other people and obstacles.
• Work in a Clear Area: Clear the area of any obstacles that could cause you to trip or lose your balance.
• Use Proper Cutting Techniques: Use proper cutting techniques to avoid pinching, binding, and kickback.
• Never Cut Above Shoulder Height: Cutting above shoulder height is dangerous and can increase the risk of kickback.
• Take Breaks: Take frequent breaks to avoid fatigue.
• Never Operate a Chainsaw Under the Influence: Never operate a chainsaw if you are under the influence of alcohol or drugs.

Final Thoughts

Mastering the art of chainsaw operation is a journey that combines technical knowledge with practical experience. By understanding the nuances of your Husqvarna Rancher 55’s bar and chain, you can unlock its full potential and tackle any wood-cutting task with confidence and safety. Remember to prioritize safety above all else, and always take the time to maintain your equipment properly. With the right knowledge and skills, you can transform your chainsawing from a chore into a rewarding and enjoyable experience.

Learn more