18 Poulan Pro Chainsaw Chain Replacement (Expert Bar Upgrade Tips)
Have you ever wrestled with a chainsaw that just wouldn’t cut straight, or worse, bounced and kicked back with every attempt? I certainly have. I remember one particularly frustrating afternoon trying to fell a stubborn oak on my property. The old Poulan Pro I was using felt like it was fighting me every step of the way. The chain kept dulling, the cuts were ragged, and the whole process was taking far longer than it should have. It wasn’t just the frustration; it was the creeping feeling that I wasn’t in control, that the saw was dictating the terms, and that’s never a good place to be when you’re dealing with a tool as powerful as a chainsaw.
That experience, and many others like it, taught me the hard way that a chainsaw is only as good as its chain and bar. And while Poulan Pro chainsaws are known for their affordability and reliability, upgrading the chain and bar can significantly enhance their performance, safety, and overall lifespan. That’s why I want to share my expertise on replacing the chain on your 18-inch Poulan Pro chainsaw and, more importantly, how to choose and install an expert-level bar that will transform your cutting experience.
In this article, I’m going to walk you through everything you need to know, from understanding the basics of chainsaw chains and bars to selecting the right replacements, installing them correctly, and maintaining them for optimal performance. I’ll also share some of the tips and tricks I’ve learned over the years, including how to diagnose common chain and bar problems, how to sharpen your chain like a pro, and how to choose the right bar for different types of wood and cutting tasks.
Whether you’re a seasoned logger or a weekend warrior tackling firewood duty, this guide will equip you with the knowledge and skills you need to get the most out of your Poulan Pro chainsaw. So, let’s dive in and unlock the full potential of your saw!
Understanding Chainsaw Chains: The Heart of the Cut
Before we even think about upgrading, we need to understand what makes a chainsaw chain tick. It’s not just a loop of metal; it’s a precision instrument designed to slice through wood with maximum efficiency and safety.
Chain Components and Terminology
- Cutters: These are the teeth of the chain, responsible for actually cutting the wood. They come in various shapes and sizes, each designed for different cutting conditions.
- Drive Links: These sit in the groove of the chainsaw bar and are propelled by the sprocket, pulling the chain around the bar.
- Tie Straps: These connect the cutters and drive links, providing structural integrity to the chain.
- Rivet Holes: These are the holes in the drive links where the rivets connect the chain segments.
- Depth Gauges (Rakers): These control the amount of wood each cutter takes with each pass. Properly set depth gauges are crucial for smooth cutting and preventing kickback.
Chain Types: Matching the Chain to the Job
Chains aren’t one-size-fits-all. The type of chain you use significantly impacts cutting speed, smoothness, and safety. Here are a few common types:
- Full Chisel: These chains have square-cornered cutters that are very aggressive and fast-cutting. They are ideal for clean wood but dull quickly in dirty or frozen wood.
- Semi-Chisel: These chains have rounded corners on the cutters, making them more durable and forgiving in less-than-ideal conditions. They are a good all-around choice for general use.
- Low-Profile (Safety) Chains: These chains have smaller cutters and depth gauges, reducing the risk of kickback. They are often recommended for beginners or users who prioritize safety.
- Micro-Lite: These chains are designed for smaller saws. Narrow kerf and light weight, allowing for faster cutting and less vibration.
Chain Pitch and Gauge: Ensuring Compatibility
- Pitch: This refers to the distance between three consecutive rivets, divided by two. Common pitches for Poulan Pro chainsaws include 3/8″ and .325″.
- Gauge: This is the thickness of the drive links, which must match the width of the groove in the chainsaw bar. Common gauges include .050″ and .058″.
Why are pitch and gauge important? If you use a chain with the wrong pitch or gauge, it simply won’t fit on your chainsaw bar and sprocket. It’s like trying to put a square peg in a round hole. Always check your chainsaw’s manual or the existing chain for the correct specifications.
My Experience: I once tried to save a few bucks by buying a “universal” chain online without checking the pitch and gauge. The chain arrived, and it was completely useless. I ended up spending more money ordering the correct chain, and I learned a valuable lesson about the importance of doing my research.
Chainsaw Bars: The Foundation of a Clean Cut
The chainsaw bar is the long, flat piece of metal that guides the chain. It’s more than just a passive guide; it plays a crucial role in cutting performance, safety, and chain lubrication.
Bar Components and Terminology
- Bar Rails: These are the edges of the bar that the chain rides on. They must be smooth and even for proper chain tracking.
- Bar Groove: This is the channel in the bar that the drive links of the chain fit into.
- Sprocket Nose: This is the tip of the bar, which often contains a sprocket to reduce friction and improve chain speed.
- Oil Holes: These are the holes in the bar that allow oil to lubricate the chain and bar.
- Tensioning Pin Hole: This is the hole where the chain tensioning mechanism engages to adjust chain tension.
Bar Types: Choosing the Right Bar for the Job
- Solid Bars: These are made from a single piece of steel and are very durable. They are often used on larger chainsaws for heavy-duty cutting.
- Laminated Bars: These are made from multiple layers of steel welded together. They are lighter and less expensive than solid bars but may not be as durable.
- Sprocket Nose Bars: These bars have a sprocket at the tip, which reduces friction and improves chain speed. They are a good choice for general use.
- Carving Bars: These are narrow bars with a small radius tip, designed for intricate carving work.
Bar Length: Matching the Bar to the Task
The length of your chainsaw bar determines the size of the wood you can safely cut. A longer bar allows you to fell larger trees, but it also increases the risk of kickback and requires more power from the chainsaw. It’s generally recommended to use the shortest bar that is appropriate for the size of the wood you’ll be cutting.
Data Point: According to the Consumer Product Safety Commission (CPSC), most chainsaw injuries are related to kickback. Using the correct bar length and chain type can significantly reduce the risk of this dangerous event.
Why Upgrade Your Poulan Pro Chainsaw Bar?
Poulan Pro chainsaws are known for being budget-friendly, and while their stock bars are adequate for basic tasks, they often leave something to be desired in terms of performance and durability. Upgrading to a higher-quality bar can offer several benefits:
- Improved Cutting Speed and Efficiency: A better bar can reduce friction and improve chain speed, allowing you to cut through wood faster and with less effort.
- Increased Durability: High-quality bars are made from stronger materials and are less likely to bend, break, or wear out prematurely.
- Reduced Vibration: Some aftermarket bars are designed with vibration-dampening features, which can reduce fatigue and improve comfort during extended use.
- Enhanced Safety: A good bar will provide better chain support and reduce the risk of kickback.
- Better Chain Lubrication: Upgraded bars often have improved oiling systems, ensuring that the chain stays properly lubricated for optimal performance and longevity.
Unique Insight: One of the biggest improvements I noticed after upgrading my Poulan Pro’s bar was the reduction in vibration. I could work for longer periods without my hands and arms feeling numb and fatigued. It made a huge difference in my overall productivity and enjoyment of using the chainsaw.
Selecting the Right Replacement Chain and Bar
Now that we understand the basics of chainsaw chains and bars, let’s talk about how to choose the right replacements for your 18-inch Poulan Pro.
Determining Your Chainsaw’s Specifications
Before you start shopping, you need to know the following information:
- Bar Length: In this case, it’s 18 inches.
- Chain Pitch: This is typically 3/8″ or .325″ for Poulan Pro chainsaws.
- Chain Gauge: This is typically .050″ or .058″.
- Drive Link Count: This is the number of drive links on your chain.
You can find this information in your chainsaw’s manual or on the existing chain and bar. If you’re unsure, take your old chain and bar to a local chainsaw shop, and they can help you identify the correct specifications.
Choosing a Replacement Chain
When selecting a replacement chain, consider the following factors:
- Chain Type: Choose a chain type that is appropriate for the type of wood you’ll be cutting and your skill level. For general use, a semi-chisel chain is a good choice. If you’re primarily cutting clean wood and have some experience, a full chisel chain may be a better option. If you’re a beginner or prioritize safety, a low-profile chain is recommended.
- Quality: Invest in a high-quality chain from a reputable manufacturer. Cheap chains may dull quickly, stretch easily, and break prematurely.
- Features: Some chains have special features, such as hardened cutters for increased durability or vibration-dampening designs for improved comfort.
My Recommendation: I’ve had good luck with Oregon and Stihl chains. They are known for their quality, durability, and performance.
Selecting an Upgraded Bar
When choosing an upgraded bar, consider the following factors:
- Bar Type: For most users, a sprocket nose bar is a good choice. It reduces friction and improves chain speed, making cutting easier and more efficient.
- Construction: Look for a bar that is made from high-quality steel and has a durable construction. Solid bars are the most durable, but laminated bars can also be a good option for lighter-duty use.
- Oiling System: Choose a bar with an efficient oiling system that will keep the chain properly lubricated.
- Vibration Dampening: If you’re concerned about vibration, look for a bar with vibration-dampening features.
- Brand Reputation: Stick with reputable brands that are known for producing high-quality chainsaw bars.
Case Study: I recently upgraded the bar on my Poulan Pro from the stock laminated bar to a solid Oregon bar with a sprocket nose. The difference was night and day. The saw cut through wood much faster, the chain stayed sharper for longer, and the vibration was noticeably reduced. It was well worth the investment.
Recommended Chains and Bars for 18-inch Poulan Pro Chainsaws
Based on my experience and research, here are a few recommended chains and bars for 18-inch Poulan Pro chainsaws:
Chains:
- Oregon 72LPX068G PowerCut Chain: This is a high-performance, full-chisel chain that is ideal for cutting clean wood.
- Stihl 26RS3 68: This is a durable, semi-chisel chain that is a good all-around choice for general use.
- Oregon 91PX062G AdvanceCut Chain: This is a low-profile chain that is designed for safety and ease of use.
Bars:
- Oregon 180VXLG041 VersaCut Guide Bar: This is a solid bar with a sprocket nose that is known for its durability and performance.
- Stihl Rollomatic E Light 3003 000 6811: This is a light weight, durable bar that is a great upgrade to the stock bar.
- Husqvarna 501816368 Sprocket Nose Bar: This is a laminated bar with a sprocket nose that is a good value for the money.
Installing Your New Chain and Bar: A Step-by-Step Guide
Now that you have your new chain and bar, it’s time to install them on your Poulan Pro chainsaw. This is a relatively simple process, but it’s important to follow the steps carefully to ensure that the chain is properly tensioned and the bar is securely mounted.
Tools You’ll Need
- Chainsaw wrench (usually included with the chainsaw)
- Gloves
- Screwdriver (if needed to adjust the chain tension)
- Clean rag
Step-by-Step Installation Instructions
- Safety First: Before you begin, make sure the chainsaw is turned off and the spark plug wire is disconnected. This will prevent accidental starting.
- Remove the Old Chain and Bar: Use the chainsaw wrench to loosen the bar nuts that hold the side cover in place. Remove the side cover and carefully remove the old chain and bar.
- Clean the Chainsaw: Use a clean rag to remove any sawdust, dirt, or debris from the chainsaw body, bar mounting surface, and chain sprocket.
- Install the New Bar: Place the new bar onto the chainsaw, making sure that the tensioning pin engages with the tensioning pin hole in the bar.
- Install the New Chain: Place the new chain around the bar, making sure that the cutters are facing in the correct direction (they should point forward at the top of the bar). Engage the drive links of the chain with the sprocket.
- Reinstall the Side Cover: Place the side cover back onto the chainsaw and tighten the bar nuts finger-tight.
- Tension the Chain: Use the chain tensioning mechanism to adjust the chain tension. The chain should be snug against the bar but still able to be pulled around by hand. There should be about 1/8″ of slack in the middle of the bar.
- Tighten the Bar Nuts: Once the chain is properly tensioned, tighten the bar nuts securely with the chainsaw wrench.
- Check the Chain Tension Again: After tightening the bar nuts, check the chain tension again to make sure it hasn’t changed. Adjust as needed.
- Lubricate the Chain: Fill the chainsaw’s oil reservoir with chainsaw bar and chain oil.
- Start the Chainsaw and Test the Chain: Reconnect the spark plug wire and start the chainsaw. Let it idle for a few seconds and observe the chain. Make sure it is running smoothly and that the oiler is working properly.
- Make a Test Cut: Turn off the chainsaw and make a test cut in a piece of wood. Check the cut for smoothness and accuracy. Adjust the chain tension as needed.
Practical Tip: When installing a new chain, it’s a good idea to soak it in chainsaw bar and chain oil for a few hours beforehand. This will help to lubricate the chain and prevent it from stretching prematurely.
Maintaining Your Chain and Bar: Keeping Your Saw Running Smoothly
Proper maintenance is essential for keeping your chain and bar in good condition and ensuring optimal performance. Here are some tips for maintaining your chain and bar:
Chain Sharpening: Keeping the Edge Sharp
A sharp chain is essential for safe and efficient cutting. A dull chain will cause the chainsaw to vibrate excessively, require more effort to cut, and increase the risk of kickback.
- When to Sharpen: Sharpen your chain whenever it becomes dull or damaged. Signs of a dull chain include:
- The chainsaw requires more force to cut.
- The chain produces fine sawdust instead of chips.
- The chain pulls to one side or chatters.
- The chain smokes or burns the wood.
- How to Sharpen: You can sharpen your chain using a chainsaw file, a chainsaw sharpener, or by taking it to a professional. If you’re using a chainsaw file, make sure to use the correct size file for your chain’s pitch. Follow the manufacturer’s instructions for sharpening the chain.
- Maintaining Depth Gauges: The depth gauges (rakers) control the amount of wood each cutter takes with each pass. If the depth gauges are too high, the chain will not cut effectively. If the depth gauges are too low, the chain will be too aggressive and increase the risk of kickback. Use a depth gauge tool to maintain the correct depth gauge setting.
Data Point: Studies have shown that a properly sharpened chain can increase cutting speed by up to 50% and reduce fuel consumption by up to 20%.
Bar Maintenance: Keeping the Bar in Good Condition
- Clean the Bar Regularly: Use a clean rag to remove any sawdust, dirt, or debris from the bar after each use.
- Check the Bar Rails: Inspect the bar rails regularly for wear and damage. If the rails are worn or uneven, they can cause the chain to track improperly and increase the risk of kickback. You can use a bar dresser to repair minor damage to the bar rails.
- Clean the Oil Holes: Make sure the oil holes in the bar are clear and free of debris. Use a small wire or needle to clean the oil holes as needed.
- Flip the Bar Regularly: Flipping the bar regularly will help to distribute wear evenly and extend its lifespan.
- Store the Bar Properly: When storing the chainsaw, remove the bar and chain and clean them thoroughly. Store the bar in a dry place to prevent rust.
My Story: I once neglected to clean the oil holes on my chainsaw bar, and the chain ended up running dry. The chain overheated and stretched, and the bar rails were damaged. I had to replace both the chain and the bar, which was an expensive lesson in the importance of proper maintenance.
Chain Lubrication: Keeping the Chain Oiled
Proper chain lubrication is essential for preventing wear and damage to the chain and bar.
- Use the Right Oil: Use a high-quality chainsaw bar and chain oil. Do not use motor oil or other types of oil, as they may not provide adequate lubrication.
- Check the Oil Level Regularly: Check the oil level in the chainsaw’s oil reservoir before each use and refill as needed.
- Adjust the Oiler: Adjust the oiler to provide adequate lubrication for the chain. The chain should be coated with a thin layer of oil while the chainsaw is running.
- Avoid Running the Chain Dry: Never run the chainsaw with a dry chain. This will cause the chain to overheat and stretch, and it can also damage the bar.
Unique Insight: Some chainsaw oils are biodegradable, which is a good choice if you’re concerned about the environment.
Troubleshooting Common Chain and Bar Problems
Even with proper maintenance, you may encounter problems with your chain and bar from time to time. Here are some common problems and how to troubleshoot them:
- Chain Dulls Quickly: This can be caused by cutting dirty wood, using the wrong type of chain, or improper sharpening.
- Chain Stretches Excessively: This can be caused by using a low-quality chain, running the chain dry, or overloading the chainsaw.
- Chain Comes Off the Bar: This can be caused by a loose chain, a worn bar, or a damaged sprocket.
- Chainsaw Cuts to One Side: This can be caused by a dull chain, uneven cutters, or a bent bar.
- Chainsaw Vibrates Excessively: This can be caused by a dull chain, a worn bar, or a loose chain.
- Bar Gets Hot: This can be caused by insufficient lubrication, a dull chain, or a bent bar.
Practical Tip: If you’re experiencing problems with your chain or bar that you can’t diagnose or fix yourself, take your chainsaw to a qualified repair shop.
Safety Considerations: Protecting Yourself While Using a Chainsaw
Using a chainsaw is inherently dangerous, so it’s important to take safety precautions to protect yourself from injury.
- Wear Appropriate Safety Gear: Always wear the following safety gear when using a chainsaw:
- Chainsaw-rated helmet
- Eye protection (safety glasses or goggles)
- Hearing protection (earplugs or earmuffs)
- Chainsaw-rated gloves
- Chainsaw-rated chaps or pants
- Steel-toed boots
- Read the Chainsaw’s Manual: Before using a chainsaw, read the manufacturer’s manual carefully and understand all of the safety precautions.
- Inspect the Chainsaw Before Use: Before each use, inspect the chainsaw for any damage or defects. Make sure the chain is properly tensioned, the bar is securely mounted, and the oiler is working properly.
- Use the Chainsaw Properly: Use the chainsaw only for its intended purpose. Do not use it to cut metal, concrete, or other materials that could damage the chain or bar.
- Maintain a Safe Distance: Keep a safe distance from other people and objects when using a chainsaw.
- Be Aware of Kickback: Kickback is a sudden, uncontrolled movement of the chainsaw bar that can cause serious injury. Be aware of the risk of kickback and take steps to avoid it.
- Never Cut Above Shoulder Height: Cutting above shoulder height is dangerous and increases the risk of kickback.
- Never Use a Chainsaw When You’re Tired or Impaired: Using a chainsaw when you’re tired, stressed, or under the influence of drugs or alcohol is extremely dangerous.
- Take Breaks: Take frequent breaks when using a chainsaw to avoid fatigue.
- Store the Chainsaw Safely: When storing the chainsaw, make sure it is turned off, the chain brake is engaged, and the chain is covered. Store the chainsaw in a safe place where it cannot be accessed by children or unauthorized users.
Data Point: According to the CPSC, approximately 36,000 chainsaw injuries are treated in U.S. hospital emergency rooms each year. Wearing appropriate safety gear and following safe operating procedures can significantly reduce the risk of injury.
Conclusion: Unleashing the Potential of Your Poulan Pro
Upgrading the chain and bar on your 18-inch Poulan Pro chainsaw is one of the best investments you can make to improve its performance, safety, and longevity. By understanding the basics of chainsaw chains and bars, selecting the right replacements, installing them correctly, and maintaining them properly, you can transform your cutting experience and tackle even the toughest jobs with confidence.
Remember, a chainsaw is a powerful tool that demands respect. Always prioritize safety and follow the manufacturer’s instructions. With the right knowledge and skills, you can unleash the full potential of your Poulan Pro chainsaw and enjoy years of reliable service.
Next Steps:
- Assess Your Needs: Determine the type of wood you’ll be cutting and your skill level.
- Research Replacement Chains and Bars: Use the information in this guide to research and select the right replacements for your Poulan Pro chainsaw.
- Purchase Your New Chain and Bar: Buy your new chain and bar from a reputable dealer.
- Install Your New Chain and Bar: Follow the step-by-step instructions in this guide to install your new chain and bar.
- Maintain Your Chain and Bar: Follow the maintenance tips in this guide to keep your chain and bar in good condition.
- Stay Safe: Always prioritize safety when using a chainsaw.
Now, get out there and start cutting with confidence!
