Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your TrueCut Aftermarket Replacement Chainsaw Bar and Chain Combo. This combo is designed to fit various Stihl chainsaw models, including 024, 026, 028, 029, 031, 032, 034, 036, 036QS, and 039, with an 18-inch length and .325" x .063" specifications. Adhering to these instructions will help ensure optimal performance and longevity of the product.
Product Overview
The TrueCut Chainsaw Bar and Chain Combo is a high-quality aftermarket replacement part. It consists of a guide bar and a saw chain, engineered to work together for efficient cutting. The guide bar features a nose sprocket for smooth chain movement.

Figure 1: TrueCut 18-inch Chainsaw Bar and Chain Combo. This image displays the complete bar and chain assembly, highlighting the guide bar with its nose sprocket and the attached saw chain.
Setup and Installation
Before beginning installation, ensure your chainsaw is turned off and the spark plug cap is disconnected to prevent accidental starting. Always wear appropriate personal protective equipment (PPE), including gloves and eye protection.
- Remove Old Bar and Chain: Loosen the bar nuts on your chainsaw and remove the clutch cover. Carefully remove the old guide bar and saw chain.
- Clean Saw Components: Clean any sawdust or debris from the clutch area, bar groove, and oil holes on the chainsaw.
- Install New Bar: Place the new TrueCut guide bar onto the bar studs, ensuring the oil holes align with the chainsaw's oil outlet.
- Install New Chain: Carefully loop the new saw chain around the clutch sprocket and into the groove of the guide bar. Ensure the cutting edges of the chain are facing the correct direction (usually indicated by an arrow on the chain or bar).
- Replace Clutch Cover: Reinstall the clutch cover and hand-tighten the bar nuts. Do not fully tighten them yet.
- Adjust Chain Tension: Use the chain tensioning screw to adjust the chain tension. The chain should be snug against the bottom of the bar, but still able to be pulled freely by hand. There should be no sag on the underside of the bar.
- Tighten Bar Nuts: Once the tension is correct, fully tighten the bar nuts securely.
- Check Lubrication: Ensure the chainsaw's oil reservoir is filled with appropriate bar and chain oil.
Operation Guidelines
While this product is a component, its proper function is critical to chainsaw operation. Always refer to your chainsaw's original manufacturer manual for complete operating instructions and safety precautions.
- Chain Lubrication: Ensure the chainsaw's automatic oiler is functioning correctly and providing adequate lubrication to the bar and chain during operation. Insufficient lubrication can lead to premature wear and overheating.
- Chain Tension Check: Periodically check chain tension during operation, especially during the first hour of use, as new chains can stretch. Adjust as necessary.
- Cutting Technique: Always use proper cutting techniques as outlined in your chainsaw's manual to prevent kickback and ensure efficient cutting.
Maintenance
Regular maintenance extends the life of your bar and chain and ensures safe operation.
- Chain Sharpening: Sharpen the saw chain regularly using the correct file size and angle for a .325" pitch chain. A sharp chain cuts efficiently and reduces strain on the chainsaw.
- Bar Groove Cleaning: Periodically clean the guide bar groove to remove accumulated sawdust and debris. This ensures proper chain movement and lubrication.
- Bar Flipping: To promote even wear, flip the guide bar periodically (e.g., after every 8-10 hours of use).
- Sprocket Nose Inspection: Inspect the nose sprocket for wear or damage. Replace the bar if the sprocket is worn or seized.
- Storage: When not in use, clean the bar and chain, apply a light coat of oil to prevent rust, and store in a dry place.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Chain not cutting efficiently | Dull chain, incorrect chain tension, insufficient lubrication | Sharpen chain, adjust tension, check oiler function and oil level. |
| Chain smoking or overheating | Insufficient lubrication, incorrect chain tension, dull chain, clogged bar groove | Check oiler, adjust tension, sharpen chain, clean bar groove. |
| Chain jumping off bar | Loose chain tension, worn guide bar groove, incorrect chain pitch/gauge | Adjust tension, inspect bar for wear (replace if necessary), ensure correct chain for bar. |
Specifications
| Attribute | Detail |
|---|---|
| Product Type | Aftermarket Replacement Chainsaw Bar and Chain Combo |
| Brand | TrueCut |
| Compatible Stihl Models | 024, 026, 028, 029, 031, 032, 034, 036, 036QS, 039 |
| Bar Length | 18 Inches |
| Chain Pitch | .325" |
| Chain Gauge | .063" |
| Product Dimensions | 6 x 6 x 6 inches; 5 ounces |
| Manufacturer | Rplc Stihl |
Warranty and Support
This product is an aftermarket replacement part. For specific warranty information, please refer to the seller's policy at the time of purchase. Generally, products purchased on Amazon.com are eligible for returns within 30 days of receipt in most cases. For any product-related inquiries or support, please contact the seller directly through the Amazon platform.
Note: This product is from a small business brand. Your support is appreciated.