TrueCut A350, P382, A40, A400, P41, P45, P400, P411
TrueCut Chainsaw Bar Replacement Instruction Manual
For Alpina Models A350, P382, A40, A400, P41, P45, P400, P411
Introduction
This manual provides essential information for the proper installation, usage, and maintenance of your TrueCut Aftermarket Replacement Chainsaw Bar. This bar is designed as a high-quality replacement part compatible with various Alpina chainsaw models, including A350, P382, A40, A400, P41, P45, P400, and P411. Adhering to these instructions will help ensure optimal performance and extend the lifespan of your chainsaw bar.
Please read this manual thoroughly before attempting any installation or maintenance procedures.
Safety Precautions
Always prioritize safety when working with chainsaw components. Failure to follow safety guidelines can result in serious injury.
- Disconnect Power: Always ensure the chainsaw's engine is off and the spark plug cap is removed (for gasoline models) or the battery is disconnected (for electric models) before performing any installation, maintenance, or inspection.
- Wear Protective Gear: Use appropriate personal protective equipment (PPE), including heavy-duty gloves, eye protection, and sturdy footwear.
- Consult Chainsaw Manual: Refer to your specific chainsaw's owner's manual for detailed safety instructions and bar replacement procedures.
- Inspect Components: Before installation, inspect the new bar and chain for any damage or defects.
Installation (Setup)
This section outlines the general steps for replacing your chainsaw bar. Specific procedures may vary slightly depending on your chainsaw model. Always consult your chainsaw's original manual for precise instructions.
- Prepare Chainsaw: Ensure the chainsaw is clean and stable. Disengage the chain brake.
- Remove Side Cover: Loosen and remove the nuts holding the clutch cover or side plate. Carefully remove the cover.
- Loosen Chain Tension: If the old bar and chain are still installed, loosen the chain tensioning screw until the chain is slack.
- Remove Old Bar and Chain: Carefully remove the old chain from the sprocket and then slide the old guide bar off the mounting studs.
- Clean Area: Clean any sawdust, debris, or oil residue from the clutch area, bar mounting studs, and oil passages.
- Install New Bar: Slide the new TrueCut replacement bar onto the mounting studs. Ensure the bar's groove aligns with the drive links of the chain.
- Install Chain: Place the chain around the drive sprocket and guide it into the groove of the new bar. Ensure the cutting edges of the chain are facing the correct direction.
- Replace Side Cover: Reinstall the clutch cover or side plate, ensuring the chain tensioner pin engages with the hole in the bar. Hand-tighten the nuts.
- Adjust Chain Tension: Adjust the chain tensioning screw until the chain is snug but can still be pulled freely around the bar by hand. The chain should not sag on the underside of the bar.
- Tighten Nuts: Fully tighten the clutch cover nuts.
- Final Check: Verify that the chain moves freely and the tension is correct. Re-engage the chain brake.

Image: A visual representation of five TrueCut replacement chainsaw guide bars. These bars are designed to fit various Alpina chainsaw models and are shown in a light grey finish, indicating their robust construction and readiness for installation.
Usage Guidelines
The TrueCut replacement bar functions as a critical component of your chainsaw's cutting system. Proper usage ensures efficient cutting and prolongs the life of both the bar and chain.
- Lubrication: Ensure your chainsaw's automatic oiler is functioning correctly and is filled with appropriate bar and chain oil. Proper lubrication is vital to reduce friction and heat, preventing premature wear of the bar and chain.
- Chain Tension: Regularly check and adjust chain tension. A chain that is too loose can derail, while a chain that is too tight can cause excessive wear on the bar, chain, and sprocket.
- Sharpen Chain: A sharp chain is crucial for efficient cutting and reduces stress on the guide bar. Dull chains can cause the bar to overheat and wear unevenly.
- Avoid Pinching: Do not force the bar into cuts where it might get pinched. This can damage the bar and lead to dangerous kickback.
- Rotate Bar: To promote even wear, it is recommended to periodically flip the guide bar over (top to bottom) when replacing or sharpening the chain.
Maintenance
Regular maintenance of your chainsaw bar is essential for its longevity and safe operation.
- Clean Bar Groove: Periodically clean the guide bar groove to remove sawdust and debris that can impede chain movement and oil flow. A bar groove cleaner tool can be used for this purpose.
- Check Oil Holes: Ensure the oil holes on the bar are clear and not clogged. This allows proper lubrication to reach the chain.
- Inspect Sprocket Nose: For bars with a sprocket nose, check for smooth rotation and any signs of wear or damage. Lubricate the sprocket nose bearing if applicable (some require grease). This bar features a Laminate Sprocket (4 rivet nose) with 10 teeth.
- Check for Burrs: Inspect the bar rails for burrs or uneven wear. File down any raised edges to maintain smooth chain travel.
- Inspect for Bending/Cracks: Regularly check the entire bar for any signs of bending, cracks, or significant wear, especially at the tip and along the rails. Replace the bar if any significant damage is found.
Troubleshooting
If you encounter issues with your chainsaw bar, consider the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Chain binds or sticks in bar groove | Clogged bar groove, insufficient lubrication, bent bar, worn bar rails. | Clean bar groove, check oiler, inspect bar for damage, replace if necessary. |
| Excessive heat on bar | Insufficient lubrication, dull chain, incorrect chain tension, worn sprocket nose. | Check oiler, sharpen chain, adjust tension, inspect/lubricate sprocket nose. |
| Chain derails frequently | Incorrect chain tension, worn bar rails, stretched chain, incorrect chain/bar combination. | Adjust tension, inspect bar/chain for wear, ensure correct chain pitch/gauge for bar. |
| Uneven wear on bar rails | Improper chain tension, dull chain, consistent cutting on one side, burrs on rails. | Adjust tension, sharpen chain, rotate bar, file down burrs. |
Specifications
The following specifications apply to the TrueCut Aftermarket Replacement Chainsaw Bar:
- Product Type: Aftermarket Replacement Chainsaw Bar
- Compatibility: Fits Alpina Models A350, P382, A40, A400, P41, P45, P400, P411
- Length: 16 inches
- Chain Pitch: .325"
- Chain Gauge: .058"
- Drive Link Count: 66
- Nose Type: Laminate Sprocket (4 rivet nose)
- Nose Sprocket Teeth: 10 Teeth
- Approximate Product Dimensions: 6 x 6 x 6 inches (packaging/shipping dimensions)
- Approximate Product Weight: 1.81 Pounds
- Manufacturer: Rplc Alpina (as listed by seller)
- Country of Origin: USA
Warranty and Support
For information regarding warranty coverage, returns, or technical support for your TrueCut Chainsaw Bar Replacement, please contact the original seller or the manufacturer directly. Details regarding specific warranty periods and support procedures are typically provided at the point of purchase or on the manufacturer's official website.
Please retain your proof of purchase for any warranty claims.