TROUBLESHOOTING
PROBLEM | POSSIBLE CAUSE | SOLUTION |
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Engine starts, runs, and | Carburetor requires adjustment. | Turn idle speed screw “T” clockwise to increase idle |
accelerates but will not |
| speed. If chain turns at idle, turn idle speed screw “T” |
idle. |
| counterclockwise to decrease speed. Wear protective |
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| equipment and observe all safety instructions. See |
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| Figure 26. |
Bar and chain running | 1. | Chain oil tank empty. |
hot and smoking. |
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| 2. | Check chain tension for |
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| overtight condition. |
| 3. | Check for oiler function. |
1.Oil tank should be filled every time that fuel tank is filled.
2.Tension chain per instructions in “Maintenance – Adjusting the Chain Tension” earlier in this manual.
3.Run at half throttle 30 to 45 seconds. Stop saw and check for oil dripping from
Engine starts and runs, | 1. Chain brake engaged. | |
but chain is not rotating. |
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| 2. | Chain tension too tight. |
| 3. | Check guide bar and chain |
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| assembly. |
| 4. | Check guide bar and chain for |
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| damage. |
1.Release chain brake, refer to “Operation – Operat- ing Chain Brake” earlier in this manual.
2.Tension chain per instructions in “Maintenance – Adjusting the Chain Tension” earlier in this manual.
3.Refer to “Maintenance – Assembling the Bar and Chain” earlier in this manual.
4.Inspect guide bar and chain for damage.
Note: The carburetor adjustment needle(s) are equipped with plastic cap(s) that prevent counterclockwise rotation from the original factory adjustment. If your product exhibits specific performance problem(s) where the Troubleshooting Section recommends a counterclockwise needle adjustment and you have made no adjustments since the original purchase, take the product to a factory authorized service center for repair. In most cases, the needed adjustment is a simple task for the factory trained service representative.
Fig. 82
Page 34
