Poulan P3818 User Manual - Page 7
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move the adjustment pin up and down the screw. Locate this adjustment before you begin mounting the bar onto the saw. See following illustration. Inside view of clutch cover Clutch Cover Adjustment located on clutch cover 4. Turn the adjusting screw by hand coun- terclockwise until the adjusting pin just touches the stop. This should allow the pin to be near the correct position. 5. Slide guide bar on bar bolts until guide bar stops against clutch drum sprocket. Bar bolts Guide bar 6. Carefully remove the chain from the package. Hold chain with the drive links as shown. Tip of Bar Adjusting Pin Lower Hole Guide Bar 12. Install bar nuts and finger tighten only. Once the chain is tensioned, you will need to tighten bar nuts. CHAIN TENSION (Including units with chain already installed) WARNING: Wear protective gloves when handling chain. The chain is sharp and can cut you even when it is not moving. NOTE: When adjusting chain tension, make sure the bar nuts are finger tight only. Attempting to tension the chain when the bar nuts are tight can cause damage. Checking the tension: Use the screwdriver end of the chain adjustment tool (bar tool) to move chain around guide bar. If the chain does not rotate, it is too tight. If the chain is too loose, it will sag below the bar. Guide Bar CUTTERS MUST FACE IN DIIRECTION OF ROTATION Cutters Depth Gauge Drive Links 7. Place chain over and behind clutch retainer, fitting the drive links in the clutch drum sprocket. 8. Fit bottom of drive links between the teeth in the sprocket in the nose of the guide bar. 9. Fit chain drive links into bar groove. 10. Pull guide bar forward until chain is snug in guide bar groove. Ensure all drive links are in the bar groove. 11. Now, install clutch cover making sure the adjusting pin is positioned in the lower hole in the guide bar. Remember this pin moves the bar forward and backward as the screw is turned. Chain Adjustment Bar Nuts Adjusting Screw Tool (Bar Tool) Adjusting the tension: Chain tension is very important. Chains stretch during use. This is especially true during the first few times you use your saw. Always check chain tension each time before you start the chain saw. 1. Loosen bar nuts until they are finger tight against the clutch cover. 2. Turn adjusting screw clockwise until chain solidly contacts bottom of guide bar rail. Adjusting Screw 7