Poulan 2050 User Manual - Page 7
Chain Tension
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bar. Remember this pin moves the bar forward and backward as the screw is turned. S Replace the chain brake nuts and tighten finger tight. Once the chain is tensioned you will need to tighten chain brake nuts. Mount the Bar Tip of Bar Proper chain direction Adjusting the tension: Chain tension is very important. Chain stretches during use. This is especially true during the first few times you use your saw. Always check chain tension each time you use and refuel your saw. You can adjust the chain tension by loosening the chain brake nuts and turning the adjusting screw 1/4 of a turn while lifting up on the bar. S If chain is too tight, turn adjusting screw 1/4 turn counterclockwise. S If chain is too loose, turn adjusting screw 1/4 turn clockwise. Adjusting Screw Chain Brake Nuts Guide Bar Adjusting Screw -- 1/4 Turn Place chain onto the sprocket CHAIN TENSION (Including units with chain already installed) NOTE: When adjusting chain tension, make sure the chain brake nuts are finger tight only. Attempting to tension the chain when the chain brake nuts are tight can cause damage. Checking the tension: Use the screwdriver end of the combination assembly tool to move the chain around the bar. If the chain does not rotate, it is too tight. If too loose, the chain will sag below the bar. S Lift up the tip of the bar and tighten the chain brake nuts with the assembly tool. S Recheck chain tension. Chain Brake Nuts WARNING: If the saw is operated with a loose chain, the chain could jump off the guide bar and result in serious injury. Chain Adjustment Chain Brake Nuts Tool (Bar Tool) 7