ProForm 540 English Manual - Page 21

PROBLEM: The walking belt slows when walked on SOLUTION: a. Use only a single-outlet surge suppressor that meets all of the specifications described on page 12. b. If the walking belt is overtightened, treadmill performance may decrease and the walking belt may become damaged. Remove the key and UNPLUG THE POWER CORD. Using the hex key, turn both rear roller bolts counterclockwise, 1/4 of a turn. When the walking belt is properly tightened, you should be able to lift each edge of the walking belt 2 to 3 inches off the walking platform. Be careful to keep the walking belt centered. Then, plug in the power cord, insert the key, and run the treadmill for a few minutes. Repeat until the walking belt is properly tightened. b 2-3" Rear Roller Bolts c. If the walking belt still slows when walked on, please see the front cover of this manual. PROBLEM: The walking belt is off-center or slips when walked on SOLUTION: a. If the walking belt has shifted to the left, first re- move the key and UNPLUG THE POWER CORD. a Using the hex key, turn the left rear roller bolt clock- wise 1/2 of a turn. Be careful not to overtighten the walking belt. If the walking belt has shifted to the right, turn the left rear roller bolt counterclockwise 1/2 of a turn. Then, plug in the power cord, insert the key, and run the treadmill for a few minutes. Repeat until the walking belt is centered. b. If the walking belt slips when walked on, first re- move the key and UNPLUG THE POWER CORD. b Using the hex key, turn both rear roller bolts clock- wise, 1/4 of a turn. When the walking belt is correctly tightened, you should be able to lift each edge of the walking belt 2 to 3 inches off the walking platform. Be careful to keep the walking belt centered. Then, plug in the power cord, insert the key, and carefully walk on the treadmill for a few minutes. Repeat until the walk- ing belt is properly tightened. 21