ProForm 900 Treadmill Uk Manual - Page 27

PROBLEM: The walking belt slows when walked on SOLUTION: a. If an extension cord is needed, use only a 3-conductor, 1mm2 (14-gauge) cord that is no longer than 1.5 m (5 ft.). 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 included hex key, turn both rear roller adjustment bolts counterclockwise 1/4 of a turn. When the walking belt is properly tightened, you should be able to lift the edges of the walking belt 7 to 10 cm (3 to 4 in.) off the walking platform. Be careful to keep the walking belt centred. 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 7-10 cm Rear Roller Adjustment Bolts c. If the walking belt still slows when walked on, please call our Customer Service Department. PROBLEM: The walking belt is off-centre or slips when walked on SOLUTION: a. If the walking belt is off-centre, remove the key and UNPLUG THE POWER CORD. If the walking belt has a shifted to the left, use the hex key to turn the left rear roller adjustment bolt clockwise 1/2 of a turn; if the walk- ing belt has shifted to the right, turn the left rear roller adjustment bolt counterclockwise 1/2 of a turn. Be careful not to overtighten the walking belt. Plug in the power cord, insert the key, and run the treadmill for a few min- utes. Repeat until the walking belt is centred. b. If the walking belt slips when walked on, first remove the b key and UNPLUG THE POWER CORD. Using the hex key, turn both rear roller adjustment bolts clockwise 1/4 of a turn. When the walking belt is correctly tightened, you should be able to lift each side of the walking belt 7 to 10 cm (3 to 4 in.) off the walking platform. Be careful to keep the walking belt centred. Plug in the power cord, insert the key, and walk on the treadmill for a few minutes. Repeat until the walking belt is properly tightened. 27