ProForm Performance 400 Treadmill English Manual - Page 26

 Remove the three #8 x 3/4" Screws (1) and carefully pivot the Motor Hood (62) off. 1 62 Locate the Reed Switch (73) and the Magnet (47) on the left side of the Pulley (48). Turn the Pulley until the Magnet is aligned with the Reed Switch. Make sure that the gap between the Magnet and the Reed Switch is about 1/8 in. (3 mm). If necessary, loosen the #8 x 3/4" Truss Head Screw (18), move the Reed Switch slightly, and 1/8 in. 18 73 47 then retighten the Screw. Reattach the Motor Hood 48 (not shown) with the #8 x 3/4" Screws (not shown). Reattach the #8 x 2" Screws (not shown) if neces- Top sary. Run the treadmill for a few minutes to check View for a correct speed reading. PROBLEM: The incline of the treadmill does not change correctly SOLUTION: a. With the key in the console, press one of the Incline buttons. While the incline is changing, remove the key. After a few seconds, re-insert the key. The treadmill will automatically rise to the maximum incline level and then return to the minimum level. This will recalibrate the incline system. PROBLEM: The walking belt slows when walked on SOLUTION: a. Use only a surge suppressor that meets all of the specifications described on page 14. 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 idler 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 in. (5 to 7 cm) 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 in. Idler Roller Bolts c. If the walking belt still slows when walked on, see the front cover of this manual. 26