26Remove the three #8 x 3/4" Screws (12) and care-fully pivot the Hood (61) off.Locate the Reed Switch (71) and the Magnet (50)on the left side of the Pulley (51). Turn the Pulleyuntil the Magnet is aligned with the Reed Switch.Make sure that the gap between the Magnet andthe Reed Switch is about 1/8 in. (3 mm). If neces-sary, loosen the #8 x 3/4" Switch Screw (15), movethe Reed Switch slightly, and then retighten theScrew. Reattach the Hood (not shown). If neces-sary, tip down the Uprights (not shown), reattachthe #8 x 2" Screws (not shown), and raise theUprights. Run the treadmill for a few minutes tocheck for a correct speed reading.PROBLEM: The console displays remain lit when you remove the key from the consoleSOLUTION: a. The console features a display demo mode, designed to be used if the treadmill is displayed in astore. If the displays remain lit when you remove the key, the demo mode is turned on. To turn offthe demo mode, hold down the Stop button for a few seconds. If the displays are still lit, see THEINFORMATION MODE on page 21 to turn off the demo mode.PROBLEM: The walking belt slows when walked onSOLUTION: 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 perfor-mance may decrease and the walking belt may be-come damaged. Remove the key and UNPLUGTHE POWER CORD. Using the hex key, turn bothrear roller bolts counterclockwise, 1/4 of a turn.When the walking belt is properly tightened, youshould be able to lift each edge of the walking belt2 to 3 in. (5 to 7 cm) off the walking platform. Becareful to keep the walking belt centered. Then,plug in the power cord, insert the key, and run thetreadmill for a few minutes. Repeat until the walkingbelt is properly tightened.c. If the walking belt still slows when walked on, see the front cover of this manual.TopView5015711/8 in.512–3 in.b6112Rear Roller Bolts