ProForm 635CW user manual Symptom the Walking Belt Slows When Walked on

5.SYMPTOM: THE WALKING BELT SLOWS WHEN WALKED ON

a. Use only a UL-listed surge suppressor, rated at 15 amps, with a 14-gauge cord of five feet or less in length.

b. If the walking belt is overtightened, treadmill performance may decrease and the walking belt may be permanently damaged. Remove the key and UNPLUG THE POWER CORD. Using the allen wrench, turn both rear roller adjustment bolts counterclock- wise, 1/4 of a turn. When the walking belt is properly tightened, you should be able to lift each side of the walking belt 3 to 4 inches off the walking platform. The center of the walking belt should just touch the walking platform. Be careful to keep the walking belt centered. 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

3”–4”

Rear Roller Adjustment Bolts

c. If the walking belt still slows when walked on, please call our toll-free HELPLINE.

6.SYMPTOM: THE WALKING BELT IS OFF-CENTER

a.If the walking belt has shifted to the left, first remove the key and UNPLUG THE POWER CORD. Using the allen wrench, turn the left rear roller adjustment bolt clockwise, and the right bolt counterclockwise, 1/4 of a turn each. Be careful not to over- tighten the walking belt. 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 has shifted to the right, first remove the key and UNPLUG THE POWER CORD. Using the allen wrench, turn the left rear roller adjustment bolt counterclock- wise, and the right bolt clockwise, 1/4 of a turn each. Be careful not to overtighten the walking belt. Plug in the power cord, in- sert the key and run the treadmill for a few minutes. Repeat until the walking belt is centered.

c.If the walking belt slips when walked on, first remove the key and UNPLUG THE POWER CORD. Using the allen wrench, 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 2 to 3 inches off the walking platform. Be careful to keep the walking belt centered. Plug in the power cord, insert the key and run the treadmill for a few minutes. Repeat until the walking belt is properly tightened.

a

b

a

7. SYMPTOM: ONE OF THE UPPER BODY ARMS SQUEAKS DURING USE

a. Note: Correcting this problem requires a small amount of white marine grease, available at most hardware stores.

Turn the Resistance Knob (117) counterclockwise until it can be removed. Remove the Resistance Cone (116) and the Upper Body Arm (108), along with the Resistance Washers (84), Spring Washer (121), Thrust Washers (119), and Thrust Bearing (120). (Note: If the Resistance Sleeve [115] comes out of the Resistance Bracket [113], press it back in.) Apply a thin layer of white marine grease to the outer surface of the Resistance Cone (116). Reattach all parts in the order shown.

a	113
		108
	115
		116
		121
		119
		84
		117
		84
		120

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