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page 20
Using the Micro-Adjustment Knob
The micro-adjustment knob on the 904 treadmill allows adjustments that affect
the movement of the running belt. Adjust the resistance while you are walking
or running on the treadmill. Before using the micro-adjustment knob, make
sure that you have completed the following procedures:
• assembled your 904 treadmill—
Assembly Instructions
• adjusted the elevation tube settings—
Adjusting the Elevation Tube
• checked the running belt alignment—
Aligning the Running Belt
• determined handrail usage—
Using the Handrails
Diagram 13 on page 17 shows the location of the micro-adjustment knob on
the 904 treadmill.
Note: Remember that the running belt should move freely while you maintain a
comfortable momentum (without holding onto the handrails).
If more than one person in your household uses the treadmill, be sure to
release the belt resistance at the end of your workout by turning the micro-
adjustment knob clockwise till it stops. This allows the next person on the
treadmill to properly readjust the elevation and resistance according to his or
her needs. Refer to Table 1 on page 13 to set the treadmill to the proper
elevation before beginning a workout.
• To increase the resistance of the running belt and decrease speed, slowly
turn the knob counterclockwise. The micro-adjustment knob is a fine-
tuning device. Screw threads appear if the micro-adjustment knob is
rotated
too
many times. If you see the threads beginning to appear, turn
the knob clockwise till it stops, step off the treadmill, and readjust its
incline. Refer to
Adjusting the Elevation Tube
.
• To reduce the resistance of the running belt and increase speed, slowly
turn the knob clockwise.
Important: If the micro-adjustment knob is turned clockwise as far as it can go
and you need to continually push against the handrails to keep the running belt
moving, you will need to raise the elevation and reset the height adjustment
pins into the next hole. Refer to
Adjusting the Elevation Tube
.
CAUTION: Avoid excessive
wear to the running belt by
setting the proper elevation for
your weight. Refer to Table 1
on page 13.