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To Enter Diagnostic Mode:
Turn off the treadmill.
SPRINT-1 & 2 (Press DISPLAY & turn Knob to the ON position simultaneously)
SPRINT-3 & 4 (Press DISPLAY & START simultaneously)
SST & PRG (Press UP & START simultaneously)
CLUB & LTD (Press DISPLAY & START simultaneously)
To calibrate the potentiometer
1. Visually confirm treadmill is level. (0% grade). If it is not at 0% grade, press the elevation down
button until the machine reaches 0% grade.
2. Adjust the pot settings as follows:
SPRINT-1 pot setting: 168 SPRINT –2 pot setting: 155 SPRINT –3 pot setting: -0.2
SPRINT-4 / SST & PRG pot setting: - 0.1 to –0.6
CLUB & LTD pot setting: 1-4
3. If the setting is incorrect:
STEP 1: Turn the post of the potentiometer all the way CLOCKWISE.
STEP 2: Slowly turn the potentiometer COUNTER-CLOCKWISE until the setting is correct.
4. Carefully install potentiometer back into elevation motor housing.
*NOTE: The setting may vary when inserting the potentiometer into the motor. As long as the
change is minimal, fine adjustment can be achieved after the potentiometer is secured in motor
housing.
P/N #70088 110volt
P/N #70126 220volt
P/N #71013
NOTE: ELONGATED BRACKET HOLES ARE FOR
POTENTIOMETER FINE ADJUSTMENT.
A
DJUSTMENT
SHAFT
ELEVATION
POTENTIOMETER
ELEVATION MOTOR
ELEVATION NUT