Cybex 425T Treadmill Service Manual
Service
Page 4-26
Elevation Motor
Tools Required
• Phillips head screwdriver
• 9/16” Open end wrench
• 9/16” Socket wrench
! WARNING: Disconnect the power cord before beginning this procedure. Keep wet
items away from inside parts of the treadmill. Electrical shock could occur
even if the treadmill is unplugged.
1. Disconnect the external power source.
A. Unplug the treadmill from the power outlet.
2. Remove the motor cover.
A. Using a Phillips head screwdriver, loosen two screws on each motor cover side (left
and right). See Figure 3.
B. Using a Phillips head screwdriver, loosen two screws on the front motor cover. See
Figure 3.
C. Lift the motor cover up and off the treadmill. The screws will stay in place.
3. Disconnect the elevation motor cable.
A. Cut the wire tie and disconnect the elevation motor cable from the cable connector plate.
4. Remove the elevation motor.
A. Using a 9/16” open end wrench and
a 9/16” socket wrench, remove the
two bolts on the elevation motor (one
at the top and one at the bottom).
NOTE: Hold the motor while you
remove the second bolt so that it
doesn’t fall.
B. Carefully lift and remove the elevation
motor from the treadmill.
5. Calibrate the elevation motor.
A. The switch should be at zero elevation
before adjusting the tube nut. If
necessary connect the elevation
motor, bring the elevation up to 1%
incline and then back down to 0%.
B. Turn the tube with your fingers until
it measures 10.25” (26 cm) from the
center of the top hole to the center of
the bottom hole. See Figure 19.
Figure 19
Bolts
Nuts
10.25”
(26 cm)
Tube
Frame
Elevation
Motor
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