Precor C954 Serivce Manual page 15

4. Plug the power cord into the wall outlet, set the treadmill circuit breaker in the "on" position.
5. Press keys RESET, 5,1,7,6,5,7,6,1, sequentially to enter the diagnostics routine. Refer to
Procedure 2.1 and advance to the lift test. When the lift calibration number is displayed on
the console, use the INCLINE
CAUTION
While running the lift motor in the diagnostics mode it is possible to operate the lift motor beyond
its normal range of motion. When you perform the next step, care must be taken not to jam the lift
tube against the motor frame.
6. Press the RESET key to exit the diagnostics mode.
7. Set the treadmill circuit breaker in the "off" position, unplug the line cord from the wall outlet.
8. Rotate the lift tube clockwise, by hand, as far as possible. Then rotate the lift tube counter-
clockwise until the distance from the top of the lift tube to the lift motor is 5/8 inch (version 1
& 2) or 7/8 inch (version 3). See Diagram 4.1. While rotating the lift tube, be sure the lift
motor drive screw does not rotate. If the drive screw is rotated, return to step 4 and repeat
steps 4 through 7.
9. Replace the clevis and hitch pins removed in step 3. Return the treadmill to an upright
position.
10. Plug the line cord into the wall outlet, set the treadmill circuit breaker in the "on" position.
11. Check the calibration of the lift system by performing the following steps:
a Press the INCLINE
units, 15% on version 3 units).
b Press the INCLINE
-3% on version 3 units).
12. Re-install the hood.
20077-107
or INCLINE
key until maximum incline is obtained ( 12% on versions 1 & 2
key to minimum incline is obtained (0% 0n versions 1& 2 units,
key to set the lift calibration number to 20.
C954, C956 Treadmill
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