Horizon Fitness E51 Service Manual page 41

Replacing the Elliptical RPM Sensor
(Programmable Resistance)
Tools: Phillips screwdriver, 13mm socket, 14mm socket, 17mm wrench,
5mm Allen wrench, crank puller
1. Unplug power supply from elliptical.
2. Remove the 13mm nut and associated bolt that attach the lower
handlebar to the lower link arm.
3. Remove the three 5mm bolts that attach the left lower handlebar to the
left pedal arm.
4. Remove the crank arm cover from the left pedal arm with a Phillips
screwdriver.
5. With a 17mm wrench, remove the nut that attaches the left pedal arm
to the crank axle. Remove the pedal arm from the crank axle.
6. Remove the black cap from the center of the crank disk.
7. Remove the crank arm nut with a 14mm socket.
8. Using a crank puller, thread the puller onto the crank arm. Extract the
crank arm and crank disk from the axle and remove.
9. Lift console mast boot
10. Remove the accent piece by gently lifting up at the bottom of the
accent piece and tilting towards the front of the machine.
11. Remove the screws that attach the left side cover in place.
12. Locate the sensor wire bracket. Remove the screw from the sensor
wire bracket.
13. Remove the old sensor wire from the sensor wire bracket.
14. Unplug the sensor wire connection from the console cable
15. Attach the new sensor wire to the sensor wire bracket.
16. Attach the sensor wire bracket onto the frame.
17. Turn crank by hand to make sure that there is a RPM reading on the
console. (If no RPM reading check to make sure the sensor is in the
correct position.
18. Attach the left side cover and secure with screws.
19. Attach the accent piece, placing the bottom tab into position first and
then placing the top tab into position.
20. Slide console mast boot back into place.
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