Life Fitness Home Gym 9000 Treadmills User Manual

How To... Replace the Lift Actuator and Lift Frame (LF 5500HR/8500/9000 Treadmills)  
Tools Required: Phillips screwdriver, pliers, scissors, combination wrenches  
( Kit No GK45-00002-0012 )  
1. Turn the power OFF at the ON/OFF switch and  
then disconnect the line cord from the electrical  
outlet.  
4-Pin Connector  
Lift Channel  
Cotter Pin  
2. Remove the (4) screws securing the motor cover  
and set it aside.  
Clevis Pin  
3. Disconnect the LIFT ACTUATOR 4-PIN  
CONNECTOR located at P7 on the CONTROL  
BOARD. Remove wire ties as necessary.  
4. Remove the CLEVIS PIN from the top of the  
LIFT ACTUATOR located under the LIFT  
CHANNEL.  
5. With an assistant, carefully tilt the treadmill onto  
its right side.  
Control Board  
6. Remove the PIVOT PINS and RETAINING  
Lift Actuator  
CLIPS from the bottom of the LIFT  
ACTUATOR.  
7. Remove the LIFT ACTUATOR from the unit.  
8. Remove the CLEVIS and COTTER PINS located at  
the  
pivot points of the LIFT FRAME.  
Pivot Pin  
9. Remove and discard the LIFT FRAME.  
10. Install the new LIFT FRAME and secure it into  
position with the CLEVIS and COTTER PINS.  
11. Position the new LIFT ACTUATOR in the unit.  
12. Secure the top of the LIFT ACTUATOR to the lift  
channel using the CLEVIS and COTTER PIN that  
was removed in Step 4.  
Lift Actuator  
Retaining Clip  
13. Secure the bottom of the LIFT ACTUATOR to the  
LIFT FRAME using the 3/8” bolt and nut supplied.  
14. Connect the LIFT ACTUATOR 4-PIN CONNECTOR  
to P7 on the CONTROL BOARD.  
15. With the provided wire ties secure the cables to the  
LIFT CHANNEL.  
16. Test the treadmill to insure proper operation.  
Lift Frame  
M051-00K45-A033  
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