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For your safety, read all warnings and instruction listed in manual 637-8883.
Ensure the unit is unplugged before servicing.
Required Parts:
• JLX-02-02: "SERVICE KIT, RUNG ASSEMBLY, JLX"
Required Tools:
• #2 Phillips Screwdriver
• 13mm Open Ended Wrench
• Needle Nose Pliers
• Torque Wrench
• 13mm Socket
1. Use a #2 phillips screwdriver
to remove the two (2) screws
securing the lower left section
of the left handrail to the frame.
Repeat for the right side.
JLX Rung Replacement
WARNING!
Fig. 1
Applies to: JLC (9-5350)
Page 1
620-9068 Rev. A
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Summary of Contents for Stairmaster JLX
- Page 1 WARNING! For your safety, read all warnings and instruction listed in manual 637-8883. Ensure the unit is unplugged before servicing. Required Parts: • JLX-02-02: ”SERVICE KIT, RUNG ASSEMBLY, JLX” Required Tools: • #2 Phillips Screwdriver • 13mm Open Ended Wrench •...
- Page 2 2. Remove the two (2) screws securing the left side cover to the unit, then remove the cover. Repeat for the right side cover. Fig. 2 3. Remove the two (2) screws securing the left chainguard to the frame. Fig. 3 Page 2 620-9068 Rev.
- Page 3 4. Remove the two (2) screws securing the right chainguard to the frame. Fig. 4 5. Lay the belt cable with the right chainguard attached on the floor. Fig. 5 Page 3 620-9068 Rev. A...
- Page 4 6. Remove the six (6) screws securing the left and right disc shrouds to the frame, then remove the shrouds. Fig. 6 7. Remove the four (4) screws securing the upper shroud to the frame, then remove the shroud. Fig. 7 Page 4 620-9068 Rev.
- Page 5 8. Remove the three (3) screw securing the right fender to the frame, then remove the fender. Repeat for the left fender. Fig. 8 9. Remove the sixteen (16) screws securing the back right shroud to the unit, then remove the shroud. Fig.
- Page 6 10. Remove the seven (7) screws securing the back left shroud to the unit, then remove the shroud. Fig. 10 11. Remove the remaining nine (9) screws from the right side shroud, then remove the shroud. Repeat for the left side shroud. Fig.
- Page 7 12. Loosen the two (2), lower axle tension nuts on the left and right side, four (4) in total. Fig. 12 13. Twist the rung being replaced 90 degrees to aid in removing the chain. Fig. 13 Page 7 620-9068 Rev. A...
- Page 8 14. With the rung twisted, use a pair of needle nose pliers to remove the master link clip. 15. After removing the clip, remove the master link. Fig. 14 16. Disconnect one of the chains from the rung - DO NOT DISCONNECT BOTH.
- Page 9 17. Install the disconnected chain onto the new rung (JLX-02-02) - ensure that the flat side of the bracket is facing down. RUNG FLAT SIDE DOWN Fig. 16 18. Remove the second chain from the old rung and install it onto the new rung.
- Page 10 20. Use a pair of needle nose pliers to install the master link clip to secure the chains to the new rung. 21. Repeat Steps 13-20 for the other side of the rung. Fig. 18 22. After replacing the rung(s), the chains must be re-tensioned.
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