Life Fitness Lifecycle 9500HR Series Service Manual page 53

Lifecycle 9500HR / 9100 Series Recumbent Exercise Bikes
How To... REPLACE THE CRANK ARM BEARINGS
Tools Required: Special crank arm wrench required (available from Life Fitness), FT LBS. torque wrench, standard
screwdriver, hex key set, and clean rag.
1. See "How To...Replace Shrouds" in
this section.
2. Loosen the POWER GRIP BELT. See
"How To...Replace Power Grip Belt."
3. Remove the left BEARING RETAINER
SCREWS (2).
4. In a clockwise rotation, remove the
LEFT CRANK NUT bearing Assembly.
5. Unbend the tabs of the TAB
WASHER. Remove and discard.
6. In a clockwise rotation, remove the
LEFT BEARING NUT from the
CRANK ARM.
7. Through the ACCESS HOLE in the
crank arm PULLEY, remove the right
BEARING RETAINER SCREWS (2).
8. Remove the CRANKARM out of the bike frame from its right side.
9. Remove the right crank arm BEARING NUT and slide it off the CRANKARM.
10. Install new crankarm bearings in reverse order. Before assembling, use a clean rag to thoroughly clean out the
crank arm bearing area.
11. Install the RIGHT BEARING NUT assembly onto the right CRANKARM and hand thread (clockwise). Finalize
tightening to a torque value between 20-30 ft lbs.
12. Install the CRANK ARM through the right side of the frame seating the right crank bearing in place.
10
Bearing Retaining Screw
Left Crank Arm
Left Crank Nut
Tab Washer
Left Bearing Nut
Bearing Retaining Screw
Left Bearing
Bearing Retaining Screw
Access Hole
Right Bearing Nut
Right Bearing
Bearing Retaining
Screw
Right Crank Arm