Crank Arm And Bearings - Life Fitness Lifecycle 9500RHR Series Service Manual

Lifecycle 9500RHR Series Exercise Bikes
How To...REMOVE AND REPLACE THE CRANK ARM AND BEARINGS
Tools Required: Special crank arm wrench required (available from Life Fitness), torque wrench 30 FT. LBS. with
32mm open end, punch, Standard screwdriver, hex key set , and clean rag
WARNING! IF THE INFORMATION IN THESE INSTRUCTIONS ARE NOT FOLLOWED EXACTLY, THE
EXERCISE BIKE MAY BE DAMAGED, VOIDING YOUR WARRANTY. TO INSURE PROPER INSTALLATION,
SERVICE BY A LIFE FITNESS AUTHORIZED REPRESENTATIVE IS STRONGLY RECOMMENDED.
STEP 1
Remove the exercise bike PEDALS and HOUSING.
STEP 2
Remove the DRIVE BELT.
STEP 3
With a Standard screwdriver, remove the three SPROCKET DUST
COVER SCREWS (if equipped). Guide the SPROCKET DUST COVER
off of the CRANK ARM.
STEP 4
Using a 5/32 inch hex wrench, remove the two BEARING CLAMP
BOLTS, two LOCKWASHERS and four BEARING CLAMPS from the bike frame. Discard the two bearing clamp
bolts, two split washers, and four bearing clamps. DO NOT reuse.
STEP 5
Bend the outward tab of the TAB LOCK WASHER to allow rotation of the REVERSE THREADED LOCK NUT.
Using the 32mm crank arm wrench, loosen and remove the REVERSE THREAD LOCK NUT. Remember that this
nut is reverse threaded.
NOTE: NUTS ON THE LEFT SIDE ARE REVERSE THREADED. CLOCKWISE TO LOOSEN,
COUNTER-CLOCKWISE TO TIGHTEN.
STEP 6
Remove the TAB LOCK WASHER off the inside CRANK NUT on the left side of the bike. Discard the TAB LOCK
WASHER. DO NOT REUSE THE TAB WASHER.
STEP 7
Using a 32mm crank arm wrench, loosen and remove the left side REVERSE THREADED CRANK BEARING/NUT
ASSEMBLY and slide it over the CRANK ARM.
STEP 8
Remove the CRANK ARM from the CRANK TUBE by tilting it from its vertical
position to a horizontal position. Guide the crank arm through the crank tube
until it has been completely removed from the right side of the bike.
STEP 9
With the 32mm crank arm wrench, loosen and remove the right CRANK
BEARING/NUT ASSEMBLY from the CRANK ARM.
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