Life Fitness 8500 Service Manual page 48

Life Fitness Model 8500, 9100, and 9500HR Cross-Trainers
How To... Replace The Crankarm Roller Assembly and Cover
Tools required: Snap ring pliers and Allen wrench set, and Phillips screwdriver
1. Remove the REAR COVERS. See How To... Remove Rear Covers.
2. Remove the ALLEN-HEAD CAPSCREW
from the end ot the ARM EXTENSION.
3. Remove the SNAP RING, TAB WASHER
and ROLLER BEARING ASSEMBLY on
Old configuration assembly. For New
configuration assembly, remove the
setscrew and collar, then remove the
roller bearing assembly.
4. Remove the two(2) countersunk screws
securing the crankarm cover to the
crankarm, and remove the CRANKARM
COVER.
5. Install the CRANKARM COVER and
ROLLER BEARING in the reverse order.
For new style roller bearing assemblies,
make sure that a maximum of .005"
clearance is maintained between the
ROLLER BEARING and the COLLAR.
6
Roller Bearing Assembly
Crank Cover
Collar
Torque
30-35 ft lbs
Arm Extension
Torque 28-33 in lbs
(2 places)
Crankarm
Cover
Roller Bearing
Assembly
Snap
Ring
Tab
Washer
Screws(2)
Torque 65-75 in lbs
Old Style
Roller Assembly
Crankarm
MUST Turn Freely
Cover
After Assembly
NEW STYLE
Arm
Extension
Allen-head
Cap screw
Torque 30-35 ft lbs
.005 MAX
Clearance
Arm
Extension
Collar