Life-fitness exercise bikes User Manual download pdf

Lifecycle Exercise Bikes

How To...REMOVE THE EXISTING CRANK BEARING/NUT ASSEMBLIES

Tools Required: Special crank arm wrench required (available from Life Fitness), torque wrench (30 FT. LB. with

32mm open end), punch, standard screwdriver, hex key wrench set, clean rag

Warning: If the information in these instructions are not followed exactly, the exercise bike may be

seriously damaged and may void your warranty. To insure proper installation, service by a Life Fitness

authorized service representative is strongly recommended.

Step 1

Remove the exercise bike PEDALS and HOUSING.

Step 2

Remove the CHAIN or DRIVE BELT, depending on model.

Step 3

With a standard screwdriver, remove the three

SPROCKET DUST COVER SCREWS (if so equipped).

Guide the SPROCKET DUST COVER off of the CRANK

ARM.

Step 4 (Figure 1)

Using a 5/32” hex key 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 LOCKWASHERS and the

four BEARING CLAMPS as they are not to be re-used.

Step 5 (Figure 2)

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 THREADED LOCK NUT.

Remember, this NUT is REVERSE THREADED.

NOTE: NUTS ON THE LEFT SIDE ARE REVERSE THREADED, i.e.,

CLOCKWISE TO LOOSEN AND COUNTER-CLOCKWISE TO

TIGHTEN.

Step 6 (Figure 3)

Remove the TAB LOCK WASHER off the inside CRANK NUT on the

left side of the bike. Discard the TAB LOCK WASHER as it is not to

be re-used.

Step 7

With the 32mm crank arm

wrench, loosen and remove

the left side REVERSE

THREADED CRANK

BEARING/NUT ASSEMBLY

by sliding it over the CRANK

ARM.

Step 8 (Figure 4)

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 left side of

the the bike to the right side.

Step 9

With the special 32mm crank arm wrench, loosen and remove the right

CRANK BEARING/NUT ASSEMBLY from the CRANK ARM.

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Lifecycle Exercise Bikes 1

Summary of Contents

Page 1 - Lifecycle Exercise Bikes

1Lifecycle Exercise BikesHow To...REMOVE THE EXISTING CRANK BEARING/NUT ASSEMBLIESTools Required: Special crank arm wrench required (available from Li

Page 2

2Lifecycle Exercise BikesHow To...INSTALL THE NEW CRANK BEARING/NUT ASSEMBLIESStep 10Slide the right CRANK BEARING/NUT ASSEMBLY over theCRANK ARM. Usi

Page 3

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Life-fitness exercise bikes User Manual

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