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Replacing the Primary Pulley
1
Remove the covers as per procedure,
Covers - UBK13
2
Remove the left hand crankarm and pedal.
Removing a Crankarm
3
Using a 15mm open end wrench, remove the pedal from the crankarm being replaced.
4
Using an 8mm allen wrench, remove the crankarm mounting bolt by turning the bolt clockwise.
5
To remove the crankarm, one of the following crankarm removal tools will be required: Shimano
TL-FC10 Crankarm puller or a CCP-22 Crankarm puller; available at most bike repair shops.In this
procedure the Shimano Crankarm Puller will be used.
Figure 16: Crankarm Removal Tools
6
Remove the nut from the crankarm puller. Thread the nut fully into the crankarm.
Note: If the nut is not fully threaded into the crankarm, the crankarm threads may be destroyed when
the crankarm is removed.
7
Thread the crankarm puller into the nut removed from the crankarm puller. When the crankarm
puller is tightened, the crankarm will be extracted from the crankarm axle. Use a opened wrench to
tighten the crankarm puller, continue to tighten the crankarm puller until the crankarm is removed.
© Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law
Replacing the Covers - RBK13
(on page 16).
Replacing the
(on page 21) or
Page 28
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