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Shimano CJ-8S40 Technical Service Instruction

Shimano CJ-8S40 Technical Service Instruction

Cassette joint

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General Safety Information
WARNING
– To avoid serious injuries:
Obtain and read the service instructions
carefully prior to installing the parts. Loose,
worn, or damaged parts may cause serious
injury to the rider.
We strongly recommend only using genuine
Shimano replacement parts.
Read these Technical Service Instructions
carefully, and keep them in a safe place for
later reference.
NOTE:
The CJ-8S40 cassette joint should only be
used with sprockets from 16T to 23T.
When lubricating the chain or the sprockets, be
careful not to get any oil on the rubber bellows
or the rubber cover of the cassette joint.
For maximum performance we highly
recommend Shimano lubricants and
maintenance products.
Parts are not guaranteed against natural wear
or deterioration resulting from normal use.
CJ-8S40
Cassette Joint
Technical Service Instructions
Installation of the cassette joint
Refer to the Service Instructions for the Inter-8 hub for
details on installation of the cassette joint to the hub and
installation of the non-turn washer.
Note:
Different types of left and right non-turn washers are
available for use with standard and reversed fork
ends. Use whichever non-turn washers are suitable.
Fork end
Standard
Reversed
Reversed
(full chain case)
7 R
The projecting parts should be on the fork end
side.
Install the non-turn washers so that the
projecting parts is securely in the fork end
grooves on either side of the hub axle.
SI-74Y0A
Non-turn washer
Mark / Color
Right
Left
5R / Yellow
5L / Brown
7R / Black
7L / Gray
6R / Silver
6L / White
5R / Yellow
5L / Brown
Mark
t
Size
20
38
= 0
= 0

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Summary of Contents for Shimano CJ-8S40

  • Page 1 7R / Black 7L / Gray NOTE: Reversed 6R / Silver 6L / White The CJ-8S40 cassette joint should only be Reversed used with sprockets from 16T to 23T. 5R / Yellow 5L / Brown (full chain case) When lubricating the chain or the sprockets, be careful not to get any oil on the rubber bellows or the rubber cover of the cassette joint.
  • Page 2: Disconnecting The Shifting Cable When Removing The Rear Wheel From The Frame

    Inner cable fixing bolt unit Cassette joint pulley - 8 S Cassette joint CJ-8S40 JAPAN Set the shifting lever to If it is difficult to pull the outer casing holder out from the outer casing holder section of the...
  • Page 3: Installation Of The Shifting Cable

    While holding the end of the rubber bellows, insert Installation of the shifting the inner cable. Be careful not to pierce the rubber cable bellows with the end of the inner cable at this time. End of rubber bellows Inner cable Use a shifting cable with one inner cable drum.
  • Page 4 2 mm Allen key or a #14 spoke into the hole in the cassette joint pulley, and then turn the pulley so that the inner cable fixing bolt unit fits into the gap in the CJ-8S40 pulley. JAPAN Attach the...
  • Page 5: Adjusting The Cassette Joint

    These service instructions explain how to use and maintain the The yellow setting lines on the cassette joint are Shimano bicycle parts which have been used on your new located in two places. Use the one that is easiest bicycle. For any questions regarding your bicycle or other to see.