Shimano SM-CD800 Dealer's Manual page 23

MAINTENANCE
Replacing the guide
3.
Install the adjuster in the new guide.
(1) Apply a light coating of SHIMANO premium grease (Y-04110000) on the adjuster.
(2) Install the adjuster in the new guide.
4.
Install the guide onto the bracket.
After temporarily mounting, adjust the guide position and then secure the guide.
* This completes the guide replacement process.
Guide
New guide
Apply premium grease
Bracket
Adjuster
23
Guide mounting bolt
2 - 3 N·m