USER MANUAL –
M625/M325 DRIVE SYSTEM
7
INS
TALL
A
TION
6.2 Drive Unit Installation
6.2.1 List of Tools to be Used
An impact wrench cannot be used.
Use of the Tools
Tools
To fasten M5 screws onto the chainset.
Internal star screw wrench
To fasten M6 screws onto the support and the drive unit.
Internal star screw wrench
To fasten M8 screws on the crank.
Internal hex wrench
To fasten screws on the hose clamp.
Cross screwdriver
Locking ring M33-A
Special tool
Locking ring M33-PH1(B)
Special tool
Special tool
