Instructions / Assembly

21
 Friction adjustment (except RD-M986)
The friction amount can be adjusted as desired.
Furthermore, you can also adjust after a change of the friction occurs during use.
1. Set the lever switch to OFF.
2. Using a 2 mm Allen key, remove the plate unit cover.
Lever switch
Plate unit
Plate unit cover
3. Using 5.5 mm wrench, move the friction adjustment bolt to adjust the friction.
Friction adjustment bolt
Friction increasesFriction decreases
4. Check the friction torque.
• While pressing the friction unit with your finger as shown in the illustration, set the lever switch to the ON position and
check the friction torque.
RD-M786/M675/M615
Friction torque:
3.5 - 5.4 N·m {31 - 47 in. lbs.}
RD-M820/M640
Friction torque:
3.1 - 4.1 N·m {27 - 36 in. lbs.}
ON
4 mm Allen key
Friction unit
Note:
If adjusting the friction once more, be sure to set the lever switch to the OFF position while pressing the friction unit with your
finger before making the adjustment.