Stick control lens in sliding surface with grease. Assembly in reversal order. Mount port plate. Rotary group vertical. REMOVE ROTARY GROUP REMOVE ROTARY GROUP 9) 9) (1) Screw in threaded pin into center pin. Fix the cylinder with disc and locknut. M8 Ч 105 ℓ (2) Press out rotary group. If the bearings are used again do not hit on the drive shaft. 7-44