Riso V8000 Series, Technical Manual

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CHAPTER 6. PAPER DRUM SECTION
Assembling back the gripper shaft unit
(1) Fit the gripper shaft unit back on the paper drum.
(2) Mount the gripper gear on the machine rear side of the griper shaft unit.
The groove on the gripper gear should face outside.
(3) Mount the gripper cover shaft, together with the metal bearings on the front and rear.
The side with stepped down diameter should be for the rear side.
(4) Fix the gripper shaft reinforcing arm in position by two screws.
The top surface of the reinforcing arm should be flat with the reinforcing base, as shown
by “A” on the sketch below. The surface indicated by “B” on the sketch should also align
with each other, though may need to slide the reinforcing arm a little bit to allow smooth
movement of the gripper shaft unit and gripper cover shaft.
(5) The final position of the gripper shaft will be readjusted, if required, after running B4 size thin
papers or recycled papers. If paper wrinkle appears, especially on the tail end of the paper, the
gripper shaft reinforcing arm will need to be moved in the direction shown by the arrow mark
indicated under the alphabet “
B ” on the sketch.
P0632
S0633
Gripper gear
Gripper shaft reinforcing arm
Gripper shaft unit
Gripper shaft reinforcing base Gripper cover shaft
(groove on the Gripper gear)
B
A