R E P 1 6 9 0
Model Name: Rockhopper-46/62
R E P 1 6 9 0
Model Name: Rockhopper-46/62
How to replace Grid Roller Assembly
How to replace Grid Roller Assembly
Item
Replacement and Adjustment Procedure
1. Replacement
Procedure
Grid Roller Assembly Replacement
1.
Remove left cover.
2.
Remove front paper guide.
3.
Remove rear paper guide.
4.
Remove X motor cover.
5.
Remove right and left side caps.
6.
Remove speed reduction pulley assembly.
7.
Remove platen mounting plate (with platen attached).
8.
Raise pressure lever.
9.
Remove all bearing box screws.
10. Move all bearing boxes to a position where the grid roller can be
taken out upwards.
CAUTION:
In order to install bearing boxes and adjustment
spacers in the positions prior to replacement,
check their distribution. Take care not to lose any
adjustment spacers.
11. Remove the bearing keepers from both sides of the grid roller to be
replaced.
12. Loosen the coupling screws, slide the bearing boxes to the side and
take out the grid roller assembly.
13. Assembly is the reverse of dismantling.
CAUTION:
• Install bearing boxes and spacers in the same
positions as before the replacement.
• Install bearing boxes by pushing them far back
and moving them to the left.
• Apply lock-tight to the screw threads when
installing bearing boxes.
• Be careful not to damage the grid roller.
1. Adjust the platen height.
2. Adjust X speed reduction belt tension.
1. Adjustment and
Inspection
Procedure
[62 inch]
[46 inch]
Adjusting spacer
Platen mounting plate
Bearing Box
Bearing keeper
Coupling
Grid roller assembly
