Specifications

Rockhopper 38 – Maintenance Manual
62
AP-74038, Rev. 1.1, 25/01/05
4.4.9 Replacing the Grid Roller Assembly and Coupling Assembly
Step 1 : Remove the Pressure Unit. Refer to “Removing Pressure Unit”.
Step 2 : Remove the self-tapping screws from the Grid Roller Keeper.
Nr. Description
1 Bearing keeper
2 Grid roller
3 Self-tapping screw
Step 3 : Slide the grid roller keeper towards the back and remove it.
Step 4 : Use an Allen Key to loosen the set screws on the coupling.
Nr. Description
1 Grid roller
2 Coupling
3 Screw
4 Bearing
Step 5 : Lift the grid roller and remove it.
Step 6 : To install the removed components, reverse the removal procedure.
Caution :
 Never loosen the platen fastening screw. If it is loosened, it will be necessary to
adjust the platen position with the height adjustment jig.
Caution :
 When tightening the coupling set screws, be sure to use a 1.5 mm Allen key.
Printing quality will be affected if it is not absolutely tight.