TIB720 - New Introduction part numbers + Replacement procedure cursor roller strips

The roller strips and film between the roller strip and Y rail are now available as a spare part.
Please be aware that these spare parts have different codes depending on the machine model.

Further in this technical information bulletin you will find the necessary information on how to replace the cursor roller strip.

Depending on model and serial number, pay very close attention that the steel strips are being mounted in the following correct order:

Each strip contains a PET film + 1 steel strip. The PET film is to be put in between the Y-rail and the steel strip.
After replacing the strip, the strips can be lubricated with the Y-rail cleaner and special grease: RAIL-CLEANER

Mount spare part strips in the following correct order for units with these serial numbers:

Mount spare part replacement strips in the following correct order, for units with the following serial numbers:

Replacement procedure

To replace the cursor roller strip in your machine, please follow this procedure step by step. Tools, Jigs & maintenance parts needed:

Step 1: Remove the covers.

Step 2: Loosen the steel belt adjustment screws (x 2).
            A: Pan-head screw with spring washer and flat washer M3 x 40

Step 3: In order to prevent the steel belt from falling, when moving the carriage to the left (opposite side of the origin), fix steel the belt with acetate tape.

Step 4: Remove the screw retaining the steel belt (origin side).
A: Belt fixing screw

Step 5: Remove the steel belt from the CR speed deceleration pulley.
A: CR speed deceleration pulley
B: Steel belt

Step 6: Remove the CR motor cable from the CR motor.
A: CR motor
B: CR motor cable

Step 7: Remove the screws (x4).

A: CR motor mounting plate
B: Hexagon socket screw M4 x 6

Step 8: Remove the CR motor mounting plate.

Step 9: Remove the CR lock solenoid cable assy from the carriage lock solenoid.
A: cable of carriage lock solenoid
B: CR lock solenoid cable

Step 10: Remove the screws (x4).
A: Cup screw M3x4 Zn-CM2
B: Y driving base

Step 11: Remove the Y driving base.

Step 12: Remove the cursor roller strip.
A: Cursor roller strip
B: Cursor roller strip film

Step 13: Wipe off the cursor roller strip holder with ethanol.

Step 14: Insert the cursor roller strip film.
A: Cursor roller strip film

Step 15: While holding the film, insert the cursor roller strip as shown below.
A: Cursor roller strip
B: Cursor roller strip film
C: non-woven cloth (with ethanol)

Step 15: While holding the film, insert the cursor roller strip as shown below.
A: Cursor roller strip
B: Cursor roller strip film
C: non-woven cloth (with ethanol)

Step 16: Fully insert the cursor roller strip and film.

Step 17: Apply the oil to the cursor roller strip.
A: Jig for oil

Step 18: To reassemble unit, reverse the removal procedure.

Steel belt tension adjustment

Step 1: Open the front cover.

Step 2: Push the carriage lock towards the rear section (in the direction of the red arrow) and release lock.
A: Carriage lock

Step 3: Move Carriage to the left (opposite side of the Origin).

Step 4: Assemble the tension gauge and the steel belt tension attachment.

Step 5: Press the tension gauge against the centre of the steel belt.
A: Steel belt
B: Tension gauge
C: Steel belt tension attachment

Step 6: Press the jig until the steel belt touches the Y rail, then gradually lower the pressure.
Value must be within the defined value when the steel belt and the Y rail are apart.

Step 7: If the tension of the steel belt is not within specification, adjust the tension with the steel belt tension screw.
A: Steel belt
B: Steel belt tension screw

Step 8: Apply thread-lock on area indicated in red as below.

Step 9: Move the carriage and confirm that the steel belt does not run off the CR driven pulley.

Step 10: To reassemble unit, reverse the removal procedure.

Article changes

Revision 1.0 : 22 March 2017 - Initial release
Revision 2.0 : 04 July 2018 - Corrected part number for VJ-426UF