Epson RS Series, Руководство по обслуживанию

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RS3 RS4 Maintenance 10. Ball Screw Spline Unit Replacement
RS series Maintenance Rev.3 87
(12) Apply the proper tension to the U belt, and then secure the Joint #3 motor unit.
To do so, pass a suitable cord or string around the Joint #3 motor unit near its mounting
plate. Then, pull the cord using a force gauge or similar tool to apply the specified
tension shown in the figure.
Make sure that the brake cables do
not touch the pulley.
4-M4 × 15 + washer
Z belt tension = 75N (7.7 kgf)
Force gauge
Joint #3 Motor unit
M4 wrench
(13) Connect the following connectors;
Connector X331, X31, X32, X341, X41
Connector XB33, XB34
(14) Re-bundle the cables in their original positions with a wire tie removed in Removal
step (8).
Do not allow unnecessary strain on the cables.
(15) If the position of the lower limit mechanical stop was changed for area limit, secure it
to the proper position.
(16) Grease the shaft.
For details, refer to 10.1. Greasing the Ball Screw Spline Unit .
(17) Install the Arm #2 cover and Arm #1 side cover.
For details, refer to 3. Covers .
(18) Turn OFF the Controller and peripheral equipment.
(19) Install the end effector, and connect wires and tubes to the end effector.
(20) This step is only for Cleanroom-model.
Install the bellows. For details, refer to 9. Bellows .
(21) Perform the calibration of Joints #3 and #4.
For details, refer to 13. Calibration .