Lubricating Joint 3 Ball Screw/SplineAdept Cobra i600/i800 Robot User’s Guide, Rev G 635.6 Lubricating Joint 3 Ball Screw/SplineRequired Grease for the RobotLubrication Procedure1. Turn off main power to the robot.2. Remove the outer link cover by removing six screws located on the sides and topof the cover. Carefully remove the cover.3. Switch on 24 VDC power to the robot4. Press the Brake Release button and move Joint 3 to the top of its travel. Removeany existing grease with a soft, clean, lint-free cloth.5. Using a syringe, apply a small bead of grease to the Joint 3 ball screw grooves (seeFigure 5-1 on page 64).6. Move Joint 3 to the bottom of its travel. Remove any existing grease with a soft,clean, lint-free cloth.7. Apply a thin film of grease to any grooves of the ball screw that you did not reachin Step 5.8. Move Joint 3 up and down several times to spread the grease evenly.9. Remove 24 VDC power from the robot.10. Reinstall the outer link cover.Ball Screw/Spline Assembly GreaseLG-2 Lubricating GreaseLithium Soap, Synthetic HydrocarbonAdept part number: 85139-00002CAUTION: Using improper lubrication products on theAdept Cobra i600 or i800 robot may cause damage to therobot.WARNING: When the outer link cover is removed, you seethe label shown in Figure 6-4 on page 74. Do not removethe J3-ENC or J4-ENC encoder cable connectors from theirsockets. If they are removed, the calibration data will belost and the robot must be run through a factoryrecalibration process, which requires special software andtools.