Lubricating Joint 3 Ball Screw/Spline
Adept Cobra i600/i800 Robot User’s Guide, Rev G 63
5.6 Lubricating Joint 3 Ball Screw/Spline
Required Grease for the Robot
Lubrication Procedure
1. Turn off main power to the robot.
2. Remove the outer link cover by removing six screws located on the sides and top
of the cover. Carefully remove the cover.
3. Switch on 24 VDC power to the robot
4. Press the Brake Release button and move Joint 3 to the top of its travel. Remove
any 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 (see
Figure 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 reach
in 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 Grease
LG-2 Lubricating Grease
Lithium Soap, Synthetic Hydrocarbon
Adept part number: 85139-00002
CAUTION: Using improper lubrication products on the
Adept Cobra i600 or i800 robot may cause damage to the
robot.
WARNING: When the outer link cover is removed, you see
the label shown in Figure 6-4 on page 74. Do not remove
the J3-ENC or J4-ENC encoder cable connectors from their
sockets. If they are removed, the calibration data will be
lost and the robot must be run through a factory
recalibration process, which requires special software and
tools.
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