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Lubricate Joint 3 Ball Screw
8.5 Lubricate Joint 3 Ball Screw
Required Grease for the Robot
Ball Screw/Spline Assembly Grease
LG-2 Lubricating Grease
Lithium Soap, Synthetic Hydrocarbon
<strong>Adept</strong> part number: 85139-00002
CAUTION: Using improper lubrication products on the
<strong>Adept</strong> <strong>Cobra</strong> <strong>i600</strong> or i800 robot may cause damage to the
robot.
Lubrication Procedure
1. Turn off main power to the controller and 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. Move Joint 3 to the top of its travel. Remove any existing grease with a soft cloth.
4. Using a syringe, apply a small bead of grease to the Joint 3 ball screw grooves (see
Figure 8-1 on page 104).
5. Move Joint 3 to the bottom of its travel. Remove any existing grease with a clean,
lint-free, soft cloth.
6. Apply a thin film of grease to any grooves of the ball screw that you did not reach
in step 4.
7. Move Joint 3 up and down several times to spread the grease evenly.
8. Replace the outer link cover.
WARNING: When the Outer link cover is removed, you
see the label shown in Figure 2-3 on page 19. 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.
<strong>Adept</strong> <strong>Cobra</strong> <strong>i600</strong>/i800 Robot User’s <strong>Guide</strong>, Rev B 103