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Check Robot for Oil Around Harmonic Drive
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> PLC 600 or PLC800 robot may cause damage
to the robot.
Lubrication Procedure
1. Turn off main power to the PLC Server 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 118).
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 and tighten the screws to 1.6 N•m (14 in-lb) of
torque.
<strong>Adept</strong> <strong>Cobra</strong> <strong>PLC600</strong>/PLC800 Robot User’s <strong>Guide</strong>, Rev B 117