Fanuc Robot S-420iW

Air pressure in the air regulator (kgf/cm2)

Drop quantity during wrist or hand motion (drop/sec)

Is the oiler level within the specified level?

Any leaks in the joints, tubes, etc.?

Air pressure in the air filter unit (kgf/cm2)

Does the element have harsh stains?

Any leaks in the joints, tubes, etc.?

Does the robot move smoothly without unusual vibration or sounds?

Are the motors' temperatures excessively high?

Battery in the mechanical unit replaced?

Cables used in mechanical unit checked?

Each part cleaned and inspected?

Tightness of major external bolts checked?

Balancer joint bearing greased?

Grease supplied to the bearing (only for the S--420i R)?

See Section 3.2 for more details on greasing the bearing.

Filter elements in the air filter unit replaced?

1) Check the following items once every three months. Additional inspection areas and times should be added to the table according to the robot’s working conditions, environment, etc.

Check whether the cable connected to the teach pendant is unevenly twisted.

If the ventilation portion of the control unit is dusty, tum off power and clean the unit.

Check the following items at the first quarterly inspection, then every year thereafter.

Check whether the jackets of the mechanical unit cables are damaged. Also check whether the cables are excessively bent or unevenly twisted. Check that the connectors of the motors and connector panels are securely engaged.See section 7.2.

Clean each part (remove chips, etc.) and check component parts for cracks and flaws.

Further tighten the end--effecter mounting bolts and external main bolts.

Grease to the balancer bushing. Refer to item 3.2. in every 6 month;

Warning: This lubrication process requires trained personnel with PPE!

Replacing grease of each axis, reducer and gear box

Has the grease been replaced in each axis?

Has the grease been replaced in the reducer?

Has the grease been replaced in the gear box?

Greasing to cross-roller bearing

Has the cross-roller bearing been greased?

Grease to the required positions. Refer to item 3.2.

Has the grease been applied to the required positions?

Upload a photo of the replaced filter element

Sign off on the filter element replacement