Fanuc Robot M-20iA/20M

Check the mechanical cable. (Damaged or twisted)

Check the motor connector.(Loosening)

Retightening extemal main bolts

Check the mechanical stopper and adjustable mechanical stopper.

Check the oil sight glass of J4 to J6 axis

Check the mechanical cable. (Damaged or twisted)

Check the motor connector.(Loosening)

Retightening extemal main bolts

Check the mechanical stopper and adjustable mechanical stopper.

Check the oil sight glass of J4 to J6 axis

Check the mechanical cable. (Damaged or twisted)

Check the motor connector.(Loosening)

Retightening extemal main bolts

Check the mechanical stopper and adjustable mechanical stopper.

Check the oil sight glass of J4 to J6 axis

Check the oil sight glass of J4 to J6 axis

Check there is oil leak on sealed part of each joint parts.

If there is oil leak, clean them.

When air control set is combined

Check air pressure using the pressure gauge on the air regulator as shown in Fig.7.1.1 (c). If it does not meet the specified pressure of 0.49 to 0.69 MPa (5-7 kgf/cm2), adjust it using the regulator pressure-setting handle.

Check the drop quantity during wrist or hand motion. If it does not meet the specified value (1drop/10-20 sec), adjust it using the oiler control knob. Under normal usage, the oiler becomes empty in about 10 to 20 days under normal operation.

Check to see that the lubricator level is within the specified level.

Check the joints, tubes, etc. for leaks. Repair leaks, or replace parts, as required.

Check drain and release it. When quantity of the drain is remarkable, examine the setting of the air dryer to the air supply side.