Fanuc Robot M-20iA/20M

1 Move the robot to the greasing posture described in Table 7.2.3.1 (b).

2 Turn off the controller power.

3 Remove the seal bolt or taper plug from grease outlet. (Fig.7.2.3 (b), (c), (e))

J1-axis : 1 location (seal bolt M8x10)

J2-axis : 3 locations (seal bolt M8x10)

J3-axis : 1 locations (J3-axis reducer first grease outlet ,seal bolt M8x10) *When robot is shipped after June,2011, robot has 2 grease outlet. Remove only first grease outlet.

4 Remove the seal bolt or taper plug from grease inlet and attach grease nipple.

5 Keep greasing until the new grease pushes out the old grease and comes out from each grease outlet.

6 Release remaining pressure using the procedure given in Subsection 7.2.3.6. In case of upside-down mount, pull out about 130cc grease to make space of grease bath.;

Check the oil sight glass of J4, J5/J6-axis gearbox

1 Move the robot to the greasing posture described in Table 7.2.3.2 (b).

2 Turn off the controller power.

3 Remove any peripheral equipment, if it was mounted at the ventilator hole.

4 Put the oil pan under the oil outlet.

5 Block the gap using tape etc. to prevent oil from oil outlet intruding into the J4 connector panel. If robot is shipped before March,2009, remove the J4 connector panel mounting bolts and make plug of oil inlet/outlet can be seen. When moving the connector panel, remove user side or air joint if it is necessary. Then Remove taper plug or seal bolt or oil outlet and ventilator hole and exhaust oil.

6 When all oil is discharged, attach the taper plug. Replace the taper plug by new one. When reusing it, wind it with a seal tape.

7 According to description below, inject oil.

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