Grease Replenishment For U-Axis Cross Roller Bearing - YASKAWA Motoman-MPL300 II Instructions Manual

MPL300 II

9.3.6 Grease Replenishment for U-axis Cross Roller Bearing

9 Maintenance and Inspection
9.3 Grease Replenishment/Exchange
Fig. 9-8: U-Axis Cross Roller Bearing Diagram
U-axis cross roller bearing
Grease inlet
Hexagon socket head plug
1. Remove the hexagon socket head plug of the exhaust port.
(Refer to Fig. 9-8 "U-Axis Cross Roller Bearing Diagram".)
2. Remove the hexagon socket head plug of the grease inlet and install
the grease zerk A-PT1/8. Inject grease through the grease inlet using
a grease gun. (The grease zerk is delivered with the manipulator.)
– Grease type:
– Amount of grease:
– Air supply pressure of grease pump:
– Grease injection rate:
3. Reinstall the plug into the exhaust port. Before installing the plug,
apply Three Bond 1206C on the thread part of the plug. Then tighten
the plug with a tightening torque of 4.9 N•m (0.5 kgf•m).
The exhaust port is for AIR flow: Grease is not exhausted
NOTE
from the exhaust port.
Do not inject excessive grease through the grease inlet.
4. Remove the grease zerk from the grease inlet, and reinstall the plug.
Before installing the plug, apply Three Bond 1206C on the thread part
of the plug. Then tighten the plug with a tightening torque of 4.9 N•m
(0.5 kgf•m).
9-17
173124-1CD
Exhaust port
Hexagon socket head plug
Alvania EP Grease 2
approx. 60 cc
0.3 MPa or less
8 g/s or less
HW1482991
80 of 100