9-20
157569-1CD
HW0485652
MPL100
9 Maintenance and Inspection
9.3 Notes on Grease Replenishment/Exchange Procedures
9.3.5 Grease Replenishment for U-axis Cross Roller Bearing
Fig. 9-8: U-Axis Cross Roller Bearing Diagram
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: Alvania EP Grease 2
– Amount of grease: approx. 60 cc
– Air supply pressure of grease pump: 0.3 MPa or less
– Grease injection rate: 8 g/s or less
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).
4. Remove the grease zerk from the grease inlet, and reinstall the plug.
Before inst
alling 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
from the exhaust port.
Do not inject excessive grease through the grease inlet.
Exhaust port
Hexagon socket head plug
U-axis cross roller bearing
Grease inlet
Hexagon socket head plug
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