4-7
159281-1CD
HW1480357
HP20D
4 Grease Replenishment and Exchange
4.4 Grease Replenishment and Exchange for U-Axis Speed Reducer
4.4.2 Grease Exchange
.)
1. Make the U-arm horizontal to the ground.
2. Remove the hexagon socket head plug from the grease inlet and the
hexagon socket head cap screw from the grease exhaust port.
3. Install the grease zerk A-MT6 x 1 to the grease inlet.
(The grease zerk is delivered with the manipulator.)
4. Inject grease through the grease inlet using a grease gun.
– Grease type:
VIGO Grease RE No.0
– Amount of grease:
approx. 300 cc
– Air supply pressure of grease pump: 0.3 MPa or less
– Grease injection rate:
8 g/s or less
5. The grease exchange is completed when new grease appears in the
exhaust port. (The new grease can be distinguished from the old
grease by color.)
6. Move the U-axis for a few minutes to discharge excess grease.
7. Remove the grease zerk from the grease inlet and reinstall the plug.
Apply ThreeBond 1206C to the thread part of the plug, and tighten the
plug with a tightening torque of 5 N•m (0.51 kgf•m).
8. Wipe the discharged grease with a cloth, and reinstall the screw on the
grease exhaust port. Apply ThreeBond 1206C to the thread part of the
screw, and tighten the screw with a tightening torque of 5 N•m
(0.51 kgf•m).
NOTE
If grease is injected with the plug on, grease will leak inside
the motor and may cause a damage. Make sure to remove
the plug before grease injection.
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