4 Grease Replenishment and Exchange
4.3 Grease Replenishment and Exchange for L-Axis Speed Reducer
4-4
159281-1CD
HW1480357
HP20D
4.3
Grease Replenishment and Exchange for L-Axis Speed Reducer
Fig. 4-2: L-Axis Speed Reducer
4.3.1 Grease Replenishment
(Refer to Fig. 4-2 “L-Axis Speed Reducer”.)
1. Make the L-arm vertical to the ground.
2. Remove the hexagon socket head cap screw from the grease inlet and
the hexagon socket head plug 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 No.0
– Amount of grease: 30 cc
(60 cc for 1st supply)
– Air supply pressure of grease pump: 0.3 MPa or less
– Grease injection rate: 8 g/s or less
5. Move the L-axis for a few minutes to discharge excess grease.
6. Remove the grease zerk from the grease inlet and reinstall the screw.
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).
7. Wipe the discharged grease with a cloth, and reinstall the plug on the
grease exhaust port. 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).
Grease exhaust port
(Hexagon socket head plug PT1/8)
Grease inlet
(Hexagon socket head cap screw M6)
L-axis speed reducer
L-arm
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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