Grease Replenishment/Exchange For U-Axis Speed Reducer; Grease Replenishment - YASKAWA MOTOMAN-MC2000 II Instructions Manual

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9.3.4 Grease Replenishment/Exchange for U-axis Speed Reducer

Grease inlet
Hexagon socket head
plug PT1/8

9.3.4.1 Grease Replenishment

9 Maintenance and Inspection
9.3 Grease Replenishment/Exchange Procedures
Fig. 9-6: U-Arm Posture
Fig. 9-7: U-axis Speed Reducer Diagram
Replenish the grease according to the following procedure. (Refer to
fig. 9-7 "U-axis Speed Reducer Diagram" .)
1. Make the U-arm horizontal to the ground.
2. Remove the hexagon socket head plug PT3/8 from the grease
exhaust port.
3. Remove the hexagon socket head plug PT1/8 from the grease inlet.
• If grease is injected with the bolt on, the grease will leak
inside the motor and may cause a damage. Make sure to
remove the bolt before the grease injection.
NOTE
• Do not install a joint, a hose, etc. to a grease exhaust port.
Failure to observe this instruction may result in damage to
the motor due to coming off of an oil seal.
4. Install the grease zerk PT1/8 to the grease inlet. (The grease zerk is
delivered with the manipulator.)
5. Inject grease through the grease inlet using a grease gun.
– Grease type:
– Amount of grease:
– Air supply pressure of grease pump:
– Grease injection rate:
6. Move the U-axis for a few minutes to discharge the excess grease.
9-12
U-arm
U-axis speed reducer
Grease exhaust port
Hexagon socket head
plug PT3/8
Molywhite RE No.00
390 cc
(780 cc for 1st supply)
0.3 MPa or less
8 g/s or less
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