Grease Replenishment For R-Axis Speed Reducer And Rbt-Gear In The Casing; Grease Replenishment - YASKAWA MOTOMAN-MC2000 II Instructions Manual

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9.3.5 Grease Replenishment for R-axis Speed Reducer and RBT-gear in the casing

9.3.5.1 Grease Replenishment

9 Maintenance and Inspection
9.3 Grease Replenishment/Exchange Procedures
Fig. 9-8: R-axis Speed Reducer Diagram
Exhaust port
Hexagon socket head
plug PT3/8
Replenish the grease according to the following procedure. (Refer to
fig. 9-8 "R-axis Speed Reducer Diagram" .)
1. Remove the hexagon socket head plug PT3/8 from the grease
exhaust port.
2. 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.
3. Install the grease zerk PT1/8 to the grease inlet. (The grease zerk is
delivered with the manipulator.)
– Grease type:
– Amount of grease:
– Air supply pressure of grease pump:
– Grease injection rate:
4. The grease discharge is complete when new grease appears from the
exhaust port. The new grease can be distinguished from the old
grease by color.
5. Move the R-axes for a few minutes to discharge the excess grease.
6. Wipe the discharged grease with a cloth and reinstall the hexagon
socket head plug PT3/8 to the exhaust port.
Before installing the plug, apply Three Bond 1206C on the thread part
of each plug, then tighten the plug with a tightening torque of 23 N•m
(2.3 kgf•m).
7. Remove the grease zerk from the grease inlet and reinstall the
hexagon socket head plug PT1/8.
Before installing the plug, apply Three Bond 1206C on the thread part
of each plug, then tighten the plug with a tightening torque of 4.9 N•m
(0.5 kgf•m).
9-14
R-axis speed reducer
Grease inlet
Hexagon socket head
plug PT1/8
Molywhite RE No.00
approx.740 cc
(1480 cc for 1st supply)
0.3 MPa or less
8 g/s or less
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