Grease Replenishment For U-Axis Speed Reducer; Grease Replenishment - YASKAWA MOTOMAN-MH5 Instructions Manual

MH5

9.3.4 Grease Replenishment for U-Axis Speed Reducer

9.3.4.1 Grease Replenishment

9 Maintenance and Inspection
9.3 Notes on Grease Replenishment/Exchange Procedures
Fig. 9-7: U-Axis Speed Reducer Diagram
Grease inlet
(Hexagon socket head cap screw M6)
Cover
(Refer to "Fig. 9-7 "U-Axis Speed Reducer Diagram".)
1. Remove the cover to unscrew hexagon socket head cap screw M6
from the grease inlet and the plug M5 from the exhaust port.
• If grease is injected with the plug on, the grease will leak
inside the motor and may cause a damage. Make sure to
remove the plug before the grease injection.
NOTE
Do not install a joint, a hose, etc. to the grease exhaust port.
Failure to observe this instruction may result in damage to
the motor due to coming off of an oil seal.
2. Install the grease zerk A-MT6 x 1 to the grease inlet. (The grease zerk
is packed with the manipulator on the shipment.)
3. Inject grease into the grease inlet using a grease gun.
– Grease type:
– Amount of grease:
The exhaust port is used for air exhaust, and the grease is
NOTE
not exhausted from the exhaust port. Do not inject
excessive grease through the grease inlet.
4. Wipe the discharged grease with a cloth. Remove the grease zerk
from the grease inlet and reinstall the screw M6, and the plug M5 to
the exhaust port before reinstalling the cover.
Apply Three Bond 1206C on the thread part of the screw/plug.
9-12
Exhaust port
(Plug M5)
U-axis speed reducer
U-axis motor
Harmonic Grease SK-1A
20cc
HW0485750
171469-1CD
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