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

171469-1CD
MH5

9.3.1 Grease Replenishment for S-Axis Speed Reducer

9.3.1.1 Grease Replenishment

9 Maintenance and Inspection
9.3 Notes on Grease Replenishment/Exchange Procedures
Fig. 9-4: S-Axis Speed Reducer Diagram
Exhaust port (hexagon
socket head plug PT 1/8)
S-axis speed reducer
3BC 4BC
AIR1
AIR2
2BC
1BC
S-axis motor
(Refer to Fig. 9-4 "S-Axis Speed Reducer Diagram".)
Replenish the grease in accordance with the following procedure:
1. Remove the hexagon socket head cap screw M6 from the grease inlet
and the hexagon socket head plug PT1/8 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 PT1/8 to the grease inlet. (The grease zerk is
packed with the manipulator on the shipment.)
3. Inject the 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. Move the S-axis for a few minutes to discharge excess grease.
5. Wipe the discharged grease with a cloth. Remove the grease zerk
from the grease inlet and reinstall the screw M6, and the plug PT1/8 to
the exhaust port.
Apply Three Bond 1206C on the thread part of the screw/plug.
9-9
Grease inlet (hexagon
socket cap screw M6)
Harmonic Grease SK-1A
25cc
HW0485750
53 of 74