9-16
157569-1CD
HW0485652
MPL100
9 Maintenance and Inspection
9.3 Notes on Grease Replenishment/Exchange Procedures
9.3.3 Grease Replenishment/Exchange for U-Axis Speed Reducer
Fig. 9-6: U-Axis Speed Reducer Diagram
9.3.3.1 Grease Replenishment
(Refer to Fig
. 9-6 “U-Axis Speed Reducer Diagram”.)
1. Remove the hexagon socket head plugs from the grease inlet and
gr
ease exhaust port.
2. Install a grease zerk A-PT1/8 to the grease inlet.
(The grease zerk is delivered with the manipulator.)
3. Inject grease through the grease inlet using a grease gun
– Grease type: Molywhite RE No.00
– Amount of grease: 320 cc
(640 cc for 1st supply)
– Air supply pressure of grease pump: 0.3 MPa or less
– Grease injection rate: 8 g/s or less
4. Move the U-axis for a few minutes to discharge excess grease.
Grease inlet
Hexagon socket head plug
Grease exhaust port
Hexagon socket head plug
U-axis speed
reducer
• 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 the grease injection.
• 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.
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