YASKAWA MOTOMAN-MPL80 II - Grease Replenishment;Exchange for U-Axis Speed Reducer; Grease Replenishment; Grease Exchange

9 Maintenance and Inspection
9.3 Grease Replenishment/Exchange
9-12
170904-1CD
HW1482870
MPL80 II
9.3.4 Grease Replenishment/Exchange for U-Axis Speed Reducer
Fig. 9-6: U-Arm Posture
Fig. 9-7: U-Axis Speed Reducer Diagram
9.3.4.1 Grease Replenishment
(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.
4. Install the grease zerk PT1/8 to the grease inlet. (The grease zerk
is
d
elivered with the manipulator.)
5. Inject grease through the grease inlet using a grease gun.
– Grease type: Molywhite RE No. 00
– Amount of
grease:
140 cc
(280 cc for 1st supply)
– Air supply pressure of grease pump: 0.3 MPa or less
– Grease injection ra
te:
8 g/s or less
U-arm
U-axis speed reducer
Grease inlet
Hexagon socket head
plug PT1/8
Grease exhaust port
Hexagon socket head
plug PT3/8
NOTE
• If grease is injected with the bolt on, grease will leak inside
the motor and may cause a damage. Make sure to
remove the bolt before the grease injection.
•
Do not install a joint, a hose, etc. to the grease exhaus
t
port.
Failure to observe this instruction may result in
damage to the motor due to coming off of an oil seal.
60 of 81