Grease Exchange - YASKAWA MOTOMAN-MPL80 II Instructions Manual

170904-1CD
II
MPL80

9.3.6.2 Grease Exchange

9 Maintenance and Inspection
9.3 Grease Replenishment/Exchange
(Refer to Fig. 9-9 "B- and T-Axis Speed Reducers and Gears Diagram".)
1. Remove the hexagon socket head plug PT1/8 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, 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 the 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.)
4. Inject grease through the grease inlet using a grease gun.
– Grease type:
– Amount of grease:
– Air supply pressure of grease pump:
– Grease injection rate:
5. 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.
6. Move the B-axes for a few minutes to discharge the excess grease.
7. Wipe the discharged grease with a cloth and reinstall the hexagon
socket head plug PT1/8 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 4.9 N•m
(0.5 kgf•m).
If grease is injected with the plug on, grease will leak inside
NOTE
the motor and may cause a damage. Make sure to remove
the plug before the grease injection.
8. 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).
9-17
Molywhite RE No. 00
approx.1500 cc
0.3 MPa or less
8 g/s or less
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