Grease Replenishment/Exchange For B- And T-Axis Speed Reducers And Gears; Grease Replenishment - YASKAWA MOTOMAN-MH80 Instructions Manual

MH80 Manipulator
9.3.5 Grease Replenishment/Exchange for B- and T-Axis Speed Reducers

9.3.5.1 Grease Replenishment

9 Maintenance and Inspection
9.3 Notes on Grease Replenishment/Exchange Procedures
and Gears
Fig. 9-9: B- and T-Axis Speed Reducers and Gears
Grease exhaust port
(Hexagon socket head plug PT1/8)
Grease inlet
(Hexagon socket head plug PT1/8)
T-axis speed reducer and gear
(Refer to Fig. 9-9 "B- and T-Axis Speed Reducers and Gears".)
1. Remove the hexagon socket head set screw M6 from the grease
exhaust port.
• If grease is injected with the set screw on, the grease will
go 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. Remove the hexagon socket head plug PT1/8 from the grease inlet
and install the grease zerk PT1/8. (The grease zerk is delivered with
the manipulator.)
3. Inject grease into the grease inlet using a grease gun.
– Grease type:
– Amount of grease:
– Air supply pressure of grease pump:
– Grease injection rate:
4. Move the B-axis for a few minutes to discharge excess grease.
5. Wipe the discharged grease with a cloth and reinstall the set screw M6
on the grease exhaust port. Apply Three Bond 1206C to the thread
part of the set screw, and tighten the set screw with a tightening torque
of 3.9 N·m (0.4 kgf·m).
6. Remove the grease zerk from the grease inlet and reinstall the plug
PT1/8. Apply Three Bond 1206C to the thread part of the plug, and
tighten the plug with a tightening torque of 4.9 N·m (0.5 kgf·m).
9-18
158813-1CD
B-axis speed reducer and gear
Molywhite RE No. 00
300 cc
(600 cc for 1st supply)
0.3 MPa or less
8 g/s or less
HW1480080
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