Grease Replenishment/Exchange For S-Axis Speed Reducer; Grease Replenishment - YASKAWA MOTOMAN-MC2000 II Instructions Manual

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9.3.2 Grease Replenishment/Exchange for S-axis Speed Reducer

9.3.2.1 Grease Replenishment

9 Maintenance and Inspection
9.3 Grease Replenishment/Exchange Procedures
Fig. 9-4: S-axis Speed Reducer Diagram
S-axis speed reducer
Replenish the grease according to the following procedure. (Refer to
fig. 9-4 "S-axis Speed Reducer Diagram" .)
1. Remove the hexagon socket head plug PT1/4 from the grease inlet
and the hexagon socket head plug PT3/8 from the grease exhaust
.
port
• If grease is injected with the plugs 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 a 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 PT1/4 to the grease inlet. (The grease zerk is
delivered with the manipulator.)
3. Inject the grease through the inlet using a grease gun.
– Grease type:
– Amount of grease:
– Air supply pressure of grease pump:
– Grease injection rate:
4. Move the S-axis for a few minutes to discharge the excess grease.
5. Wipe the discharged grease with a cloth and reinstall the hexagon
socket head plug PT3/8 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 23 N•m
(2.3 kgf•m).
6. Remove the grease zerk from the grease inlet and reinstall the
hexagon socket head plug PT1/4.
Before installing the plug, apply Three Bond 1206C on the thread part
of each plug, then tighten the plug with a tightening torque of 12 N•m
(1.2 kgf•m).
9-8
Grease exhaust port
Hexagon socket
head plug PT3/8
Grease inlet
Hexagon socket
head plug PT1/4
Molywhite RE No.00
1360 cc
(2720 cc for 1st supply)
0.3 MPa or less
8 g/s or less
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1BC
S1
AIR
2BC
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