9 Maintenance and Inspection
9.3 Grease Replenishment/Exchange
9-9
170625-1CD
HW1482737
ES200RD II
9.3.2.2 Grease Exchange
(Refer to Fig. 9-4 “S-Axis Speed Reducer and Gear Diagram”.)
1. Remove the hexagon socket head plugs from the grease inlet and
grease exhaust port.
2. Install a grease zerk A-PT1/4 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: approx. 7000 cc
– Air supply pressure of grease pump: 0.3 MPa or less
– Grease injection rate: 8 g/s or less
4. The grease exchange is completed when new grease appears in the
g
rease exhaust port. (The new grease can be distinguished from the
old grease by color.)
5. Move the S-axis for a few minutes to discharge excess grease.
6. Wipe the discharged grease with a cloth, a
nd reinstall the plug. Before
installing the plug, apply Three Bond 1206C on the thread part of the
plug. Then tighten the plug with a tightening torque of 4.9 N•m
(0.5 kgf•m).
7. Remove the grease zerk from the grease inlet, and reinstall the plug.
Before ins
talling the plug, apply Three Bond 1206C on the thread part
of the 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
the motor and may cause a damage. Make sure to remove
the plug before the grease injection.
If the plug is installed while grease is being exhausted,
grease will leak inside the motor and may cause a damage.
Make sure to install the plug when the grease exhaust is
completed.
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