9-20
170625-1CD
HW1482737
ES200RD II
9 Maintenance and Inspection
9.3 Grease Replenishment/Exchange
9.3.5.6 Grease Exchange for R-Axis Speed Reducer
(Refer to Fig. 9-7 “U-Arm Diagram”.)
1. Remove the hexagon socket head plugs from the grease inlet and the
grease exhaust port.
2. Install a grease zerk A-PT1/8 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. 2050 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
gr
ease exhaust port. (The new grease can be distinguished from the
old grease by color.)
5. Move the R-Axis for a few minutes to discharge excess grease.
6. Wipe the discharged grease with a cloth, and reinstall the plug. Before
inst
alling 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 inst
alling 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.
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