Maintenance 2. General Maintenance
66 LS20 Rev.4
2.3 Greasing
The ball screw spline and reduction gear units need greasing regularly. Only use the
grease specified in the following table.
CAUTION
Keep enough grease in the Manipulator. Operating the Manipulator with
insufficient
grease will damage sliding parts and/or result in insufficient function of
. Once the parts are damaged, a lot of time and money will be
required for the repairs.
CAUTION
If grease gets into your eyes, mouth, or on your skin, follow the instructions
below.
If grease gets into your eyes
: Flush them thoroughly with clean water, and then see a doctor
immediately.
If grease gets into your mouth
: If swallowed, do not induce vomiting. See a doctor immediately.
: If grease just gets into your mouth, wash out your mouth with water
thoroughly.
If grease gets on your skin
: Wash the area thoroughly with soap and water.
Refer to Maintenance:
Reduction gear units Overhaul timing
6 Joint #2
Joint #3 Ball screw spline unit
At 100 km of operation
(50 km for first greasing)
AFB
10. Greasing the Ball Screw Spline Unit
Joint #1, 2 reduction gear units
As a rough indication, perform greasing at the same timing as overhaul.
However, it may vary depending on usage condition and degree of the load (such as when
operated with the maximum motion speed and maximum acceleration / deceleration in
continuous operation) applied on the Manipulator.
Grease discolors with temperature and gradually becomes black when the internal
temperature of the reduction gear unit exceeds 80 degrees C. Grease functions normally
as lubrication even if it is darkly discolored. However, grease does not exert lubricating
effect when it contains less oil. In that case, grease the parts.
Grease with enough oil content
Grease with less oil content
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