Yamaha 4-axis model User Manual
4-5
Chapter 4 Periodic Inspections
7
Replenishing the grease
WARNING
Precautions for handling grease
• Inflammation may occur if the grease gets into eyes.
Always wear protective goggles, etc., to protect eyes when handling
the grease.
the grease.
• Inflammation may occur if the grease gets on skin. Wear protective
gloves, etc., to protect skin when handling the grease.
• Do not consume the grease. (Consumption of grease will cause diarrhea
and vomiting.)
• Wear protective gloves when opening the can to prevent injury to hands.
• Store the grease out of the reach of children.
• Do not heat the grease or place it near fire. There is a risk of igniting or
• Store the grease out of the reach of children.
• Do not heat the grease or place it near fire. There is a risk of igniting or
fires.
Remedial measures
• If the grease gets into eyes, flush eyes for 15 minutes with clean water,
and then see doctor.
• If the grease gets on skin, wash off completely with water and soap.
• If the grease is consumed, do not induce vomiting, and instead con-
• If the grease is consumed, do not induce vomiting, and instead con-
sult with a doctor immediately.
!
CAUTION
Use of grease not recommended by YAMAHA may lead to a drop in the ball
screw, linear guide, ball spline and linear bushing shaft life. When using the
clean room specifications, the degree of cleanliness may drop.
screw, linear guide, ball spline and linear bushing shaft life. When using the
clean room specifications, the degree of cleanliness may drop.
!
CAUTION
When replenishing clean grease, manually apply a thin coat on the screws and
the entire length of the spline shaft.
the entire length of the spline shaft.
Refer to the periodic inspections in the explanation for each robot in Chapter 6
and following, and replenish the grease. Observe the following points when re-
plenishing the grease.
and following, and replenish the grease. Observe the following points when re-
plenishing the grease.