4-2
Chapter 4 Periodic Inspections
3 Daily inspection
Check the following points before and after robot operation every day. Make
adjustments and replacements as necessary.
Check items
Check that the safeguard enclosure is securely
fixed at the designated position.
Check for damages, dents and excessive bending.
Check for the adherence of chemicals.
Check for abnormal vibration or noise, and for
abnormal temperature rise.
• Check that the air pressure is correct.
• Check that there are no air leaks.
• Check that the water has been drained.
• Check that the air filter is not contaminated.
Check point
Safeguard enclosure
Cables
Motor, speed
reduction gear
Pneumatic devices
4 Three-month inspection
Check the following points every three months, and replenishing grease if re-
quired. (To replace grease, see “7 Replenishing the grease”.)
Check items
• Clean off any dirt or contamination. Replenish
the grease after cleaning.
• Replenish grease if the items on the left are dry
or do not have enough grease.
Standard specifications:
Alvania No. 2 (Showa Shell)
Daphne Eponex No. 2 (Idemitsu)
Clean room specifications:
LG-2 (NSK)
Check point
Replenishment of
grease to X, Y and Z
axis ball screw, linear
guide and ball spline
!
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.