Yamaha 4-axis model owner manual Daily inspection, Three-month inspection, Check point Check items

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 point	Check items
Safeguard enclosure	Check that the safeguard enclosure is securely
	fixed at the designated position.
Cables	Check for damages, dents and excessive bending.
	Check for the adherence of chemicals.
Motor, speed	Check for abnormal vibration or noise, and for
reduction gear	abnormal temperature rise.
Pneumatic devices	• 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.

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 point	Check items
	• Clean off any dirt or contamination. Replenish
	the grease after cleaning.
Replenishment of	• Replenish grease if the items on the left are dry
grease to X, Y and Z	or do not have enough grease.
axis ball screw, linear
guide and ball spline	Standard specifications: Alvania No. 2 (Showa Shell)
	Daphne Eponex No. 2 (Idemitsu)
	Clean room specifications: LG-2 (NSK)

!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.

4-2