Yamaha 3-axis model, 4-axis model owner manual Six-month inspection, ZRS, Hxylx

Chapter 4 Periodic Inspections

5 Six-month inspection

Check the following points every six months, and make adjustments or replace- ments as required.

Check point	Check items
Robot's main bolts	Check for looseness, and tighten if necessary.
and screws
X-axis, Y-axis and	• Check for looseness in the X-axis, Y-axis and
Z-axis drive sections	Z-axis drive section (ball screw, linear guide).
(ball screw, linear	Tighten if necessary.
guide)	• Check for vibration during operation. Tighten
	the drive section, and X-axis, Y-axis and Z-axis
	installation bolts if necessary.
	• Check for looseness caused by wear. Contact
	YAMAHA if any abnormality is found.
Z-axis ball spline and	Check for looseness.
ball screw (for ZS, ZRS)	(Contact YAMAHA if any abnormality is found.)
R-axis timing belt	• Check the timing belt tension.
(for ZRS)	• Check the timing belt for abnormalities (cracks
	or cuts).
Wiring in robot	• Check the cables for damage.
	• Check the relay connectors, etc., for looseness.
Belt	• Inspect the timing belt for abnormalities (cracks
(for FXYBX, SXYBX,	or cuts).
ZRS, HXYLX)	• Check the timing belt tension.
Controller	• Check the terminals for looseness.
	• Check the connection connectors for looseness.
Controller rear panel	• Check that the fan is rotating.
cooling fan	• Check whether anything is obstructing the fan.
	• Check the rotating fan for abnormal sounds.
	Check visually if any abnormal sound is heard,
	and remove any foreign matter. Contact
	YAMAHA if no foreign matter is found.
	• Check the fan cover for contamination. Remove
	and clean the cover if contaminated.

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