Yamaha NXY, User Manual, Page: 52 / 56

6-4
Chapter
6
PERIODIC INSPECTIONS
2-3 Six-month inspection
Check the following points every 6 months and adjust or replace parts if needed.
Checkpoints Check items Notes
Major bolts and screws
on robot Check for looseness. Tighten if
loose.
Ball screw, linear guide
• Check the ball screw and linear
guide for backlash. Tighten if
necessary.
• Check for vibration during
operation. Tighten bolts if
necessary to secure drive unit
and/or shaft.
• Check for backlash due to wear.
Consult us if problem
cannot be solved or there
is backlash due to wear.
Controller
• Check if terminals are loose.
• Check if connectors are loose
Greasing to ball screw/
nut section and linear
guide
Apply grease every 6 months to
ball screw/nut and linear guide.
Recommended grease
Albania No. 2 (Shell)
Daphne Eponex No. 2
(Idemitsu)
See "4-3" in this chapter.
Slider
On long-stroke robots, check the
slider inside the top cover for
wear or damage every 6 months.
c
CAUTION
Using grease other than those recommended by YAMAHA might shorten the
service life of the ball screw and linear guide.
2-4 Three-year inspection
Check the following points every 3 years or more often if the robot is used frequently.
Checkpoints Check items Notes
Ball screw/nut section
and linear guide Check ball screw/nut and linear
guide for backlash due to wear. Consult us if abnormal
condition is found.
2. Periodic inspection