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2. Periodic inspection
2-3
Six-month inspection
Check the following points every 6 months and adjust or replace parts if needed.
Major bolts and screws
on robot
Ball screw, linear guide
Controller
Chapter
6
Greasing to ball screw/
nut section and linear
guide
Slider
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.
Ball screw/nut section
and linear guide
6-4
Checkpoints
Check for looseness. Tighten if
loose.
• 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.
• Check if terminals are loose.
• Check if connectors are loose
Apply grease every 6 months to
ball screw/nut and linear guide.
Recommended grease
Albania No. 2 (Shell)
Daphne Eponex No. 2
(Idemitsu)
On long-stroke robots, check the
slider inside the top cover for
wear or damage every 6 months.
Checkpoints
Check ball screw/nut and linear
guide for backlash due to wear.
Check items
Consult us if problem
cannot be solved or there
is backlash due to wear.
See "4-3" in this chapter.
Check items
Consult us if abnormal
condition is found.
Notes
Notes
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