Yamaha 4-axis model User Manual
4-4
Chapter 4 Periodic Inspections
6
Three-year inspection
Check the following points once every three years, and adjust or replenish grease
as necessary.
If the robot is used frequently, inspect the robot at an earlier stage.
as necessary.
If the robot is used frequently, inspect the robot at an earlier stage.
Check items
Disassemble and check the harmonic drive.
Replace the grease.*
Replace the grease.*
Check the ball screws, nuts and linear guide for
looseness caused by wear.
looseness caused by wear.
Check point
R-axis speed
reduction gear
X-axis, Y-axis and
Z-axis drive section
(Ball screw nut
section, motor section
and linear guide)
reduction gear
X-axis, Y-axis and
Z-axis drive section
(Ball screw nut
section, motor section
and linear guide)
*To replace harmonic drive grease, see "8 Maintenance and inspection".