Yamaha FLIP-X Series, User Manual

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Chapter 4 Periodic Inspection
4-8
4-3-2 Applying grease (T9/F types)
Follow these instructions when applying grease to the ball screws and linear guides during peri-
odic maintenance.
On the T9 and F7 types, the grease can be applied to the nut of the ball screw by using the grease
nipple. In this case, prepare a grease nipple (M6) before starting work.
1) Check that the controller power switch is turned off.
2) Remove the screws securing the robot upper cover and remove the upper cover.
3) Apply grease using either of the following methods.
Method A: Coat the ball screw and linear guides with grease by hand and move the slider
back and forth to spread the grease.
Method B: Fit the grease nipple into the M6 tap hole on the flange of the ball screw nut.
Supply grease to the grease nipple and move the slider back and forth to spread
the grease.
Slider
M6 tap hole for grease nipple
Flange of ball screw nut
CAUTION
Be sure to always remove the grease nipple after applying grease with method B.
4) Reattach the upper cover.
4-3-3 Applying grease (B type)
Apply grease to the linear guide every 3 months.
Using the following grease gun and grease will ensure correct refills of grease.
Grease gun model : MG70 (made by THK) or equivalent
Nozzle type : N type (made by THK) or equivalent
Grease : AFB grease (made by THK, 70 g cartridge) or equivalent