Motors And Gears Axes 4-6; Intermediate Gear - ABB IRB 6400R Product On-Line Manual

Motors and Gears Axes 4-6

Tightening torque:
Screws for motor, item 31.25:

4.2 Intermediate gear

Refer to foldout 2:10.
Dismounting:
1. Drain the gearbox of oil.
2. Secure axis 4 mechanically.
3. Remove the cover <28>.
4. Remove the motor as described in Chapter 4.1, Motor axis 4.
5. Unscrew the screws <14>.
6. Unscrew nuts <18> and remove the wedges <17> and remove screws <14>.
7. Pull out the intermediate gear unit.
Mounting:
8. Mount the gear and tighten screws <15.14> only very slightly.
9. Refit the motor as described in Chapter 4.1, Motor axis 4.
10. Adjust the play by moving the intermediate wheel to obtain the minimum play
between the final gear and the motor gear, at four points, by turning axis 4.
Ensure that when axis 4 is turned, the gears do not "scrape" together.
11. Tighten screws <15.14> with a torque of 69 Nm.
12. Insert the 3 wedges <17> with 12 tension washers <43> and the nut <18> on
studs <16>, apply Loctite <39> and tighten with a torque of 8 Nm.
Note! Fit the tension washers with their concave sides facing each other.
NOTE! Check the play.
13. Mount cover <28> with screw <30>and washer <31> with a new seal <29> and
tighten with a torque of 10 Nm.
14. Fill the gearbox with oil, ABB 1171 2016-604, volume 6 litres. Regarding
replacements oils, see the Maintenance Manual IRB 6400.
15. Calibrate the robot as described in Chapter 9, Calibration.
Tightening torque:
Screws for motor, item 25:
16
24 Nm
50 Nm.
Product Manual IRB 6400R
Repairs