ABB IRB 6640 - 180/2.55 Product Manual page 273

10. Secure the lower arm with 18 of the
11. Remove the guidings and secure the two
12. Remove the lifting tool from the lower arm.
13. Refit and restore the balancing device.
14. Refit the upper arm.
15. Perform a leak-down test.
16. Refill the gearbox with oil.
3HAC026876-001 Revision: C
Action
6.
CAUTION!
The lower arm weighs 160 kg! All lifting
equipment used must be sized accordingly!
7. Lift the lower arm and move it to its mounting
position.
8. In case the hole pattern of the lower arm and
the gearbox axis 2 does not match, use power
supply to release the motor axis 2 brakes and
rotate the pinion and gear with the rotational
tool.
9. Disconnect the power supply, if used.
20attachment screws and washers in gearbox,
axis 2.
remaining screws as detailed above!
4.4.5. Replacement of complete lower arm
Note
Connect power supply to connector
R2.MP2
• +: pin 2
• -: pin 5
xx0200000165
The rotation tool (A) is used beneath
the motor cover, directly on the motor
shaft as shown in figure above.
Art. no. is specified in
equipment on page
20 pcs: M16 x 50, tightening torque:
300 Nm.
Reused screws may be used,
providing they are lubricated as
detailed in section
page 390 before fitting.
Detailed in section
balancing device.
Detailed in section
on page 263.
Detailed in section
down test on page
Detailed in section
axis 2 on page 157.
Continues on next page
4 Repair
Continued
Required
267.
Screw joints on
Refitting of
Refitting, upper arm
Performing a leak-
188.
Oil change, gearbox
271