ABB IRB 6640 - 180/2.55 Product Manual page 265

14. Carefully remove the attachment screws and
15. Lift the upper arm and place it on a secure surface.
16. Remove the sealing, axis 2/3 from the lower arm.
Refitting, upper arm
The procedure below details how to refit the upper arm.
3HAC026876-001 Revision: C
Action
washers, upper arm.
Make sure the lift is done completely level! In case
of necessary adjustments, use the shortening loops
on the lifting tool (chain), but make sure to place the
chain the right way through the loops!
Action
1.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
For Foundry Prime robots: Do not turn off the air
pressure to motors and SMB.
2. Fit the two guide pins, sealing axis 2/3 in two of
the attachment screw holes on gearbox 3, see
figure to the right.
Guide the new sealing, axis 2/3 into position on
gearbox 3, using the guide pins.
4.4.4. Replacement of upper arm
Note
Shown in the figure Location of
upper arm on page 260.
Shown in the figure Location of
upper arm on page 260.
Note
Always use a new sealing when reas-
sembling!
Art. no. is specified in Required
equipment on page 261.
xx0200000166
A. Holes for the guide pins (sealing
axis 2/3).
B. Holes for the upper arm
attachment screws (33 pcs).
C. Holes for the gearbox
attachment screws (not affected
in this instruction).
Continues on next page
4 Repair
Continued
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