ABB IRB 6620LX Product Manual page 223

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Refitting
The procedure below details how to refit the lower arm.
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Product manual - IRB 6620LX
3HAC035737-001 Revision: P
Action
CAUTION
The lower arm weighs 75 kg
(gearboxes axes 2-3 ex-
cluded)!
Remove the attachment
screws and washers securing
the lower arm to gearbox axis
2.
Remove the lower arm.
Action
Secure the lower arm with a roundsling and lift
it to its mounting position.
CAUTION
The lower arm weighs 75 kg (gearboxes axes
2-3 excluded)!
Make sure the o-ring is fitted to the gearbox.
Lightly lubricate the o-ring with grease.
Fit guiding pins in two of the holes in gearbox
axis 2.
Lift the lower arm on to the guiding pins.
Refit the attachment screws and washers secur-
ing the lower arm to gearbox axis 2.
Remove the guiding pins.
Secure the upper arm with a roundsling and lift
it to its mounting position.
Refit the upper arm.
Refit the robot to the carriage.
Refit the cable harness axes 3-6.
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4.4.4 Replacement of lower arm
Note
Shown in the figure Location of lower arm on page
Note
Shown in the figure
arm on page
M16x50, quality 12.9 gleitmo (16 pcs).
Tightening torque: 300 Nm.
Detailed in the section
of the upper arm on page
Detailed in the section
procedure on page
Detailed in the section
of cable harness, upper end on
page 195.
4 Repair
Continued
220.
Location of lower
220.
Replacement
214.
Installation
75.
Replacement
Continues on next page
223