ABB IRB 260, Product Manual

Page: 190 / 268

Note/Illustration Action
4 pcs. Tightening torque: 2 Nm. Fit the four attachment screws and tighten them
slightly. Make the adjustments described below
before tightening the screws properly. 5
Connect to connector R3.MP2:
• +: pin 7
• -: pin 8
In order to release the brakes, connect the 24
VDC power supply to the motor. 6
See the figure below. Fit the measuring tool to the rear of the motor. 7
Art. no. is specified in Required
equipment on page 188 .
Rotate the motor shaft several turns, using the
measuring tool.
There must always be some backlash, meaning
that the shaft should go easy to rotate! 8
The tip of the dial indicator must
measure on a 50 mm radius from the
center of the motor shaft.
xx0200000473
Place the tip of a dial indicator against the
scribed mark on the measuring tool. 9
A Measuring tool
Set the gear play to 0.02 mm, which corresponds
to a reading on the dial indicator of 0.13 mm. 10
See the figure above. Pull gently in one direction. Note the reading.
(The gear must not turn.) 11
See the figure above. Then gently knock on the tool in the other direc-
tion and note the reading. The difference in
reading = gear play. The gear play should be
0.02 mm which corresponds to a reading on the
dial indicator of 0.13 mm. 12
4 pcs. Tightening torque: 23 Nm. Tighten the four attachment screws. 13
Detailed in section Performing a
leak-down test on page 112 .
Perform a leak-down test. 14
Where to find type of oil and total
amount is detailed in
Type and
amount of oil in gearboxes on
page 101
.
Fill the gearbox with oil. 15
Shown in the figure Location of mo-
tor, axis 2 on page 187 .
Refit the connection box and secure with the
three attachment screws and plain washers.
Make sure that the gasket is fitted properly!
16
Continues on next page
190 3HAC026048-001 Revision: E
© Copyright 2006-2013 ABB. All rights reserved.
4 Repair
4.7.2 Replacement of motor, axis 2
Continued