4 Repair
4.6.7. Replacement of motor and timing belt, axis 5
3HAC026660-001 Revision: C202
© Copyright 2006-2008 ABB. All rights reserved.
4. Follow the steps below when fitting the motor:
• Place the timing belt (B) round the motor
pinion and place the belt round the axis
5 as fitting the motor in the upper arm
housing.
• Fasten the motor bracket with two
attachment screws (C), but do not
tighten the screws yet. Use correct
attachment holes, shown in the figure to
the right!
• Adjust the belt tension by pulling the
motor bracket, using the belt tightener
and dynamometer, as shown in the
figure to the right.
• Tighten the two attachment screws of
the bracket (C) with a torque of 10 Nm.
Art. no. is specified in Required
equipment on page 200.
xx0400001280
A. Motor axis 5
B. Timing belt, axis 5
C. Attachment screws and
washers, motor bracket, 2 pcs,
M6 x 20
D. Belt tightener, the dimensions
are shown in the figure Belt
tightener, 3HAC 024044-001
on page 200.
F (Force): 24 N.
5. Refit the motor and timing belt of axis 6. Detailed in section Refitting, motor and
timing belt, axis 6 on page 210.
6. Refit the motor of axis 4. Detailed in section Refitting, motor
axis 4 on page 195.
7. Reconnect all connectors and place the cabling
correctly inside the upper arm housing.
Cable layout shown in the figure Illus-
tration, cabling inside upper arm
housing on page 115.
8. Refit the cover to the upper arm housing.
Check both the gaskets and replace, if
damaged.
Art.no. is specified in Required
equipment on page 200.
9. Recalibrate the robot! Calibration is detailed in a separate
calibration manual, enclosed with the
calibration tools.
General calibration information is
included in section Calibration infor-
mation.
10.
DANGER!
Make sure all safety requirements are met
when performing the first test run. These are
further detailed in section DANGER - First test
run may cause injury or damage! on page 33.
Action Note/Illustration
Continued
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