ABB IRB 140 type C Product Manual page 69

Inspection
The procedure below details how to inspect the timing belts.
WARNING!
Please observe the following before commencing any repair work on the manipulator:
3HAC027400-001 Revision: C
• Some parts are HOT after running the robot, e.g. motors and lights! Burns may result
from touching them!
• Turn off all electrical power, hydraulic and pneumatic pressure supplies to the robot!
•
When replacing motors/reducers, make sure that those parts of the robot which could
move unexpectedly are mechanically blocked as specified in the individual
procedures.
Action
1. Gain access to each belt by
removing covers, etc.
2. Check each belt for damage.
3. Check each belt for tension.
If the belt tension is not correct, it
should be adjusted.
3 Maintenance
3.3.3. Inspection, timing belts
Note
These procedures are detailed in sections
Replacement of motor and timing belt, axis 3
on page 137 and Replacement of motor and
timing belt, axes 5 or 6 on page
Replace the timing belts if found defective as
detailed in sections Replacement of motor
and timing belt, axis 3 on page 137
Replacement of motor and timing belt, axes 5
or 6 on page 145.
The belt tension should be:
• Axis 3: F = 35-60 N
• Axis 5: F = 35-60 N
• Axis 6: F = 35-60 N
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Belt tension adjustment is detailed in sections
Replacement of motor and timing belt, axis 3
on page 137 and Replacement of motor and
timing belt, axes 5 or 6 on page
Continued
145.
and
145.
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