ABB IRB 140 type C Product Manual page 140

4 Repair
4.6.3. Replacement of motor and timing belt, axis 3
Continued
Required equipment
Equipment, etc.
Rot. ac motor with
pinion
Timing belt
Grease
Standard toolkit
Other tools and
procedures may be
required. See
references to these
procedures in the
step-by-step
instructions below.
Circuit Diagram
Removal
The procedure below details how to remove motor, axis 3.
WARNING!
Please observe the following before commencing any repair work on the manipulator:
NOTE!
Whenever parting/mating motor and gearbox, the gears may be damaged if excessive force is
used!
138
Spare part no.
3HAC 7866-1
3HAC 021756-001
•
Motors and gears are HOT after running the robot! Touching the motors and gears may
result in burns!
•
Turn off all electric power, hydraulic and pneumatic pressure supplies to the robot!
• Take any necessary measures to ensure that the manipulator does not collapse as parts
are removed, e.g. secure the lower arm with fixtures if removing motor, axis 2.
Action
1. Remove any equipment hindering
access to the lower arm cover.
2. Remove the lower arm cover by
unscrewing its attachment screws.
Art. no. Note
3HAC 6793-1
3HAB 3537-1 For lubricating the
o-ring.
3HAC020812-001 The contents are
defined in section
Standard toolkit on
page
the Product manual.
These procedures
include references to
the tools required.
3HAC 6816-3 See chapter
diagram
manual, reference
information.
Note
Shown in the figure in section
motor axis 3 on page 137.
Shown in the figure in section
motor axis 3 on page 137.
Continues on next page
3HAC027400-001 Revision: C
182, in part 2 of
Circuit
in the Product
Location of
Location of