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4 Repair
4.7.4. Replacement of gearbox, axis 4
3HAC022033-001 Revision: E
356
©
Co
py
rig
h
t 200
4 - 20
08 ABB.
All r
ig
h
ts r
e
se
rv
ed
.
Required equipment
Removal, gearbox axis 4
The procedure below details how to remove gearbox, axis 4.
Equipment, etc.
Spare part no. Art. no.
Note
Gear axis 4
3HAC17810-1
Includes all o-rings!
O-ring
3HAB3772-49
Replace if damaged!
O-ring
3HAB3772-50
Replace if damaged!
Friction washer
3HAC10122-27
2 pcs. Must be replaced at
assembly!
Gasket, cover axis 4
3HAC11423-3
Grease
3HAB3537-1
For lubrication of gearbox,
motor and motor attachment
mating surfaces.
Guide pins M10 x 100
3HAC15521-1
Always use the guide pins in
pairs!
Guide pins M10 x 150
3HAC15521-2
Always use the guide pins in
pairs!
Standard toolkit
-
The content is defined in
section
Calibration Pendulum
toolkit
3HAC15716-1
Complete kit that also
includes operating manual.
Other tools and procedures
may be required. See
references to these
procedures in the step-by-
step instructions below.
These procedures include
references to the tools
required.
Action
Note
1.
DANGER!
Turn off all electric power, hydraulic and pneumatic
pressure supplies to the robot!
For Foundry Prime robots: Do not turn off the air
pressure to motors and SMB.
2. Drain the oil from the primary gearbox through the oil
plug, draining.
Detailed further in section
change, gearbox, axis 4 on page
191
3. Drain the oil from the secondary gearbox through the
oil plug, draining.
Shown in the figure
.
Draining is further detailed in
section
4. Remove the plastic housing from the cover, axis 4
gearbox.
5. Remove the
cover, axis 4 gearbox
by unscrewing its
attachment screws.
Shown in the figure
.
Continued
Continues on next page