4 Repair
4.4.3. Replacement of the upper arm
183
3HAC027151-001 Revision: B
©
Co
py
rig
h
t 200
6-
200
8 ABB. All righ
ts reser
v
ed.
5. Fit the
lifting tool
on the upper arm as
detailed in the enclosed instructions.
Also fit a
hoisting block
to the front, used to
adjust the balance of the upper arm in order
to lift it completely level.
Art. no. is specified in
.
xx0600003102
•
A : Lifting tool
•
B : Roundsling
•
C : Lifting chain
•
D : Hoisting block
6. Remove the cable harness, axes 3-6.
Detailed in section
harness, upper end on page 159
.
7. Remove the three metal clamps securing
the cable harness on the lower arm and
armhouse.
xx0600003083
•
A: Metal clamp, lower arm (2 pcs)
•
B: Metal clamp, gearbox axis 3
•
C: Metal clamp, armhouse
8. Let the removed part of the cable harness
hang lose, without it getting damaged when
removal is proceeded.
9. Remove motor, axis 3.
.
10. Remove the attachment screws securing
the upper arm to the gearbox axis 3.
Note!
Don´t forget to remove the four
screws inside the hole in the lower arm.
Shown in the figure
.
11. Remove the complete upper arm and put it
on the floor. Let the upper arm lean on the
side.
Action
Note
Continued
Continues on next page
