4 Repair
4.7.1. Replacement of gearbox, axes 1-2
3HAC026660-001 Revision: C216
© Copyright 2006-2008 ABB. All rights reserved.
Refitting, gearbox unit axes 1-2
The procedure below details how to refit the complete gearbox unit, axes 1-2.
9. Remove the VK-cover from the bottom of the
robot base.
TIP!
When the cabling is removed, it may be easier to
drill a hole through the cover or to try and push it
out from the inside.
10. Secure the weight of the base with lifting slings.
11. Remove the gearbox/base attachment screws
and washer.
Shown in the figure Location of
gearbox unit, axes 1-2 on page 214.
12. Separate the base from the gearbox unit.
Action Note
Action Note
1.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
2.
CAUTION!
The complete gearbox unit weighs 120 kg
(without the base)! All lifting equipment used
must be sized accordingly!
3. Place the gearbox unit with the lower arm
side downwards on a suitable workbench.
4. Clean the mating surfaces of the base and
of the gearbox unit with isopropanol.
5. Lubricate the V-ring with grease and fit it to
the gearbox unit.
Art. no. is specified in Required
equipment on page 214.
6. Fit a small amount of Loctite 574 on the
mating surface in the gearbox unit.
7. Fit the base to the gearbox unit and secure
it with the attachment screws and the
washer.
Shown in the figure Location of gearbox
unit, axes 1-2 on page 214.
16 pcs, M10 x 40, tightening torque: 70
Nm.
8. Fit a new VK-cover to the base of the robot. Shown in the figure Location of gearbox
unit, axes 1-2 on page 214.
Spare part no. is specified in Required
equipment on page 214.
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