4 Repair
4.7.1. Replacement of gearbox, axes 1-2
2153HAC026660-001 Revision: C
© Copyright 2006-2008 ABB. All rights reserved.
Removal, gearbox unit axes 1-2
The procedure below details how to remove the complete gearbox unit, axes 1-2.
Grease 3HAB 3537-1 For lubricating the V-ring.
Locking liquid - Loctite 574
Lifting slings -
Standard toolkit The contents are defined in
section Standard toolkit on page
237.
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.
Equipment Spare part no. Art. no. Note
Action Note
1.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
2. Remove the motor, axis 1. Detailed in section Removal, motor
axis 1 on page 178.
3. Remove the motor, axis 2. Detailed in section Replacement of
motor, axis 2 on page 181.
4. Remove the complete arm system. Detailed in section Removal,
complete arm system on page 126.
5. Drain the oil from gearbox, axis 1.
6. Unfasten the base from the installation site by
removing the attachment bolts from the
foundation.
7.
CAUTION!
The complete gearbox unit and base weighs 201
kg together! (Base: 81 kg, gearbox unit: 120 kg.)
All lifting equipment used must be sized accord-
ingly!
8. Fit the lifting slings to the base/gearbox unit and
place it with the lower arm side downwards, on top
of a suitable workbench.
Continued
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