4 Repair
4.8.1. Replacement of gearbox unit, axes 1-2-3
219 3HAC022032-001 Revision: E
© Copyright 2004-2008 ABB. All rights reserved.
Removal, gearbox unit
The procedure below details how to remove the gearbox unit, axis 1-2-3, including the
motors, from the robot.
Standard toolkit 3HAC 17594-1 The contents are defined
in section Standard toolkit
on page 264.
Lifting slings with hoisting
block
Lifting capacity: 500 kg.
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.
Calibration Pendulum
instruction
General calibration
information is included in
section Calibration
information on page 235.
Equipment, etc. Spare part no. Art. no. Note
Action Info/Illustration
1.
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.
The gearbox unit weighs 360 kg (robot
version IRB 4400/45, /60, /L30, /L10 and
IRB 4400/S) or 475 kg (robot version
IRB 4450S)! All lifting equipment used
must be sized accordingly!
3.
The base weighs 130 kg! All lifting
equipment used must be sized accord-
ingly!
4. Remove the cable harness and serial
measuring board.
Detailed in sections Replacement of cable
harness, axes 1-3 on page 116, Removal
of cable harness, axes 4-6 and
Replacement of serial measurement unit
on page 180.
Continued
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