2 Installation and commissioning
2.4.3. Mechanically restricting the working range of axis 2
69 3HAC022032-001  Revision: E     
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2.4.3. Mechanically restricting the working range of axis 2
Mechanically restricting the working range
The working range of axis 2 can be restricted mechanically by fitting additional mechanical 
stops (spacers and dampers) to the lower arm and gearbox unit axis 1-3, as detailed in this 
section.
Required equipment
Equipment, etc. 
Spare part 
no.
Art. no. Note
Mechanical stop, axis 2 3HAC 4225-1 Includes spacers, dampers, 
attachment screws and nuts.
Spacer (damper) 3HAB 9185-1
Spacer 3HAC 3962-1
Standard toolkit  3HAC 
17594-1
The contents are defined in 
section Standard toolkit on 
page 264.
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.
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