3
2 Precautions
Instruction book, Mounting and maintenance
2
Precautions
Work on the hydraulics control electronics may only be carried out by trained
personnel who are well-acquainted with the control system, the machine and its safety
regulations.
W
ARNING
Make sure that you have sufficient knowledge before designing, modifiying or
servicing the control system.
Read the relevant sections of this document before conducting any work on the control
system.
W
ARNING
The controller units are not field repairable.
N
OTICE
As much as possible of the welding work on the chassis should be done before the
installation of the system. If welding has to be done afterwards, the electrical
connections on the system must be disconnected from other equipment. The negative
cable must always be disconnected from the battery before disconnecting the positive
cable. The ground wire of the welder shall be positioned as close as possible to the
place of the welding. The cables on the welding unit shall never be placed near the
electrical wires of the control system.
Start-up, maintenance, and diagnostics
For all personnel carrying out installation, commissioning, maintenance or
troubleshooting.
W
ARNING
Work on the hydraulics control electronics may only be carried out by trained
personnel who are well-acquainted with the control system, the machine and its safety
regulations.
Before you start,
Read section "Start-up".
Additional information for service
The respective installed product instruction books.
Additional information for diagnosing the system
Read section "System diagnostics", and see "Appendix B", in the installed product
instruction books.
