When working high on the equipment, always use suitable ladders and work platforms. Make sure com-
ponents or assemblies are placed on stable surfaces.
Ensure particular cleanness during maintenance and repair work on the product. After completion of
maintenance and repair work, make sure that no loose objects are in/on the product (e.g. cloths and
cable ties).
Safety regulations after completion of maintenance and repair work
Before barring, make sure that nobody is standing in the danger zone of the product.
Check that all guards have been reinstalled and that all tools and loose parts have been removed after
working on the product (in particular, the barring tool).
Welding work
Welding operations on the product or mounted units are not permitted. Cover the product when welding
in its vicinity.
Before starting welding work:
• Switch off the power supply master switch.
• Disconnect the battery.
• Separate the electrical ground of electronic equipment from the ground of the unit.
No other maintenance or repair work must be carried out in the vicinity of the product while welding is
going on. Risk of explosion or fire due to oil vapors and highly flammable fluids and lubricants.
Do not use product as ground terminal.
Never position the welding power supply cable adjacent to, or crossing wiring harnesses of the product.
The welding current may otherwise induce an interference voltage in the wiring harnesses which could
conceivably damage the electrical system.
Remove parts (e.g. exhaust pipes) which are to be welded from the product beforehand.
Hydraulic installation and removal
Check satisfactory function and safe operating condition of tools, jigs and fixtures to be used. Use only
the specified jigs and fixtures for hydraulic removal/installation procedures.
Observe the max. permissible force-on pressure specified for the jig/fixture.
Do not attempt to bend or apply force to lines.
Before starting work, pay attention to the following:
• Vent the hydraulic installation/removal jig, the pumps and the lines at the relevant points for the
equipment to be used (e.g. open vent plugs, pump until bubble-free air emerges, close vent plugs).
• For hydraulic installation, screw on the jig with the piston retracted.
• For hydraulic removal, screw on the jig with the piston extended.
For a hydraulic installation/removal jig with central expansion pressure supply, screw spindle into shaft
end until correct sealing is established.
During hydraulic installation and removal, ensure that nobody is standing in the immediate vicinity of
the component to be installed/removed.
Working with batteries
Observe the safety instructions of the battery manufacturer when working with batteries.
Gases emanating from the battery are explosive. Avoid sparks and naked flames.
Do not allow electrolyte to come in contact with skin or clothing.
Wear goggles and protective gloves.
Never place tools on the battery.
10 | Safety | MS15018/02E 2013-09
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