MTU 12 V 4000 L63 Operating Instructions Manual page 11

Only tighten union nuts of connectors with connector pliers.
On completion of all repair work, the device or system must undergo a function check.
Before replacement, ensure that spare parts are correctly stored, i.e. in particular, protected against
moisture. Defective electronic components and assemblies must be suitably packed when dispatched for
repair, i.e. in particular, protected against moisture and impact and wrapped in antistatic foil if necessary.
Work with laser devices
When working with laser equipment, always wear special laser-protection goggles ⇒ eye injury through
strongly concentrated beam.
Laser devices must be equipped, in accordance with their class and usage, with protective devices for
ensuring safe operation.
For conducting light-beam procedures and measurement work, only the following laser devices may be
used:
• Laser devices in classes 1, 2 or 3A.
• Laser devices of class 3B, which have maximum output in the visible wavelength range (400 to 700
nm), a maximum output of 5 mW, and in which the beam axis and surface have been designed in
such a way as to prevent any risk to the eyes.
MS150058/01E 2012-07 | Safety | 11