The following personnel must only work on the machine under the
permanent supervision of an experienced person:
● Personnel participating in training courses
● Trainees
● Personnel being instructed
● Personnel receiving general training
2.6.2 Qualified personnel
Personnel who have successfully completed a specialist training
course that qualifies them to carry out specific activities.
2.6.3 Subject expert
For the purposes of the German Industrial Health and Safety Ordi‐
nance, a subject expert is a person who, through their professional
training, their professional experience and their recent professional
activity, has the required specialist knowledge to inspect the tools.
2.7 Sources of danger
2.7.1 General sources of danger
Never reach into moving machine components, whether the machine
is running or switched off. Always switch off the main switch first.
Take note of the warning plate.
In case of malfunctions, shut the machine down immediately and se‐
cure it. Have faults rectified immediately.
Secure the machine at the set-up site against rolling away by means
of chocks.
Make sure than no one can be endangered by the machine starting
up before you switch on the machine.
Do not loosen or tighten pressurised threaded unions.
2.7.2 Danger from hot machine components
During and after work, there is a risk of burning from hot parts of the
motor and the frame.
Safety regulations
2 — 10
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