3
Danger of damage to the pump or system.
CAUTION
☞
Read and follow all the instructions in this manual.
☞
Inform yourself regarding:
☞
Hazards which can be caused by the pump;
☞
Hazards which can arise in your system;
☞
Hazards which can be caused by the medium being
pumped.
☞
Avoid exposing any part of your body to vacuum.
☞
Observe all safety and accident prevention regulations.
☞
Check regularly that all safety requirements are being
complied with.
☞
Do not carry out any unauthorised conversions or
modifications on the pump.
☞
When returning the pump to us please note the shipping
instructions in Section 7.
1.1. For Your Orientation
Instructions in the text
➡
Operating instructions: Here, you have to do something
Symbols Used
The following symbols are used throughout in the illustrations:
Vacuum-flange
Exhaust flange
Gas ballast
Power connection
Position-Numbers
Identical pump and accessory parts have the same position
numbers in all illustrations.
Danger of injury
from moving parts.
WARNING
Danger of personal injury.
WARNING
1. Safety Precautions
1.2. Pictogram Definitions
Important note.
☞
PLEASE NOTE
Danger of burns from touching hot parts.
WARNING
Danger of an electric shock.
WARNING
Danger of poisoning.
DANGER
Содержание DUO 250 A
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