Risk of injury from pressurised or
moving parts.
Only carry out inspection, maintenance, and repair work when the screw com-
pressor system is at a standstill and is not under pressure. The system must
be secured from being switched on.
Before removing or opening pressurized components, positively isolate any
source of pressure and depressurize the entire system.
During the course of maintenance and
repairs, parts can be damaged which
are important for safety.
Never weld any pressure reservoir or change it in any way.
If work which produces heat, flames or sparks has to be carried out on a
machine, the adjacent components have to be protected by means of non
inflammable material.
Motor, air filter, electrical components and regulating equipment have to
protected from the ingress of humidity, e.g. when cleaning the system by
means of a steam jet.
Under no circumstance must the sound-proofing material be removed or
modified.
Never use etching solvents which could attack the materials used.
Before cleaning the machine with water or steam jet (high pressure cleaner)
or other cleaning agents, cover/mask all openings which have to be protected
from the ingress of water, steam or detergents for safety and/or functional
reasons, in particular electric motors and switch cabinets. After cleaning,
remove the covers/masking completely.
Modifications to the machine impair
safety.
After completing repair work, always check to see whether any tools, loose
parts or cloths have been left in or on the machine, driving engine or driving
equipment.
After the work has been completed, replace any protective devices that have
been removed. Operation without protective devices is not permissible.
Always re-tighten screwed connections which have been loosened for
maintenance and repair work.
Machines performing a rotating movement have to be cycled several times in
order to ensure that there are no mechanical faults in the machine or the drive
member.
Before releasing the power unit for operation after maintenance or overhaul,
check that the operating pressures, temperatures and time settings are
correct and that the regulating and shut-down equipment function properly.
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