➤ Never top up antifreeze (option ba) unless the machine is stopped and cooled down.
➤ Make sure that the ambient temperature at the machine's place of use is within permissible lim‐
its.
Hot coolant
The cooling system of a liquid-cooled engine at running temperature is under high pressure.
If the filler cap is unscrewed, hot coolant can spray out under pressure and cause severe scalding.
➤ Let the machine cool down before opening the cooling system.
➤ Unscrew the filler cap carefully by a quarter to half a turn at first. When pressure has escaped,
remove the filler cap completely.
Forces of compression
Escaping compressed air can cause serious injury. The following information concerns work on
components that could be under pressure.
➤ Wait until the machine has automatically vented (check that the pressure gauge indicates 0
bar).
➤ Then open an outlet valve carefully to ensure that the line between the minimum pressure/
check valve and the compressed air outlet is vented.
➤ Do not carry out welding, heat treatment or mechanical modifications to pressurized compo‐
nents (e.g. pipes and vessels) as this influences the component's resistance to pressure.
The safety of the machine is then no longer ensured.
Spring force
Sudden release of spring force can cause serious energy.
Minimum pressure/check valves, pressure relief valves and inlet valves are powerfully spring-loa‐
ded.
➤ Do not open or dismantle any valves.
Compressed air quality
➤ Never directly inhale compressed air.
➤ Use appropriate systems for air treatment before using the compressed air from this machine
as breathing air and/or for the processing of foodstuffs.
➤ Use foodstuff-compatible cooling oil whenever compressed air is to come into contact with
foodstuffs.
Rotating components
Touching the fan wheel, the coupling or the belt drive while the machine is running can result in
serious injury.
➤ Operate the machine only with closed safety guards, access doors and panels.
➤ Shut down the machine before opening a door or canopy.
➤ Wear close-fitting clothes and a hair net if necessary.
➤ Fit all safety devices and panels before starting the engine.
3
Safety and Responsibility
3.5
Dangers
16
Service Manual Screw Compressor
M43
No.: 9_9432 02 E
RAMIRENT
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