10.3.1 Water cooler maintenance
Material Coolant
Coolant tester
Receptacle
Funnel
Cleaning cloth
Precondition The machine is shut down.
The machine is standing level.
The machine is fully vented, the pressure gauge reads 0 psig.
The machine is cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
Danger of scalding by hot coolant!
Serious injuries can be caused by hot coolant.
➤ Let the machine cool down before opening the cooling system.
There is danger of injury from coolant containing antifreeze!
➤ Avoid eye and skin contact with coolant. If the eyes are affected, rinse immediately with
running water.
➤ Wear protective glasses and gloves.
Insufficient coolant can damage the engine.
Insufficient coolant will cause the engine to overheat. Overheating can cause serious dam‐
age to the engine.
➤ Check the coolant level daily.
➤ Top up the coolant as necessary.
➤ Open the canopy.
10.3.1.1 Checking coolant level
Check the coolant level of the engine daily before starting.
The level is checked on the coolant expansion tank:
■ The tank is semi-transparent so the coolant level can be seen from the outside.
■ The level should be between the
minimum and maximum markings
with the engine cooled
down.
10 Maintenance
10.3 Engine maintenance
No.: 9_9548 05 USE
Operator Manual Screw Compressor
M27
109
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