10.4 Engine maintenance
➤ Perform maintenance tasks according to the schedule in chapter 10.3.3.1.
10.4.1 Water cooler maintenance
Material Coolant
Coolant tester
Receptacle
Funnel
Cleaning cloths
Precondition The machine is switched off.
The machine is standing level.
The machine is fully vented, the pressure gauge reads 0 psig.
The machine has 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.
Risk of chemical burns 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 right-hand access door.
10.4.1.1 Checking coolant level
The coolant level in the engine cooling circuit must be checked daily prior to startup.
The level is checked on the coolant expansion tank.
■ The tank is semi-transparent so the coolant level can be seen from outside.
■ The level should be between the
minimum and maximum markings when the engine has
cooled down.
10 Maintenance
10.4 Engine maintenance
No.: 901765 05 USE
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
105
