KAESER KOMPRESSOREN M250, Руководство оператора, Страница: 128 / 426

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 both left-hand doors.
10.4.1.1 Checking coolant level
The coolant level in the engine cooling circuit must be checked daily prior to startup.
Use the sight glass of the coolant expansion tank to check the coolant level. The coolant must be
visible in the sight glass.
Fig. 41 Checking coolant level
1
Service cover of coolant expansion tank
opened
2
Left-hand front door opened
3
Coolant equalising tank
4
Coolant level sight glass
5
Filler port with cap
1. Check coolant level.
If you cannot see coolant in the sight glass: Replenish the coolant.
2. Close the doors.
Have the cause for the coolant loss determined and rectified.
10.4.1.2 Checking the coolant
The coolant should be checked according to the maintenance schedule to ensure quality and op‐
erational life.
Coolant quality can be determined by the following parameters:
■ Visual check
■ Antifreeze concentration measurement
10 Maintenance
10.4 Engine maintenance
114
Operator Manual Screw Compressor
M250 SIGMA CONTROL MOBIL
No.: 9_9570 07 USE