WARNING
Danger of scalding by hot coolant!
Serious injuries can be caused by hot coolant.
➤ Allow the machine to cool down before opening the enclosure.
CAUTION
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.
CAUTION
Insufficient coolant can damage the engine.
Insufficient coolant will cause the engine to overheat. Overheating can cause serious damage 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
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 outside.
■ The level should be between the minimum and maximum markings with the engine cooled down.
Fig. 48 Checking coolant level
1
Filler neck with cap
2
Overflow
3
Coolant expansion tank
4
Radiator connection hose
5
Coolant level
A
Maximum mark (FULL)
B
Minimum mark (LOW)
1. Check the level of coolant in the expansion tank.
Top up when the coolant level falls below the minimum level
B
. Replenish the coolant.
10 Maintenance
10.4 Engine
No.: 9_9425 01 E
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
103