Precondition The «battery isolating switch» is turned off.
1. Twist and remove the expansion tank filler cap.
2. Mix a quantity of coolant according to the table and replenish to the mark.
Replenish the coolant just below the
maximum mark
A
.
3. Screw on the filler cap.
4. Turn on the «battery isolating switch».
5. Close the door.
6. Start the engine and allow to IDLE for about 1 minute.
7. Stop the engine.
8. Open the right-hand access door.
9. Check the coolant level.
If the coolant level in the expansion tank has decreased: Replenish the coolant.
10. Visually inspect for leaks.
11. Close the door.
10.4.1.5 Draining the coolant
Precondition The machine has cooled down.
The «battery isolating switch» is turned off.
The drain points for compressor cooling oil and engine coolant are led to a central point outside.
The cooling oil is drained via a pipe which is screwed into the drain opening of the cooler and
closed with a shut-off valve. The pipe is sealed with a screwed sealing plug at the drain end.
Fig. 41 Draining the coolant from the radiator
1
Water cooler
2
Shut-off valve (ball valve)
I - open
0 - closed
3
Filler cap
4
Coolant equalising tank
5
Screw fitting - coolant drain
6
Screw plug
10 Maintenance
10.4 Engine maintenance
108
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
No.: 901765 05 USE
