Cooling system
Service and maintenance
© 2007
47
6
Specifications when working on the cool-
ing system
Checking the coolant level with an exter-
nal cooler
z
Fill in new coolant and vent the system according
to the specifications of the cooling system manu-
facturer.
z
Open the cooling system cap (1) carefully.
z
The coolant level must always be between the
MIN and MAX marks of the compensation tank!
Fill up to the MAX mark if necessary.
Danger of scalding from hot coolant!
Cooling system under pressure! Only open
the cap when cool!
The coolant must have a prescribed con-
centration of cooling system corrosion pro-
tection agent!
Observe safety regulations and national
specifications when handling cooling me-
dia.
Observe the manufacturer's specifications
for an external cooler.
Dispose of leaking liquids properly and do
not allow them to seep into the ground.
Order coolant corrosion protection agent
from your DEUTZ partner.
Never operate the engine without coolant
(even for a short time)!
Check coolant additive concentration
z
Open the cooling system cap (1) carefully.
z
Check the coolant additive concentration in the
cooler / compensation tank (2) with a conven-
tional freeze protection measuring instrument (1)
(e.g. hydrometer, refractometer).
z
Necessary coolant additive concentration Cool-
ant mixing ratio (
37
)
You can order the appropriate test instrument from
your DEUTZ partner under order number 1824.
1
2
°C
Fill the cooling system
z
Open the cooling system cap (1) carefully.
z
Fill up coolant to the MAX mark on the compen-
sation tank and close the cooling system cap (1).
z
Switch on any available heating and set to the
highest level so that the heating circuit is filled
and vented.
z
Run engine up to operating temperature (open-
ing temperature of the thermostat).
70
).
z
Switch off the engine.
z
Check coolant level in cooled engine and top up
to the MAX mark on the compensation tank if
necessary.
OBJ_DOKU-12638-001.fm Seite 47 Mittwoch, 22. August 2007 9:25 09
