Maintenance
Drive unit/diesel engine
140
BA RD40_RD45 en 00
Switch off the diesel engine and remove the ignition key.
Only check the coolant level when the diesel engine is cold.
Correct coolant level: Centre of fill level indicator [2]. Do not exceed
this level!
If there is insufficient coolant, only fill up coolant in the mixing
concentration through filling opening [1] on the compensation tank.
If there is a considerable loss of coolant, determine the cause and
rectify.
4.03.13 Changing the coolant
& Only lubricants with this symbol are permitted ("Technical data",
page 162 onwards).
Switch off the diesel engine and remove the ignition key.
Open the sealing cap [1] on the compensation tank.
Remove the drain plug [4] from the radiator and discharge the coolant
in a container provided for this purpose.
Remove the coolant hose [3] and allow the coolant to drain into a
container provided for this purpose.
Screw the drain plug [4] back on and mount the coolant hose [3] on
pipe brackets.
Open the bleed screw [5] on the radiator by two turns (do not remove
it!).