Geko 12V 4000 G 41, Operating Instructions Manual

Page: 105 / 124

Cooling System, LT Circuit 47
Charge-air coolant draining
1. Provide an appropriate container to drain the
coolant into.
2. Turn breather valve of filler neck on coolant
expansion tank counterclockwise to first stop
and allow pressure to escape.
3. Continue to turn breather valve counterclockwise
and remove.
4. Draw off precipitated corrosion inhibitor oil from
the expansion tank through filler neck.
5. Open drain cocks and drain plugs and drain
coolant at the following points:
at the LT cooling pump
at the coolant lines to and from the intercooler
6. Draining of residual coolant:
at the intercooler
7. Close all drain valves and install drain plugs with
new sealing rings.
8. Set breather valve onto filler neck and close it.
6.16.3 Charge-air coolant change
Material
Designation / Use Part No. Qty.
Coolant FLS
Drain charge-air coolant system ( Page 6 46) .
Fill charge-air coolant system ( Page 6 45) .
M015403/00E 02-09 © MTU
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