Cooling system
OPM 250 en-GB 53
© Scania CV AB 2022, Sweden
Cleaning the charge air cooler
The charge air cooler must be removed if there is
no space behind it to take out the cooler core. See
previous section.
1. Remove the screws on the charge air cooler
covers (1) and remove the covers. Mark the
covers so that you can put them back on the
correct side.
2. Press in the cooler core (3) slightly on one
side and pull it out from the other side.
3. Clean the cooler core on the outside with a
slightly acidic detergent, e.g. 2 479 017. Re-
move any internal deposits using a round
rod. Renew the cooler core if it is damaged.
Do not use caustic soda as this could damage the
aluminium.
4. Renew the O-rings (2) and assemble the
charge air cooler.
5. Tighten the M8 screws on the covers to 15
Nm (11 lb-ft).
2
5
2
4
2
3
2
1
1
362 798
1. Cover.
2. O-rings.
3. Cooler core.
4. Charge air cooler housing.
5. Spacer.
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