Specifications

78
55 Take out heat exchanger
• Stop the engine, close the sea cock
and drain the system.
• Loosen the hose clamps for the raw
water (IN and OUT) and take the hoses
(2) off the hose connection points.
• Drain the coolant system and remove
the hoses from the expansion tank.
• Removetheexpansiontank(1).
• Loosen the bolts (3) and remove the
covers at the top and bottom of the
after cooler. Be careful with the red sili-
cone gaskets
• Taketheheatexchangeroutoftheafter
cooler housing. Prevent damage from
occurring to the fins and the O-ring.
Cleaning the after cooler
4 Maintenance
1
2
2
1
VD01202
VD00703
If the performance of the engine decreas-
es this can be caused by a dirty heat
exchanger in the after cooler.
The heat exchanger must then be
cleaned.
Caution
The heat exchanger element in the after
cooler is very vulnerable!