Charge Air Cooler
Maintenance / Disassembly and reassembly
A5.05. 06.04.02.02
M20
en / 31.05.2010 IB004328 1/2
06
See also:
Spare parts list: B1.05.06.2.7240
Time requirement: 2 Pers./ 1,00 h
Personnel qualification: skilled engine hand
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Operating medium: Heavy fuel and distillate fuel
Maintenance:
The charge air cooler is to be disassembled and cleaned on the air side, if the differential pressu-
re upstream/downstream cooler exceeds 1.5 times the test bed value (see acceptance test record
A1.10).
Tools:
Torque wrench 40 - 180 Nm 1/2
"
W1 * 1.9454-40
* no illustration
Auxiliary material:
Cleaning agent acc. to recommendation of manufacturer, e.g.:
•
Fa. Vecom GmbH, Hamburg *
•
Fa. Drew Ameroid GmbH, Hamburg *
•
Fa. UNITOR chemicals *
Molykote-paste „G-Rapid Plus“ *
* or a product of equal standard
Sequence of operations:
1. Disassembly
1.1 Disconnect cooling water supply and di-
scharge lines (5) on the charge air cooler
1.2 Loosen hexagon screws (1,2 and 3).
1.3 Pull charge air cooler forward out of the
casing (4), support it with hoist and place it
in adequate container for cleaning.
1.4 Clean charge air cooler acc. to the
manufacturer’s instructions (see book 10).
WARNING
Strictly observe the supplier’s handling instructions for the used cleaning agent!
Protect your skin against contact with the cleaning agent, wear rubber gloves, safety
glasses and evtl. respiratory mask! Ensure good ventilation!