Charge Air Cooler
Maintenance / Disassembly and reassembly
A5.05. 06.04.02.02
M20
en / 13.10.1997 IB004328 1/2
06
Ĺ
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
pressure upstream/downstream cooler exceeds 1.5 times the test bed value (see accep-
tance 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
discharge 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).
5
3
3
4
2
1
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