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Cleaning with a compressed-air pistol
1.
Blow out cooler elements with a jet of compressed air working against the direction of the cooling air parallel
to the cooling fins.
2.
Remove and dispose of dirt before putting engine into operation.
3.
Use industrial high-pressure cleaner to clean fuel cooler in case of stubborn contamination.
Cleaning with industrial high-pressure cleaner
Note:
• To avoid damage to cooling elements, only aim water jet parallel to the cooling fins applying moderate
pressure.
• To improve the cleaning effect, add a suitable degreasing agent to the water (in accordance with the rec-
ommendations of the high-pressure cleaner manufacturer). The degreasing agent must be approved for
light metal containing coolers.
1.
Use high-pressure cleaner to clean cooling elements working against the direction of the cooling air.
2.
Thoroughly dry cooler and surrounding areas before putting engine into operation.
260 | Fuel System | MS15038/01E 2018-11
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