8.8.2 Fuel prefilter – Differential pressure check and adjustment of gauge
DANGER
Rotating and moving engine parts.
Risk of crushing, danger of parts of the body being caught or pulled in!
• Only run the engine at low power. Keep away from the engine's danger zone.
WARNING
High level of engine noise when the engine is running.
Risk of damage to hearing!
• Wear ear protectors.
Setting adjustable pointer of dif-
ferential pressure gauge
1.
After installation of a new filter element, align
adjustable pointer (2) with pressure-indicat-
ing pointer (3) of pressure gauge (1).
2.
Verify that differential pressure is within the
limit.
Fuel prefilter – checking differential pressure
1.
With the engine running at full load or rated power, read off pressure at gauge (1).
2.
If differential pressure as indicated between position of adjustable pointer (2) and pressure-indicating point-
er (3) of pressure gauge is ≥ 0.3 bar, flush filter element of the cut-in filter (→ Page 89).
86 | Fuel Filter | MS150063/03E 2016-02
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