4.10 Fuel treatment system – Initial start-up
Overview of fuel treatment system
1 Pressure-free overflow
2 Bypass 1
3 Bypass 2
4 Safety valve, 3 bar
5 Ball valve, inlet
6 Pressure gage
7 Ventilation, sample extrac-
tion
8 Differential pressure gage
9 Ball valve, outlet
10 Check valve 700 mbar
11 Check valve 5 mbar
12 Return to overflow tank
13 Engine
14 Overflow tank
15 Filter water separator
16 Drain ball valve
17 Automatic water drain
18 Water level electrode
19 Ball valve, sample extrac-
tion, inlet
20 Switchgear cabinet
21 Pump
22 Coarse filter
23 Fuel supply from tank
24 Tank
Switching on fuel treatment system
1.
Switch on fuel treatment system (→ Page 100).
2.
Check differential pressure at differential pressure gage (8). Differential pressure in a new system: 0.1 bar to
0.3 bar.
Result:
If no differential pressure is measured, the coalescer filter element is probably being bypassed.
1. Remove coalescer filter element (→ Page 230).
2. Check sealing surfaces on coalescer filter element and in the pressure tank.
MS150047/05E 2018-08
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TIM-ID: 0000015773 - 007
Summary of Contents for 12V4000M93 series
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