4.39 FUEL LINES AND TWO STEP FUEL FILTER ASSEMBLY MAINTENANCE.
This task covers:
Generator Set 150 kW shut
down, paragraph 2.5.2
Open flap (1, figure 4-41)
Place collection container under two step fuel filter assembly.
Remove bleed screws (6, 7) and sealing rings from two step fuel filter assembly (8) and drain fuel
into container. Discard sealing rings.
Unscrew handle (4) by turning to the left.
Install bleed screws (6, 7) with new sealing ring three turns into fuel filter assembly (8).
Pull and push handle (4) of priming pump (5) until fuel emerging from hole in screw threads of bleed
screws (6, 7) contains no bubbles and tighten bleed screws (6, 7).
Remove collection container under two step fuel filter assembly.
2. Close Flap (1).
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