4.38 FUEL LINES AND PREFILTER ASSEMBLY MAINTENANCE.
This task covers:
Generator Set 150 kW shut
down, paragraph 2.5.2
1. Open flap (1, figure 4-41).
Place collection container under prefilter assembly.
Remove bleed screw (3) and sealing rings from prefilter assembly (2) and drain fuel into container.
Discard sealing rings.
Unscrew handle (4) by turning to the left.
Install bleed screw (3) with new sealing ring three turns into prefilter assembly (2).
Pull and push handle (4) of priming pump (5) until fuel emerging from hole in screw threads of bleed
screw (3) contains no bubbles and tighten bleed screw (3).
Remove collection container under prefilter assembly.
2. Close Flap (1).
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