4.39 FUEL LINES AND TWO STEP FUEL FILTER ASSEMBLY MAINTENANCE

4.38 FUEL LINES AND PREFILTER ASSEMBLY MAINTENANCE

Figure 4-41 Diesel Engine Fuel Pipes and Fuel Filter Assembly Maintenance

TM-9-6115-668-13 5Kw 28VDC Auxiliary Power Unit (APU) MEP 952B Manual
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TM 9-6115-668-13 4.39 FUEL LINES AND TWO STEP FUEL FILTER ASSEMBLY MAINTENANCE. This task covers: a. Removal b. Service C. Installation INITIAL SETUP Materials/Parts Equipment Conditions Sealing rings Reference Generator Set 150 kW shut down, paragraph 2.5.2 REMOVAL 1. Open flap (1, figure 4-41) CAUTION Place collection container under two step fuel filter assembly. 2. Remove bleed screws (6, 7) and sealing rings from two step fuel filter assembly (8) and drain fuel into container. Discard sealing rings. SERVICE 1. Unscrew handle (4) by turning to the left. 2. Install bleed screws (6, 7) with new sealing ring three turns into fuel filter assembly (8). 3. 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). INSTALLATION 1. Remove collection container under two step fuel filter assembly. 2. Close Flap (1). 4 - 9 2

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