Section III. MAINTENANCE PROCEDURES
Gloves (Appendix C)
Rags, Wiping (Item 15, Appendix D)
This task covers:
a. Priming Low Pressure Fuel Lines and Fuel Filter
b. Priming High Pressure Fuel Lines
Engine OFF, (Para 2-15)
Master Disconnect Switch OFF, (Para 2-15)
FRS Unloaded, (Para 2-14)
Tools and Special Tools
Wrench, Combination 1/2 in.
(Item 5, Appendix B)
Pan, Drain (Appendix C)
3-4. FUEL SYSTEM PRIMING.
Priming Low Pressure Fuel Lines and Fuel Filter.
Fuel is very flammable and can explode easily. To avoid serious injury or death, keep
fuel away from open fire and keep fire extinguisher within easy reach when working
with fuel. Do not work on fuel system when engine is hot. Fuel can be ignited by hot
Place drain pan under secondary fuel filter (1).
Open drain (2) on secondary fuel filter (1).
Operate hand lever (3) on fuel transfer pump (4) until fuel flowing from the fitting (5) is free of air.
Tighten drain (2) on secondary fuel filter (1).