TM 9-4940-549-14&P
Testing and Adjustment.
j.
Install repaired nozzle holder on a standard static fuel nozzle
(1)
testing fixture.
Tighten adjusting screw all the way down.
(2)
Apply fuel at 2500-2950 psig and slowly loosen adjusting screw
(3)
until nozzle begins to open.
Tighten locknut while holding adjusting screw with screw-
(4)
driver.
Nozzle holder assembly shall close.
Lower fuel pressure.
(5)
Slowly increase fuel pressure. Nozzle holder shall open at
(6)
2500-2950 psig.
Observe fuel spray. Fuel spray shall be even and smooth.
(7)
Spray cone shall be same thickness at a distance of 5-inches.
There shall be no signs of leakage.
Remove fuel pressure and remove nozzle holder from testing
(8)
fixture.
Install washer arid cap.
(9)
Installation. Install nozzle holders and lines in reverse order of
k.
removal. Sealing washers must be replaced at each removal.
QUICK START SYSTEM.
Remove the quick start system as shown in figure 8-16.
Removal.
a.
b.
Cleaning and Inspection.
(1) Clean components with an approved solvent and dry thoroughly.
(2) Inspect parts for cracks, corrosion, signs of leaking or other
defects.
(3) Inspect line for finching, cracks, corrosion, or other damage.
Install the quick start system as shown in figure 8-16.
c.
Installation.
