6) Adjustment
After reassembly, install the nozzle on a tester.
With the adjusting screw loosened, operate the nozzle
2 ~ 3 times to bleed it.
Operate the nozzle tester lever at the specified rate.
Adjust the injection pressure to the standard pressure
by spring tension shims.
After adjusting the injection pressure, tighten the cap
nut to specified torque.
Re-check the injection pressure and see if the spray
pattern is normal. Spray pattern should be uniform and
free of spattering.
7) Testing
With the nozzle assembled to a nozzle tester and
specified pressure applied, check the nozzle for fuel
leakage.
5ton Diesel Engine SPC000006
Page 107
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