D1146/D1146TI/DE08TIS
MAINTENANCE MANUAL
119
Printed in Jan. 2001 PS-MMA0415-E1A
5) Reassembly
z After removing carbon deposit, submerge the nozzle in diesel oil and clean it.
z Replace all the seal rings with new ones.
z Assemble the parts and tighten them to specified torque.
6) Adjustment
z After reassembly, install the nozzle
on a tester.
z With the adjusting screw loosened,
operate the nozzle 2 ∼ 3 times to
bleed it.
z Operate the nozzle tester lever at
the specified rate.
z Adjust the injection pressure to the
standard pressure by spring
tension shims.
z After adjusting the injection
pressure, tighten the cap nut to
specified torque.
z 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.
Engine Model D1146 D1146TI DE08TIS
Opening pressure
210 kg/cm
2
214 kg/cm
2
1st : 160 kg/cm
2
2nd : 220 kg/cm
2
Normal
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