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Adjusting secondary opening pressure
a. In the event that the measured value
deviates from the specified limit, readjust
the primary opening pressure if the
amount of deviation is small. (to the stan-
dard range of the primary opening pres-
sure)
- If the secondary opening pressure is
lower than the standard value: Adjust the
primary opening pressure up to the top
limit of the standard vague, and then
measure the secondary opening pres-
sure.
- If the secondary opening pressure is
higher than the standard value: In a
reverse manner, readjust the primary
opening pressure down to the bottom
limit of the standard value.
b. If the secondary opening pressure still
deviates from the specified limit in spite
of the readjusting the primary opening
pressure, take off the nozzle fixing por-
tion from the nozzle holder and remove
the adjusting shim (10).
c. If the secondary opening pressure is
higher than the standard value, fit a thin-
ner adjusting shim than the existing one.
d. After replacing the existing adjusting
shim, measure the secondary opening pressure and continue the adjustment until a value
satisfying the standard value.
Adjusting shim for secondary opening pressure
(Out diameter = 9.5 , Inner diameter = 4.5)
- 151 -
Part No. Thickness(mm) Part No. Thickness(mm)
1505380-4900 0.40 1505380-5300 0.56
1505380-5000 0.50 1505380-5400 0.58
1505380-5100 0.52 1505380-5500 0.60
1505380-5200 0.54 1505380-5600 0.70
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