(2) Inspection and adjustment
Adjusting the primary opening pres-
sure
a. Install the plate of plate assembly
(157944 -9520) onto a vise.
Note: Use the plate assembly
(157944-9520) in fixing a
nozzle holder having a
flange. A nozzle holder with-
out flange should be direct-
ly installed onto a vise.
b. With the nut, install the two pins on
the plate.
c. Install the nozzle holder body(1)
onto the plate with the cap nut side
facing downward.
- 110 -
EQM4030I
<Figure 4-24> Installing plate
EQM4031I
<Figure 4-25> Installing nozzle holder
d. Assemble adjusting shim(10),
secondary spring(11), and spring
seat(12) on the nozzle holder
body in the order as described.
(Figure 4-26)
Note: The secondary spring is the
same one as the primary
spring.
EQM4032I
<Figure 4-26> Installing adjusting shim,
secondary spring and spring seat