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Page Title:
FIGURE 151. TESTING FUEL INJECTOR NOZZLE AND HOLDER ASSEMBLY. |
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 (2) Figure 149. (A) Remove fuel injector
c. Installation of Nozzle and Holder Assem-
nozzle and holder assembly. (B) Re-
bly-in Nozzle Tester.
move and discard fuel injector nozzle-
to-head gasket.
(1) Before testing nozzle and holder as-
sembly, clean the external area to re-
move carbon and dirt. Do not allow
dirt to enter the fuel inlet opening.
Install the nozzle and holder assembly
in the nozzle tester as follows.
FUEL INJECTOR NOZZLE AND
HOLDER ASSEMBLY.
(3) Figure 150. (A) Remove 1/4 tube x 1/8
pipe tee from nozzle and holder assem-
bly and seal opening in nozzle. (B) Re-
move hold-down clamp. Note the dowel
pin hole in clamp and locating dowel
pin in holder. The hold-down clamp
must be installed with dowel pin enter-
ing hole to properly position the nozzle
NOZZLE AND HOLDER ASSEMBLY.
and holder assembly in the cylinder
head.
(2) Figure 151. (A) Mount the injector
nozzle and holder assembly on the
nozzle tester using the connector tube -
10882963. (B) Fill nozzle tester con-
tainer with sufficient fuel. (C) Close
the pressure gage valve and actuate the
pump handle approximately 25 strokes
to clear all air from the nozzle and
holder assembly. (D) Open the pressure
gage valve and depress the pump handle
slowly to raise the pressure. Note pres-
sure on gage at which nozzle opens.
Warning: The penetrating power of
atomized fuel under pressure is suf-
ficient to puncture the skin and may
FUEL INJECTOR NOZZLE AND HOLDER
cause blood poisoning. Keep hands away
TUBE TEE AND HOLD-DOWN CLAMP.
from nozzle during test.
103
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