4-40. FUEL INJECTOR NOZZLE AND HOLDER ASSEMBLIES.
T h i s task is shown for one fuel injector nozzle
a n d holder assembly. T h i s task should be done
f o r all fuel injector nozzle and holder assemblies.
T e s t s and Checks.
The high fuel pressure used during these tests and
c h e c k s can puncture the skin and cause blood
poisoning and possible death. Keep hands away
f r o m nozzle.
( 1 ) N o z z l e opening pressure test.
C a r b o n removing solvent is flammable. Do not use near
an open flame. K e e p a fire extinguisher nearby when
s o l v e n t is used. U s e only in well-ventilated places.
Failure to do this may result in injury to personnel and
d a m a g e to equipment.
Make sure no dirt gets in nozzle and holder assembly (1).
D i r t can damage equipment.
U s i n g carbon removing solvent, clean nozzle area (2).
S c r e w connector tube (3) into nozzle and holder assembly (1).
F i l l reservoir (4) with fuel. C l o s e pressure valve gate (5). Pump handle (6)
about 25 times or until air is cleared from nozzle an-d holder assembly (1).
GO TO FRAME 2