FUEL INJECTORS - CONTINUED
TESTING - CONTINUED
d. If fuel runs from leak-off port (5)
when spraying, repair or replace as
e. Using clean rag, wipe tip (4) dry.
f. Build pump pressure to 500 psi
(3447.5 kPa) less than pressure found
in step b, and hold for 10 seconds.
g. A slight wetness is permitted on
If droplets form, repair or replace
h. Disconnect nozzle test pump.
The injector is damaged easily. Do not clamp directly in vise.2-249
Parts of the injector are machined and polished, do not scratch with tools, and always
work on a clean, smooth wooden surface.