Workshop Manual

TCD 2015
Fuel system
W 07-07-05
© 06/2006 8221-001
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6
Connecting the fuel injector to the nozzle
tester
z Insert fuel injector in holder.
z Loosen nozzle cap nut approx. 180° with socket
wrench insert (release pressure) and re-tighten.
A07 002
© 36271-2
z Connect the fuel injector to the nozzle tester
© 35889-2
Checking opening pressure
z Press down the lever of the nozzle tester slowly with
the pressure gauge connected.
z Read off measured value.
The pressure at which the pointer stands
still or suddenly drops is the opening pres-
sure.
Repeat test 3 times.
© 36293-2