99
INJECTION
CHECKING THE AIR SUPPLY CIRCUIT
Tool.
[1] Manual pressure-vacuum pump : FACOM DA 16
Checks.
IMPERATIVE: Respect the safety and cleanliness specific to high pressure
diesel injection engines.
Checking the vacuum source (vacuum pump).
Connect the tool [1] on the take-off "a" of the vacuum pump (1).
Start the engine.
The value should be 0,85 ± 0,2 bar.
"Swirl" control electrovalve.
Connect the tool [1] on the vacuum supply "b" of the electrovalve (2).
Start the engine.
The value should be 0,85 ± 0,2 bar.
"Swirl" control diaphragm.
Connect the tool [1] on the "Swirl" control diaphragms (3) at "c".
Apply a vacuum of approx. 0,7 ± 0,2 bar, the "Swirl" butterfly should be fully
open.
Engine: DT17BTED4
B1HP26EC
B1HP26DC
B1HP26FC
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