4
XE ENGINE FUEL SYSTEM
Inspection and adjustment
95
XF series
3-4
Adjusting the injector opening pressure
Note:
The test pump can also be used to test injectors
outside the engine. The bottom of the test pump
can be clamped in a vice without causing
damage to the test pump.
1.
Remove the injector, see chapter “Removal
and installation”.
2.
Disassemble the injector, see chapter
“Disassembly and assembly”.
3.
Adjust the opening pressure by fitting a
thicker or thinner shim (1). For pressure
settings, see main group “Technical data”.
Note:
An increased shim thickness of 0.01 mm
raises the pressure by approx. 1.5 bar.
4.
Assemble the injector, see chapter
“Disassembly and assembly”.
5.
Fit the injector, see chapter “Removal and
installation”.
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