Fav 900
Engine / Injection valves
Checking injection nozzles
E
Testing
Fav 900 chassis number 23/3001and up
05.02.2001
2712 000001
E
a
2/3
Capitel Docu-No.
Index
Date Version
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Checking injection nozzles
Nozzles meeting these three requirements may be used again.
PM-Picturemodule
PM-Picturemodule
PM-Picturemodule
PMTAB_Picture
Dismantling injection nozzle
With the inlet opening facing downwards, fit
nozzle holder and nozzle assembly into the
holding device and clamp unit into the vise.
Unsrew threaded union, remove nozzle body,
intermediate washer, pressure screw,
compression spring and adjusting washer.
Remove the pressure pipe from the vise.
PMTAB_Picture
Overhauling injection nozzles
using a small piece of wood and petroleum or
diesel fuel, clean interior of nozzle (1).
With a clean rag remove dirt from needle valve (2).
Coked up needle sections can be placed on a
lathe and cleaned with a soft wooden stick dipped
in oil.
Note:
To prevent corrosion, do not touch rectified
surfaces of the needle valve.
Needles and nozzles are paired and must not
be interchanged.
Check clean components for wear and damage ;
replace if necessary. Degrease all new parts.
PMTAB_Picture
Reassembling injection nozzle
Remove pressure pipe connector from the vise
and refit compression spring and adjusting
washer.
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