Operation Manual

Job Card No.:
Engine:
Filing No.:
Injector (Cooled)
Inspection / Testing
0178-19-10 1929
Inspection / Testing
As test fuel, use only clean diesel fuel.
Job:
Keep your hands from the fuel jet! When it
penetrates the skin tissue, blood poisening
may be the result
● Clean exterior of injector removed.
● Install injector in testing device, clamp down by
wing screws, and connect injection line to injec-
tor.
● Operate hand lever vigorously several times.
Checking the Injection Spray Pressure
For setting the pressure observe pressure
gauge.
Force down hand lever slowly until the nozzle opens.
Test pressure: 350
+1
bars
● If the pressure reading at this moment deviates
from the specified pressure, correct pressure.
See also "Correcting the Injection Spray Pressure"
© 0199
07.08.01 Page 1 of 2
S/BVM 628
Job Cards:
- 01.05.04
- 07.07.01
- 07.09.01
Tools:
- Standard tools
- Injector testing device (Section 1.8)
Apart from the intervals specified in the Maintenance
Schedule, injectors must be inspected and tested
whenever they fail to work properly.
Changes in normal exhaust colour and exhaust gas
temperatures indicate that injectors are not in good
working order, which may to be due to blocked
nozzle holes, binding nozzle needle or leaky needle
seat.
Following removal (or overhaul) of injectors, check
these for correct spray pressure, tightness, and
spray pattern.
Aids:
- Blotting paper
- Lubricating compound Deutz F5
(Section 3.6)
Detergents:
see also Fig. 2
- O-seals
- Gasket
Fig. 1 Injector testing device
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