1 689 989 185 2018-03-24| Robert Bosch GmbH
Operation | EPS 205 | 57 en
5.3 Cleaning instructions for CRI/CRIN,
CRI Piezo and DHK/UI
!
Do not clean the nozzle cone with a brass brush,
steel brush or the like as this would damage the
injection orifices. Do not clean injection orifices
with the nozzle cleaning tool 0 986 611 140. Do not
clean the electrical connection of the injector with
cold cleaning agent.
1. Seal the inlet connection, return connection and
nozzle cone of the injector/nozzle holder with
protective caps or cover over.
2. Use a plastic brush to remove any coarse dirt on the
injector/nozzle holder.
3. Pre-clean the injector/nozzle holder with cold
cleaning agent.
! Use the cleaning agent Tickopur TR 13 or a
comparable corrosion and coke-dissolving cleaning
agent for ultrasonic cleaning.
4. Remove the protective cap from the nozzle cone.
5. Attach the injector/nozzle holder to a suitable
holding device and immerse it in the ultrasonic bath
until the nozzle retaining nut is completely covered
by the cleaning agent.
6. Set a cleaning temperature of 60°C to 70°C.
7. After approx. 15 minutes, take the injector/nozzle
holder out of the ultrasonic bath and blow dry with
compressed air.
i After cleaning, always store injectors/nozzle holders
in a clean, closed container to prevent the injectors/
nozzle holders coming into contact with dirt
particles (e.g. fluff, swarf).
i Also heed the additional cleaning information in the
ESI[tronic] 2.0 component repair instructions.
5.4 Operation
WARNING – Risk of injury
If the hydraulic connection for the test
equipment and components has not been
made properly, test oil may escape under
high pressure or parts of the test equipment
may rupture during testing.
This can cause injury or material damage.
¶ Prior to switch-on, check that all hoses
have been properly connected to the
EPS205 and the component.
¶ Replace any leaking and defective hoses.
WARNING – Risk of hand injuries
Uncontrolled closing of the guard could lead
to crushing or injury of the fingers.
¶ Always close the guard by way of the
handle.
WARNING – Risk of burns from hot surfaces
Contact with hot components and the hot
test equipment (e.g. injection chamber) may
cause severe burns.
¶
Allow the components and test equipment
to cool down.
¶ Wear protective gloves.
5.4.1 Symbols and connection table for CRI/CRIN,
CRI Piezo and DHK/UI tests
Compo-
nent
Return
quantity
flushing
connection
Return
quantity
test
connection
Injected
fuel
quantity
test
connection
Connecting
cable X20
CRI/CRIN
CRI
Piezo
Not
required
Yes
DHK/UI
Not
required
Not
required
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