60 5.3 Commercial Vehicle Injectors With External - Bosch CRI/CRIN 848H Manual Original

en 78 | CRI/CRIN 848H | Preparing for testing
2. Connect multiple connector (Fig. 53, item 2) of
adapter cable with X5 connection to control elec-
tronics.
3. Join ground lead (Fig. 53, item 1) to ground plug
socket on control electronics.
2 1
Fig. 53: Adapter cable connection
i
The assignment must be observed when connecting
the plug connector to the injectors. Each plug con-
nector is identified by means of a nameplate.
4. Connect adapter cable to injectors (Fig. 54).
Fig. 54: Electrical connector
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5.3
!
Never clamp injectors for testing if damaged or
severely corroded.
i
Injectors must always be cleaned before clamping
for testing (refer to Section 5.1).
i
No more than four commercial vehicle injectors can
be clamped for each test. The maximum possible
number of injectors can be found in the system soft-
ware EPS 945 in the "Component selection" window
under "General values".
5.3.1
1. Check the injector nozzle retaining nut shape:
A)
Fig. 55:
A) Flat
B) Conical
458806-22
Commercial vehicle injectors with
external connections
ATTENTION - Risk of burns from hot sur-
faces!
Hand burns may result from contact with
the hot surfaces of the test pressure line,
distributor rail or injection chamber.
¶
Allow the test pressure lines, distributor
rail and injection chamber to cool down.
¶
Wear protective gloves.
Preparing the injection chamber
B)
Nozzle retaining nut shape
Robert Bosch GmbH