Bosch CRI 848H - Connecting Return Adapter; Connecting Hose Lines for Quantity Measurement

1 689 989 087 2018-07-24| Robert Bosch GmbH
76 | CRI/CRIN 848H | Preparing for testingen
6. Seal unused high-pressure outlets with sealing cone
(Fig. 47, item2) and union nuts (Fig. 47, item 1).
Tightening torque : 25 – 30 Nm
458847-25_Pal
1
25 - 30 Nm
2
Fig. 47: Plug for high-pressure outlet
5.2.4 Connecting return adapter
¶ Insert return adapter (Fig. 48, item 2) into injector
return and secure in place using retaining ring
(Fig. 48, item1).
458847-23_Pal
2
1
Fig. 48: Injector with return adapter
5.2.5 Connecting hose line for return quantity and
injection quantity
! Pay attention to correct assignment of the measure-
ment channels when connecting the return quantity
and injected quantity hoses. A false assignment can
lead to wrong measurements and thus faulty assess-
ment of the injectors.
i The following connection diagram for the EPS 708
(Fig.49) or the EPS 815 (Fig.50) is based on injec-
tor "A" by way of example. The connection of addi-
tional injectors (B, C, D, E and F) is identical.
¶ Connect the injector to the EPS 708 or EPS 815.
1
458847-19_Pal
1
1
2
4
5
6
3
A
B
1 2
A
A
Fig. 49: Connection diagram for passenger vehicle injectors on
EPS 708 (without high-pressure connection)
1 Hose line for injection quantity
2 Injection chamber
3 Injector
4 Hose line for return quantity
1)
5 EPS 708 injected quantity connection CRI/CRI piezo
6 EPS 708 return quantity connection CRI/CRI piezo
1)
Included in scope of delivery of EPS 708.