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WARNING – Fragments from the O-ring can remain
in the injector and make their way into the vehicle's
fuel system.
(1)
2. Plug the return adapter
(2)
connection
of the Delphi CRI.
3. Secure the return adapter
down.
4. Connect hose assembly 1 680 712 249 to the return
adapter (1).
5. Connect the other end of hose assembly
1 680 712 249 to hose assembly (test oil return)
1 680 712 382.
6. To remove it, pull up the tab
(1)
out of the test oil return connection (2).
adapter
---
2.6.3
Return adapter 1 683 356 138
The included cover caps can be used to keep the
return adapters dust-free during storage.
---
Return adapter for adaptation to the test oil return con‐
nection on Delphi CRIs.
458935-05_Pal
1
2
6:
Return adapter 1 683 356 138
(1) Return adapter 1 683 356 138
(2) O-ring Ø3.5 x 1.25 mm
---
2.6.3.1 Return adapter 1 683 356 138 assembly and
removal
3
7:
Return adapter 1 683 356 138
(1) Return adapter 1 683 356 138
(2) Test oil return connection
(3) Tab
1. Check the O-ring of the return adapter (1). Replace
the O-ring if it is defective or brittle.
1 689 989 474 | 2021-02-18
into the test oil return
(1)
(3)
by pressing the tab
(3)
and pull the return
1
2
WARNING – Fragments from the O-ring can remain
in the injector and make their way into the vehicle's
fuel system.
(1)
2. Plug the return adapter
(2)
connection
of the Delphi CRI.
3. Secure the return adapter
down.
4. Connect hose assembly 1 680 712 249 to the return
adapter (1).
5. Connect the other end of hose assembly
1 680 712 249 to hose assembly (test oil return)
1 680 712 382.
6. To remove it, pull up the tab
(1)
out of the test oil return connection (2).
adapter
---
2.6.4
Hose assembly 1 680 712 249
Hose assembly for adaptation to the test oil return con‐
nection on Delphi CRIs.
2
1
1 680 712 249
9
2 4
2
1
7
0
6 8
9
2 -
1
8
8
5
4
8:
Hose assembly 1 680 712 249
(1) Screw clamp Ø6–16 mm
(2) Hose assembly 1 680 712 249
2.6.4.1 Hose assembly 1 680 712 249 connection and
removal
9:
Hose assembly 1 680 712 249 connection
1. Connect hose assembly 1 680 712 249 to the test oil
return connection of the Delphi CRI.
2. Tighten the screw clamp.
3. Connect hose assembly (test oil return)
1 680 712 382 to the hose assembly.
4. For removal of the hose assembly, perform the con‐
nection steps in reverse order.
---
2.6.5
Hose assembly 1 680 712 250
Hose assembly for adaptation to the test oil return con‐
nection on Delphi CRIs.
into the test oil return
(1)
(3)
by pressing the tab
(3)
and pull the return
2
1
1
458935-13_Pal
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