Bosch EPS 205 Manual Original página 17

5.6.8 Injection chamber, clamping ring, O-ring
WARNING – Risk of burns
The hot surfaces at the injection chamber
can cause severe hand burns.
¶
Put on protective gloves before removing
the injection chamber.
During testing, the DHK/UI, CRI/CRIN or CRI Piezo
squirts the test oil into the injection chamber. The test
oil flows back out of the injection chamber via the hose
1 680 712 362 to the DHK/UI flushing connection/test
connection or to the injected fuel quantity test connec-
tion (CRI/CRIN), see Fig. 4.
3
2
Abb. 6: Injection chamber
1 Quick-release coupling for flushing connection/test connection
2 Injection chamber
3 Knurled nut (for injectors with 7 mm or 9 mm nozzle diameter)
Replacing injection chamber O-rings
!
The O-rings are to be checked for damage at regular
intervals. Never use any squashed or frayed O-rings.
Depending on the diameter of the nozzle (7 mm /
9 mm) of the CRI/CRIN, CRI Piezo or DHK/UI, it may
be necessary to fit an O-ring insert with O-rings and
knurled nut in the correct position in the injection
chamber.
Robert Bosch GmbH
1
Abb. 7:
1 Knurled nut 7 mm (D7) or 9 mm (D9)
2 O-ring 7 x 4 for O-ring insert 7 mm or
3 O-ring insert (7 mm for knurled nut D7 or
4 O-ring 12 x 2
5 Injection chamber
1. Remove the knurled nut (Fig. 7, item 1) by turning it
2. Take the O-ring insert (Fig. 7, item 3) out of the
3. Remove the O-rings from the O-ring insert.
4. Check the O-rings (Fig. 7, item 2, 4) and replace if
5. Insert the correct O-rings.
6. Place the correct O-ring insert (7 mm or 9 mm) in
7. Loosely screw on the knurled nut (7 mm or 9 mm)
Product description | EPS 205 | 17
Replacing O-rings
O-ring 9 x 3 for O-ring insert 9 mm
9 mm for knurled nut D9)
counter-clockwise.
injection chamber.
damaged.
the correct position in the injection chamber.
by hand in clockwise direction.
en
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1 689 989 186 2017-10-27