Replacing Pressure Sensor; Replacing High-Pressure Connection Cri; Replacing Pressure Control Valve (Drv) - Bosch CRS 845H Instandsetzungsanleitung

Fig. 28: Removal of pressure limiter
4. Remove the pressure limiter. Support the front rail
with a wrench while doing so (see Fig. 28).
5. Take out the sealing cone.
6. Fit a new sealing cone (replacement part:
1 683 387 112).
7. Before fitting, lubricate the thread and O-ring of the
new pressure limiter with a small quantity of test oil.
8. Screw the new pressure limiter into the assembly
hole and tighten to 70 Nm.
9. Slacken the pressure limiter again by 90°.
10. Tighten the pressure limiter to 90 ±5 Nm.
11. Re-attach the high-pressure rail to the installation
panel and connect (refer to Section 6.4).
6.6 Replacing pressure sensor B9/B10
i
Proceed as described in Section 6.5. When fitting,
always use a new sealing cone and tighten the com-
ponent to the specified torque
(refer to Section 3.1.1).
1. Replace the pressure sensor.
2. Start up and re-calibrate the high-pressure rail
(refer to Section 7).
6.7 Replacing high-pressure connection
CRI 846
i
Proceed as described in Section 6.5. When fitting,
always use a new sealing cone and tighten the com-
ponent to the specified torque
(refer to Section 3.1.1).
Robert Bosch GmbH
Servicing | CRS 845H | 59
6.8 Replacing pressure control valve
(DRV)
1. Remove the high-pressure rail from the installation
panel (refer to Section 6.4) and set down on the
clamping bracket of the EPS 815.
2. Screw in both threaded connections on the under-
side of the high-pressure rail.
3. Guide the threaded connections of the high-pressure
rail into the slot of the clamping bracket and set
down.
Fig. 29: Setting down high-pressure rail
4. Remove the connecting cable (1) at the pressure
control valve (2).
5. Unfasten the pressure control valve and screw out of
the high-pressure rail (3).
6. Take out the sealing cone.
7. Fit a new sealing cone (replacement part:
1 683 387 112).
8. Before fitting, lightly lubricate the thread of the new
pressure control valve.
9. Screw the new pressure control valve with O-ring (4)
into the assembly hole.
10. Tighten the pressure control valve to 70 Nm.
11. Slacken the pressure control valve again by 90°.
12. Tighten the pressure control valve to 90 ±5 Nm.
2
1
4
3
Fig. 30: Installation and connection
13. Re-attach the high-pressure rail to the installation
panel and connect (refer to Section 6.4).
en
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1 689 975 229 2011-09-16