Bosch EPS 807 - Readjusting the Shut-Off Valve; Change Heating Exchanger

1 689 975 140 2013-07-01| Robert Bosch GmbH
Repair works | EPS 807 / 815 | 19
en
6.5 Change Heating exchanger
458741-11_Pal
1
2
3
4
Fig. 31: Heat exchanger with valve
1 Cooling water outlet
2 Cooling water inlet
3 Test oil inlet
4 Test oil outlet
! When connecting the cool water and test oil cables
ensure that they are joint in the counter current.
Should this regulation stayed unnoticed it can cause
decreased cooling result.
Disassembly:
1. Demount cool water hose lines
2. Demount test oil hose lines
3. Screw out heating exchanger with fastening panel
completely
Assembly:
¶ Reciprocal succession in relation to disassembly
6.4 Readjusting the shut-off valve
! When mounting the shut-off valve ensure that the
pressure lines are not mistaken for pressure testers
(Danger of pressure testers destruction. See also
section 2.4).
Aligning the shut-off valve:
1. Release counter nut.
2. Screw in threaded pin to half.
3. Tighten counter nuts.
4. Switch on injection pump test bench.
5. Turn test oil control valve slowly to the left until the
shut-off closing.
6. Observe the lock point.
7. Release counter nuts.
8. If the indicated pressure is over 6 bars screw out
threaded pin. If the indicated pressure is lower than
6 bars screw in threaded pin.
9. Tighten counter nuts.