Valeo Thermo E+ 120, Workshop Manual, Page: 54 / 65

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Thermo E+ 120/200/320 8 Repairs
Installation
1. Put new gasket ring (19, Fig. 805 ) onto the sleeve with
hexagon (16) and screw sleeve with hexagon into the
nozzle and tighten.
2. Put the solenoid valve coil (15) onto the sleeve and
secure using washer (17) and screw (18). Tighten
screw.
3. Plug the connector of the solenoid valve (14, Fig. 805 )
into the control device.
4. Fix the cables of the solenoid valve using the cable
clamp.
5. Install burner (see 8.2 ).
8.10 Fuel nozzle removal and installation
Removal
1. Remove electronic ignition unit (see 8.8 ).
NOTE:
We recommend to use nozzle wrench item no.
66971_ for nozzle disassembly and assembly.
2. Screw off fuel nozzle (1, Fig. 805 ).
If no nozzle wrench is used, excert counter pressure
at the key face of the nozzle block of the fuel pump (9)
using a suitable tool.
Installation
1. Screw in fuel nozzle (1, Fig. 805 ) and tighten it.
If no nozzle wrench is used, excert counter pressure
at the key face of the nozzle block of the fuel pump (9)
using a suitable tool.
2. Install electronic ignition unit (see 8.8 ).
8.11 Nozzle block preheating removal and
installation (optional)
Removal
1. Remove disc with dust protection tube (see 8.7 ).
2. Unplug the connector of the nozzle block preheating
(6, Fig. 805 ) from control device (10, Fig. 805 ) .
3. Remove retaining clip (20, Fig. 805 ).
4. Withdraw heating element of the nozzle block prehea-
ting (6, Fig. 805 ) from out the nozzle block and remove
from heater.
Installation
1. Place the heating element of the nozzle block prehea-
ting (6, Fig. 805 ) into the nozzle block and secure with
retaining clip (20).
ATTENTION:
There are 2 versions of the nozzle block
preheater heating element (see 3.1.6 ).
2. Plug the connector of the nozzle block preheating (6)
into the control device (10, Fig. 805 ).
3. Install disc with dust protection tube (see 8.7 ).
8.12 Fuel pump removal and installation
NOTE:
Make sure that any fuel leaking is immediately collected,
bound and professionally disposed of.
Removal
1. Remove the burner motor (see 8.5 ).
2. Unplug all internal connectors (nozzle block prehea-
ting if installed, electronic ignition unit, solenoid valve)
from control device (10,
Fig. 804 ).
3. Remove control device (10).
4. Remove screw (8,
Fig. 805 ) of the electronic ignition
unit (7) and remove electronic ignition unit.
5. Remove coupling part (8, Fig. 804 ) off the shaft of the
fuel pump (9).
6. Remove fixation screw (13, Fig. 805 ) of adjustment
ring (12) and remove adjustment ring from fuel pump
(9).
7. Screw fuel nozzle (1) off (refer to notes in 8.10 ).
8. If required remove retaining clip (20) of the nozzle
block preheating (6) and remove nozzle block prehea-
ting from fuel pump.
9. If required remove the solenoid valve (14) from the
fuel pump (see 8.9 ).
ATTENTION:
The disassembly of the fuel pump is not permitted
and will result in the loss of any warranty claims.
Installation
1. Install solenoid valve (14, Fig. 805 ) onto the fuel pump
(9) as necessary (see 8.9 ).
2. Install heating element of the nozzle block preheating
(6) into the fuel pump and secure with retaining clip
(20) as necessary.
ATTENTION:
There are 2 versions of the nozzle block
preheater heating element (see 3.1.6 ).
3. Screw fuel nozzle (1) in (consider notes in 8.10 ).
4. Place adjustment ring (12) into the fuel pump and
secure with fixation screw (13).
5. Slide the coupling part (8, Fig. 804 ) onto the shaft of
the fuel pump (9).
6. Position electronic ignition unit (7, Fig. 805 ) in installa-
tion position and secure still rotatable using the screw
(8).