Iveco Daily. Manual — part 348
- Drain the air-conditioning system, following the
procedure described under the relevant heading.
- Unscrew the fixing screws (3) and (5) and remove the
inlet (2) and outlet (1) pipes from the compressor.
- Slacken the drive belt, following the instructions given
under the relevant heading.
- Disconnect the electrical connection (4), unscrew the
fixing screws (6) and remove the compressor (7) from
the vehicle.
- Remove the evaporator unit, following the procedure
described above.
- Remove the seals (1) and (4) from the evaporator (2)
from the pipe (3), if they are damaged replace them when
refitting.
- Unscrew the fixing screws (10) and remove the expansion
valve (7), O-rings (5), (6), (8), (9) and the pipe (3).
52305
Figure 39
Refitting
For refitting, carry out the procedure described for
removal in reverse order, taking care to replace the
radiator and evaporator gaskets if they are damaged.
Check the state of wear of the seals. They need to
be replaced if they are damaged or worn.
Compressor Removal - Refitting
Removal
Figure 40
Refitting
For refitting, carry out the procedure described for
removal in reverse order. Check the state of wear of
the seals. They need to be replaced if they are
damaged or worn.
52306
553239
COMPRESSOR
Removal - Refitting
Removal
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553233
EXPANSION VALVE AND EVAPORATOR PIPE
Specifications and data
COMPRESSOR
Type
SCO 8 C
Displacement
cm
3
80
Stroke
mm
33
Rev. No.:
Max
RPM
7800
Refrigerant
R 134 a
(ecological)
Oil type
ND - OIL 8
Refrigerant amount
kg
0.72
Oil amount
80
± 20 cm
3
Airtightness test
3.14 MPa
Pressure test
High
530 MPa
Low
250 MPa
ELECTROMAGNETIC FRICTION
Torque
min
26 Nm
Voltage rating
V
12
Absorbed pressure
W
max 35
Weight
kg
1.5
Belt
4k-type
Pulley actual diameter
mm
105
- Partially carry out the procedure for removing the engine
until you can access the condenser, which is located in
front of the radiator.
- Drain the air-conditioning system, following the
procedure described above.
- Unscrew the screw (2) and remove the pipe (1),
unscrew the screw (6) and remove the pipe (5).
- Unscrew the fixing screws (3) and remove the
condenser (4).
553232
CONDENSER
Removal - Refitting
- Disconnect the electrical connection (1) of the
three-level pressure switch (3).
- Unscrew the fixing screw (2) and remove the pipe (4),
unscrew the fixing screw (5) and remove the pipe (6).
- Unscrew the screw (7) and loosen the bracket (8).
- Take the drier filter (9) out of its seat.
Refitting
For refitting, carry out the procedure described for
removal in reverse order, checking the soundness and
correct position of the seals on the pipes. They need
to be replaced if they are damaged or worn.
Refitting
For refitting, carry out the procedure described for
removal in reverse order.
- From inside the engine bay, lift up the protective cover
(1) and remove the pollen filter (2).
Removal - Refitting
Removal
52307
52308
Figure 41
Figure 42
553235
THREE-LEVEL PRESSURE
SWITCH AND DRIER FILTER
Removal - Refitting
Removal
- Drain the air-conditioning system, following the pro-
cedure described above.
Removal
Figure 43
52309
Refitting
For refitting, carry out the procedure described for
removal in reverse order, checking the soundness
and correct position of the seals on the pipes. They
need to be replaced if they are damaged or worn.
CAB AIR-CONDITIONING
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553261
POLLEN FILTER
Diagnosis by error codes
To find the failing component proceed as follows:
- set temperature setting knob to ”HI”;
- set fan speed control knob to ”0”;
- set air distribution knob to ”MAX DEF”.
FAILURES OF THE ELECTRIC TYPE (Marelli air-conditioner)
Self-diagnosis
Suitable control logics enable the control unit to memorise and to display certain system failures (constant and/or intermittent).
In response to these failures, the control unit controls system operation by replacing the detected anomalous values with proper
recovery values which guarantee minimum system operation.
When failure is detected, the control unit displays the message ”Error Cli” on the instrument panel.
- To have a preliminary information, it is possible to display any detected failure on the instrument panel by following a special
procedure.
- For a more complete and in-depth diagnosis it is however indispensable to use the service network testers, i.e.: MODUS
(release 2.1) and IWT (Release 1.4).
Figure 44
1 Required temperature setting knob - 2 Fan speed control knob - 3 Air distribution knob - 4 ”ECON” switch -
5 Air recycling switch
Fan electric module control is not provided in self-diagnosis, it can therefore be detected with the available release
only.
75450
NOTE
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DIAGNOSTIC
Figure 45
- Set key switch to service position (+15)
000277t
- Operate within 10 seconds, the fan speed control knob with the following sequence: ”0”
⇒ ”AUTO” ⇒ ”0” ⇒ ”AUTO”
⇒ ”0”.
Figure 46
000278t
- Error code is now displayed on instrument panel.
Other errors, if any, are displayed every 3 seconds.
Figure 47
000279t
CAB AIR-CONDITIONING
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