Iveco EuroCargo (12 to 26 t). Manual — part 172
Main brake system operating anomalies:
1
-
Scarce or irregular system recharge;
2
-
Scarce or irregular rear axle service braking;
3
-
Scarce or irregular front axle service braking;
4
-
Scarce or irregular trailer service braking;
5
-
Scarce or lacking parking braking;
6
-
Scarce or lacking trailer parking braking;
7
-
Delayed parking unbraking;
8
-
Delayed trailer parking unbraking;
9
-
When braking the vehicle side-skids;
10 -
Insufficient trailer slowing-down braking;
11 -
Early braking gaskets wear;
12 -
Turned-on brake system failure luminous signaller;
13 -
Turned-on parking brake luminous signaller with
hand lever in running position;
14 -
Noisy brakes.
SCARCE OR IRREGULAR SYSTEM
RECHARGE
Inefficient air compressor operation.
Revise or replace the air compressor.
Pneumatic system pipings leakages or breakages.
Close or replace loosened or damaged fittings.
Replace broken or damaged pipings.
YES
NO
YES
NO
YES
Inefficient A.P.U operation.
Revise or replace the A.P.U.
!
The complete diagnosis of electric and electronic components must be carried out through modus and IWT.
(continues)
1
SCARCE OR IRREGULAR REAR AXLE
SERVICE BRAKING
2
YES
Pneumatic system pipings leakages or breakages.
Close or replace loosened or damaged fittings.
Replace broken or damaged pipings.
E
URO
C
ARGO
T
ECTOR
12-26 t
PNEUMATIC SYSTEM - BRAKES
33
Base - February 2003
YES
Revise or replace the brake cylinders.
Inefficient brake cylinders operation.
Revise or replace the Duplex distributor.
Inefficient Duplex distributor operation.
Revise the rear brakes.
Inefficient rear brakes operation.
Revise or replace the braking gaskets.
Worn and/or vitrified braking gaskets.
YES
NO
YES
NO
YES
NO
NO
YES
- Verify the electric wiring.
- Replace the ABS solenoid valve.
Inefficient ABS solenoid valve operation.
NO
YES
Replace the complete brake caliper.
Inefficient
automatic
clearance
recovering
device
operation.
E
URO
C
ARGO
T
ECTOR
12-26 t
34
PNEUMATIC SYSTEM - BRAKES
Base - February 2003
YES
YES
NO
Pneumatic system pipings leakages or breakages.
Inefficient Duplex distributor operation.
Close or replace loosened or damaged fittings.
Replace broken or damaged pipings.
Revise or replace the Duplex distributor.
(continues)
YES
Revise or replace the braking gaskets.
Worn and/or vitrified braking gaskets.
NO
NO
YES
Inefficient front brakes operation.
Revise the front brakes.
YES
Revise or replace the relay valve.
Inefficient relay valve operation.
NO
NO
YES
Inefficient membrane brake cylinders operation.
Revise the membrane brake cylinders.
SCARCE OR IRREGULAR FRONT AXLE
SERVICE BRAKING
3
YES
Inefficient automatic clearance recovering device
operation.
NO
Replace the complete brake caliper.
E
URO
C
ARGO
T
ECTOR
12-26 t
PNEUMATIC SYSTEM - BRAKES
35
Base - February 2003
Revise or replace the A.P.U.
YES
- Verify the electric wiring.
- Replace the ABS solenoid valve.
YES
YES
NO
4
SCARCE OR IRREGULAR TRAILER
SERVICE BRAKING
Pneumatic system pipings leakages or breakages.
Inefficient triple-control servodistributor operation.
Close or replace loosened or damaged fittings.
Replace broken or damaged pipings.
Revise or replace the triple-control servodistributor.
Inefficient ABS solenoid valve operation.
YES
Revise or replace the Duplex distributor.
Inefficient Duplex distributor operation.
NO
NO
YES
Inefficient A.P.U. operation.
YES
NO
YES
Inefficient trailer brakes operation.
Revise the trailer brakes.
Worn and/or vitrified braking gaskets.
Revise or replace the braking gaskets.
NO
E
URO
C
ARGO
T
ECTOR
12-26 t
36
PNEUMATIC SYSTEM - BRAKES
Base - February 2003
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