Iveco EuroCargo (12 to 26 t). Manual — part 38
E
URO
C
ARGO
T
ECTOR
12-26 t
6
CLUTCH
Base - February 2003
FICHTEL &
SACHS
VALEO
A.P. BORG &
BECK
Type
Dry single-plate
Engagement mechanism
Pull with baffle spring
Driven plate
With friction gaskets
Driven plate hub
With spring drives
External gaskets
∅
mm
380
380
380
Internal gaskets
∅
mm
220
220
220
(New) plate thickness
mm
10
± 0.3
10
± 0.3
10
± 0.2
Max. driven plate mismatching
mm
-
-
µ 0.3
Load on plate-pusher
N
17400
19000
20000
Disengagement load
N
4000
4000
3950
Minimum plate-pusher lift
mm
1.7
1.7
1.7
Detachment stroke
mm
12
+2
0
12
+2
0
12
+2
0
Max. consumption stroke
mm
16
12.5
15
Hydraulic control
Master cylinder with embedded oil tank —
operating cylinder
Oil type
Tutela TRUCK DOT SPECIAL
2
Main clutch operating anomalies:
1 - Noises when the pedal is lowered;
2 - Noises when the pedal is released;
3 - The clutch jerks;
YES
1
NO
YES
NOISES WHEN THE PEDAL
IS LOWERED
YES
NO
YES
NO
YES
Excessively worn, damaged or scarcely lubricated thrust
bearing.
Excessive clearance between gearbox entry shaft
grooves and related seat on driven plate hub.
Replace the shaft and, if necessary, the driven plate too.
NOISES WHEN THE PEDAL
IS RELEASED
Broken or excessively deteriorated driven plate springs.
Replace the driven plate.
Worn gearbox entry shaft.
Replace the shaft and, if necessary, the driven plate.
Thrust bearing having clearance on engagement
manifold.
Replace the thrust bearing.
Replace the thrust bearing.
4 - The clutch does not disengage itself;
5 - The clutch slips;
6 - Anomalous driven plate gasket wear.
E
URO
C
ARGO
T
ECTOR
12-26 t
CLUTCH
7
Base - February 2003
3
THE CLUTCH JERKS
Oil or grease on engine flywheel, or on driven plate
gaskets.
Buckled plate-pushing ring.
Irregularly consumed friction gaskets due to driven
plate mismatching.
Weak clutch baffle spring or baffle spring with broken
blades.
4
THE CLUTCH DOES NOT DISENGAGE
ITSELF
Oil or grease on driven plate gaskets.
Worn gearbox entry shaft grooves so that the driven
plate sliding is prevented.
Remove the inconvenience generating the fouling;
accurately clean the flywheel, then replace the driven
plate.
Replace the clutch.
Replace the driven plate.
Replace the clutch.
Remove the inconvenience generating the fouling;
accurately clean the flywheel, then replace the driven
plate.
Replace the shaft and, if necessary, the driven plate too.
NO
YES
NO
YES
NO
YES
YES
NO
YES
YES
E
URO
C
ARGO
T
ECTOR
12-26 t
8
CLUTCH
Base - February 2003
5
6
THE CLUTCH SLIPS
Worn or burnt driven plate gaskets.
Weak clutch baffle spring or baffle spring with broken
blades.
Oil or grease on driven plate gaskets.
Replace the driven plate.
Replace the clutch.
Remove the inconvenience generating the fouling and
replace the driven plate.
ANOMALOUS DRIVEN PLATE GASKET
WEAR
The driver keeps, during the drive, his foot rested on
the clutch pedal.
Baffle spring with yielded or broken blades.
The driver must avoid this wrong attitude and rest his
foot on the clutch pedal only when it is necessary.
Replace the clutch.
NO
YES
NO
YES
YES
NO
YES
YES
E
URO
C
ARGO
T
ECTOR
12-26 t
CLUTCH
9
Base - February 2003
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