Iveco EuroCargo (12 to 26 t). Manual — part 174
YES
NO
YES
NO
YES
Inefficient rear brakes operation.
Revise the rear brakes.
Inefficient triple-control servodistributor operation.
Revise or replace the triple-control servodistributor.
Inefficient front brakes operation.
Revise the front brakes.
Inefficient triple-control servodistributor operation.
10
INSUFFICIENT TRAILER
SLOWING-DOWN BRAKING
YES
NO
YES
NO
YES
NO
YES
Pneumatic system pipings leakages or breakages.
Close or replace loosened or damaged fittings.
Replace broken or damaged pipings.
Revise or replace the triple-control servodistributor.
Inefficient manual distributor (hand lever) operation.
Revise or replace the hand lever.
Inefficient A.P.U. operation.
Revise or replace the A.P.U.
E
URO
C
ARGO
T
ECTOR
12-26 t
PNEUMATIC SYSTEM - BRAKES
41
Base - February 2003
Revise the brakes.
Inefficient brakes operation.
YES
NO
YES
NO
YES
11
EARLY BRAKING GASKETS WEAR
Inefficient Duplex distributor operation.
Revise or replace the Duplex distributor.
Inefficient triple-control servodistributor operation.
Revise or replace the triple-control servodistributor.
NO
YES
Inefficient relay valve operation.
Revise or replace the relay valve.
Inefficient A.P.U. operation.
Pneumatic system pipings leakages or breakages.
12
YES
NO
YES
TURNED-ON BRAKE SYSTEM FAILURE
LUMINOUS SIGNALLER
Close or replace loosened or damaged fittings.
Replace broken or damaged pipings.
Revise or replace the A.P.U.
NO
YES
Wrong warning light electric circuit wiring.
Detect the wrong connection and restore the wiring.
E
URO
C
ARGO
T
ECTOR
12-26 t
42
PNEUMATIC SYSTEM - BRAKES
Base - February 2003
YES
YES
NO
YES
13
TURNED-ON PARKING BRAKE
LUMINOUS SIGNALLER WITH HAND
LEVER IN RUNNING POSITION
Inefficient parking brake manual distributor (hand
lever) operation.
Revise or replace the hand lever.
Wrong warning light electric circuit wiring.
Detect the wrong connection and restore the wiring.
YES
Inefficient A.P.U. operation.
Revise or replace the A.P.U.
YES
14
YES
NOISY BRAKES
Worn braking gaskets.
Replace the worn gaskets.
Presence of foreign bodies between discs and braking
gaskets (disc brakes).
Remove the foreign bodies between braking gaskets
and discs.
Uncentered brake discs (disc brakes).
Grind or replace the brake discs.
NO
NO
NO
YES
Excessive brake drums ovalisation within required
tolerances (drum brakes).
Turn or if necessary replace the drums.
YES
Inefficient jaws return springs (drum brakes).
Revise the rear brakes.
NO
NO
E
URO
C
ARGO
T
ECTOR
12-26 t
PNEUMATIC SYSTEM - BRAKES
43
Base - February 2003
E
URO
C
ARGO
T
ECTOR
12-26 t
44
PNEUMATIC SYSTEM - BRAKES
Base - February 2003
PART
TORQUE
Nm
(kgm)
Compressor
Head clamping screws
27.5
± 2.5
(2.8
± 0.25)
Connecting rods caps clamping screws
13+3
(1.3+0.3)
Front brakes (Front axle 5845)
Ring nut for securing wheel hub bearings
388.5
± 18.5
(39.6
± 1.8)
Cylindrical-head screw with embedded hexagon for bearings adjustment clamp
27.5
± 2.5
(2.8
± 0.2)
Self-locking hexagonal-head screw for securing brake calipers
188
± 18
(19
± 1.8)
Hexagonal-head screw for securing brake disc to wheel hub
40
± 4
(4
± 0.4)
Wheel hub cover*
106
± 11
(10.8
± 1.1)
Tapered threaded plug for wheel hub cover
55
± 5
(5.5
± 0.5)
Brake cylinder securing nut
195
± 15
(19.8
± 1.5)
Front brakes (Front axle 5842/5 - 5851/5)
Ring nut for securing wheel hub bearings
388.5
± 18.5
(39.6
± 1.8)
Cylindrical-head screw with embedded hexagon for bearings adjustment clamp
27.5
± 2.5
(2.8
± 0.2)
Self-locking hexagonal-head screw for securing brake calipers
299.5
(30.6)
Hexagonal-head screw for securing brake disc to wheel hub
40
± 4
(4
± 0.4)
Wheel hub cover*
130
± 10
(13
± 1)
Tapered threaded plug for wheel hub cover
55
± 5
(5.5
± 0.5)
Brake cylinder securing nut
195
± 15
(19.8
± 1.5)
Front brakes (Front axle 5871/5)
Ring nut for securing wheel hub bearings
515.5
± 24.5
(52.5
± 2.5)
Cylindrical-head screw with embedded hexagon for bearings adjustment clamp
27.5
± 2.5
(2.8
± 0.2)
Self-locking hexagonal-head screw for securing brake calipers
615.5
± 61.5
(62.5
± 6.2)
Hexagonal-head screw for securing brake disc to wheel hub
41
± 4
(4
± 0.4)
Wheel hub cover*
130
± 10
(13
± 1)
Tapered threaded plug for wheel hub cover
55
± 5
(5.5
± 0.5)
Brake cylinder securing nut
195
± 15
(19.5
± 1.5)
*
Apply a bead of LOCTITE 574 sealant on the cover abutting surface by means of the special measuring device. Protect the
threaded portion.
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