Iveco Stralis AT/AD. Manual — part 255
S
TRALIS
AT/AD
78
AIR SYSTEM - BRAKES
Base - January 2003
Combined brake cylinder (for rear disc brake)
- Type 20/27 KNORR - BREMSE IC 68086
Maximum working pressure
- fitting 11
- fitting 12
Minimum stroke
10.7 bar
8.5 bar
64 mm
Combined brake cylinder (for rear drum brake)
- Type 18/24 HF KNORR - BREMSE IC 559 76
Maximum working pressure
Minimum stroke
8.5 bar
53 mm
- Type 20/24 HF KNORR - BREMSE IC 559 78
Maximum working pressure
Minimum stroke
8.5 bar
53 mm
Pressure sensor
- WABCO 441 040 015
Supply voltage
Measurement range
8 - 32 Volt
0 - 10 bar
Low-pressure switch
- F 130 46 S - F 130 47 S
Trip pressure
6.6
± 0.2 bar
On-off valve
- WABCO 434 205 061
Working pressure
10 bar
Controlled pressure valve
- WABCO 434 100 199 - KNORR - ASR BREMSE 119 435 47 - BENDIX VPG 4M
Opening pressure
7
+ 0.1
bar
- 0.3
One-way valve
- PEL 50 473 - C
Working pressure
Backpressure
12 bar
0.2 bar
Trailer automatic and handbrake engaging low-pressure switch
- F 130 48
Trip pressure
5.5
± 0.2 bar
AIR SYSTEM - BRAKES
79
S
TRALIS
AT/AD
SPECIFICATIONS AND DATA - BRAKES
DISC BRAKES:
FRONT AXLE
CENTRAL ADDED AXLE
REAR AXLE
(Vehicles with EBS)
REAR ADDED AXLE
5876/4/5 - 5886/5
5876/2/4
MS 13-175
55080/DI (DN8071) - 57080/DI (N8072)
56082/DI (N9171)
∅
Brake calliper cylinders:
- number
- diameter
∅ mm
2
68
S
Brake lining thickness:
- normal
S mm
- minimum permissible
S mm
21
2
∅
Brake disc diameter
∅ mm
432
S
Brake disc thickness:
- normal
S mm
- minimum permissible
S mm
45
37 (4 mm each side)
Operating clearance
G mm
0.5 to 1
WHEEL HUBS
FRONT AXLES
58/76/2/4/5 - 55080/DI-57080/DI
5886/5
56082/DI
Wheel hub bearings
2 with tapered rollers
2 with tapered rollers
Unit-Bearing
Hub bearing end float
mm
max 0.16
-
Hub bearing end float adjustment
Not adjustable
Tightening ring nut to torque
Rolling torque
da Nm
0.50 max.
Oil for wheel hub bearings
Tutela W 140/M-DA
(Tutela TRUCK FE-AXLE for
vehicles with rear disk brakes) Litres
Quantity of oil for each hub
kg
0.33 (
•)
0.30 (
•)
-
-
• For MS 13-175 rear axle see rear axle section.
S
TRALIS
AT/AD
80
AIR SYSTEM - BRAKES
Base - January 2003
AXLES
55080
57080
REAR AXLE
RT 160/1
ADDED AXLE
56082/1
REAR AXLE
MS13-175
Drum diameter:
- Nominal
∅ mm
- 1
st
uprating
∅ mm
- 2
nd
uprating
∅ mm
410 to 410.4
412
414
S
S
1*
Brake lining thickness:
- Nominal
S mm
- 1
st
uprating
S mm
- 2
nd
uprating
S mm
- minimum permissible
S
1*
mm
21.3
22.3
23.3
4.7
* In correspondence with the last rivet, on the opposite side of the pin, of the shoe with wear sensor.
j
Diameter of brake linings:
- Nominal
S mm
- 1
st
uprating
S mm
- 2
nd
uprating
S mm
407.5 to 409
409.5 to 411
411.5 to 413
L
Width of brake linings:
L
mm
180
200 (56082/1)
200
G
Clearance between brake linings
and drum
G
mm
0.5 to 1.45
E
Maximum error of concentricity
in the drum diameter
after turning
E
mm
0.04
WHEEL HUBS
Wheel hub bearings
Two with tapered rollers
2 with tapered
rollers (Unit Bedring)
Hub bearing end float
mm
0.16 max
0.00 to 0.05
Not adjustable
Hub bearing end float adjustment
With ring nut
Tightening to torque
with ring nut
Wheel hub bearing
rolling torque
daNm 0.50 max.
Nm 2.45 max.
-
Oil for wheel hub bearings
Tutela W 140/M DA
Litres
Quantity of oil for each hub
kg
0.33
0.30
0.75 (56082/1)
0.69 (56082/1)
(
•)
(
•)
• See rear axle section.
AIR SYSTEM - BRAKES
81
S
TRALIS
AT/AD
ROCKWELL REAR DRUM
Rear axle
ROCKWELL REAR DRUM
BRAKES
Rear axle
451391
∅
Drum diameter:
- Nominal
∅
mm
- 1
st
oversize
∅
mm
- 2
nd
oversize
∅
mm
410 to 410.4
412 to 412.4
414 to 414.4
S
S
1*
Brake lining thickness:
- Nominal
S
mm
- 1
st
oversize
S
mm
- 2
nd
oversize
S
mm
- Minimum permitted
S
1*
mm
22.1
23.1
24.1
5
*Aligned with last rivet, from opposite side of cylinder from shoe with wear sensor.
Brake lining diameter:
- Nominal
∅
mm
- 1
st
oversize
∅
mm
- 2
nd
oversize
∅
mm
407.5 to 408.5
409.5 to 410.5
411.5 to 412.5
L
Brake lining width:
L
mm
200
G
Clearance between brake linings
and drum
G
mm
1 to 1.25
E
Max. error of concentricity of
drum diameter after skimming
E
mm
0.04
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