IMPACT 4.00.
12 14/01/15
Printed by:Paul Bull
Service
Chassis ID Path
B12B 141417 56/Description, Design and function//Air pressure brake system, components
Model Identity
B12B 129424070
Publish date ID/Operation
07/07/10
COPYRIGHT © Copyright Volvo Parts Corporation
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
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IMPACT 4.00.12 14/01/15
Air pressure brake system, components
Main components
1 Compressor
1a Equalising tank
1b Cooling pipe
2 Air drier
2a Regeneration tank
4 Safety valve, 1.8 MPa
4a Safety valve, 1.3 MPa
4b Safety valve, 0.93 MPa
5 Primary tank
6 Test nipple
7 Drain valve
8 Relief valve, supply air suspension system
9 Pressure limiting valve, brake system
9e Pressure limiting valve, door brake
10a Four circuit safety valve, 7-ports
11 Compressed air tank, front axle circuit
12 Compressed air tank, drive shaft circuit
12a Compressed air tank, parking brake circuit
13 Non-return valve, parking brake circuit
13a Non-return valve, external filling
14 Sensor for compressed air gauge
16 Footbrake valve
17 Brake light switch
19 Brake cylinder, front axle
20 Distributor nipple
21c Relay valve, parking brake circuit
22 Spring brake cylinder
23 Air pump nipple, parking brake circuit
24 Blocking valve
25 Parking brake valve
26 Low pressure indicator, parking brake
COPYRIGHT © Copyright Volvo Parts Corporation
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
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IMPACT 4.00.12 14/01/15
26a Low pressure indicator, EPG
28 Two-way valve, parking brake
31a Modulator valve, EBS 1 channel front axle
31b Modulator valve, EBS 1 channel drive shaft
34 Cruise control enable
35b Solenoid valve, steering wheel adjustment
35d Solenoid valve, door brake
37 NBS, footbrake
38 Air cylinder, steering wheel
39 Solenoid valve AVU (EPG)
COPYRIGHT © Copyright Volvo Parts Corporation
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
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IMPACT 4.00.12 14/01/15
COPYRIGHT © Copyright Volvo Parts Corporation
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
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IMPACT 4.00.12 14/01/15
A Gearbox
Retarder
Clutch servo
Differential lock
COPYRIGHT © Copyright Volvo Parts Corporation
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
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IMPACT 4.00.12 14/01/15
Body connection
COPYRIGHT © Copyright Volvo Parts Corporation
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
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