Content

Suspension

• Mechanical suspension
• Pneumatic suspension
• Electronically controlled air suspension (ECAS)
• Axle load measurement function
• Calibration
• Pneumatic suspension schemes
• Specifications
• Removing and installing front leaf springs
• Removing and installing front suspension rods
• Rear suspension
• Removing and installing trailing arm and V-bar
• Replacing the axle with an elastic bushing of the suspension arm
• Replacing the V-bar
• Suspension height adjustment
• Fault codes

Braking system

• General information
• Hydropneumatic brake systems
• EBS system
• EBS system diagrams
• System diagrams ABS - EBL - ASR
• Tightening torques of threaded connections, nm
• Brake component specifications
• ESP sensor unit
• Mechanical brake release device for the combined brake cylinder
• KNORR disc brake (SN7 caliper)
• Repair of front disc brakes
• Replacing the brake caliper
• Brake caliper repair
• Drum brakes of the rear wheels
• Fault codes

Electronic systems and components

• Component codes
• Major system changes
• Power chain
• The chain of "mass"
• BOSCH generator 28 V 40/90 A
• Starter NIPPONDENSO 24 V 5.5 kW
• Connectors
• Description of connectors
• Fuse and relay box
• Relay
• Combo switches
• Instrument cluster connectors
• On-board computer
• On-board computer connectors
• FFC (computer on the front of the chassis frame), RFC (computer on the back of the chassis frame)
• DDM (driver door unit), PDM (passenger door unit), Cab unit
• SWI (steering wheel interface)
• Digital tachograph (DTCO)
• EDC system (ECM)
• Component descriptions
• Injector (78247)
• Coolant temperature sensor (85153)
• Fuel temperature sensor (47042)
• Flywheel sensor (48035)
• Camshaft gear sensor (48042)
• VCM (vehicle control unit)
• ABS block
• CBU (Central brake unit), vehicles with EBS2
• Electric pneumatic modulator (vehicles with EBS2)
• Air handling unit (APU), ABS-EBS2
• Solenoid valve 78052 (ABS-EBS2)
• Duplex valve (ABS-EBS systems)
• Trailer distributor 78058
• ECAS pneumatic suspension
• Electronic unit ECAS
• Pressure sensor
• Electrically pneumatic axle distributor, 4x2 - 6x2 - FP
• Electrically pneumatic axle distributor, 4x2 P
• Electro-pneumatic axle valve, 4x2 FP, 4x2 P / FP - 6x4 P
• Electro-pneumatic axle valve, 4x2 FP, 4x2 P / FP - 6x4 P
• Intarder electronic unit
• DMI control unit (pto data processing interface)
• SCR Denox 2 system
• Central locking control unit (receiver)
• Block diagrams of electronic systems
• Electrical diagrams

Operating instructions

• Driver's workplace
• Devices and controls
• Starting the engine and driving
• Troubleshooting yourself
• Verification work performed by the driver
• Scheduled maintenance
• Specifications
• Information signs
• Fuses and relays

Abbreviations