Product Attribute:
Applicationt:
BMW
Production Description:
Features:
Trainer testing electrical and electronic systems used in modern automotive technology
This trainer is real equipment built with genuine automotive components.
Learning objectives :
-Analysis of the braking system in case of skidding on one or more wheels with out ABS control.
- Analysis of the braking system in case of skidding on one or more wheels with ABS control , in relation to : different friction loads , equal wheel
speeds, different wheel speeds
-Checking the condition of intervention of the solenoid valves of the electro-hydraulic set, in the following cases : smooth braking without,
skidding, braking with skidding of a front wheel and braking with skidding of a front wheel and braking with skidding of a rear wheel
- Analysis of the waveform of the driving signal on solenoid valves
- Analysis of the waveform of the signal coming from the sensors of angular velocity.
- Analysis of the pressures acting in tandem circuit and of the depressions in the brake booster .
- Analysis of irregularities, operational defects and faults :
Insertion of non destructive faults by means of microprocessor fault simulator
Fault-finding methods with traditional instruments or special instruments
Data gathering and reading, signaling of malfunction conditions, fault location by guided diagnosis and information upon operator's request,
given through diagnostic tester
MODULES
Braking circuit :
Brake pump with two circuits
Hand-operated brake
At least 2 pressure gauges for measuring the
relative pressure of pump deliveries 0 -25 bar
Vacuum brake booster
Vacuum electric pump and regulator for generating
depression
Pressure gauge for relative pressure
Brake fluid reservoir
Electro-hydraulic set with solenoid valves (ABS
modulator)
4 flywheels (disk wheel) with wheel speed sensor
4 digital displays (digital speed display for each
wheel)
4 hydraulic pressure gauges for checking the
braking pressures on front right and left wheel, rear
right and left wheel
Electric - electronic system :
key switch
Fuse
Warning light for faulty ABS (indicated problem)
ABS operational light (ABS ON)
Brake pedal switch
Switch for simulating the special road condition (dry asphalt, wet
asphalt and icy/snow)
Protection relay against over voltages
4 wheel speed sensor
Electronically-operated motor for controlling the speed of wheel-disk
unit provided with : manual set point , optoelectronic r.p.m. indicator ,
electronic friction adjustor
4 electronically-operated motors for controlling the speed of rear
2 and front 2 flywheels, provided with : manual set point (adjustable
switch of speed motor) , digital display of r.p.m indicator
4 sets of LEDs for checking the state of solenoid valves
Electronic control unit of ABS system
Included built in ABS tester/scanner
Provided test points that used to diagnose and troubleshoot the fault
circuits that caused by the fault simulation system
Power supply : 220 V / 50 Hz
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