MAHA SA 2 Euro, Operation & Maintenance Manual

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PC Program Operation Eurosystem / Profi-LON
D1 E101BA1-GB09 4.63
4.8.4.1 4 Wheel Drive Brake Test
4 Wheel drive vehicle brake testing must distinguish between a „rigid“ or a „Visco“-4 wheel drive
regulation. Furthermore, „Visco“-4 wheel drive regulation is divided up between hard and soft.
Before brake testing, the cable of the pedal force meter must be connected to the remote
control and the pedal force meter attached to the shoe or the brake pedal.
Reflex strips must be attached to the vehicle tires when testing
vehicles with „rigid“ or hard „Visco“-4 wheel drive regulation.
An integrated light barrier on the brake tester records the exact
wheel rotations.
A = Reflex strips B = Light barrier
The motor regulation records the exact rpm of the forward rotating rollers and transfers this to
the backwards rotating rollers. In this way, a force transfer to the second axle as well as torque
on the drive rod are avoided.
The brakes of the wheels are tested individually with 4 wheel drive tests:
1. Front axle, left hand wheel
2. Front axle, right hand wheel
3. Rear axle, left hand wheel
4. Rear axle, right hand wheel
Test Procedure
1 Active 4 wheel drive mode
Select desired 4 wheel drive mode with
<F9>.
2 Prepare brake test
a. Drive onto the brake tester with the front axle.
Both sensor rollers of the roller set must be pressed.
b. Release brake.
c. Press the clutch or put gear into idle.
Put automatic transmission into Neutral-Position (N).