ar4210s5000s

Check brake forces of service brake

Type ar · emne 42.10 · version 0104 · 2015-05-07

Gælder for: Model 639

Ikke tilgængelig på “da”; vises på Engelsk.

Placering

Funktionsgruppe 2 Chassis › 42 Bremsehydraulik og -mekanik › 42.10 Driftsbremse — Serie 639

EinPAS 21 bremser/vakuumsystem/trykluftsystem › 21.15 driftsbremse/vakuumsystem › 21.15.5 bremsesystem komplet — Serie 639

AR42.10-S-5000S

Check brake forces of service brake

4.5.15

Model

639

Danger !

Risk of death caused by limbs being caught or crushed by rotating parts when performing tests on the brake test stand

Never leave the vehicle unattended on the rollers except in an emergency. Ensure that no one is under the vehicle or near rotating parts during testing. In case of emergency, use the EMERGENCY OFF switch to shut down test stand.

AS42.00-Z-0001-01A

Notes on the evaluating and interpreting brake tests on test stands

AH42.00-N-0004-01S

Check

1

Mount pedal force meter onto brake pedal

000 588 05 21 00 Roller brake test stand

WS42.00-P-0006B

Pay attention to manufacturer's operating instructions.

2

Drive the vehicle on the roller brake test stand

000 588 05 21 00 Roller brake test stand

WS42.00-P-0006B

Run engine.

3

Gradually apply specified test forces to the brake pedal, and compare the brake force reached on each axle against the reference values

The reference values must be reached, to enable the specifications for the legally prescribed minimum deceleration to be fulfilled.

Reference values for pedal force in accordance with manufacturer's specifications, reference value method

*BE42.10-N-1002-17L

If the reference values are not achieved:

Determine causes and repair brake system as required.

4

Drive the vehicle off the roller brake test stand.


If the vehicle with a drive axle is on the rollers, drive it off the rollers only when the roller drive is running.
Otherwise, excessive roller acceleration could damage the drive of the rollers.

5

Operate parking brake

6

Turn off engine

7

Remove pedal force meter

Reference values for brake force

Number

Designation

MODEL 639 except CODE MA0 with classification M1 in accordance with EC Directive 2007/46/EC

MODEL 639 except CODE MA0 with classification N1 in accordance with EC Directive 2007/46/EC

BE42.10-N-1002-17L

Reference values for pedal force in accordance with manufacturer's specifications, reference value method

Proportion of brake force at front axle (min.)

%

62,8

62,8

Proportion of brake force at rear axle (min.)

%

14,6

14,6

Proof load (min.)

N

60

60

Proof load (max.)

N

280

280

Max. pedal force for 50% braking deceleration

N

–

185

Max. pedal force for 58% braking deceleration

N

215

–

Reference values for brake force

Number

Designation

MODEL 639 with CODE MA0 with classification M1 in accordance with EC Directive 2007/46/EC

MODEL 639 with CODE MA0 with classification N1 in accordance with EC Directive 2007/46/EC

BE42.10-N-1002-17L

Reference values for pedal force in accordance with manufacturer's specifications, reference value method

Proportion of brake force at front axle (min.)

%

62,8

62,8

Proportion of brake force at rear axle (min.)

%

14,6

14,6

Proof load (min.)

N

60

60

Proof load (max.)

N

340

340

Max. pedal force for 50% braking deceleration

N

–

195

Max. pedal force for 58% braking deceleration

N

225

–

Henviste dokumenter