Regulation No 78 of the Economic Commission for Europe of the United Nations ... (42015X0130(01))
Regulation No 78 of the Economic Commission for Europe of the United Nations (UNECE) — Uniform provisions concerning the approval of vehicles of categories L 1 , L 2 , L 3 , L 4 and L 5 with regard to braking [2015/145]
- Regulation No 78 of the Economic Commission for Europe of the United Nations (UNECE) — Uniform provisions concerning the approval of vehicles of categories L
- 1
- , L
- 2
- , L
- 3
- , L
- 4
- and L
- 5
- with regard to braking [2015/145]
- 1. SCOPE
- 2. DEFINITIONS
- 3. APPLICATION FOR APPROVAL
- 4. APPROVAL
- 5. SPECIFICATIONS
- 5.1. Brake system requirements
- 5.1.2. Service brake system control operation
- 5.1.3. Secondary brake system control operation
- 5.1.4. Parking brake system
- 5.2. Durability
- 5.3. Measurement of dynamic performance
- 5.4. Brake lining materials:
- 6. TESTS
- 7. MODIFICATIONS OF VEHICLE TYPE OR BRAKING SYSTEM AND EXTENSION OF APPROVAL
- 8. CONFORMITY OF PRODUCTION
- 9. TRANSITIONAL PROVISIONS
- 10. PENALTIES FOR NON-CONFORMITY OF PRODUCTION
- 11. PRODUCTION DEFINITELY DISCONTINUED
- 12. NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL TESTS AND OF ADMINISTRATIVE DEPARTMENTS
- ANNEX 1 (*)
- APPENDIX
- LIST OF VEHICLE DATA FOR THE PURPOSE OF REGULATION No 90 APPROVALS
- ANNEX 2
- ARRANGEMENTS OF APPROVAL MARKS
- MODEL A
- (see paragraph 4.4 of this Regulation)
- MODEL B
- (see paragraph 4.5 of this Regulation)
- ANNEX 3
- TEST CONDITIONS, PROCEDURES AND PERFORMANCE REQUIREMENTS
- 1. GENERAL
- 1.1. Test surfaces
- 1.1.1. High friction surface:
- 1.1.2. Low friction surface:
- 1.1.3. Measurement of PBC:
- 1.1.4. Parking brake system tests:
- 1.1.5. Test lane width:
- 1.2. Ambient temperature
- 1.3. Wind speed
- 1.4. Test speed tolerance
- 1.5. Automatic transmission
- 1.6. Vehicle position and wheel lock:
- 1.7. Test sequence
- 2. PREPARATION
- 2.1. Engine idle speed
- 2.2. Tyre pressures
- 2.3. Control application points and direction
- 2.4. Brake temperature measurement
- 2.5. Burnishing procedure
- 3. DRY STOP TEST — SINGLE BRAKE CONTROL ACTUATED
- 3.1. Vehicle condition:
- 3.2. Test conditions and procedure:
- 3.3. Performance requirements
- 4. DRY STOP TEST — ALL SERVICE BRAKE CONTROLS ACTUATED
- 4.1. Vehicle condition:
- 4.2. Test conditions and procedure:
- 4.3. Performance requirements
- 5. HIGH SPEED TEST
- 5.1. Vehicle condition:
- 5.2. Test conditions and procedure:
- 5.3. Performance requirements:
- 6. WET BRAKE TEST
- 6.1. General:
- 6.2. Vehicle condition:
- 6.3. Baseline test
- 6.3.1. Test conditions and procedure:
- 6.4. Wet brake stop
- 6.4.1. Test conditions and procedure:
- 6.5. Performance requirements
- 7. HEAT FADE TEST
- 7.1. General:
- 7.2. Baseline test
- 7.2.1. Vehicle condition:
- 7.2.2. Test conditions and procedure:
- 7.3. Heating procedure
- 7.3.1. Vehicle condition:
- 7.3.2. Test conditions and procedure:
- 7.4. Hot brake stop
- 7.4.1. Test conditions and procedure:
- 7.5. Performance requirements
- 8. PARKING BRAKE SYSTEM TEST — FOR VEHICLES EQUIPPED WITH PARKING BRAKES
- 8.1. Vehicle condition:
- 8.2. Test conditions and procedure:
- 8.3. Performance requirements:
- 9. ABS TESTS
- 9.1. General:
- 9.2. Vehicle condition:
- 9.3. Stops on a high friction surface:
- 9.3.1. Test conditions and procedure:
- 9.3.2. Performance requirements
- 9.4. Stops on a low friction surface:
- 9.4.1. Test conditions and procedure:
- 9.4.2. Performance requirements
- 9.5. Wheel lock checks on high and low friction surfaces:
- 9.5.1. Test conditions and procedure:
- 9.5.2. Performance requirements:
- 9.6. Wheel lock check — high to low friction surface transition:
- 9.6.1. Test conditions and procedure:
- 9.6.2. Performance requirements:
- 9.7. Wheel lock check — low to high friction surface transition:
- 9.7.1. Test conditions and procedure:
- 9.7.2. Performance requirements:
- 9.8. Stops with an ABS electrical failure:
- 9.8.1. Test conditions and procedure:
- 9.8.2. Performance requirements:
- 10. PARTIAL FAILURE TEST — FOR SPLIT SERVICE BRAKE SYSTEMS
- 10.1. General information:
- 10.2. Vehicle condition:
- 10.3. Test conditions and procedure:
- 10.4. Performance requirements:
- 11. POWER-ASSISTED BRAKING SYSTEM FAILURE TEST
- 11.1. General information:
- 11.2. Test conditions and procedure:
- 11.3. Performance requirements
- APPENDIX
- ALTERNATIVE METHOD FOR THE DETERMINATION OF PEAK BRAKING COEFFICIENT (PBC)
- (see paragraph 1.1.3 to this annex)
- 1.1. General:
- 1.2. Vehicle condition:
- 1.3. Test conditions and procedure:
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