Regulation No. 78-03 Proposed Supplement 3

Name:Regulation No. 78-03 Proposed Supplement 3
Description:Brakes for L1, L2, L3, L4 and L5 Category Vehicles. Proposed Supplement 3 to the 03 Series.
Official Title:Proposal for Supplement 3 to the 03 Series of Amendments to Regulation No. 78 (Braking (Category L Vehicles)).
Country:ECE - United Nations
Date of Issue:2016-04-06
Amendment Level:Original
Number of Pages:9
Information:Provisional Date of Entry into Force: February 9, 2017
Vehicle Types:Motorcycle
Subject Categories:Drafts and Proposals (Historical)
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Keywords:

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Text Extract:

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ECE/TRANS/WP.29/2016/56
PROPOSAL FOR SUPPLEMENT 3 TO THE 03 SERIES OF
AMENDMENTS TO
REGULATION NO. 78
(BRAKING (CATEGORY L VEHICLES))
ADOPTED AT THE 169 SESSION – JUNE 2016
PROVISIONAL DATE OF ENTRY INTO FORCE: FEBRUARY 9, 2017

Paragraph 5.1.7., amend to read:
"5.1.7. Three-wheeled vehicles of Category L and four-wheeled vehicles of Category L shall be
equipped with a parking brake system plus one of the following service brake systems:
…"
Paragraph 5.1.8., amend to read:
"5.1.8. Category L vehicles and Category L vehicles shall be equipped with:"
Insert new Paragraph 5.1.14., to read:
"5.1.14. The effectiveness of the braking systems, including the anti-lock system, shall not be
adversely affected by magnetic or electrical fields. This shall be demonstrated by fulfilling
the technical requirements and respecting the transitional provisions of Regulation
No. 10 (EMC) by applying:
(a)
(b)
The 03 series of amendments for vehicles without a coupling system for
charging the Rechargeable Electric Energy Storage System (traction batteries);
The 04 series of amendments for vehicles with a coupling system for charging
the Rechargeable Electric Energy Storage System (traction batteries)."
Insert Paragraphs 5.1.15. to 5.1.15.2. and footnote, to read:
"5.1.15. When a vehicle is equipped with the means to indicate emergency braking, activation
and de-activation of the emergency braking signal shall only be generated by the
application of the service braking system when the following conditions are fulfilled:
5.1.15.1. The signal shall not be activated when the vehicle deceleration is below 6m/s but it may
be generated at any deceleration at or above this value, the actual value being defined
by the vehicle manufacturer.
The signal shall be de-activated at the latest when the deceleration has fallen below
2.5m/s .
5.1.15.2. The following conditions may also be used:
(a)
The signal may be generated from a prediction of the vehicle deceleration
resulting from the braking demand respecting the activation and de-activation
thresholds defined in Paragraph 5.1.15.1. above;
or
(b)
The signal may be activated at a speed above 50km/h when the antilock system
is fully cycling (as defined in Paragraph 9.1. of Annex 3) and deceleration is at
least 2.5m/s . The deceleration may be generated from the prediction described
in Point (a). The signal shall be deactivated when the antilock system is no
longer fully cycling."
_____________

Paragraph 3.3., amend to read:
"3.3. Performance Requirements
When the brakes are tested in accordance with the test procedure set out in
Paragraph 3.2., the stopping distance shall be as specified in Column 2 or the MFDD
shall be as specified in Column 3 of the following table:
Paragraph 4.1., amend to read:
"4.1. Vehicle Condition:
(a) The test is applicable to vehicle Categories L , L , L and L ;
…"

Paragraph 7.2.2., amend to read:
"7.2.2. Test Conditions and Procedure:

(d)
Brake actuation force:
Hand control: ≤ 200N;
Foot control: ≤ 350N for vehicle Categories L and L ;
≤ 500N for vehicle Category L and L ;
…"
Paragraph 8.1., amend to read:
"8.1. Vehicle Condition:
(a) The test is applicable to vehicle Categories L , L , L and L ;
…"
Paragraph 9.1., amend to read:
"9.1. General:
(a)
The tests are only applicable to the ABS if fitted.
…"
Paragraph 10.2., amend to read:
"10.2. Vehicle Condition:
(a) The test is applicable to vehicle Categories L , L , L and L ;
…"

Appendix 1,
Paragraph 1.2., amend to read:
"1.2. Vehicle Condition:
(a)
The test is applicable to all vehicle categories.
…"
Brakes for L1, L2, L3, L4 and L5 Category Vehicles. Proposed Supplement 3 to the 03 Series.