Document ID: chunk:federal_register_of_legislation:F2023C00165:reg:6:p4
Version: federal_register_of_legislation:F2023C00165
Segment Type: reg
Provision Reference: reg 6 (pt 4/9)
Character Range: 241428–245441

projection of the outside of the end turns crosses the filament axis.
12/ To be checked by means of a "Box system", sheet H11/4.

CATEGORY H11

Sheet H11/4
Screen projection requirements
This test is used to determine, by checking whether the filament is correctly positioned relative to the reference axis and the reference plane, whether a lamp complies with the requirements.

      a1       a2       b1    b2   c1   c2
12 V  d + 0.3  d + 0.5  0.2   5    4.0
24 V  d + 0.6  d + 1.0  0.25  6.3  4.6

d = diameter of filament
The filament position is checked solely in directions A and B as shown on sheet H11/1.
The ends of the filament as defined on sheet H11/3, note 11/ shall lie between lines Z1 and Z2 and between lines Z3 and Z4.
The filament shall lie entirely within the limits shown.

ECONOMIC COMMISSION FOR EUROPE
INLAND TRANSPORT COMMITTEE
Working Party on the Construction of Vehicles

DRAFT SUPPLEMENT 17 TO THE 03 SERIES OF AMENDMENTS TO REGULATION No. 37
(Filament lamps)

Note: The text reproduced below was adopted by the Administrative Committee (AC. 1) of the amended 1958 Ageement at its tenth session, following the recommendation by the Working Party at its one-hundred- and-sixteenth session. It is based on document TRANS/WP.29/1998/51, as amended by the Working Party (TRANS/WP.29/640, para. 160).

Contents, Annex 1, amend to read (deleting also sheets S4 and inserting a new footnote*/) "Annex 1

           Sheets R2
           Sheets H1
           Sheets H2
           Sheets H3
           Sheets H4
           Sheets P21W...............................(only for signalling lamps)
           Sheets P21/4W .............................(only for signalling lamps)
           Sheets P21/5W ..............................(only for signaling lamps)
           Sheets R5W................................(only for signaling lamps)
           Sheets R10W...............................(only for signaling lamps)
           Sheets C5W................................(only for signaling lamps)
           Sheets C21W...............................(only for signalling lamps)
           Sheets T4W................................(only for signalling lamps)
           Sheets W5W................................(only for signalling lamps)
           Sheets W3W................................(only for signalling lamps)
           Sheets S1 and S2
           Sheets S3
           Sheets HS1
           Sheets HS2
           Sheets PY21W..............................(only for signalling lamps)
           Sheets H6W................................(only for signalling lamps)
           Sheets HB3
           Sheets HB4

           Sheets T1.4W...............................(only for signalling lamps)
           Sheets H7
           Sheets H27W/1 and H27W/2
           Sheets P27W...............................(only for signalling lamps)
           Sheets P27/7W .............................(only for signalling lamps)
           Sheets WY5W..............................(only for signalling lamps)
           Sheets H21W...............................(only for signalling lamps)
           Sheets W21W..............................(only for signalling lamps)
           Sheets W21/5W.............................(only for signalling lamps)
           Sheets W2.3W..............................(only for signalling lamps)
           Sheets H8
Sheets W16W..............................(only for signalling lamps)
Sheets HIR1*/
           Sheets PY27/7W.............................(only for signalling lamps)
           Sheets HIR2
           Sheets H9*/
           Sheets H10
           Sheets H11
           Sheets H12

    */ HIR1 and/or H9 filament lamps shall only be permitted to produce passing beam in conjunction with the installation of headlamp cleaning device(s) conforming to Regulation No. 45. In addition, with respect to vertical inclination, the provision of paragraph 6.2.6.2.2. of Regulation No. 48, 01 series of amendments, shall not be applied when these