u s dot nhsta - information on the replaceable light source type hb5

8/12/2019 U S DOT NHSTA - Information on the Replaceable Light Source Type HB5

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ATTACHMENT I

SPECIFICATIONS FOR THE TYPE HBS STANDARDIZED

REPLACEABLE LIGHT SOURCE

A Type HI3 1 light source shall be designed to conform to the dimensions specified in Figure 24.The dimension A utilized in the S9 Deflectiontest for replaceable light sources is 44.50 kO.25millimeters (1.75 0.010 inches). The diameter of the bulb aperture is34.3/34.2millimeters1.350/l .346 inches).Maximum power and luminous flux shall be as follows:

MAXIMUM POWER ON THE LOWER BEAM 60 WATTS

MAXIMUM POWER ON THE UPPER BEAM 70 WATTS

LUMINOUS FLUX IN LUMENS ON THE LOWER BEAM 1000 kl5

LUMINOUS FLUX IN LUMENS ON THE UPPER BEAM 1350 15


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FIGURE24 iS P E C I F I C A T I O N F O R T H E Hf

REPLACEABLE BULB

FRONT VIEW

SEAL GROOVE-AP rA

P LA N V I E W

R E F . P L A N E


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F I G U R E 2 4 - 3

S P E C I F I C A T I O N F O R T H E H B 5

RE P LA CE A B LE B ULB

VI W z L AJF ROM BULB END p s

G

ONSTANT

OPT. CONSTR.

VIEW Z

FROM BULB END


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FIGURE 24-5

SPECIFICATION FOR THE HB5

R E PL A C E A B L E B U L B

OPAQUE

C O A T I N G

OF UNDISTORTED PORTION

O F G L A S S T U B I N G

pi/j

H I G H B E A M F I L A M E N T

U N D I S T O R T E D

I GLASS

P L A N V I E WSIDE VIEW


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F I G U R E 2 4 - 6

SPECIFICATION FOR THE HB5

REPLACEABLE BULB

LO C K I N G F E A T U R E

AC

E X P L O D E D P L A N V I E W

MUST BE FREE OF FLASH

BLENDING RADII PE RMITTED


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Figu re 24 -7

SPECIFICATION FOR THE HB5REPLACEABLEBULB

MCKINGFEATURE

Dimensional SpecificationsFigure 24 6

AC

AD

AG

AK

AM

AN

.179+.008300230

.098 .008350 30

.217 .008

illimeters

4.55 .20300 302.50 2.203502305.50 .204 00


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F I G U R E 2 4 - 8

S P E C I F I C A T I O N F O R T H E H B 5

RE P LA CE A B LE B ULB

B ULB HO LDE R

15 M I C R O I N C H F I N I S HO N T H E S E S U R F A C E S M A X

A L L A ROUND

L O W B E A M F I L A M E N T

S H O W N A T F O C A L P O I N T

O F P A R A B O L A REF)P L A N V I E W

LO W B E A M FO CA L

P O I N T REF)


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u s dot nhsta - information on the replaceable light source type hb5

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