Bsi bs au 262 1 1995 (2002) bs iso 6550 1 1994

BRITISH STANDARD AUTOMOBILE SERIES BS AU 262 1 1995 BS ISO 6550 1 1994 Incorporating Amendment No 1 Road vehicles — Sheath type glow plugs with conical seating and their cylinder head housing — Part 1[.]

BS ISO

6550- 1:1994

Incor por a ting

A mend ment No 1

ICS 4 0 0.5

This Br itsh Stan ard,ha in g

b en pre ared u d er the

directonof the Engine ring

SectorBo rd,was published

u derthe authoriy of the

Stan ard s Bo rd an comes

intoefect on

1 Decemb r1 9

© BSI 2 Decemb r 2 0

The folowing BSI r eferences

relate to the work on this

stan ard:

Commi e reference MC /9

Dr aft f c mmen t 9 /70 8 3 D

ISBN 0 5 0 2 9 1 7

The prep ration of this British Stand rd was entrusted to Tech ical

Commit e MCE/ 9, Ignition eq uipment for sp rk ig nition engines, upon which

the folowing bodies were represented:

Society of Motor Manufacturer and Trad er L td

Co pted member

Am endm ents is ued sinc publ cation

1410 20 December 20 2 Chan ge to second ry iden tifier

Pa e

Figure 1 — M14 × 1,25 sheath-ty pe glow-plug with conical seating 2

National foreword

This British Stand r d has be n prep r ed b Tech ical Commit e MCE/9 It is

identical with ISO6 5 -1:19 4R oad vehicle — Shea th-type glow-plugs wih

conica l s ating a nd their cylnd er hea d housing — Pa r t 1: M14

×1,2 glow-pl ugs,

publshed b the International Org nization for Stand ardization (ISO)

A Br itish Stand ard do s not purport to include al the neces ar y prov isions of a

contract U ser of British Stand rd s are responsible for their cor rect a plcation

Com pl anc with a British Standard does not of itself confer im m unity

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Sum m ary of pag es

This document comprises a f ont cov er, an inside font cov er, p g es i and i ,

p ges1 to 3 and a b ck cover

The BSI copy rig ht notice display ed in this d ocument ind icates w hen the

document was last is ued

1 Scope

This p rt of ISO6 5 specifies the main ch aracteristic of M14× 1,25 sheath-ty pe glow-plug s w ith conical

seating and their cy lind er hea housing, for use with diesel ( compres ion- g nition) eng ines

Ty pe M14 should not be used for new a plcations

2 Norm ative r f r nces

The folowing stand r ds contain provisions which, thr oug h reference in this text, constitute prov isions of

this p rt ofISO 6 5 A t the time of publcation, the editionsindicated were v ald All stand rds are subject

to r ev ision, and p r ties to ag re ments b sed on this p rt of ISO6 5 are encoura ed to inv estig ate the

pos ibi ty of a ply ing the most r ecent edition s of the stand r ds indicated below Member of IEC and ISO

maintain reg ister of cur ently v al d International Stan dard s

ISO 1919:19 8, R oa d vehicle — M14 × 1,2 spa r k-plugs wih fla t s a ting and their cylnd er hea d housings

ISO 8 92-1:—, Roa d vehicle — Con e tons fr on-boa r d ele tr ic har ne s s — Pa r t 1: Single-pole con e to

tabs — Dimensions a nd spe ific r equir ements

1)

3 Dim ensions a nd tolera nces

3.1 Glow-plug s

S eath-ty pe g low-plug dimensions and tolerances are giv en in Fig ure 1

3.2 Cyl nder hea housing

The dimensions and tolerances of the cy linder hea housing for sheath-ty e g low-plug s are given i n

Figure 2

3.3 Dim ension lm its of threa

The thread s of M14× 1,25 g low-plug s and the cor espon ding ta ped holes in the cy linder hea shal

conform to the threa s specified for M14×1,25 sp rk-plugs in ISO 1919

4 Instal a tion tig htening torque

The instalation tor que v alues shal be as g iv en in Ta le 1 The v lues a ply to new sheath-ty e g low-plug s

without lubr ican t on the thr ea s I thr ea s are lubricated, the torq ue v alue shal be r ed uced b

a prox imately one-th ird to a oid over tres ing

1)

To b published.( Re ision of ISO 8 9 -1:1 8 )

Ta ble 1 — Instal ation tig htening torque

Values in newt on metr es

Tig htening torque

Ca st iron and alum inium cylnde hea ds

M5 te m inal thr a

1)

NOT Eng ine man facturer ma sp cify diferent torques for the fir st glow-plug inst all at ion

1)

Difering sp cificatons a ply to the admis ible tg htening torque ac or ding to the n t used

Fig ure 1 — M14 × 1,2 sheath-type g low- plug with conical seating

B

BS ISO 6550-1:

1994

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