Fw: [AT] IH B275 Diesel

[charlie hill]

> Here you go Dean.
>
> Charlie
>
> I'd like to add one comment to this well worn thread.  Not that I know
> anything about these particular glow plugs but I did try to research them
> online and this is what I found.
>
> http://www.glowplugs.com/results_cross.asp?pid=AG+28&x=37&y=14&seenCrossWarning=1
>
> It says that Champion does not have that glow plug any longer and it has
> been replaced by CH28 which it describes as follows.
> 18mm installation thread with exposed heating element - hairpin, 13/16"
> reach, M18x1.50 thread size, 0.9V 36W electrical rating
>
> Charlie
>
> ----- Original Message ----- 
> From: "Dean VP" <deanvp at att.net>
> To: "'Antique tractor email discussion group'" 
> <at at lists.antique-tractor.com>
> Sent: Tuesday, December 12, 2006 3:08 PM
> Subject: RE: [AT] IH B275 Diesel
>
>
>> Charlie:
>>
>> That one didn't make it to me. Could you repost it?  Thanks.
>>
>> Dean A. Van Peursem
>> Snohomish, WA 98290
>>
>> "He who makes decisions in haste repents at his leisure."
>>
>> www.deerelegacy.com
>>
>> http://members.cox.net/classicweb/email.htm
>>
>>
>> -----Original Message-----
>> From: at-bounces at lists.antique-tractor.com
>> [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of charlie hill
>> Sent: Tuesday, December 12, 2006 6:45 AM
>> To: Antique tractor email discussion group
>> Subject: Re: [AT] IH B275 Diesel
>>
>> Dean,  I posted a web link the other  day that shows the replacement glow
>> plug.  It was rated at .9V
>>
>> Charlie
>> ----- Original Message ----- 
>> From: "Dean VP" <deanvp at att.net>
>> To: "'Antique tractor email discussion group'"
>> <at at lists.antique-tractor.com>
>> Sent: Tuesday, December 12, 2006 8:56 AM
>> Subject: RE: [AT] IH B275 Diesel
>>
>>
>>> Ron:
>>>
>>> We have made two assumptions here. Assumption one is that these glow 
>>> plugs
>>> are supposed to be wired in series. And the second is that they are 
>>> rated
>>> at
>>> 0.9V. If either one of these assumptions is incorrect then we are 
>>> fencing
>>> with windmills and all that follows here will be incorrect.
>>>
>>> I just looked up some typical resistance on glow plugs and the ones I
>>> looked
>>> at were 1.5 ohm at 12v or around 100 watts. To develop 100 watts at 0.9 
>>> V
>>> we
>>> would have to have 110 amps of current. So something doesn't compute. 
>>> What
>>> is the part number of the replacement glow plug and what is it's wattage
>>> and/or voltage rating?
>>>
>>> The reason the glow plugs are burning up is probably the coil (ballast
>>> resistor between the 12V source and the first of the in series glow 
>>> plugs)
>>> resistance is not appropriate for the system and too much current is
>>> flowing. For example if that coil is shorted out the lowest wattage 
>>> rated
>>> glow plug will blow out immediately. Which sounds like what is 
>>> happening.
>>> the coil resistance should be at least 10 times the resistance of the
>>> individual glow plug resistance if the 0.9V rating has any merit which I
>>> am
>>> beginning to doubt quite seriously.
>>>
>>>
>>> Dean A. Van Peursem
>>> Snohomish, WA 98290
>>>
>>> "He who makes decisions in haste repents at his leisure."
>>>
>>> www.deerelegacy.com
>>>
>>> http://members.cox.net/classicweb/email.htm
>>>
>>>
>>> -----Original Message-----
>>> From: at-bounces at lists.antique-tractor.com
>>> [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of
>>> rdhaskell at juno.com
>>> Sent: Monday, December 11, 2006 11:11 PM
>>> To: at at lists.antique-tractor.com
>>> Subject: Re: [AT] IH B275 Diesel
>>>
>>> This crazy tractor is giving me fits.  I bought one new glow plug and
>>> compared the resistance to my plugs and found I had two bad glow plugs.
>>> I also bought an new resistor/indicator.  Wired it according to the
>>> diagram.  Tested it and the indicator did not show anything, checked the
>>> voltage along the line and found number two glow plug (a new one) had
>>> melted. Checked the wiring and everything was according to the diagram.
>>> Bought another glow plug and tried it again with the same results, 
>>> number
>>> two melted.  This system sucks, the voltages can only be checked when
>>> energized but the glow plug only lasts a coupe of seconds.  Who would
>>> know if there are 12v glow plugs that will fit directly in the head?  I
>>> am even considering drilling these out to fit another design glow plug.
>>> Any advise?
>>>
>>> Ron Haskell
>>> rdhaskell at juno.com
>>> Riverside, California
>>> USA
>>> http://albums.photo.epson.com/j/AlbumList?u=3009370&f=0
>>> _______________________________________________
>>> AT mailing list
>>> Remembering Our Friend Cecil Monson 11-4-2005
>>> http://www.antique-tractor.com/mailman/listinfo/at
>>>
>>>
>>>
>>> _______________________________________________
>>> AT mailing list
>>> Remembering Our Friend Cecil Monson 11-4-2005
>>> http://www.antique-tractor.com/mailman/listinfo/at
>>
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>>
>>
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>