[AT] Glow plugs

[Cecil Bearden]

3-5 seconds is longer than you think, I will agree.  However cranking 
that long ensures there is oil in most of the bearings. An immediate 
start can subject the bearings to a lot of wear. AJohn Deere 170 skid 
steer followed me home Wednesday.  That old Wisconsin takes a good 10-15 
seconds of cranking to fire up if it has been sitting for a day...  Just 
a typical Wisconsin engine...
Cecil

On 8/18/2019 9:23 PM, Mike M wrote:
> Thanks for the input guys, I think I'll stick to using the glow plugs 
> given the price of a quality battery these days. My tractor starts 
> really quickly, more like Che-che-che-vroom. I usually turn the key to 
> the on position, make a lap or two around the tractor to check for 
> stuck twigs etc, then start it
>
> Best regards,
> Mike M
>
> On 8/18/2019 6:55 PM, Stephen Offiler wrote:
>> Pretty much agreed with Cecil, except, maybe, the 3-5 second rule of 
>> thumb.  5 seconds of cranking is actually a LONG time.  Think about 
>> it: 
>>  Che-che-che-che-che-che-che-che-che-che-che-che-che-che-che-che-che-che-che-VRoooommm. 
>> I'd probably cap it at 2-3 seconds myself.  On the other hand, 
>> "starts fine" is what Mike M said, so that's probably not an extended 
>> cranking period.  I guess the issue would be raw diesel fuel washing 
>> the oil off the cylinder walls.  That's a concern, but I think it 
>> would take many years of abusive starting to trash the engine.
>>
>> SO
>>
>>
>> On Sun, Aug 18, 2019 at 6:16 PM Cecil Bearden <crbearden at copper.net 
>> <mailto:crbearden at copper.net>> wrote:
>>
>>     If it fires up quickly without a lot of smoke I would not be
>>     concerned.
>>     Many of the newer eastern european tractors will start in near zero
>>     weather without glow plugs.   My opinion is that if the tractor will
>>     start easily with 3 to 5 seconds of cranking without a cloud of
>>     white
>>     smoke, then the glow plugs were not needed.   My D6D Cat states
>>     to use
>>     the glow plugs when below 75deg.  It does not need them at 75 at
>>     all.  I
>>     always let it warm up a little before moving also...
>>     Cecil
>>
>>     On 8/18/2019 4:22 PM, Mike M wrote:
>>     > I have a question for the list regarding glow plugs.  I have a
>>     newer
>>     > compact tractor with a 3 cyl diesel. It starts fine in warm
>>     weather and
>>     > even cool weather >40 without using the glow plugs. Am I doing
>>     any harm
>>     > by by not using them in warm weather? Thanks for any input, the
>>     manual
>>     > is not helpful.
>>     >
>>     > Regards,
>>     > Mike M
>>     >
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