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Sorry took so long getting back to you. Primer Kit

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Dennis Thate

Joined: 18 Nov 2010
Posts: 362

Posted: Sat Dec 03, 2011 9:34 am Post subject: Sorry took so long getting back to you. Primer Kit

Hi Dennis, 



Was your 503 hard to start? 



Does it also have a choke? 



Thanks, 

David d.



.....Dave..



Once again my thread seemed to get hijacked and stuffed with random conjecture.

The primer kit did not solve the problem, but there is a host of other things I have to check also. But it's damned cold and my hangar is not heated.



503's are usually very easy to start, so something is wrong. If the engine set up is good, by that I mean carb settings, compression, plugs etc, the usual problem for hard starting is the stator having become weak....  or too, trigger coils breaking down ,... or the primer will not be so effective if the idle is set too high....or maybe,... is the pulse pump working properly? and /or is the pulse pump installed correctly. 



All things I will go  methodically check out, and post my findings so others lurking may benefit from it............

Regards,

 Dennis

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David d.

Joined: 04 Jul 2011
Posts: 60
Location: Fitzgerald Ga.

Posted: Sat Dec 03, 2011 4:10 pm Post subject: Re: Sorry took so long getting back to you. Primer Kit

Dennis,

Yep it was hijacked a bit, but all was relevant.

John Hauk made a good suggestion about spark plug gap. Could be something that you could also check.



Lots of trouble shooters look for very complex problems, when it may be something very simple and easily overlooked.



Good luck on your findings in that cold hangar.



David d.

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Kolb Mark IIIX 582 Blue head

John Hauck

Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

Posted: Sat Dec 03, 2011 4:54 pm Post subject: Sorry took so long getting back to you. Primer Kit

Lots of trouble shooters look for very complex problems, when it may be

something very simple and easily overlooked.



David d.

Kolbers:



Engines and their related systems change little from the time you shut them

down, operating normally, until the next time one tries to start and operate

them.



Electronic ignition modules and related parts usually do not fail when the

engine is not operating.



Once started, a Rotax will operate normally with excessive spark plug gap.

However, after shut down, the engine may not restart, not even fire a single

cylinder, giving the operator the feeling his ignition module has failed.



john h

mkIII

Titus, Alabama

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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama

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