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| John Deere Tractors Discussion Forum |
Topic: 4230 hard start/hot
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| Gorilla
08-13-2012 20:29:35
166.147.72.28
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My 1978 JD 4230 has always been hard to restart when it"s hot. Everything is fine in cool weather. This problem has got progressively worse. If I cool the injector pump down with cool water it will start right up.
Is this the injector pump or the lift pump?
How hard is it to replace the injector pump? How do I get it back in time?
Thanks
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| buickanddeere
08-14-2012 06:19:40
184.151.63.220
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Re: 4230 hard start/hot in reply to Gorilla, 08-13-2012 20:29:35
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| What is the voltage between the main post on the starter solenoid and the cast body of the starter while cranking?
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| Tx Jim
08-14-2012 04:36:22
67.142.163.22
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Re: 4230 hard start/hot in reply to Ralph Bauer, 08-13-2012 20:29:35
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| Have you tried using a hyd pump destroking screw? If not it's only $15 and it might help engine spin faster to aid cranking problem. If you decide to R&R pump on RH side of clutch housing are 2 holes. The large hole is for inserting an engine turning tool and the small hole is to insert a timing pin when engine is turned to cyl #1 TDC. Remove timing window on inj pump and line timing marks up when engine is at TDC.
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| David G
08-13-2012 20:38:54
205.215.206.18
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Re: 4230 hard start/hot in reply to Gorilla, 08-13-2012 20:29:35
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| Head is worn in pump, got same issue on 4020.
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