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john deere 612 oil level checking?
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farmnmn
Posted 9/24/2014 18:57 (#4091757)
Subject: john deere 612 oil level checking?


Walnut Grove, MN.

on the corn head there are 2 spots to check the gear oil on the head. would running the head for a few minute make it easier to remove the plugs?

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3bff
Posted 9/24/2014 20:47 (#4092050 - in reply to #4091757)
Subject: RE: john deere 612 oil level checking?


central Ia.
On our 612 there is a dipstick attached to the plug located in between the gathering chains. We use an allen socket on an impact to remove.
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Lizben
Posted 9/24/2014 21:06 (#4092106 - in reply to #4092050)
Subject: RE: john deere 612 oil level checking?


North central Iowa
The plugs on the chopper drive gear box are very hard to get out. A good coat of never seize helps. Steel plugs in a aluminum case makes for skinned knuckles.
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farmnmn
Posted 9/24/2014 21:37 (#4092251 - in reply to #4092106)
Subject: RE: john deere 612 oil level checking?


Walnut Grove, MN.

whats the best size allen wrench to use? i been using a 5/16, a metric 8 fits to

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texasfarmer87
Posted 9/24/2014 21:41 (#4092270 - in reply to #4092251)
Subject: RE: john deere 612 oil level checking?


Farwell, Tx
And also do you check it with header on ground or up all the way?
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farmnmn
Posted 9/24/2014 21:52 (#4092312 - in reply to #4092270)
Subject: RE: john deere 612 oil level checking?


Walnut Grove, MN.

book says up with cylinder block down and thats where its at.

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Green Iron
Posted 9/24/2014 21:54 (#4092318 - in reply to #4092270)
Subject: RE: john deere 612 oil level checking?



Warm header and check all gear cases with it fully raised. According to manual. Just did this last week.
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cultivator
Posted 9/26/2014 08:13 (#4094595 - in reply to #4091757)
Subject: RE: john deere 612 oil level checking?


ND
We replaced all the allen plugs with square drive plugs when we went through ours the last time. Saves time and hassle since about half of them had to get taken out with an extractor
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Chad H
Posted 9/26/2014 14:55 (#4095017 - in reply to #4092251)
Subject: RE: john deere 612 oil level checking?


NE SD
Metric is the one you want. Go buy an impact set and use an impact wrench to remove them. Reinstall them with a small ratchet...and not very tight.
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