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172 cylinder head nut loosening order??

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hzl6cm

01-06-2008 09:06:17

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I'm working on pulling the cylinder head on my '63 961 and got to the point where I am ready to loosen the nuts on the rocker arm and cylinder head and finally looked at my shop manual only to find out that there is no specified loosening order - it just says remove the bolts. Do I just pick my own order and do it a half turn at a time or is there an order that works better. I am used to pulling heads on cars and there is always a specified loosening order. Thanks - I'm trying to get it all done today since the tractor is outside and I am able to work today in a t-shirt since it is about 60 degrees - rare for an early January day in Missouri!

Kevin

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NWMO 901 SOS

01-06-2008 20:08:31

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Re: 172 cylinder head nut loosening order?? in reply to rjacksonky, 01-06-2008 09:06:17

Hey jb, a 20' fall wouldn't do ya any good, but if you have enough snow you have to shovel it off the roof, it probably wouldn't kill ya either. :D
Chris

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hzl6cm

01-06-2008 15:13:38

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Re: 172 cylinder head nut loosening order?? in reply to Cvan, 01-06-2008 09:06:17

old said: (quoted from post at 13:03:12 01/06/08) Do it like you would on a car head. Pretty much use what you know about doing it that way and you will be just fine. What part of misery are you in or should I say Missouri. I'm at the lake of the Ozarks.
Hobby farm

I'm just Southeast of Odessa (which is at exit 37 on I-70). We are about 45 minutes from Clinton. We go down to Truman Lake quite a bit, not so much to Lake of the Ozarks though.

Kevin

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hzl6cm

01-06-2008 15:11:23

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Re: 172 cylinder head nut loosening order?? in reply to Ken Crisman, 01-06-2008 09:06:17

Thanks everybody for the info. Head bolts all came right out, and I popped the head right off by putting the plugs back in, vice gripping the battery ground cable to the battery tray and hitting the starter - popped it right off. I should have checked the torque of the bolts when I took them off becuase I don't think they were tight enogh - I used a breaker bar and they seemed to break loose with very little effort - that may be why I blew the head gasket.

Kevin

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GlenIdaho

01-06-2008 13:19:00

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Re: 172 cylinder head nut loosening order?? in reply to hzl6cm, 01-06-2008 09:06:17

Inc ase you don't have the torque specs and tightening order, here's a photo.

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old

01-06-2008 12:03:12

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Re: 172 cylinder head nut loosening order?? in reply to hzl6cm, 01-06-2008 09:06:17

Do it like you would on a car head. Pretty much use what you know about doing it that way and you will be just fine. What part of misery are you in or should I say Missouri. I'm at the lake of the Ozarks.

Hobby farm

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john in la

01-06-2008 09:33:43

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Re: 172 cylinder head nut loosening order?? in reply to hzl6cm, 01-06-2008 09:06:17

No specified loosening order. Just get after it with the air gun.

Headed back outside myself. 73° right now

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john_bud

01-06-2008 16:41:52

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Re: 172 cylinder head nut loosening order?? in reply to john in la, 01-06-2008 09:33:43

Oh sure, heading out into 73 degree weather or working on your tractor in shirt sleeves and 60+ degrees. And I spend the day shoveling snow off the roof and chipping ice from the eves while staring over a 20' drop of death.

I'd much rather be popping the head off'n a tractor!

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