![]() |
This site is not affiliated with AGCO Inc., Duluth GA., Allis-Chalmers Co., Milwaukee, WI., or any surviving or related corporate entity. All trademarks remain the property of their respective owners. All information presented herein should be considered the result of an un-moderated public forum with no responsibility for its accuracy or usability assumed by the users and sponsors of this site or any corporate entity. | |||||
| The Forum | Parts and Services | Unofficial Allis Store | Tractor Shows | Serial Numbers | History | |
G valve adjustment and associated frustrations |
Post Reply
|
| Author | |
AnnArborAllis
Bronze Level
Joined: 18 Jun 2014 Location: United States Points: 9 |
Post Options
Thanks(0)
Quote Reply
Topic: G valve adjustment and associated frustrationsPosted: 10 Mar 2017 at 1:41pm |
|
I'm 47, so hardly an "old guy", but was feeling a little old this week. I'm bringing my grandfather's G back up to snuff and decided to adjust the valves while I had the carb off. I'm glad I did as there was a stuck valve. I now have a new valve kit installed, adjusted, and the engine back together. Now my frustration.... you would not believe how hard it has been to find a valve spring compression tool and tappet wrenches. Of all the places I checked, Sears had the valve spring tool. I had to get tappet wrenches at Grainger. Over a week to find everything! I realized how few people know how to adjust non-hydraulic valves these days (or actually do it). While working on it, I called my 9 year old over to explain how the engine worked and what I was doing and he was interested. So, I guess the message is to make sure we all pass on the knowledge and that there is incredible value in a good tool set.
|
|
![]() |
|
| Sponsored Links | |
![]() |
|
dt1050
Orange Level
Joined: 05 Jul 2011 Location: central pa Points: 1078 |
Post Options
Thanks(0)
Quote Reply
Posted: 10 Mar 2017 at 2:12pm |
|
had an 8n with a bad valve, wasn't sure if maybe it burned a valve or not so, I went into an auto parts store to get grinding compound, spring compressor, etc. just in case. they looked at me like I had 3 heads.
![]() borrowed a compressor from a friend. found out it was just a stuck valve, by then I was so ticked off I forgot about compressing the valve spring, pulled the retaining clip and the valve shot out of the block and bounced off the metal roof on the garage.... glad I wasn't looking right over the valve.
|
|
|
Just cause it's orange don't make it a tractor, there's only one..Allis Chalmers
|
|
![]() |
|
Stan IL&TN
Orange Level
Joined: 13 Sep 2009 Location: Elvis Land Points: 6730 |
Post Options
Thanks(0)
Quote Reply
Posted: 11 Mar 2017 at 10:19am |
|
I got most of my hands on smarts with ATV and motorcycle engines so the jump to tractors was the same just more of them to adjust. There are still quite a few modern street bikes that require adjustment out there including mine and remember that any project is an opportunity to acquire more tools.
|
|
|
1957 WD45 dad's first AC
1968 one-seventy 1956 F40 Ferguson |
|
![]() |
|
CrestonM
Orange Level
Joined: 08 Sep 2014 Location: Oklahoma Points: 8457 |
Post Options
Thanks(0)
Quote Reply
Posted: 11 Mar 2017 at 12:02pm |
Lol!! Those valves are pretty unique, in the way they come out as a complete unit. Never seen another engine with them that way. You must've pulled pretty hard on that valve keeper to get past all the pressure of that spring! A buddy made a tool for me that I put in the exhaust and intake ports to depress on the guide to release the pressure to get the keeper out.
|
|
![]() |
|
Bob-Maine
Orange Level
Joined: 11 Sep 2009 Location: Central Maine Points: 922 |
Post Options
Thanks(0)
Quote Reply
Posted: 11 Mar 2017 at 12:26pm |
|
AnnArbor, I restored my G a few years ago. Took to block to a machinist to hot tank it and install new valves. Got it back less than clean so I finished the cleaning myself. Thought I'd check the valve clearances and found that they had not been adjusted. Not having tappet wrenches, I ground some Chinese wrenches thin and used them. I really hate to pay someone to do something they didn't do. Will never use him again. Bob@allisdowneast
|
|
|
I used to think I was indecisive, but now I'm not sure.
|
|
![]() |
|
Dusty MI
Orange Level
Joined: 13 Sep 2009 Location: Charlotte, Mi Points: 5060 |
Post Options
Thanks(0)
Quote Reply
Posted: 11 Mar 2017 at 5:40pm |
|
Talking about the G and valves, I'll a some what related question.
A few short years ago I took the engine to my G in had had the valves ground. The compression varied. Now the compression is good but I have a knock when not under load. Should I worry? Thanks Dusty
|
|
|
917 H, '48 G, '65 D-10 series III "Allis Express"
|
|
![]() |
|
dt1050
Orange Level
Joined: 05 Jul 2011 Location: central pa Points: 1078 |
Post Options
Thanks(0)
Quote Reply
Posted: 12 Mar 2017 at 6:31am |
|
by the time I ran all over to the place getting parts I was rather
at that I tend to apply a bit more force to things. I found that a pair of fencing plyers work great for pulling the retaining clip. of course that's when ya don't have the spring compressor in there....lol
|
|
|
Just cause it's orange don't make it a tractor, there's only one..Allis Chalmers
|
|
![]() |
|
Post Reply
|
|
|
Tweet
|
| Forum Jump | Forum Permissions ![]() You cannot post new topics in this forum You cannot reply to topics in this forum You cannot delete your posts in this forum You cannot edit your posts in this forum You cannot create polls in this forum You cannot vote in polls in this forum |