Antique Engines and Old Iron
[Home] - [HELP] - [Forums] - [Groups] - [Classified Ads] - [Subscribe] - [Books] - [Sponsors] -

Go Back   SmokStak > SmokStak® Antique Engine Community > Carburetors, Mixers, Fuel Pumps and fuel delivery
Forgot Password? Join Us!


Carburetors, Mixers, Fuel Pumps and fuel delivery Discussion about misc. carbs, mixers, fuel pumps, injectors.

Carburetors, Mixers, Fuel Pumps and fuel delivery

1927 Jaeger engine help

this thread has 3 replies and has been viewed 1656 times

Thread Tools Display Modes
Old 08-08-2014, 06:29:58 PM
Rusty Irons Rusty Irons is offline
Join Date: Nov 2013
Location: Fort Wayne, Indiana, USA
Posts: 10
Thanks: 3
Thanked 0 Times in 0 Posts
Default 1927 Jaeger engine help

Hello again everyone, I'm working on a Jaeger named Hercules engine and it has me pulling my hair out, first a little about him: his name is Dutch and has been in a barn unnoticed for years, now I am bound abd determined to have him running again. I have cleaned the varnish from his tank,line,checkvalve, and mixer. I have the wico mag fireing evenly and plenty hot, I have had him runing and sounding great for about 2 minutes, then the fuel mixer (carb) acts up. Too much, not enough snort snort snort die....choke him and crank again putt putt putt, or nothing. Its a roll of the dice. Has anyone else had this issue? Where do I turn next. Thanks guys
Attached Thumbnails
Click image for larger version

Name:	0808141806.jpg
Views:	91
Size:	74.1 KB
ID:	202499   Click image for larger version

Name:	0808141806a.jpg
Views:	86
Size:	41.9 KB
ID:	202500   Click image for larger version

Name:	0808141806b.jpg
Views:	84
Size:	70.0 KB
ID:	202501  
Reply With Quote
Sponsored Links
Old 08-11-2014, 02:03:11 PM
BobRR BobRR is offline
Join Date: Oct 2004
Location: Ypsilanti, Michigan, USA
Posts: 3,309
Thanks: 8,444
Thanked 1,373 Times in 929 Posts
Default Re: 1927 Jaeger engine help

Some engines like some choke all the time. Get it started and leave choke part way on and adjust needle valve till runs smooth. See if that helps. Bob
Reply With Quote
Old 08-11-2014, 04:19:47 PM
Glenn Ayers Glenn Ayers is offline
Join Date: Oct 2005
Location: Bethany, West Virginia, USA
Posts: 1,785
Thanks: 2,136
Thanked 2,192 Times in 877 Posts
Default Re: 1927 Jaeger engine help

Sounds like maybe the check ball isn't sealing properly all the time.
Check ball isn't so critical when the engine was running full governed rpm under load .... but becomes VERY CRITICAL when these engines are slowed down to "Show" rpm's. The longer "coasting" times let the gas fall back to the tank ... then when the engine needs that snort of fuel before it loses that last final momentum rotation .. the fuel isn't there. It then needs a few revolutions under valve (suction) to pull the fuel back up.

I have a Jeager 3F that runs super slow ... with no choke. This is only possible with a properly functioning check ball.
Reply With Quote
Old 09-24-2014, 12:21:55 PM
Andrew Mackey Andrew Mackey is offline
Join Date: Nov 2004
Location: Rockaway, New Jersey USA
Posts: 14,103
Thanks: 1,993
Thanked 6,735 Times in 4,280 Posts
Exclamation Re: 1927 Jaeger engine help

1) Make sure the check is free of debris and varnish. Clean out and try blowing and sucking on the fuel line, to be sure it closes reliable each time you blow back into it. 2) Make sure their is no loose debris in the fuel tank. 3) Check the intake valve to see that it does not have excessive valve stem clearance. If the stem wobbles in the bore more than about 10 thousandths, then it will need to be bored and bushed, or a larger diameter stemmed valve be used after reaming the bore to size. 4) Make sure the intake valve spring closes the valve easily. 5) Make sure the exhaust valve spring is in good condition (strong and no paint, pits, or rust on the spring. A weak exhaust valve spring will present the problems you are giving. Lastly, hold the high tension wire about 1/8" off the plug, while the engine is running. See if spark goes away, once the engine warms up - possibly a bad condenser. One of those neon spark testers will work well here too.
Reply With Quote


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

F o r u m Jump

Similar Threads Chosen at Random
Thread Thread Starter F o r u m Replies Last Post
1928 Jaeger/Hercules 1927 IHC/Model M / 1945 Maytag 72 Twin clgill57 Hit & Miss Gas Engine Discussion 2 07-28-2014 03:19:52 AM
1927 Ruston Hornsby 500 Bhp Oil Engine Donald A Smith Vintage Diesel and Oil Stationary Engines 8 09-21-2011 08:31:47 PM
3hp Jaeger engine help please! mccormick98 Hit & Miss Gas Engine Discussion 2 05-08-2011 10:02:50 PM
Jaeger Engine Monroe Johnson Hit & Miss Gas Engine Discussion 1 09-20-2005 11:16:23 PM
Jaeger engine Selina M. Knight Antique Engine Archives 1 09-12-2003 05:48:43 AM

Use "Ctrl" mouse wheel to change screen size.
All times are GMT -4. The time now is 02:00:44 PM.

Smokstak and Enginads site search!

All use is subject to our TERMS OF SERVICE
SMOKSTAK® is a Registered Trade Mark - A Community of Antique Engine Enthusiasts
Copyright © 2000 - 2019 by Harry Matthews P.O. Box 5612 - Sarasota, FL 34277