The schematics that I’ve drawn, are I believe, the way the Cub is wired from what I see on my Cub and what's in the operators manual. It is set up as a 6 volt positive ground. If you want to test a Neg. ground system just reverse the leads on your meter. (test light doesn’t matter)
Don’t assume I’m correct. If I have something wrong or I should add a test let me know. Thanks to Landreo and Eugene for expressing their interest in a schematic version and for their input. And as before, per brichters request, I tried to keep it simple.
These tests shown here are for a no spark scenario with a distributor ignition. I assume that if you know you have no spark that you do have battery voltage. These tests should work on almost any similar engines, including single cylinder. The sequence may differ slightly and some may not be needed depending on how the unit is wired. Also remember, each Test diagnosis is based on having passed the previous test. Make sure you always have a good connection with the meter or the test light.
The Pos. of the meter or one side of a test light goes to the Pos. (+) post of the battery or to a good ground, for all the tests shown here. For all of these tests a volt - ohm meter or a test light will work.
If after the tests you can’t find the problem, then the condenser or the coil is bad. I believe how to check these may be in the “HOW TO FORUM”
This site uses cookies to maintain login information on FarmallCub.Com. Click the X in the banner upper right corner to close this notice. For more information on our privacy policy, visit this link: Privacy Policy
NEW REGISTERED MEMBERS: Be sure to check your SPAM/JUNK folders for the activation email.
Ignition tests schematics (large post)
Forum rules
Notice: For sale and wanted posts are not allowed in this forum. Please use our free classifieds or one of our site sponsors for your tractor and parts needs.
Notice: For sale and wanted posts are not allowed in this forum. Please use our free classifieds or one of our site sponsors for your tractor and parts needs.
- birddog
- 10+ Years
- Posts: 505
- Joined: Fri May 05, 2006 12:00 am
- Zip Code: 54515
- Circle of Safety: Y
- Location: WI, Catawba
Ignition tests schematics (large post)
Mark "birddog" Birdeau
- Rudi
- Cub Pro
- Posts: 28706
- Joined: Sun Feb 02, 2003 8:37 pm
- Zip Code: E1A7J3
- Skype Name: R.H. "Rudi" Saueracker, SSM
- Tractors Owned: 1947 Cub "Granny"
1948 Cub "Ellie-Mae"
1968 Cub Lo-Boy
Dad's Putt-Putt
IH 129 CC
McCormick 100 Manure Spreader
McCormick 100-H Manure Spreader
Post Hole Digger
M-H #1 Potato Digger - Circle of Safety: Y
- Twitter ID: Rudi Saueracker, SSM
- Location: NB Dieppe, Canada
- Contact:
Re: Ignition tests schematics (large post)
Mark:
That is simply awesome
That is simply awesome
Confusion breeds Discussion which breeds Knowledge which breeds Confidence which breeds Friendship
- birddog
- 10+ Years
- Posts: 505
- Joined: Fri May 05, 2006 12:00 am
- Zip Code: 54515
- Circle of Safety: Y
- Location: WI, Catawba
Re: Ignition tests schematics (large post)
Thanks Rudi; It hasn't been getting to many views and with no comments I thought it may not be what folks wanted or no one even cared.
I have the schematics for the charging system almost done, so they will be coming shortly. I also have a test stand/ mock up pretty much done. I haven't decided yet though if I'll do the photo thing yet like I did with the Ignition system. (probably though if folks want it)
I have the schematics for the charging system almost done, so they will be coming shortly. I also have a test stand/ mock up pretty much done. I haven't decided yet though if I'll do the photo thing yet like I did with the Ignition system. (probably though if folks want it)
Mark "birddog" Birdeau
- Bus Driver
- 10+ Years
- Posts: 2917
- Joined: Sat Feb 11, 2006 5:26 pm
- Location: NC
Re: Ignition tests schematics (large post)
It represents lots of thought and work. And for the novice working on Cubs, it offers an ability to diagnose if one follows the material carefully. Good job.
Luck favors those who are prepared
- Rudi
- Cub Pro
- Posts: 28706
- Joined: Sun Feb 02, 2003 8:37 pm
- Zip Code: E1A7J3
- Skype Name: R.H. "Rudi" Saueracker, SSM
- Tractors Owned: 1947 Cub "Granny"
1948 Cub "Ellie-Mae"
1968 Cub Lo-Boy
Dad's Putt-Putt
IH 129 CC
McCormick 100 Manure Spreader
McCormick 100-H Manure Spreader
Post Hole Digger
M-H #1 Potato Digger - Circle of Safety: Y
- Twitter ID: Rudi Saueracker, SSM
- Location: NB Dieppe, Canada
- Contact:
Re: Ignition tests schematics (large post)
Mark:
If you would do the charging tests and test stand as well complete with pics that would be priceless and as Bus Driver said, it sure would help the new members/novices. This is good stuff, lots of work and yeah I have an idea just how much work, but in the end it will be an invaluable addition to the resources in this community. BZ my friend ... top flight really top flight
So while you may not get a lot of comments or views right off, have no fear, it will happen and yeah.... we care
If you would do the charging tests and test stand as well complete with pics that would be priceless and as Bus Driver said, it sure would help the new members/novices. This is good stuff, lots of work and yeah I have an idea just how much work, but in the end it will be an invaluable addition to the resources in this community. BZ my friend ... top flight really top flight
So while you may not get a lot of comments or views right off, have no fear, it will happen and yeah.... we care
Confusion breeds Discussion which breeds Knowledge which breeds Confidence which breeds Friendship
- Mr E
- Cub Pro
- Posts: 5762
- Joined: Mon Jul 30, 2007 11:48 am
- Zip Code: 32460
- eBay ID: noles1432460
- Circle of Safety: Y
- Location: FL, Sneads
- Contact:
Re: Ignition tests schematics (large post)
Thanks, Mark. We appreciate your hard work.
In the middle of every difficulty lies opportunity. - Albert Einstein
.
Roy Edenfield
Deep South CubFest #10
February 14 & 15, 2020
.
Roy Edenfield
Deep South CubFest #10
February 14 & 15, 2020
- Tezell
- 10+ Years
- Posts: 2253
- Joined: Fri Sep 10, 2010 5:23 pm
- Zip Code: 39861
- Tractors Owned: 76 Cub Denim Springs
49 Cub Denim Springs
51 Cub Uncle Harvey
"Jacksonville" 53 Cub
"Jackson" 76 Cub
"Louie" 64 Cub Fast Hitch
"Paw Paw"71 Cub Fast
Hitch
"Alvin" 72 Cub
"Ugly" 75 Cub
76 Cub Val
Mr. Kirkland" 77 Red Cub
77 Cub "Russell
76 Cub w/fast hitch "Edgar"
76 - 185 Cub Lo Boy
John Deere 2003 - 5320
Kubota 7060
Kubota 5400
Kubota 2680
John Deere 445
TO20 Ferguson - Circle of Safety: Y
- Location: Jakin Georgia
- Contact:
Re: Ignition tests schematics (large post)
I think even I could follow that.
Excellent job Mark.
Excellent job Mark.
"I ain't believing this!"
- tractordad
- 10+ Years
- Posts: 1475
- Joined: Sat Sep 12, 2009 1:36 pm
- Zip Code: 01516
- Tractors Owned: 48 Cub w/ IH C2 mower
50 High wide "demo" cub with dual fertilizer hoppers
51 high wide cub w/474 planter
62 High wide cub w/ fast hitch
72 High wide w/cultivators
75 Red Long stripe w/fast hitch & C2 mower
76 Red long stripe w/IH 1000 loader & duals
77 long stripe with IH C2 belly mower
55 Super AV w/cultivators
56 Super AV
57 130 High crop w/cultivators
1 IH 574 w IH 2250
quick hitch loader - Circle of Safety: Y
- Location: Douglas, MA
Re: Ignition tests schematics (large post)
Wow, this is great. Thanks for the effort. I know I will put this to use.
- Dale Finch
- 10+ Years
- Posts: 6677
- Joined: Tue Apr 27, 2010 11:34 am
- Zip Code: 27517
- Tractors Owned: '51 Cub #140966 "Bruno" with Woods 59 mower
'55 Cub #187541 "Betty" with Fast Hitch
'55 Cub #190482 "Ben" with Woods 42 mower
'55 Cub #191739 "Bertha" with Woods 42 mower
'56 Cub #194370 "Boris" with Mott Flail mower - Circle of Safety: Y
- Location: NC, Chapel Hill
Re: Ignition tests schematics (large post)
WOW! What a spectacular production! Thank you SO much. I procrastinated even opening this, because I knew I would want to print it off and add it to my How To file, but wasn't at my printer. As a (former) EE person, I appreciate all the work you did, and know it will be put to good use.
Thank you again!!
Thank you again!!
Who is online
Users browsing this forum: No registered users and 46 guests