AC 912 Hydro Ignition
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Garden Tractors
Forum Description: A great place to discuss the Simplicity and Allis Chalmers Garden Models
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=106669
Printed Date: 09 May 2024 at 6:42pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: AC 912 Hydro Ignition
Posted By: Albow44
Subject: AC 912 Hydro Ignition
Date Posted: 25 May 2015 at 12:07pm
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Hi there, I am the proud new owner of a 912H. It currently does not run but is in damn good condition considering I only paid $250. It needs an ignition switch and battery, as well as a few other small parts. Problem is, I can't seem to find out exactly which ignition switch I need. If someone could point me in the right direction, I'd be very thankful! |
Replies:
Posted By: irlbeck A-C'S
Date Posted: 25 May 2015 at 1:54pm
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Stens part # 430-249 ------------- B,C,CA,(2)WC's,(4)WD's,(2) WD45'S, 45Diesel, (2)D12'S Series 2, D12 Hiclear,(2)D12 Series 3, HD3, D17NF (3)D17 Series 4 Diesels, M-100 Grader,8550,A few Lawn tractors lots of other AC stuff |
Posted By: Albow44
Date Posted: 26 May 2015 at 10:57pm
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Thanks! Ordered it from Amazon for $10. Just one more question (so far) lol, I'm having some trouble figuring out what battery to buy. I know the service manual, etc call for a 12V 45AH battery, I'm seeing a ton of 12V 35AH but no 45s. Does it matter? Thanks again!! |
Posted By: irlbeck A-C'S
Date Posted: 27 May 2015 at 5:44am
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I have been using lawn and garden batteries with no problems.You can pick one up at any parts house, tractor supply etc. The last one i bought was $30 to $35 and was around 280 cranking amps. Just note which side of the battery you want the hot side on. The models with the R behind it has the + and - reversed. They come with square post on them so i have changed battery cables to match. You could also by the adapters that make a square terminal to a round post. ------------- B,C,CA,(2)WC's,(4)WD's,(2) WD45'S, 45Diesel, (2)D12'S Series 2, D12 Hiclear,(2)D12 Series 3, HD3, D17NF (3)D17 Series 4 Diesels, M-100 Grader,8550,A few Lawn tractors lots of other AC stuff |
Posted By: Albow44
Date Posted: 27 May 2015 at 4:51pm
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Ok cool. Sounds perfect. Mine has the circle adapters. Do by any chance know the deck belt number? Haven't gotten that far yet, but may as well ask while we're at it. Thanks! |
Posted By: irlbeck A-C'S
Date Posted: 27 May 2015 at 5:02pm
 Here is what is listed on the decal under the hood. You could probably cross reference them to another belt. I can check my list of belts when i get back later. ------------- B,C,CA,(2)WC's,(4)WD's,(2) WD45'S, 45Diesel, (2)D12'S Series 2, D12 Hiclear,(2)D12 Series 3, HD3, D17NF (3)D17 Series 4 Diesels, M-100 Grader,8550,A few Lawn tractors lots of other AC stuff |
Posted By: Albow44
Date Posted: 27 May 2015 at 5:11pm
| Oh yeah! Totally forgot that list was under there. |
Posted By: Jim Hancock
Date Posted: 29 May 2015 at 12:40am
| What size is your deck? |
Posted By: Albow44
Date Posted: 29 May 2015 at 4:58pm
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It's a 48" Deck |
Posted By: Albow44
Date Posted: 30 May 2015 at 10:06pm
| Anyone know the part number for the air filter? I found some Kohler ones, just want to make sure. Thanks! |
Posted By: Jim Hancock
Date Posted: 01 Jun 2015 at 5:48pm
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Albow, the belt number at Stens site is this: 248-093 1/2 x 93" .
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Posted By: Jim Hancock
Date Posted: 01 Jun 2015 at 6:11pm
| Air filter and pre cleaner is this if you have a Kohler 12 hp engine: 100-040 Use with 100-750 Pre-Filter |
Posted By: Jim Hancock
Date Posted: 01 Jun 2015 at 6:13pm
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This is Stens brand. This is what I have on my 12 hp Kohler. I even went out and measured it to be sure.
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Posted By: Albow44
Date Posted: 01 Jun 2015 at 8:58pm
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Awesome. Thanks very much. I actually found the air filter after I posted. Now, another newb question... What is the easiest way to change and flush the oil? It's been sitting around for over a year and I would like to flush everything once I get it started. |
Posted By: Toscani NE SD
Date Posted: 01 Jun 2015 at 9:01pm
| someone before you must have added that 48" deck,i think 912's all came with the 42" deck according to original brochures,the 48" was started with the 916,along with wider rear rims and tires. |
Posted By: Albow44
Date Posted: 01 Jun 2015 at 10:09pm
| Hmmmm...hopefully I don't have any trouble hooking it up and cutting some grass. |
Posted By: Jim Hancock
Date Posted: 01 Jun 2015 at 10:19pm
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if you have a 42" deck, the belt number is 248-084 It's 1/2 x 84.
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Posted By: Jim Hancock
Date Posted: 01 Jun 2015 at 10:23pm
| I have a 712 S and a 914 Hydro. Both had 42" decks. |
Posted By: Albow44
Date Posted: 01 Jun 2015 at 11:34pm
| It's definitely a 48" deck. I really wanted a 712 Hydro, that's what my father had when I was a boy. Settled for the 912 for now. Hopefully I can find a 712H and sell this one at some point. Would love to fully restore 712, top to bottom. |
Posted By: Jim Hancock
Date Posted: 02 Jun 2015 at 12:35am
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Irlbeck: Thanks for posting your decal pic as my hood didn't have that under it. So, I just copied it to a pic and saved it to look up the numbers on Sten's site and then go look up my price in their catalog. Much appreciated!
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Posted By: Jim Hancock
Date Posted: 02 Jun 2015 at 12:41am
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Well Irlbeck, I stand corrected. It's there on my 914 Hydro with the top numbers missing, but it says at the top of the decal "For 7100 Series". The decal is not under the hood on my 712S.
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Posted By: Albow44
Date Posted: 02 Jun 2015 at 7:35pm
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Ok, so after installing a new switch, new battery, cables and spark plug...she didn't make a squeak with the key. Traced all connections with a voltameter and discovered no power coming from the starter solenoid. The motor turns when jumped straight from the battery. Would a universal 3 pole solenoid work? I haven't seen anything that resembles the one I took out, at least not new. Thanks! |
Posted By: irlbeck A-C'S
Date Posted: 02 Jun 2015 at 8:23pm
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You're welcome Jim. Glad to help. Do you have power to the lights or elsewhere? You may want to check the circuit breaker or the connections on the breaker. Looking from the front of the tractor, It is a small rectangle box mounted on the wall below and to the left of the solenoid. It will have 2 wires coming out of it. ------------- B,C,CA,(2)WC's,(4)WD's,(2) WD45'S, 45Diesel, (2)D12'S Series 2, D12 Hiclear,(2)D12 Series 3, HD3, D17NF (3)D17 Series 4 Diesels, M-100 Grader,8550,A few Lawn tractors lots of other AC stuff |
Posted By: Albow44
Date Posted: 02 Jun 2015 at 8:51pm
| Didn't seem to have power to anything |
Posted By: irlbeck A-C'S
Date Posted: 02 Jun 2015 at 9:50pm
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Sure sounds like it could be the circuit breaker. I have had them go bad or the post corrode off. The wire usually has a sleeve type connector that pushes on the threaded post. You can loose connection there as well. Some folks will cut the sleeve off and put a connector on the end and tighten it with a nut on the post. The last breaker I bought was at oreillys auto. It was around $3 but the thing i liked was that is was built here in the USA by Littelfuse. Can't buy many things that are built here anymore. ------------- B,C,CA,(2)WC's,(4)WD's,(2) WD45'S, 45Diesel, (2)D12'S Series 2, D12 Hiclear,(2)D12 Series 3, HD3, D17NF (3)D17 Series 4 Diesels, M-100 Grader,8550,A few Lawn tractors lots of other AC stuff |
Posted By: Albow44
Date Posted: 02 Jun 2015 at 10:18pm
| Ok, cool. I'll check it out. I think I may just end up rewiring everything just to be sure. Anyone have a part numbers from Stens for the solenoid? |
Posted By: Steve in NJ
Date Posted: 03 Jun 2015 at 6:44am
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Yeah you are right there Craig ma' man! Its gettin' tougher and tougher. We handle a lot of electrical components from Littlefuse mainly because its USA made. So far we've been dartin' that Chinese crap! As Craig mentioned, all power comes in through the circuit breaker from the Battery. The wiring around the engine area gets so brittle from the heat, that you may have a break somewhere, or like Craig said, corrosion is a big factor on these old Garden Tractors, especially if they were left out in the rain during their life span... To add to the Battery question, I use the small Gell Batteries where you don't have to worry so much about the acid removing the paint off your Tractor especially after putting a nice paint job on them. The group number is a U1 which is used for wheelchairs & recreational equipment. You can pick em' up at Napa to. Their P/N is 8228 I believe. ------------- 39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife |
Posted By: Jim Hancock
Date Posted: 03 Jun 2015 at 11:53am
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I typed in Simplicity solenoid on their site and this is what came up: 435-435 , 435-099 , 435-032 It didn't bring up anything when I typed in Allis Chalmers solenoid. here's their main site: www.stens.com LINK: http://www.stens.com/Portal.aspx?CN=637179B36C57&SEARCH=Simplicity%20solenoid&GCONTENTID=DBC825CBB3E6&RND=42789327003993094
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Posted By: Albow44
Date Posted: 03 Jun 2015 at 8:33pm
| Thanks guys! From what I'm reading, any 3 pole solenoid should work. Steve, I can't find anything that looks similar to the breaker in my tractor. I'll post pics of what's in there as soon as I figure out how lol. |
Posted By: irlbeck A-C'S
Date Posted: 04 Jun 2015 at 7:22am
 Here is where the circuit breaker is located.  Here is a picture of the circuit breaker. One of the post had corroded off.  ------------- B,C,CA,(2)WC's,(4)WD's,(2) WD45'S, 45Diesel, (2)D12'S Series 2, D12 Hiclear,(2)D12 Series 3, HD3, D17NF (3)D17 Series 4 Diesels, M-100 Grader,8550,A few Lawn tractors lots of other AC stuff |
Posted By: Albow44
Date Posted: 04 Jun 2015 at 5:26pm
| Ok, that's where I thought it was. I'll have to dig it out of there this weekend. Does anyone have a parts number for one? I'm pretty sure once that gets replaced, as well as the solenoid she'll start right up. Thanks a million guys! |
Posted By: irlbeck A-C'S
Date Posted: 04 Jun 2015 at 5:32pm
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Talk to Steve at b&b or go to an auto parts store. They make a universal 20A breaker that will replace it. It will have 2 threaded studs and a single hole on the side for mounting it. You may have just a bad connection with the wires to and from the breaker. ------------- B,C,CA,(2)WC's,(4)WD's,(2) WD45'S, 45Diesel, (2)D12'S Series 2, D12 Hiclear,(2)D12 Series 3, HD3, D17NF (3)D17 Series 4 Diesels, M-100 Grader,8550,A few Lawn tractors lots of other AC stuff |
Posted By: Albow44
Date Posted: 04 Jun 2015 at 7:36pm
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http://m.advanceautoparts.com/mt/shop.advanceautoparts.com/p/bussmann-circuit-breaker-20-amps-bp-cbc-20hb-rp/25984935-P?searchTerm=20+amp+circuit+breaker&zoneAssigned=1&prefZC=17044&prefStoredSet=1&un_jtt_redirect Would this be it? |
Posted By: ctbowles58
Date Posted: 04 Jun 2015 at 10:53pm
------------- 190XT 2WD45 WF D15 D14 CA BIG10 302 & 303 bailers 77G rake 80R mower 6 plows and alot more |
Albow44 wrote:Posted By: Albow44
Date Posted: 05 Jun 2015 at 5:54pm
| Just pulled out the circuit breaker. One pole definitely eroded. Good call! |
Posted By: Albow44
Date Posted: 13 Jun 2015 at 5:11pm
| I got the old girl running!! Just need to change the oil and hook up the deck. Any tips? |
Posted By: irlbeck A-C'S
Date Posted: 13 Jun 2015 at 8:48pm
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Make sure all your pulleys and blades are ok and that they spin freely. Inspect the mower drive belt and clean any trash of the top of the deck. It's not hard to install the deck. Turn the wheels hard right. Lower the lift handle fully and pull lift cable down. Slide the deck under the tractor from the left side. Attach lift cable to top of deck. Lift deck with hand lift. Attach the front 2 pins on front of deck to the mounts under the front of the tractor. Attach the belt to the deck and to the drive pulley on the left side of tractor. The belt goes on the inside groove of the pulley on the tractor. The belt tensioner is a black handle located by the left rear wheel. Pull up to tension belt and down to release tension. The oil capacity is about 2 quarts. Just drain and fill with new oil. If you need a manual you can download one at bsintex.basco.com Just do a Google search for allis 900 series manual. ------------- B,C,CA,(2)WC's,(4)WD's,(2) WD45'S, 45Diesel, (2)D12'S Series 2, D12 Hiclear,(2)D12 Series 3, HD3, D17NF (3)D17 Series 4 Diesels, M-100 Grader,8550,A few Lawn tractors lots of other AC stuff |
Posted By: Jim Hancock
Date Posted: 13 Jun 2015 at 9:01pm
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Irl: the link doesn't work or my service/server is on the fritz! ------------- How blessed we are by HIS GRACE! |
Posted By: irlbeck A-C'S
Date Posted: 13 Jun 2015 at 9:06pm
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Sorry I Couldn't get the link to post right from my phone. I'll try to get it posted correctly later. Maybe this will work. If you click on the link it will download as a pdf file https://www.google.com/url?sa=t&source=web&rct=j&url=http://bsintek.basco.com/BriggsDocumentDisplay/default.aspx%3Ffilename%3DheCCEN8csM7rE3CGh54bp796Dq&ved=0CCkQFjAEahUKEwji1v3mjI7GAhWBDZIKHSrWAPo&usg=AFQjCNHN9EW-NXBP_dDorZn9kBuGhPKrpg" rel="nofollow - https://www.google.com/url?sa=t&source=web&rct=j&url=http://bsintek.basco.com/BriggsDocumentDisplay/default.aspx%3Ffilename%3DheCCEN8csM7rE3CGh54bp796Dq&ved=0CCkQFjAEahUKEwji1v3mjI7GAhWBDZIKHSrWAPo&usg=AFQjCNHN9EW-NXBP_dDorZn9kBuGhPKrpg ------------- B,C,CA,(2)WC's,(4)WD's,(2) WD45'S, 45Diesel, (2)D12'S Series 2, D12 Hiclear,(2)D12 Series 3, HD3, D17NF (3)D17 Series 4 Diesels, M-100 Grader,8550,A few Lawn tractors lots of other AC stuff |
Posted By: Albow44
Date Posted: 14 Jun 2015 at 1:30pm
| Thanks again for all the answers! I'm sure I'll have more questions, lol. I do have both manuals, but sometimes it's better to hear from people with experience using/relating things. |
Posted By: Albow44
Date Posted: 12 Jul 2015 at 5:22pm
| Ok guys, she moves!! I just need need some advice on adjusting the carburetor and fuel. Goes for a minute or less then seems to putter out. |
Posted By: Jim Hancock
Date Posted: 12 Jul 2015 at 6:44pm
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Screw the idle mixture screw in all the way and back out 1.5 turns and the high speed needle valve screwed out 2 turns out from bottom. Set your idle screw to a medium idle- not fast/or slow- then adjust your idle mixture valve until it smooths out by finding the midway point between too rich and too lean. Then you may be able to slow the idle down a little to a lower idle speed without it flooding out. Now, open it up to full throttle and adjust the high speed needle valve to the midway point between too rich and too lean for a smooth sound and speed. Check your tank for trash and/or rust plugging your drain. You may need to change the condensor and points if you can't restart it immediately and have to wait for it to cool off. One more thing: Use non ethanol gasoline if you can. HTH.
------------- How blessed we are by HIS GRACE! |
Posted By: Albow44
Date Posted: 22 Jul 2015 at 9:29pm
| So, now it won't start at all. Seems to be having trouble getting fuel, as it will fire up for a few seconds when I use starter fluid. The fuel seems to be flowing in and out of the pump just fine. Any ideas? |
Posted By: Dgrader
Date Posted: 23 Jul 2015 at 7:20am
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Carb probly needs cleaned. Needle valve may be sticking. ------------- Ya cain't fix stupid. |
Posted By: Albow44
Date Posted: 24 Jul 2015 at 12:24pm
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That's what I figured. Haven't done that before, any suggestions or tips would be greatly appreciated! Thanks! |
Posted By: Albow44
Date Posted: 26 Jul 2015 at 12:39pm
Ok, so I removed and cleaned the carburetor, now it just seems to be spewing fuel out of the air intake/choke....I'm perplexed. 
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Posted By: HudCo
Date Posted: 27 Jul 2015 at 11:27am
| did you adjust the valves ? |
Posted By: HudCo
Date Posted: 27 Jul 2015 at 11:35am
| also check valve timing for a broken cam those old cams are starting to break alot but will go in and out of time because there is a shaft through them that keeps them from falling in to two pieces have seen them shear and run and then stop then it moves and then maybe fit back in place agian and run agian for a while |
Posted By: Albow44
Date Posted: 28 Jul 2015 at 6:47am
| The main needle was bent. Ordered a new carb from Amazon. I'll let you guys know if that fixes the problem. More than likely it will. Thanks! |