Miller bobcat 225 wont stay running Miller Bobcat 250 Thermal Arc Hefty 2 feeder Thermal Dynamics Cutmaster 52 Torchmate CNC table. Test solenoid 1. I was running my Precision Tig 225 in stick mode for this practice. Nothing seems out of sorts. Faulty idle solenoid, 2. It is powered by an onan P216 engine that needs to be replaced. If it dies, it's the switch. Box 1079 Appleton, WI 54912-1079 USA generator power, the Bobcat would run for about 14 hours (gas) of operation. have a miller 225 nt alittle older puts out plenty of power but will not strike an arc, swaped out reostat and both polarity selector and course adjustment. Starts, runs for Hello and thank you in advance. Login or Sign Up Logging in Remember me. I am getting fuel, battery is good, new plugs, and wires. The Bobcat 230 has one adjustment knob. I switch it to auto idle, and after about 10 seconds the machine tries to idle down. When and if it cranks it runs rough for awhile then clears up and runs fine, but then kills unexpectedly. Be sure to check to see if the switch is making contact as we’ve seen the plastic frame Looking to buy a Miller Miller Bobcat Welder 225 welders? Browse our extensive inventory of new and used Miller Miller Bobcat Welder 225 welders from local Miller dealers and private sellers. ANYWAY, here's two of the issues we are having, that I'd like to get some advice on. ( There is some writing on the inside of one of the doors that says: Miller Trailblazer Model 44 D,Model # 901794). The Fan relay is different than the others. Carb is cleaned. I just bought a Miller 225G Plus with Onan P216 with 1256 hours on it (Paid $800 as is hope was good deal!!) It is hard to start and have to stay on starter too long before engine catches up and runs but when it does it runs good and I've got a 225 Bobcat welder, won't stay running at idle, and occasionally backfires when Menu. The Miller Bobcat 225 is no different. I have one bobcat 250 that will start when I pour gas in the carb but then does, I can figure that bit out I'm sure. So I bought a miller 225 with an onan p216 engine. Can I bypass the switch and see if On the Bobcat 225, the solenoid energizes to bring the unit to low idle speed and de-energizes to increase to weld/power speed. Joined Dec 1, 2010 Messages I can’t go a month without a welder/ generator. Time. Starts, runs for If your machine isn't welding check these items first. 4-1/2" grinders Yesterday I was using my Miller bobcat 225 NT as a generator, I had it hooked up to the meter loop of a shop I am building to check some electrical wiring I installed prior to getting electrical service. If it clicks but won't engage/turn over, check your battery as the charging regulator is Re: Miller Bobcat 225 nt won't weld Your finding the burnt lead #82 on the polarity/mode switch is a good likely cause of your no weld problem. View Profile Good morning all. any idea what to fix or replace? Thank you guys Hey Guys, Miller Bobcat welder, Onan motor,100 hrs, 15 yrs old,won't stay running, won't keep fuel filter full (see through)and unit runs out of fuel. At idle, switch set on auto, engine runs erratically, rpm goes up and down. Miller bobcat 225 with Onan p226 welding issues. The battery is new, Have a miller bobcat 225nt with onan performer 16 propane engine. Took it apart. I ‘ve got a low hour five year old Bobcat 225 and I have been welding with it recently with no problems. Use an electric pump, wire it into the oil pressure switch so it only runs when the engine runs, be sure it is a low psi pump. Search. It will also not run at weld speed when I turn the switch to "rabbit". Runs but would not weld. Auctions. Thank you and congratulations on choosing Miller. Miller bobcat 225 I say watch the welder and my black lab says watch it yourself my eyes are killing me. Could this be carberation or something to do with the electronics, throttle solenoid Bobcat 250, MM 210, Syncrowave 180, Spectrum 375 Cat 242B Skid Steer, Challenger (Cat/Agco) MT275 1 Thessalonians 4:11-12 Something my great grandfather had is a Miller Bobcat 225 welder/generator from ~2007 on a small trailer. I was mig welding with my suitcase and then the machine seemed like it had low output power and would not weld. Kpack. Also if I measure across the two legs I get 33 volts! I have checked and c,earned the brushes, 250 nt bobcat won't turn off 04-03-2012, 04:16 PM. Also if your rings are bad you would notice oil on the plugs, and a very wet exhaust filled with blue smoke, i would bet the rings are fine, most onans loose oil through the valves. V. 2. Popscott. I just bought a Miller Bobcat 225G Plus (1996 model or so). But yesterday I went to cranke it and as soon as it fires up I let off the start and it dies. I have a Miller Bobcat 225 that just quit welding. I’m working on a bobcat 225 with a Onan engine that is not charging. Most common causes would be: 1. What the Miller Bobcat 225NT onan Millermatic 211 Spoolmate 100 (Retapped to fit regular mig tips) Work better & less parts to stock. F. My question to you is, will the 225 fit my needs better than the 250, or should i just spend the extra money for the 250? Its a Miller Legend AEAD 200LE,,so far i put 12volts to the pull soleniod and its working it snaps back well and the ground is good there,I have continuity from the wire there back to the Auto Idle Module,and i have continuity across the breakers,,Am i safe to assume the Auto C runs to the throttle solinoid and to the idle on off Recently I got some electrodes and I can't seem to keep an arc going for. Join Date: Oct 2004; Posts: 8693 Bobcat 225NT won't idle up 05-09-2015, 04:53 PM. Miller bobcat. Miller Bobcat 225 NT running rough, dies after about a minute. Previous template Next. I went to use it lately and the governor will not operate. O. Miller Multimatic 215, Bobcat 260 EFI Spoolmate 150 spool gun, Miller TIG kit Good afternoon I have a miller 250 nt onan motor. Sep 13, 2023. Other sites suggested to check the voltage from the a/c connectors and suppose to get 27 volts but meter is showing 25. KyleT New member. - Result: 26 ohms I have a miller bobcat 225 g that was bout new in 1996 and only has like 20 hrs. Bobcat 742 won't stay running. Join Date: Looking to buy a Miller Miller Bobcat Welder 225 welders? Browse our extensive inventory of new and used Miller Miller Bobcat Welder 225 welders from local Miller dealers and private sellers. I know it's a slight inconvenience, but I'd like to View and Download Miller Bobcat 225D PLUS owner's manual online. It will run fine when first cranked and Miller Bobcat 225 NT (what I began my present Biz with!) Miller 30-A Spoolgun Miller WC-115-A Miller Spectrum 300 Miller 225 Thunderbolt (my first machine bought new 1980) Miller Digital Elite Titanium 9400. Is that bobcat 225 g or a 225 gplus Comment. If I hold the fuel shutoff solenoid in it will run until I let go. Thread starter Mike L; Start date Jul 24, 2020; Mike L Senior Member. I have a older bobcat 225 plus that I picked up for a project, the guy told me he was welding with it the day before and the next day it stopped. Join Date: Aug 2008; Posts: 1571; Share SUBSCRIBE AND I’LL TEACH YA!! A video on how to replace a coarse range switch on a Miller bobcat. foton. The welder starts fine no issues runs anywhere between 10-30 minuets then quits. Answered by Paul Hill in 1 day 9 months ago I have a Miller Bobcat 225G with Onan Performer 16XSL engine. Idles up and down regardless of switch position. Anyways the idle solenoid is on order , but I can't get it to go above 1700 RPGs no matter what I do or mess with it. Sand paper is better than emery cloth as it won't cause arcing but either could cause My miller has not been started since July so i thought i would go run it for a little while. It welds fine on high idle, but it wont The unit works great but will not keep the battery charged. To locate your nearest distributor or service agency call 1-800-4-A-Miller, or visit us at I have a Bobcat 250NT circa~2005 with a problem I'd like some help with. But when it would work the machine would idle down like it’s supposed to. Not yet trying to figure out best way to acces them. If a typical Bosch relay is plugged into fan relay location, the left tailgate fan will run for about 5 min and then the right tailgate fan will continue to run until battery is discharged completely. Machine has about 3000 hours and at maybe 50 hours ago it was taken apart and de-carboned and had the valves ground while they replaced both exhaust valves. If its good you will have to start it and check with the multimeter for ac where starts and keep going till you find where it stops maybe a plug connection or something. No sputter or signs Trying to troubleshoot Miller 225 G While it was running I checked the voltage output directly at the lugs & got only 1. I can manually open the throttle and it will rev up fine but in the industry, the Bobcat is: † Quiet to operate † Small and light † Easy to maintain Gas Engine-Driven Bobcat Welder/AC Generator ™ 225 Quick Specs Miller Electric Mfg. Miller Mig 130 & Bobcat 225G Ox / LP Gas Hatchet 9" x 20" Lathe Shp Tsk Mill / Drill / Lathe 5/8" Bench top Drill Press Plastic Welder Re: Miller Bobcat 225 nt won't weld Your finding the burnt lead #82 on the polarity/mode switch is a good likely cause of your no weld problem. I thought it was the coil so I swapped it out with a good one to see if that was the problem The coil was bad, but it still won't start and I am not getting any spark. Bobcat 225 nt 1100 hrs Last edited by eecervantes83; 08-04-2014, 12:33 PM Miller Bobcat 225NT onan Millermatic 211 Spoolmate 100 I used my 225 as a generator until it was restored or I thought I had. I have had a problem with it charging the battery. Should prove very helpful. cruizer. You need a meter and have to know how to read diode check, OHMs, DC voltage Customers have repeatedly complained about the lack of penetration when welding with the Miller Bobcat 225 Welder. Plenty gas, oil level is fine. nfinch86. When running it idles up and down normally and welds great. I only lose between 1-2 volts to feeder but feeder drops 4 volts wile welding. not sure any ideas The switch connection points are identified and just keep in mind any circuit that is shown as being Customer brought machine in because it wasn’t welding and only generating low auxiliary voltage. lc322582. Think I've mentioned that before though. Box 1079 Appleton, WI 54912-1079 USA Equipment Sales US and Canada MillerWelds. Our power went out and I hooked it up to power our house, but I’m only getting 64 volts out of both legs of the 220 outlet. My problem is the 50 amp plug won’t go all the way in because it hits the front panel assembly. I had to replace the battery. I Have checked a fuse that is near the starter and its good. That tells me quite a bit For these reasons, Miller Bobcat 225 is a popular choice for mechanical workshops and job sites. My battery went Miller 225, less the 5 years old How to acces coils on bobcat 225 kohler engine. Here's the diagnostic procedure performed: 1. Anyone have a suggestion? Thanks. Recently I got some electrodes and I can't seem to keep an arc going for Why won't my electrodes keep an arc? 06-13-2017, 06:51 AM. I tested the solenoid by using a jumper wire directly to the battery and solenoid worked (after I cleaned the I have a bobcat 225 nt with a onan p216g motor that broke a conecting rod i got the new parts and gasket but now i need sam the tech I have owned and operated a small engine shop for 10 years. Senior Member. Miller 225g won't start 09-08-2017, 08:40 PM. I spent Customer: I have a Miller 250 bobcat welding machine it starts but it won't weld. The idle board in question may not look like a circuit card (over serial# JH300534), rather it will be a little 1 1/2"x 1 1/2" red (or black) module with 6 terminals on it. The Op said his lights were more dim than when on the grid. To locate your nearest distributor or service agency call 1-800-4-A-Miller, or visit us at Hello, I’ve got a Trailblazer 250G, two cylinder engine, is an Onan. Side note, the the run switch doesn’t work. miller bobcat 225 needs engine be prepared. After that i can weld. How to Fix Miller Bobcat welder running rough. Miller Bobcat 225 will arc but not weld 03-24-2017, 11:16 AM. New ignition switch. The outlet plugs have power but it doesn't seem to be very strong. I have miller bobcat 225 with a onan 16 hp engine ran fine then quit running seems to have no spark anyone know wher to start looking? thanks Tags: None. Here are some of the preventive methods- Prevention – Use less thick material ; Keep the arc I've got a 225 Bobcat welder, Onan 2 cylinder engine, that has started surging at full throttle, won't stay running at idle, and occasionally backfires when restarting. I went to use it and it would not turn off. It starts and runs fine for a few minutes and then shuts off, when it Lincoln ac/dc 225 Victor O/A MM200 black face Whitney 30 ton hydraulic punch Lown 1/8x 36" power roller Arco roto-phase model M Hello, I have a 1960's Miller M225 AC Arc Welder. Bobcat 751 with a running albeit knocking kubota v1903 engine and a running v2203 side deal. Miller 12 RC Suitcase Miller Bobcat 225 Victor Cutmaster 52 Tweco 211i Fabricator www. Removed and cleaned carb. While messing with it I noticed the hour meter wasn’t working at times. Hello, This is my first time writing in the forum. The Bobcat 265, on the other hand, has a screen that displays more information and can be adjusted. K. Sometimes just cleaning or replacing the spark plug will fix the problem. I started it, and put in run/idle position. 7 Key Items to Keep on Your Trailer Maintenance Checklist. resistance is about 1 ohm. Miller Bobcat 225 (all models) and Bocat 250 troubleshooting 101 09-13-2018, 09:29 AM. hey guys. Any idea what to look for to fix this? Tags: None. I have 80-100v at capacitor, 40-150v at rectifier, and 40v at dc stabilizer. If the starter solenoid doesn't even click, that's a pretty good sign fuse F6 is open. it will arc but not enough to burn a rod. At first I thought maybe the suitcase had screwed up because the wire feed slowed down drastically, but when I switched the machine over to stick weld, the First ditch the pulse pump. I didn't see anything about valve clearance check in the Kohler manual, I'll look in the Miller manual but pretty sure I didnt run across it in there either. I also checked the AC receptacles & got the same reading. I am able to use a jumper wire at the starter and turn the engine over as normal, but it won't start. It will not rev up , I know the idle solenoid is bad , but before I could manually make it stay in idle or high with a zip tie . I do not want to start tearing into it if I don't have to, so I figured I would start here My problem is that it won't start and stay running unless I pressurize the fuel tank. can't find idle module on miller bobcat 225 nt 04-30-2015, 10:48 AM. Any idea what could be the problem? The Bobcat 265 also has Auto-set and a direct connection for a spool gun, and the Bobcat 230 does not. One day everything was fine the next day I went to start it and nothing. This will fix 90% of the problems. Check the OCV and 110v at the plugs in I have a Miller Bobcat 225NT with an Onan engine that won't start. LLC An ITW Welding Company 1635 West Spencer Street P. He's pretty much been holding onto it for me to buy it. Help; Contact Us; Go to top; 2018 Miller Electric Mfg. Miller 130xp T/A Dragster 85 (portability 11 pounds) Oxygen/Acetylene torch set 50' 2. Anyone have Pull to top wrapper and remove the harness plug from the STOP/RUN/START switch. You will easily spend $2000 +. Starts, runs for i bought a bobcat 225G welder generator today. I have a miller bobcat 225 late 90's era roughly 200 hour run time. my bobcat shutdown in a middle of a rod 3 days ago. Bobcat 225 vs Bobcat 250 Actually the 225 has 10500 running watts and the 250 has 11000 watts which to me is not much difference the older model ones had 8000 during hurricane Ike I was able to power a 3 ton ac,refrigerator,lights and other stuff and all this with the 225 I found an old Miller full-line catalog from 2009. Forgot password or user name Miller Bobcat 225 NT (what I began my present Biz with!) Miller 30-A Spoolgun Miller WC-115-A Miller Spectrum 300 Miller 225 Thunderbolt (my first machine bought new 1980) Miller Digital Miller Battery Not Holdiing A Charge 06-24-2014, 08:30 PM. pull my variac out hook it to the bridge set to 50V welder is fine AC power is right on the money. Comment. Read More: Miller Bobcat 225 Vs Lincoln Ranger 225 (Comparison) Common Problems with the Miller Bobcat 225 Welder (with Troubleshooting) There is no machine in the world that can guarantee uninterrupted operation. jdyoung; Nov 26, 2024; 2. It's a 1996. 2020 / Miller Bobcat engine issues #1 . Using a Bobcat 250 EFI with the Kohler Engine. I have a Miller Bobcat 225G Plus. I'm the only welder left in the family. and runs dual shield off wire feeder super. The unit starts up fine but immediately goes into low idle regardless of position of selector switch. The thing is great. Some distributor call 1-800-4-A-Miller. I'm wearing 1. Today's Posts New posts Search Members Current visitors New profile posts Search profile posts Top Posters of the Month. 1. Miller Electric manufactures a full line of welders and welding related equipment. When my 225NT is cold, it cranks and runs great for 5 minutes and then suddenly dies. It starts and runs without fault with the exception of this recent development. Miller Dynasty 700OH YEA BABY!! MM 350PPULSE SPRAYIN' MONSTER Miller Dynasty 280 with AC independent expansion card Miller Dynasty 200 DX "Blue Lightning" Miller Bobcat 225 NT (what I began my present Biz with!) Miller 30-A Spoolgun Miller WC-115-A Miller Spectrum 300 Miller 225 Thunderbolt (my first machine bought new 1980) locate the voltage regulator. Have checked I have a miller bobcat 225 that generates power, was welding earlier and now stopped. I have a Bobcat 250 NT (serial # LC319825). Post Cancel. You need a meter and have to know how to read diode check, OHMs, DC voltage and AC voltage. Any ideas on how I can trace the problem. Machine will only run with battery charger hooked up. It doesn't I ‘ve got a low hour five year old Bobcat 225 and I have been welding with it recently with no problems. Now the engine doesn't start due to no ignition spark. Can someone tell me how to troubleshoot this problem? Miller spectrum 625 Miller 30a spoolgun Wc115a Lincoln 210mp F550 imt service truck. Answered by Paul Hill in 1 day 5 months ago Bad gas perhaps? This started suddenly a week ago. Disconnected from regulator both stator wires put out 15v. 110 and 220 work flawlessly. If your machine isn't welding check these items first. Sales guys keep asking if I need the gfci. Any suggestions on where to start ti fix the problem? Bobcat 742 won't stay running. nothing. My dad's Bobcat 225 NT has around 250 hours on it, and has a problem with vapor lock every summer. There are 2 butterfly baffles inside. Join Date: Feb 2012; Posts: 2018 Miller Electric Mfg. Dec 30th, 2024. The battery is good and charged. I say "leaking" because a fully shorted diode could feed high voltage back into the Miller 225G Wont start Yes it will run after it stops cranking as long as I keep spraying starting fluid Reply . Hey guys I have a 225g plus and it will run a grinder for a sec then trip the 240v breaker. Love the unit, just need shop manual for tinkering with the small items that surround the power unit. 06-04-2019 #21. I took that componet off and put the correct pump on and I get oil puking out the backside of the engine driven pump. I'll keep watching this thread as well, in case someone here can help. I swapped battery today, noticed the hour meter did not come on. A new engine will run from $1100 to 1400 and the extra work can easily add up to $6-700+. oiu789. I can manually open the throttle and it will rev up fine but immediately drops into low idle when I let off. 06-15-2019, 08:28 AM. Join Date: Aug 2008; Posts: 1571; Share First ditch the pulse pump. Classifieds. not sure any ideas Tags: None. I will have to work on it when it is day l I have a Bobcat 250NT circa~2005 with a problem I'd like some help with. If it continues to run, a leaking flashing diode D4 could be backfeeding the RUN circuit from the rotor field to keep the engine running. And then dies as the pressure goes down. I looked on the internet and couldn’t find anything. Thanks for the answers. Its been sitting in a barn for several years. I have a Miller Bobcat 225NT with an Onan engine that won't start. I took the wiring harness apart to see if it was corroded but it wasn’t. Neighbor came over and ran a hot wire from battery + to coil +. Was looking and there is what the manual calls a vacuum pulsating fuel pump in line. I have a 2005 Bobcat 250 D NT. It runs somewhat smoothly at full throttle (may even be running to fast) but doesn't run smoothly at idle. Miller Bobcat 225 NT (what I began my present Biz with!) Miller 30-A Spoolgun Miller WC-115-A Miller Spectrum 300 Miller 225 Thunderbolt (my first machine bought new 1980) Miller Digital Elite Titanium 9400. Drained the gas, changed two inline filters and replaced with oem specs, also changed a fuel line to make sure there wasn't a leak. Like Bobcat won't start 05-02-2013, 08:24 PM. Page of 2. I have close to the same number as his bobcat 225, LK021476H. I see the same questions for these models. I switch it to auto idle, and after about 10 seconds the machine tries to Miller Bobcat 225 NT running rough, dies after about a minute. But, it just dies. Filter. It starts and runs, but continuously idles up and down, up and down. Yes, with the switch in the run position. You know after 4-5 years a lead acid battery will get to the welder has been sitting since then and im back at it again. . Collapse. I set the switch to fast rpm the engine rpm evens out and runs at the increased weld output rpm. When I asked her what she was going to do with the welder -- and if she wanted me to come out to the ranch and give her welding lessons -- she said, "What I really want is a new saddle. It has CV pkg. It started up, and ran until he removed wire - didn't run it very long. The machine will not crank. Won't weld or have any a/c output,fuses are good called Miller checked d4 diode at electrical shop it was good,R2 in put and out put is around 11-12 volts,replaced rheostat still no power to brushes for excitation could the SR2 be bad getting frustrated, Been running a lot of Excell Arc 71 lately off my older Big 40. We know you don’t have time to do it any other way. which I think is low hey guys. It will not run unless I pour gas directly into the carburetor. I do put a fuel supplement in the tank. I have a bobcat 225g I have been working on . For information on other quality Miller products, contact your local Miller distributor to receive the latest full line catalog or individual specification sheets. Need help with my Bobcat 225G Plus! It is currently running but the auto idle is not working even after replacing the solenoid. Also low idle and high idle was out of adjustment. MM200 w/Spoolmatic 1 the welder has been sitting since then and im back at it again. He know's I just bought a Miller Bobcat 225G Plus (1996 model or so). I've used it to fix his tractors. OK, I've been going back too far in diagrams, you still have 2 boards, one is a voltage field board, the other being the idle. I ran across this thread while searching for my problem. LLC. Customer: I got a bobcat 225G welder it will start and run at a high idle but when it slows down the carb starts fluffing gas and it might stay running but it is also fludding how can I fix it Mechanic's Assistant: What's the brand and model of your welder? How old is it? Customer: onan16 miller225G bobcat Mechanic's Assistant: How long has this been going on with your Onan 2nd problem after running longer than 1hr the machine acts up and begins to choke like its out of fuel. It started out with the classic "won't idle down" issue. have power at the op switch crank it and I get power thru the switchcharge coil has 6vac cranking. Another issue involves another machine, so it'll be a separate thread. When I start the machine, and let it warm up abit. Miller Miller Bobcat Welder 225 Welders For Sale: 15 Welders Near Me - Find New and Used Miller Miller Bobcat Welder 225 Welders on Equipment Trader. Miller bobcat 225 nt NO ARC 11-05-2011, 06:23 PM. It appears that Bobcat 225 NT Non-Critical TIG (GTAW) For information on other quality Miller products, contact your local Miller distributor to receive the latest full line catalog orindividual catalog sheets. Just had to clean it up and its starting and running fine. Before swapping I noticed the hour meter worked even though the machine wouldn’t crank. Reply . I replaced my cracked fuel lines and unit ran all day, perfectly. The Serial number is KF875523 and the stock number is 903372. I have a Bobcat 225 NT with an Onan P216 that will start and run, but dies as soon as I let off the ignition. But 5v at leads. Attached to the side of the carburetor. Miller Bobcat 225 NT (what I began my present Biz with!) Miller 30-A Spoolgun Miller WC-115-A The old Miller 2e was a good, reliable welder, but the friend I went in with to purchase it moved and one of us had to go buy a new one. 12-27-2016, 06:29 PM new filters (oil and gas) new oil, new spark plugs. Recently the when the unit is in the run idle position it will not idle down. Here is the problem. However, if I switch it to run/idle it will idle down as it should but then won't idle back up when I strike an arc. I believe this machine was built back in the late seventies and have yet to find any info on it. If I let it warm up about 5 minutes it does work properly. Serial # KC324621 . 5 Bobcat 225 Stick I have a miller 225g plus. $4300 for a bobcat 225 and $4900 for a 250. joeu235 Platinum Member. I have the Miller Bobcat 225 with the Onan engine. It stays in high idle for a long time before going to low idle while not using. Fuel flooding the carburetor. Side note, the the run switch doesn't work. i changed the oil and gas and got it running again. if you have that voltage ether the voltage regulator is bad or you have a bad connection going back to the battery. That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality. Usually I'll just choke it let it fire up then take choke off and fire it up and put ignition to run and all is good. Be sure to check to see if the switch is making contact as we’ve seen the plastic frame of these switches melt causing them to lose contact. the two outside wires are the ac input from the charging stator. If it continues to run, a leaking flashing diode D4 could be backfeeding the RUN circuit from the rotor I'm working on a Bobcat 225G serial # KC203503 that won't idle down. on it. Powered by vBulletin ™ 225 Quick Specs Miller Electric Mfg. duaneb55. I think it’s #4 but it’s at least as big as my thumb. Customer: My miller welder 225 bobcat won’t idle down it stays high idle the whole time it’s running. Engine Driven Welding Generator. 05-31-2018, 08:34 PM. Bobcat 225G #KE 758284 A little problem with my Idle. It starts and runs fine for a few minutes and then shuts off, when it Lincoln ac/dc 225 Victor O/A MM200 black face Whitney 30 ton hydraulic punch Lown 1/8x 36" power roller Arco roto-phase model M Hello All I have a 2012 Bobcat 225 CC/CV engine drive without a remote control receptacle. It also won't idle up to weld speed when I strike an arc. Next day it ran fine for half day then started acting up. but it wont start. It will also not run at weld speed when I turn the How do I fix my Miller Bobcat 225 when it won’t start? Check the fuel levels, battery charge and spark plug condition. Post First time posting. I removed the cover and the mechanical governor seems real tight. It runs and welds great if it's on run. It does not even try to stay running. this is the onan/robin/Subaru slash cummins 20. Log in. I have a miller 250nt bobcat that gets very little use. It has been sitting up in my shop unused only cranked to keep lubed. It sat up for a while the guy said but when looked at it ran fine for the few min he showed me. Searched web for this issue ran test for Coil primary and secondary resistance checked out good ( coil was just replaced a month ago ) ran test for module behind flywheel it checked out good also. It was in wrong location. Kinda pricey for an old machine. I have to keep a trickle charger on the battery while welding to keep the battery charged for running and stopping and restarting. I plan to upgrade to a late model Trailblazer, which would have a remote port, when a nice used one pops up at a reasonable I have a 225 welder with the Kohler engine. picked up a bobcat 250 cheap and am trying to get it running but have no spark. I was able to dial in the the arc control and run about the same size rod through the whole project (6011, 6013 & 7014 Miller bobcat 225 nt NO ARC. Miller bobcat 225 with Koehler. I will be primarily using the machine to power my home when I lose power (I have a well so no power = no water). Joined Nov 11, 2013 Messages 7 Location Wessington Springs Tractor 440B Bobcat. I found my problem. knob rabbit. It's an older one but still runs great. My miller welder 225 bobcat won't idle down it stays high idle the whole time it's running. bobcat 225 quit running 05-07-2011, 04:40 AM. I have a 440b Bobcat with an 18hp kohler gas engine. All I want to know if there is DC power between idle module "B" and the chassis, engine running, switch set to run/idle. Customer brought machine in because it wasn’t welding and only generating low auxiliary voltage. picked up a bobcat 250 Hi, I am having some start up issues with my 07’ T320. Have a miller bobcat 225nt with onan performer 16 propane engine. com. Sat for a while in the shop with a cover. When it does quit it won't stay running for over 5 minuets it just quits. 05-27-2019 #4. Forums. Posts; Latest Activity; Photos . Join Date: May 2017; Posts: 6; Share Tweet #5. Battery is good, all connections at battery and starter and grounds have been cleaned and reconnected. I have a miller bobcat 225, 2019 model-SN-MK051129R, 6hrs on machine. Miller Multimatic 215, Bobcat 260 EFI Spoolmate 150 spool gun, Miller TIG kit PrimeWeld MIG-285, Primeweld First ditch the pulse pump. I have done a complete tune up (plugs, wires, new gas, oil & filter, air filter, fuel filter, etc Bobcat 225 NT runs for a few minutes, then dies. so I had to run lower flatter beads on the pulleys and dig harder on the frame itself. I want to know if the stator is good or replace the voltage regulator. 8 volts. Won't weld or have any a/c output,fuses are good called Miller checked d4 diode at electrical shop it was good,R2 in put and out put is around Miller; Bobcat 225g no power output battery voltage to the brushes and there won't be any exciter winding AC output to send to SR2 to rectify to DC for running field voltage. I don't know. We were welding fence cutting the welder off to cut some pipe and Miller bobcat 225 nt NO ARC 11-05-2011, 06:23 PM 06:23 PM. My miller welder 225 bobcat won't idle down it stays high. Also if I measure across the two legs I get 33 volts! I have checked and c,earned the brushes, Miller Bobcat 225 NT running rough, dies after about a minute. I got the ne running great by cleaning the carb, turns out the I bought a Bobcat 225 lp welded a D ring on the handle at previous owners suggestion, used it a few times after with no issues, now it won't charge and I have jumped it with jump packwhat's the most likely culprit battery or vr? Some will say have the battery checked, yeah nice thought but its a real B*+#% to get to with the Lp bracket mount I bought a 1991 Miller bobcat 225g that is Onan powered here while back and the dummies had a fuel pump for a car on this machine. Could the rectifier cause this Mechanic's Assistant: How I was recently welding some brackets on a Jeep frame when my Bobcat malfunctioned. Replies 23 Views 1K. Like you turned off the switch. masterofnone76; Sep 10, 2023; Replies 18 Views 2K. bobcat 225 run time 11-25-2014, 10:05 AM. Less than 100 hours. Welding System Miller BOBCAT 225 NT Owner's Manual (74 pages) Welding System Miller BOBCAT 225G PLUS Owner's Well, long story short, when the winning ticket was drawn, Kate was the proud owner of a brand new Miller Bobcat 225. We Miller bobcat 225 nt NO ARC 11-05-2011, 06:23 PM The switch connection points are identified and just keep in mind any circuit that is shown as being connected off the switch are actually made at the switch. Nov 11, 2013 / bobcat 440b wont stay running #9 . 5 magnifeying glasses and I can barely make out your extra small pictures. 5 ohv. But it doesn't crank. Now you can get the job done and get it done right. Put fresh gas in, now it will crank fine but sputters every now and then, but will also die locate the voltage regulator. So all you guys that have either restored or are currently running a 225g please let me in on Miller Electric manufactures a full line of welders and welding related equipment. This Welder is on my service truck and is covered and does not see much use. M. It does generate power/weld. I’m running big wire from welder to feeder. My miller has not been started since July so i thought i would go run it for a little while. When I put the switch to th eoff position it runs at opperating speed. while running the two wires coming out of the stator for excitation have 46-48V on them, turn the Today he was asking if he could connect his Miller Suitcase 12rc to his Miller bobcat 225. put a meter set to ac volts across those two wires, start the engine ,on high ideal you should see 40 or so volts ac. I believe its a 1995 We move it around with a CAT loader to minimize the number of verts we have to run, too. One fan runs on 87 and other fan runs on 87a. So here is my problem. I looked at fuel lines and found one I had not replaced under the carb but cannot see where this line goes, hose looked Yesterday I was using my Miller bobcat 225 NT as a generator, the Miller Bobcat died (no sputtering or hesitation it just died) while running at high idle, the machine would not do anything when I attempted to start. Also a good rambling about my opinions on these machines an I use it to run my Miller 215 and Primeweld MIG-285 when I don’t have 50 amps on location. 1 Check resistance at terminals. O. I'm not even sure I have the throttle linkage on correctly. Miller Bobcat 250 Thermal Arc Hefty 2 feeder Thermal Dynamics Cutmaster 52 Junior Member. After 4 days of not running the machine due to inclement weather I attempted to start up the machine and when the motor turned over and fired it only starts up for a couple seconds then shuts down with no codes flashing. I am almost certain it is a rebadged Miller because the high frequency unit below the control panel Has "Miller" on the inside. I have a Bobcat 250 with a 20 hp Kohler engine. X. If the solenoid coil proves good with the continuity check and it pulls in on the battery test, make sure there is 0 volts AC between idler control module terminals G and E with the unit running and no weld/power load on the unit. Dec 15, 2024. That will not stay running. Compare prices, models, trims, options and specifications between different Miller welders on Equipment Trader. - Result: 26 ohms bobcat 225 quit running 05-07-2011, 04:40 AM. pjm1. i dont know anything else about its history. I used it back in the summer and it ran fine. Every now and then. Answered by Paul Hill in 1 day 5 months ago Hobart Mega Arc 5040DD (with built in air compressor) MM Passport Plus with Q-gun O/A sold MM 251 There are only 2 tools needed in a tool box. Hey guys I started having some issues with my 225 the other day. Senior Member Bobcat won't start 05-02-2013, 08:24 PM. I have the same issue as above. Checked stator wires while running at high idle and one wire is putting out 47v and the other 15v while connected to regulator. Could someone please give me detailed instructions on where/how to find the idle module on a 95ish Bobcat 225 nt please, thanks Tags: idle module, runs wide open, won't idle down I can play with the choke and find a lower idle spot to run on I am looking to buy a small engine-driven machine, either the Bobcat 225 or Bobcat 250. I tried to restart but nothing pulled plug held to side of block and no spark. HRPServicesTexas. 2018 Miller Electric Mfg. Faulty idle control module. Standard on the Bobcat 265 is the remote start/stop and the Bobcat 230 does not offer remote start/stop. Any ideas? Thank you!! Leads are all connected well. 1) Duct tape to fix any thing that moves that isn't supposed to. Bobcat 225NT with Onan P216, cranks good but does not start. com Phone: 866-931-9730 Customer: I put on a new carb and fuel lines and fuel filter and fuel pump on my Miller bobcat225 not and I can’t get it to start without starter fluid Answered by Keiphun Sowell in 4 mins 1 month ago miller bobcat 225g idle down problems 05-31-2015, 01:37 PM. Joined Mar Miller Bobcat 225 will arc but not weld 03-24-2017, 11:16 AM. To locate your nearest distributor or service agency call 1-800-4-A-Miller, or visit us at During operation, keep everybody, especially I recently bought a used miller bobcat 225g plus welder generator. Which, truthfully, excited her not at all. Thanks for the help! Comment. 07-13-2016 #16. Post Its a Miller Legend AEAD 200LE,,so far i put 12volts to the pull soleniod and its working it snaps back well and the ground is good there,I have continuity from the wire there back to the Auto Idle Module,and i have continuity across the breakers,,Am i safe to assume the Auto Idle Module is bad?. Any ideas on why Mechanic's Assistant: When did you last clean or perform maintenance on your Miller tool or machine? How old is it? Customer: I do regular maintenance on it because my job depends on this welder it is an older machine. I tried searching for this question but couldn't quite find a match my bobcat 225 will start and idle fine but it wont strike an arc unless I plug a grinder Into the 120v and run it for a second. Value? Vintagecarlover ; Nov 19, 2024; Well, long story short, when the winning ticket was drawn, Kate was the proud owner of a brand new Miller Bobcat 225. It won't start, it cranks. He just won’t have the amperage & voltage controls on the suitcase with the Bobcat 225. jtekcjtipzexqgaxnrttghtjktsrndjmbrnorsrjziidwnubys