With the arm held like this, loosen the bolt that clamps the governor arm to the governor shaft. I used middle hole based on a 13 hp engine I saw in boneyard. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I might have an old auto tach on a tune-up meter. It has a 30-millimeter or 1.200" diameter throttle bore. Kohler Part # A235743S Governor Gear Kit. This method works equally well for both Briggs and Kohler and Others. 106 0 obj << /Linearized 1 /O 108 /H [ 707 325 ] /L 216539 /E 4425 /N 24 /T 214300 >> endobj xref 106 14 0000000016 00000 n "@type": "InteractionCounter", With the venturi removed, it'll flow 107 CFM, which is about 1.3 times or 75% more airflow. Hunker may earn compensation through affiliate links in this story. The problem is a combination of slack in the throttle cable, governor spring tension or slack at idle, and the throw radius of the throttle control on the engine. throttle cable travel and choke operation check out, static governor adjustment is good, but there is no tension against the gov spring. Hold the two in place, and tighten the nut on the bottom of the governor arm (which you loosened in the previous step) with an open-end wrench. 55. Rotate the nail counterclockwise until it will not turn any further. Kohler Part # 1508907S Governor Spring. 55. . Move the spring towards the cross shaft to increase governor response sensitivity. HWr}W>L0fp-_JY C6P!.$eTEtOg^|UZU)wk5%Z^f}F^"^nX2a?#n9{hg>[qbyfeo/^cp >3,H,eY{E? "publisher": { Gently turn the vice-grips counter-clockwise until the shaft stops moving. The next is a rare one, the number "28". This method works equally well for both Briggs and Kohler and Others. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", When I go from reverse to forwoard, the front wheels pop off the ground. That's why there are so many moving parts and springs. "@type": "Organization", I am going to take a closer look at the holes to see if I can find any wear. *Starting price in US dollars. I turned the adjustment screw on the throttle side and that is the max RPM's in can get. I turned the shaft clockwise and now everything is great. Kohler K321AS - Governor problem. Loosen the nut that holds the governor lever to the cross shaft with your hex wrench. Second question is what holes should the initial starting place be. ", Ships from and sold by Pitt Auto Electric Co. Get it Feb 14 - 17. Now rotate the governor cross shaft clockwise or counter-clockwise as noted before as far as it will go with light pressure. In Stock. Tighten the hex nut to a setting of 60 inch-pounds using your hex wrench. Locate the throttle fly mechanism on the top of the carburetor. Step 3 Locate the throttle fly mechanism on the top of the carburetor. A non-free spring can affect the RPM. Next either open the throttle or hold the governor arm so the carb is wide open. The venturi in a stock #26 carburetor measures .808" in diameter, and flows 74 CFM. The second thing I would do is just get rid of the governor. it was sitting at 3000. There is a small torsion Spring in the governor assembly PN 52 089 08. '>OM[c>%]vY`6cp0nFST9 "text": "I don't normally remove spring from governor arm but this time I didI didn't mark it a week ago and can't see any wear on the holes. SPRING GOVERNOR ORA. Kohler Aegis Liquid Cooled Service . Mine was too long and the PO had bent it to work. The pneumatic governor also relies on one or two springs to pull the throttle toward the open position. A variety of lawn tractors use a Kohler engine to power the tractor. With the throttle plate blocked in the wide open position, rotate the cross-shaft counterclockwise until it stops. . Top is close to govenor shaft, bottom is furthest away. Kohler states the "normal" position of the spring is the 3rd from the bottom. 54. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. endstream endobj 1 0 obj << /Type /Page /Parent 100 0 R /Resources 2 0 R /Contents 3 0 R /MediaBox [ 0 0 612 792 ] /CropBox [ 0 0 612 792 ] /Rotate 0 >> endobj 2 0 obj << /ProcSet [ /PDF /Text /ImageB ] /Font << /F1 110 0 R /F2 114 0 R /F3 95 0 R /F4 96 0 R >> /XObject << /Im2 97 0 R /Im3 4 0 R /Im4 5 0 R /Im5 6 0 R /Im6 7 0 R /Im7 8 0 R >> /ExtGState << /GS1 115 0 R >> /ColorSpace << /Cs5 111 0 R >> >> endobj 3 0 obj << /Length 2715 /Filter /FlateDecode >> stream NOTE: When the application throttle control lever is in the slow position the engine governor spring must be free of tension or pushing pressure. This is an original replacement part soured directly from the manufacturer. The throttle bore "wall" is simply too thin. I used middle hole based on a 13 hp engine I saw in boneyard. It's easy! Moving the spring away from the cross shaft decreases governor response. As far as the spring hole settings, in general the farther the spring attachment hole is from the center-line of the governor shaft the "less sensitive/slower" it will be in response to load changes. The engine free revs to the point of floating valves at about 1/2 throttle. Many books say turn it clockwise or counter clockwise depending on the engine. Locate the throttle linkage on the left side of the engine, directly in front of the oil filter. The Fora platform includes forum software by XenForo. Unofficial Home of Old Simplicity & Allis-Chalmers Garden Tractors. Thanks FORDoholic! Mine also seems too long but I haven't done the governor adjustment. Kohler is a small engine manufacturer whose engines are commonly found on lawn tractors and other larger lawn & garden equipment. This rider is a hydro. It could be the 14hp is supposed to be quiet? And it doesn't matter how long or short the link is because the governor is adjusted by the clamp on the cross shaft. (spec. 53. 2) Disconnect negative (-) battery cable It is so confusing to try to remember that stuff. Kohler 5400 Series KS Service Manual KS530-KS540-KS590-KS595. Small Engine Governor Gear Small Engine Governor Link Small Engine Governor Spring Popular Kohler Small Engine Governor More Info Your Price: $2.27 Qty: Add to Cart More Info Your Price: $11.13 Qty: 55. Complete exploded views of all the major manufacturers. Model Number 20RESC. Move the spring towards the cross shaft to increase governor response sensitivity. Celebrating 150 years of bold ideas. Tighten the clamp on the governor arm. } Check/replace the fuel filter. I am setting RPM by moving throttle cable. It could be the 14hp is supposed to be quiet? The governor sensitivity is adjusted by the position of the governor spring. Replace the air filter. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. And the throttle bore in a #26 Carter or Kohler carburetor cannot be bored large enough to match the size of a #30 carburetor. Ships from and sold by Outdoor Power Equipment. The throttle bore "wall" is simply too thin. Had the same problem with a briggs engine, as to how to hook up the gov. I went and checked my spring with a new one and they are the same . To Test Solenoid Hold-In Coil. Come join the discussion about performance, modifications, attachments, classifieds, troubleshooting, maintenance, and more! Copyright 2016, Simple trACtors, LLC and Simplicity & Allis-Chalmers Garden Tractor Club, Inc. If I put spring in middle hole, RPM is a little high. Does the same thing when using the loader too. TIGHTEN THE CLAMP. Be sure you are setting the governor linkage correctly. To staticly adjust the governor, locate the governor arm and loosen the nut on the bottom of the arm. When the engine cranks, the governor moves the throttle linkage to the idle position. Governor should have little effect on idle speed. The whole point of the govenor is to move the throttle in order to match power to load and keep constant speed. Continue testing and moving the linkage between holes in the governor arm until you have found the smoothest setting. Powered by Invision Community, do you still have some coffee can mufflers? TNT 120 engines will have the governor link set up as the TNT100 engines, except the small solid link is located in the bottom hole of the governor arm. 0000001681 00000 n Page 151 Section 11 Reassembly Figure 11-89. 53. Loosen the nut that holds the governor lever to the cross shaft with your hex wrench. For small engine parts and accessories, think Jack's! Linkage, Throttle. INSTALLATION. I can hear the governor working when pressing hydro pedal to go forward and reverse. In Stock. Allow it to warm up for about five minutes. 0000003642 00000 n I didn't want to set the idle screw to adjust the working RPM because I want to be able to idle engine down. Loosen the nut just below the governor rod, using the 10 mm wrench. I didn't want to set the idle screw to adjust the working RPM because I want to be able to idle engine down. Featured: 10 Items Sort by Result's per page More Info Your Price: $4.80 Qty: Add to Cart More Info Your Price: $5.26 Qty: Add to Cart More Info Your Price: $2.21 Qty: TVM engines have the same set up as the TVS engines, but the governor spring will connect to the 3rd hole from the top of the governor arm. I took pictures when I took it apart but I lost all my pictures on my computer. The venturi in a stock #30 carburetor measures .920" in diameter, and flows 84 CFM. . My 212 with the same engine is at 3400. Found a lower price? The gov arm has three holes. It's used mostly on the 14hp (model K321) and on some 16hp (model K341) engines. IBA$c\7]!QHS,Og)BNNP< [zUknj)a%Bz?YC(4.3J0&gNR(t( MNs;3Ro TS{:_vc][jF)* Went to youtube and typed in the engine # and a video came up showing all spring connections. It is manufactured using high-quality materials, to the same specifications as the original part. Watch the governor arm. Holding the governor lever there, take a pair of pliers and rotate the governor cross shaft all the way CCW until it stops. The valve springs are used to comp. It is located on the left side of the engine as you face it if mounted on your vehicle. look for wear in the holes in the governor and throttle to see the most likely place the spring was last. How can you get the proper set up on spring tension if it's too long to start with? Add Qty: 1508908S. w\]Kkpae}~ymni.,,O/9865;:9321 &G'xXh^nMmkmjil -UuMVTJ_\WT[Xs Engine sounds ok. Solenoid Tests. Mine has a different throttle setup than that. From what you describe, your governor is working as it is designed to. 3 !1AQa"q2B#$Rb34rC%Scs5&DTdEt6UeuF'Vfv7GWgw ? Kohler K/M governed idle and sensitivity By RED-Z06, December 27, 2021 in Engines Senior Advanced Member #1 Posted December 27, 2021 My M12S runs great except at low throttle input, at say 1/4 throttle i dont get governor compensation.even at near 1/2 throttle, i get little response under a load. Just remember it ALWAYS turns in the same direction it turns to open the carb, and it is always set with the carb wide open. NOTE: Do not move the governor spring to Test the engine under various workloads. It is EASY and FREE . Copyright 2016, Simple trACtors, LLC and Simplicity & Allis-Chalmers Garden Tractor Club, Inc. Clamp the pair of vice-grips on the shaft coming through the governor arm. For a better experience, please enable JavaScript in your browser before proceeding. (BTW, note that this is why the governor can never be adjusted to always hold exactly 60 Hz - it has to have a different arm position and different torque between zero throttle and full throttle). Remove the nail. This takes all the slack out and presets everything. Kohler 7500 Series EKT EFI Service Manual EKT730-EKT740-EKT745-EKT750. Now tighten the bolt. Well I adjusted the governor according to the Kohler manual and set the springs also according to the Kohler manual. Save: 31% off. Part Number: 20 079 07-S. $3.89 Add to Cart. Show you how to adjust Kohler Governor. I am setting RPM . Only 2 left in stock - order soon. You are here. The manual will have all the initial setting for the spring position. By the way - the numbers on the carburetor mounting flange refer to part numbers. Good luck, AL". ATS Sold Separately. I followed these directions to a t and repeated them and the result was an engine accelerating out of control. "@context":"https://schema.org", This will cause the throttle to open wide. Hi All, I have a 2003 Hustler Mini Fastrak with a Kohler SV530 which has worked flawlessly, until now. Pretty simple, loosen the 1/4-20 hex head screw and nut that clamp the governor lever to the shaft. Copyright 2023 Leaf Group Ltd. / Leaf Group Media. Place gasket in position on back of governor body. 62K views 9 years ago This video provides step-by-step instructions for replacing the governor spring on Kohler small engines, commonly found in Toro lawn mowers. 14107 2832309131 The gov arm has three holes. I haven't run it with the deck yet. Home & Garden; Patio, Lawn & Garden; Lawn Mowers, Parts & Accessories; Lawn Mower Parts That's the screw at the throttle plate quadrant where the governor rod hooks to the carb. Thanks for any help . "dateModified": "2014-09-22", Install all the throttle linkages, governor parts, etc., in their respective places. Kohler CH18-62600 18 HP (13.4 kW) Exploded View parts lookup by model. Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them. That's the screw at the throttle plate quadrant where the governor rod hooks to the carb. 7. The Fora platform includes forum software by XenForo. The governor is mostly situated on the left side of the engine, mostly on the 'starter side'. $2.27 Options Add to Cart. HV L""bwwww`www7S=c;or|o{xs'| 3.^^\<>xprw|{x Actually, We don't know why Kohler made the link adjustable. The lawnmower governor is designed to maintain the engine speed set by the throttle lever, regardless of the load imposed. Posted September 2, 2014. Nature of the industrial beast nowadays.. Do not exceed 3600 RPM. The venturi in stock #28 carburetor measures .920" in diameter, and flows 84 CFM. When the force of the governor gear is equal to the force of the governor spring, your engine's RPMs are maintained at a constant speed. $31.45. So just remember that everything is not cut in stone, don't give up if the recommended fixes don't work, keep trying! mVFHO*Wy]X9m7P/oo4(#9q 7~ui%xZ"D)!7:!4PEZa1&y4E* t3qk'tQJ!0%`x(N^C0 :v "width": 200, And I think you PTO bearing needs replaced. Kohler 25-158-11-S Throttle Linkage Bushing (Pack of 2) Kohler 25-158-11-S Throttle Linkage Bushing (Pack of 2) $12.49. spring. I have a case Ingersol 444 with the 14 HP Kohler engine - which I am not sure, is setup properly. "author": { I am going to take a closer look at the holes to see if I can find any wear. ($), Shipping cost: [AKeagU.U\67-3s Loosen the bolt that clamps the lever to the governor cross-shaft that protrudes out of the engine block. A forum community dedicated to garden tractor owners and enthusiasts. Any K321, or 341 I've seen, or have, is set up like Arti's picture. This video provides step-by-step instructions for replacing the governor spring on Kohler small engines, commonly found in Toro lawn mowers. Make sure the carb bolts are tight and not creating an air leak. When the engine slows down while cutting through thick grass, the governor opens the throttle automatically, thus maintaining the preset engine speed. Your Kohler engine's governor regulates, or governs, the speed at which your engine operates. For cold weather operation, position air cleaner cover with snow ake decal out. A governor tries to lower the rpm using a force varied by engine rpm. But if this doesn't fix the problem, then perhaps a governor part inside the engine is damaged or the screws came out of the throttle plate, where it fastens to the throttle shaft. These engines have a governor that is connected to the throttle to keep the engine running smoothly under varied workloads. And then you need to locate the governor shaft connected clip, turn the underneath part in a counterclockwise motion. It went flying accidentally, and not sure how to put it back where it belongs. Pull the linkage (still connected to the carb) all the way to the left (ccw) so that you are at max throttle. Price: t $$I%.IJI%)I)JR)JR)JR$I%)$I$I$I$I$I$II$I$I$ It also analyzed reviews to verify trustworthiness. This rider is a hydro. craftsman 42" riding mower Kohler CV15S 15. . This is what they try to tell you, they choose a hard way to remember it. 4-12.75 HP Horizontal Crankshaft. I don't know if the springs are all the same according to spec numbers or are different.. My spring is 3 times that long My throttle lever is mounted on the fan shroud. "Turning the crosshatch counter direction works but clockwise didn't" ?? There are 0 customer reviews and 5 customer ratings. HKo8s*q6]!AD,!;$-W[Cc%rL?kv7B}PBa>R nj8-Iw "userInteractionCount": 5 I have a John deere STX38 with a Kohler command cv14. I don't have the weight of the deck on it, so that might solve that issue. Mar 18, 2018 / Kohler engine surging, seems to be governor #3. Engine RPM is not set by the governor spring. This is how they taught us in Briggs factory school. I might have an old auto tach on a tune-up meter. Insert your nail into the hole that has opened up in the cross shaft. Governor should have little effect on idle speed. It's used on the 10hp (model K241), 12hp (model K301), and small opposed flathead twin-cylinder engines. I can hear the governor working when pressing hydro pedal to go forward and reverse. #2 Max rpms for courage engines is 3200-3400 rpms as stated in your manual. 95xxxx): Align and mount the Throttle and Governor Springs throttle control bracket to the top of the crankcase 1. Many books say turn it clockwise or counter clockwise depending on the engine. Your governor linkage is now properly set. When you open the throttle with the engine dead it could pull the carb wide open. Now the thing just wants to surge under no load it was doing it before but not . In Stock, 20 available. Kohler 25-158-11-S Throttle Linkage Bushing (Pack of 2) $11.26. Sq Neck Bolt Rhd. Tighten the nut and that will do it. I can hear the governor working when pressing hydro pedal to go forward and reverse. Had the same problem with a briggs engine, as to how to hook up the gov. Follow the governor rod, which goes through the throttle linkage and protrudes from the side of the engine block. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. And you should have the governor spool top with a regulated governor shaft. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", Move the governor lever toward the carburetor as far as it will go, (wide open position) Hold in this position. The cross shaft is located directly above the governor spring, which is the only spring on your governor so it's easy to identify. Thanks. Are you saying that once you engage the blades or move out of neutral, the throttle works as it should or is the engine speed just increasing because it is now under a load? You can also go here for further details and pictures: Optimized for 1024 x 768 screen resolution. I don't have the weight of the deck on it, so that might solve that issue. $8.17 Options Add to Cart. With the arm still in the carb full open position, TURN THE GOVERNOR SHAFT AS FAR AS IT WILL TURN IN THE SAME DIRECTION IT ROTATES WHEN IT OPENS THE CARB. With the venturi removed, it'll flow 110 CFM, which is about 1.3 times or 77% more airflow. Move the arm back and forth, the carb will go from idle stop to full open. Governor Spring 1508907S. Please try again. I need to increase the tension a little as engine slows way down with the tractor just pulling itself up hill, then seeds up again on level terrain. By creating an account you agree to the Hunker, How to Adjust the Governor on an Onan Engine, How to Adjust the Governor on My Tecumseh Engine. Push the governor lever towards the carburettor. For instance, many Cub Cadet lawn tractors are powered by Kohler engines. Get outdoors for some landscaping or spruce up your garden! I think the engine governor noise is more subtle because it is a 14 hp. To search for a word or phrase in this Web page, with Microsoft Internet Explorer 6.x, press CTRL+F to open the Find dialog box. Thanks for posting all this great info you found on Brian Miller's site. I don't ever recall having to change this unless there was an above mentioned binding issue or worn governor arm to throttle arm linkage looseness/etc. At the moment the generator runs well enough, with voltage, under load or idle, at between 119 - 121, but the operation and speed is not . This spring is to keep play out of between the carb and the governor arm for smoother running. Just remember it ALWAYS turns in the same direction it turns to open the carb, and it is always set with the carb wide open. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V. When I go from reverse to forwoard, the front wheels pop off the ground. Welcome! Actually there "is" a spring on the throttle linkage. The problem is by adjustment for one thing you screw up something else.. K(I1 S Jd$I$H$$I$)st))&!$.h]IvK]K] I$DJ@$RLIIF Refer to operating instruction of equipment that this engine powers. spring. Information about the Kohler Carburetor, Various Fuels and Fuel Systems. trailer << /Size 120 /Info 104 0 R /Root 107 0 R /Prev 214289 /ID[<9fed5e4c85caf28a7725140f2c7ce5a2>] >> startxref 0 %%EOF 107 0 obj << /Type /Catalog /Pages 101 0 R /Metadata 105 0 R >> endobj 118 0 obj << /S 265 /Filter /FlateDecode /Length 119 0 R >> stream Bought a new one from New Holland ant it was too long also, so I bent it like the old one was. Set throttle with the idle adjustment screw. But I am not sure how to set sensitivity. Please refer to Kohler publications TP-2379 single-cylinder engine manual, and P-2377-D carburetor reference manual. Come join the discussion about performance, modifications, attachments, classifieds, troubleshooting, maintenance, and more! Let us know. Shift Fork. When I go from reverse to forwoard, the front wheels pop off the ground. I know you said you have a red spring (which is the correct one), and the chart does not list a red spring. I would start by putting the spring in hole number 2 on both the governor and throttle levers. Kohler states the "normal" position of the spring is the 3rd from the bottom. (adsbygoogle = window.adsbygoogle || []).push({}); By Better throttle response is a carb problem.
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