Apparently its supposed to be about 230PSI. Mudcat, Thank you for the info.. Will try the adjustment. Going to keep spraying some in there this week and see if more will loosen up. While round baling with our 656 the pto stopped and would not run the bailer with hay in it. When you engage the PTO absolutely nothing happens.no sound no trying to start. They will act as legs and you can stand the removed unit on them and the 540 output shaft. "@type": "ImageObject", Dug into the PTO on my 656 which has never worked since i purchased it. Kit includes remanufactured pressure plate, remanufactured disc, release bearing, pilot bearing, PTO Seals, and PTO Bearing Cage O-Ring. Guess thats the fun of it all sometimes. in) six-cylinder diesel engine and one of three transmissions: a sliding gear transmission with 5 forward and 1 reverse gear, a two-speed power shift transmission with 10 forward and 2 reverse gears or a hydrostatic tran. Purchased this from the original owner and according to him he never remembered using the pto so this has me a little worried. Joined Jan 20, 2009 Messages 3,958 Location Carroll, Ohio Tractor IH Farmall 656 gas/ IH 240 Utility/ 2, Super C Farmalls/ 2, Farmall A's/ Farmall BN/McCormick-Deering OS-6/McCormick-Deering O-4/ '36 Farmall F-12/ 480 Case hoe. Without this tool the entire unit needs to be placed in a press twice for disassembly and twice more for assembly. I went to bench check the piston/clutch pack on the workbench with shop air, and had nothing. If you feel some resistance it may be the dowel pins. Push the spool top (threaded end) in or down until the bottom of the spool can be pulled out through the plug hole. Details. Red Power Magazine If it does not seem like it's the dowel pins, it could be that the greased thrust washer fell off and you are crushing the index tab. John Deere and its logos are the registered trademarks of the John Deere Corporation. IH PTO Problem - Help!! - TractorByNet This is a New PTO clutch tool for IH tractors 656 through 6788 with a single speed or dual speed PTO unit. Then can have it rebuilt. With the mower off the ground, tractor ~1200rpm, engage the PTO---there is a horrible racket that sounds like gear teeth sheering, things flying apart, etc for about 2 seconds until the mower blades get spinning. The 1000 RPM shaft seal installs from the rear or outside. Please email Joe before shipping any return. Posted January 17, 2020 Rebuilding the PTO on my 656 gas. The PTO has its own pump. I was hoping the small pin had broke but unfortunately this was not the case. I got the PTO all back together. "text": "Went out to brush hog a little the other night and it seemed as though the PTO was slipping on my 656. I'd take an unused PTO that needs something to make it work over a worn out one, for sure!. The nut at the top of the unit can be unscrewed and a new seal pressed into the nut. Basically you need to push the carrier drum down Jam nut or set screw. *Estimated engine power for comparison only. Install the clutch discs. Rigged up a gauge and only got about 130PSI. It pretty much takes up all the available threads on the stem. Did you totaly rebuild the PTO or just put in the clutches. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. housing. }. Grease the inside of the drum (especially at the lip surface) and the 1000 RPM shaft. "@id": "https://www.yesterdaystractors.com/" Got everything cleaned and resealed. According to the IH parts site the 656 takes 12 # 381489r2 discs & 5 #381490r91 discs. You can either use a press again, or the same tool Consult official Just do not damage the outer brass washer next to the 540 seal. Push the spool top (threaded end) in or down until the bottom of the spool can be pulled out through the plug hole. Is this correct, or is it supposed to be a tight fit(like a roll pin)? and only supplies pressure to the PTO unit). Better but still not in spec. "mainEntityOfPage": { I put a 8' dual spinner Bushhog on it. "width": 200, '56 IH 350 Utility Gas, '47 Farmall H Gas, '08 Bobcat Toolcat 5600 Turbo Pineray Dairy (RIP) -- 1880-2015 5 generations and 135 years of quality milk production removed, it cannot be disassembled while it's in the tractor. d. k. (800) 853-2651Shop Now TRACTOR PARTS Allis Chalmers Case & David Brown w/3 spd Aux. If you were having slippage the disc's are most likely toast already. PTO Drivelines & Parts; SMV Signs; View All; Tractor Accessories. Welcome! Ive never checked or adjusted the PTO pressure before, so thought it was a good time to do so. "name": "Timwafer" Thanks! What I have done in past on the ones with no jam nut, (blue arrow) I have tapped the block on top of spool shaft and put a small allen set screw to use as a lock to keep spool from unscrewing and lowering PTO pressure. You set the pressure by screwing in or out the linkage on the top of the pto where the engange lever fits up. NOT going to complain about it being not used very much but needing repair!!! You were supposed to put Loctite on the threads. is to be used again. Rear end pretty clean otherwise. If you can get 185 that is all a 656 needs. the outer lip seal and inner o-ring Good to know about the top pressure also being lower from the factory. "@context":"https://schema.org", Farm Loaders published in 1965, by International Harvester, Spring 1968 Buyer's Guide published by International Harvester, Summer-Fall 1968 Buyer's Guide published by International Harvester, Spring 1969 Buyer's Guide published by International Harvester, Spring 1970 Buyer's Guide published by International Harvester, Spring 1971 Buyer's Guide published by International Harvester, McCormick Farmall 656 Tractor published by International Harvester, Farm Equipment Reference Catalog published in 1965, by International Harvester. FREE SMALL PACKAGE SHIPPINGon orders above $249.99. Got everything cleaned and resealed. If the unit was working satisfactorily before removal, count the number of turns or threads until the block come off (this will allow you to keep the same pressure setting). Since it was late anyway, I quit and headed for the barn. The fluid is full and i changed the filter. The pump When this valve is activated, it directs oil The three springs will sometimes half-thread, or kind of bind onto the brake pistons. Kinda looks like time to remove the unit. This snap ring is a stop for the clutch piston so it cannot over-stroke if the clutch PACK becomes too worn. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. Jun 3, 2011 There may be a bypass valve plumbed into the system that you have to flip. That hole in spool is what you can insert a small tool to screw it into or out of that top block to adjust pressure. Use a new gasket or small o-ring (which ever style your unit has) in the pump housing groove for the gasket style or o-ring in the pump housing, and work the pump assembly down through the clutch discs with a turning and jiggling action. The store will not work correctly in the case when cookies are disabled. "@type": "ImageObject", Did a complete engine overhaul this fall now this happened. Be careful Remove the 2 1/4" bolts, and install the snap ring on the shaft. Install the Idler gear. Looks like the square adjusting nut on your spool is threaded on quite a ways and threading it down tighter probably won't make a difference. Original price: $11,875. "datePublished": "2014-09-05", back while unit is still in the tractor). One reason is the new nut with seal does not support the spool as well as old style did as seal was way down inside. . (There is a slip clutch and it does work if you hit something solid). Powered by Invision Community. Using a radiator hose clamp and a thin piece of plastic or cardboard, (to protect the new seal from the screw part of the hose clamp) slowly draw the clamp tight around the seal ring, making sure it is fitting into the ring groove on the drum. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. Thread in 2 1/4" X 4"+or- bolts into the threaded holes in the top of the clutch piston. of the three brake piston springs will push the cover away from the unit Now I have to take it all apart to find the pin(assuming its in a passage somewhere). }, Got out the manual and read how to adjust it but noticed on mine there is a nut (like a locknut) underneath the T shaped nut that the linkage hooks to. International 656 PTO - Yesterday's Tractors I guess my big question is I see a lot of information/posting about the pressure relief valve. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. "@type": "Organization", Jim, the pto was not completely rebuilt just the new clutches installed. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Glad you found the pin and all ended up fine!!! My hitch does drop down when not running. When they went to a lock nut and higher pressure pto they changed the spool valve, large nut with seal in and went to a thin spacer. { "@type": "ImageObject", Seems this could be related to a leak in the return line above the PTO? Remove the jam nut if there is one, and any spacers. The PTO unit on these tractors is a self contained assembly that is bolted to the rear frame of the tractor. Some blocks will have a jam nut securing them and others may have a set screw through the block. If I really needed it now I might be a little more concerned!!! Install the seals. in the Farmall & IHC Tractors forum followed by comments. Remove the gauge and install the plug. Do not exceed 300 PSI or you'll damage to clutch pack. The original configuration starts out with two steel plates, the one fiber etc., and ends with two steel plates. S/N 2118). Going to go ahead and pull the pump out and see whats going on. I have overhauled many ptos where the pin had been broken and I have never found the pin in the pto unit. Mudcat, Thank you for the info.. Will try the adjustment. If you cannot turn it by hand, it may be that you have one too many plates in the clutch pack, or the pump is not through all the discs. S/N 2118), Mechanical TA Gasket Kit, IH 330 340 350 460 504 544 606 656 664 666 686, 3 Point Stabilizer Yoke, IH 544 656 664 666 686, Stabilizer Control Arm, IH 544 656 664 666 686, Clutch Alignment Tool, IH, 2504 2544 2606 2656 300 330 340 350 3616 504 544 606 656 664 666 686, PTO Clutch Pack & Gasket Kit w/ Brakes, IH 656, 666, 686, Door and Window Seal Kit, 186 - 3788 Series, Clutch Booster Output Rod, 786 886 986 1086 1486 1586, Flywheel with Ring Gear (D407 / D361), IH 806 856 1026 2856, Flywheel with Ring Gear (D310 / D358), IH 706 756 786 826 886 2706 2756 3088 3288, Flywheel with Ring Gear, IH 966 986 1066 1086 1466 1486 1566 1586 3688 4166 4186, Battery Door / Side Panel Thumb Screw with Retainer, Manifold Gasket Set (Gas), IH 460 560 606 656 660 666 686 706 756 766 806 826 856, Hydro 70, Hydro 86. Use of this Web site constitutes acceptance of our. "name": "D. Kerr" The discs should be loose. TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. Huge selection of new, used, and rebuilt 656 tractor parts from All States Ag Parts. "@type": "WebPage", The large snap ring holding the clutch PACK can now be removed along with the clutch PACK. threaded holes in the top of the clutch piston. By use of the 2 bolts as handles, pull up with a twisting action to remove the piston. The constant running shaft powers a hydraulic pump driven by the The hydraulic pump supplies oil pressure to a control valve inside Rigged up a gauge and only got about 130PSI. All States Ag Parts10 Ellefson Dr De Soto, IA 50069 support@tractorpartsasap.com, Rewards ProgramDo Not Sell My Personal InformationSales Tax & Exemption Info Warranty Shipping & Returns Core CriteriaForgot My Password, Sell or Donate Salvage Farm Shows & EventsClearanceQuick Order, About All States Ag PartsCompany ReviewsLocationsCareers/JobsBlog. Also, most likely it has the original lower pressure spring and spool. The PTO works very well, but I have a question for you in-the-know types. The lip seal has to jump over sharp lip in the drum; if it is real sharp you may need to sand the sharpness off of the lip with emery cloth. I always put an allen screw to lock threads. Does it have a lock nut(newer style spool,higher pressure) on the adjustment and a washer about 1/8th inch thick or does it have a thicker spacer and no lock nut. Found just by raising the stem a hair more with a screwdriver it went to 180PSI. Havent pulled it but reached my hand down and there was at least a good 1/4 of goop all over the pickup screen and tube. This information pertains to the PTO unit of IH tractor models 706-1486. '65 Ford 2000 3 cyl., 4 spd. Last year I had trouble with the PTO slipping on my 656. . Install the gear and spacer on 540 shaft. Install the idler shaft with one thrust washer facing up towards idler gear. 656 PTO pressure adjustment? - Yesterday's Tractors I went to bench check the piston/clutch pack on the workbench with shop air, and had nothing. I read how to adjust the pressure and found it was way too low but adjusted it up where it belongs. (This is only for protecting the seal). Part #s: 388616R91 388616R91R Kit includes remanufactured pressure plate, remanufactured disc, release bearing, pilot bearing, PTO Seals, and PTO Bearing Cage O-Ring. be warmed up in hot water, stretched, installed, and re-compressed). Thanks! International 656 Diesel tractor ihc wide front ,3 point with center link need tlc, one rear tire like new, has blow by and a couple oil leaks Located by Stuart Ne. Size:11"Hub Size:1-11/16"Spline Count:16PPA Levers:3PPA Springs:9 Coil SpringsFlywheel Disc Spec:4 Pad; 1-3/32" 10 Spline Hub; Spring CenterFlywheel Step:1.437". S/N 1945), Diesel Engine (Eff. NOTE: If the adjusting nut was loose on the valve spool you will need to set the working pressure. Feel free to email us with your zip code for more details. Trans Im going to look for the pin tonight, it has to be in the unit, it hasnt left the bench since I replaced it. This unit can be removed from the rear Report to Moderator . With the bottom plug out I can pull the handle and the valve moves up and down within the housing. If they don't, then set the springs on their pads on the rear cover (you should have it facing up at this point). Have you pulled your top link cover to investigate? input shaft of the PTO unit. If you choose to return the cores both disc and pressure plate must be returned for the full refund. The spring pressure Just sayin, you purchased from original owner and he never used the pto??? As far as the nut. Those tractors are not putting out all that much horsepower. Install the large coil spring, using the PTO tool to compress it enough to install the C-type snap ring. ", TractorData.com International Harvester 666 tractor information Note: None of this information is not meant to replace the use of a service manual. That is the older spool that never had a jam nut. "author": { I've found online . 656 hydraulic question | Tractor Forum "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", "dateModified": "2000-06-26", "width": 200, I can't start the mower at idle -the motor dies! All Rights Reserved. When the pump housing is completely down and through ALL the clutch discs, line up the bolt holes and make sure the idler shaft flat surface is alignedwith the pump housing. "userInteractionCount": 5 Lay a new gasket on the up-side of the rear cover. will be pointed straight up. "publisher": { A lot of the time the seal on the piston will get hard and leak. I then disconnected the linkage and manually lifted the valve up, and got 210. international 656 PTO in reply to D. Kerr, . Sign up and get monthly updates on new parts and help fixing IH tractors. Red Power Magazine Using the 2 1/4" bolts as handles, work the piston down with a twisting action into the drum. I do not see a "nut" or is that within the housing? "datePublished": "2000-06-26", Thank you that is the information I needed. If you were having slippage the disc's are most likely toast already. The price includes the core charge so there is no need to return the cores, however a $75.00 credit will be refunded if you choose to return them. January 17, 2020 in Technical IH Talk, Rebuilding the PTO on my 656 gas. Viewing a thread - IH 656 PTO Clutch - AgTalk It is only 6 bolts and a whole lot easier than pulling the PTO!!! }, Flywheel Disc Spec:4 Pad; 1-3/32" 10 Spline Hub; Spring Center, 3616 - Gas Engine (Eff. I dont see that locknut pictured or mentioned in the manual. "@id":"https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=farmall&th=965665", Inspect the JUDAS pin that hols the top and bottom of the valve together to make sure it is present and not broken. No doubt!!!! The full engagement, however is only 135. Of course you will have to fix the linkage so that you can get full travel. International Harvester 656 Transmissions 5-speed sliding gear 10-speed two-speed power shift hydrostatic Transmission details . You set the pressure by screwing in or out the linkage on the top of the pto where the engange lever fits up. I plan on pulling the cover anyway to check the return line. So whatever is wrong will require removal to repair. Inspect AHHC Specialist How-to adjust a PTO - YouTube Posted: Fri Sep 05, 2014 6:32 am Post subject: 656 PTO pressure adjustment? One reason is the new nut with seal does not support the spool as well as old style did as seal was way down inside. I dont think it was cut. A lot of the time the seal on the piston will get hard and leak. I have seen where they don't always attach solid and after 50 years i could see maybe it detatched itself. This topic is now archived and is closed to further replies. This topic is now archived and is closed to further replies. If new shafts are installed, the bearings will need to be transferred to the new shafts. Please use the navigational links to explore our website. International Harvester / Farmall 656 Parts - Yesterday's Tractors The control valve spool is serviced by removing the adjusting nut/block from the spool. 656 Tractor Parts | All States Ag Parts There should be lookd like to me the blue seal ring is cut. Well..Pulled the rear cover. Inspect the inside bore of the valve body where the 2 teflon seals ride. Consult official Thanks for the reply! Product Overview 11" Clutch kit for IH 656, 666, and 686 tractors. "publisher": { }, Thanks everyone!! Found just by raising the stem a hair more with a screwdriver it went to 180PSI. plate. Has anyone had this problem or know what can be done to fix it? the valve housing of the unit can now be removed. replace shafts, brakes, or clutches within the unit. When I first replaced that pin it was a fairy loose fit, even with a new pin. Modern View Forum powered by phpBB 2001, 2005 phpBB Group. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", Farmall (a part of International Harvester), International Harvester 4.6L 6-cyl diesel, International Harvester 4.3L 6-cyl gasoline, International Harvester 4.3L 6-cyl LP gas. What is a Core charge? "text": "While round baling with our 656 the pto stopped and would not run the bailer with hay in it. If there is grooving in the housing it will need to be repaired or replaced. Remanufactured PTO Assembly - Dual Speed fits International 966 1486 826 1456 806 1256 756 856 1466 986 3388 Hydro 100 1066 Hydro 186 706 1086 886 . The early models didn't have the lock nut. Stop the engine. This tool is needed to compress the big clutch piston return spring and also to compress the brake piston return springs. There is an adjustment on the rod going into the unit. Couple questions on dad's 656. You will need to tighten the clamp as tight as the clamp will allow. Did a complete engine overhaul this fall now this happened. sump tube which angles down towards the bottom of the rear frame I'm curious of how you determined the pin is alright. Start by removing Lift off the valve body. "@type": "InteractionCounter", Pop the top link cover off first. The early models didn't have the lock nut. the PTO unit housing. If we can ship it cheaper, we will refund the excess. At any rate, 185 was original on an 806 so you don't have to get near that 235 on a 656. Your pickup tube could have fallen off or the screen plugged. One reason is the new nut with seal does not support the spool as well as old style did as seal was way down inside. Thanks. 270 psi WAS never normal . "@id":"https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=farmall&th=78505", If it is all the way up and pin is not sheared unit will have to be removed. The 8302271 IPTO Control Valve Assembly fits equipment brands such as: International See more Specifications Related Products See More Products Specs / Cross Reference Reviews (1) Model Fit Product Specs New/Reman New Sold As Each Warranty 1 Year Documents & Resources - IH 06, 26, 56, 66 & Early 86 Series PTO - Exp View Cross Reference Numbers
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