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Broken Predator Compression Release? - High Compression and Hard to Start

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This Predator generator is in new condition and has almost no hours on the engine. The prior owner went to start it and found it was very hard to pull over. The compression release appears to be broken and the engine is at full compression. He called Harbor freight to order a new camshaft and was told the part is not available. So he sold it to Kenny who passed it along to me. Lets dig in and verify the diagnosis and fix the decompression system.
Generator Model: Item: 68529
Camshaft: 68529-44
Trick to free a stuck compression release (sometimes): • PredatorACRKenny DROP ...
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#GeneratorRepair #SmallEngineRepair #SmallEngine #DIY #Fixed #Troubleshooting #HowTo #PredatorEngine #PredatorGenerator #HarborFreight
ACR, Alternator, Borescope, Broken Compression Release, Compression Release, Compression Test, Engine Cover, Feeler Gauge, Fixed, Flooding Carburetor, Full Compression, Generator, Hertz, High Compression, How To, How-To, Leaking Gas, Load Test, Predator Generator, Predator, Rebuild, Repair, Rotor, Small Engine, Stator, Stuck Compression Release, Sump Cover, Tear Down, Teardown, Troubleshooting, Valve Clearance, Valve Lash, Volts, Wiring

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24 авг 2024

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Комментарии : 483

@waynestefinashen239 Год назад

James it is the OLD MAN at Eliminator Performance saying what a great video this was and kudos to Kens Small Engine for supplying this generator. My buddy has a habit of lifting the front wheels of his mower and banging it down whenever the engine is not running properly. Surprisingly enough i have seen him do this and it clears a stuck needle valve. Do you think that if this generator would have been shocked in a similar fashion this would have released that stuck compression release assembly? Basically, once you saw it on camera and prior to disassembly do you think it would be worth a try?

@jcondon1 Год назад

Definitely worth I try. I edited that footage out. I rotated the engine until the compression release weight was up. Then lifted the engine side up and dropped it hard on the ground. It did not work in this case, but think it could have if I lifted the machine a little higher before dropping it. I was half expecting it to stick again due to damage so ended up going in. In retrospect I should have dropped it harder.

@jcondon1 Год назад

Here is the drop footage. Definitely should have dropped it a little harder. Just uploaded. Will be available shortly. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-6oU2PM0IUPk.html

@bobwilson7684 Год назад

@@jcondon1 hi James, allow me a necessary joke here, that is to say, if you never heard this before, that your surname is a very complicated for a surname if you ever go to a Spanish speaking country hahahaha ;) cool video, keep it up🖖

@wjodf8067 Год назад

@@jcondon1 percussive maintenance does not let you get out all the neat tools and make a video you sould get a clean machine once in a while with all the parts

@bobpegram8113 Год назад

@@jcondon1 😢

@swallowinn4410 Год назад

Hello James. Great video, just a small suggestion for your water removal of the stator. Put 2 nuts on the bolt and lock them into place at the length just short of bottoming on the threads. This will be a hard stop prior to bottoming and allow you to run the bolt in as fast as possible to generate maximum pressure. With your experience not necessary, some novices may find this a thread saver.

@jcondon1 Год назад

Great idea

@davidlamberson5435 7 месяцев назад

I am a school trained H-D Technician. I got out the business in 2008 when the recession closed my dealership and put a hurt on the industry nationwide. I have done all kinds of jobs since then but have had little interest in mechanical work. RU-vid and videos like yours have got me interested in wrenching on stuff again. I will be retired soon and I was planning on repairing and flipping cars in retirement for😊 money and something to do. Now Im thinking my little 1 car plus garage might be perfect for small engine repair. I suspect I have the lions share of the tools needed for such work. Keep making Videos. Thanks.😊

@toolwarrior1773 Год назад

Even though I likely will never do what you do on a daily basis, I still enjoy learning why these pieces of hardware you work on fail. This video was yet another example. I knew about compression release making things easier to start, but this is the first time the mechanism has been explained in a way that is easily understandable. That is what I really appreciate about your videos. You don't just turn on a camera and do things. You often stop and explain why things work the way they do and equally importantly, why you are doing what you are doing. Fantastic job, James. Keep up the great videos.

@johncourtneidge Год назад

Yes!

@richb4099 Год назад

I really love the water trick to remove the rotor. I've pulled apart many various machines and have had rotors that refuse to come loose no matter what I've tried. The compression release info is very helpful too. I don't work on a lot of small units but it's good info......Rinky Dink is the way I'd describe the compression release mechanisms......and when one doesn't work it really complicates repairing a small machines engine....

@somejoe7777 Год назад

James, have you ever tried to use a slide hammer to remove the rotor? I think it would be far easier than using the water compression method.

@TerryLawrence001 Год назад

I love that you left in your assumptions and didn't just jump to the compression release. It is awesome how you include so much detail in how you are thinking as you work!

@eastcoastwatch672 Год назад

Man that is an immaculate machine, it’s still brand new. I think the sticker was on right, I don’t think it was an arrow but an international indicator of wide open to the right and to the tiny opening or closed to the left. Great trouble shooting find of the compression release problem. You have an immense knowledge of generators and small engines, we are learning a lot from you! Thanks!

@phillipbecker453 8 месяцев назад

I think the sticker was correct too.

@TerminatorJuice 7 месяцев назад

Yeah, I was scratching my head when he was taking about the sticker and then flip it the wrong way... Lol

@haneyoakie14 Год назад

I am channeling you today James. I bought a generator, a Dayton from 1980 with an 8 HP Briggs on it. I pick it up at the auction site this afternoon and get to playtime.

@waynestefinashen239 Год назад

Good luck on your purchase should make a good video buddy, hope you can get it up and running.

@haneyoakie14 Год назад

@@waynestefinashen239 thank you Wayne. I hope at least parts of it make it to my channel. It is a majestic piece of generator manufactured back when things were well made. I’m excited about it.

@haneyoakie14 Год назад

@@waynestefinashen239 I have some video of it running on my channel and the gas tank has been sitting for 24 hours now filled with a 50/50 mix of water and muradic acid. Tonight I will see if the original tank is good to go. I got the glass sediment bowl spotless.

@waynestefinashen239 Год назад

@@haneyoakie14 Hopefully the tank holds up and does not need replacement

@haneyoakie14 Год назад

@@waynestefinashen239 I ended up leaving the acid in a while longer because it still has work to do.

@zrkn1 Год назад

Ken, you are a stand up guy for supplying this genny. How great is that people?

@UhBuddy1976 2 месяца назад

As a small engine mechanic, I would say that it got stuck from sitting without being ran too long. While this is rare, it apparently happens. BTW, I love watching your vids. You’ve taught me some things.

@kriswright1022 Год назад

New case gasket, used camshaft, fresh oil, no cleaning necessary,...... this one was an easy ( ? ) repair! Well done again, my friend.

@jonminer9891 Год назад

Hi, James. I agree with your guess that those little bits of metal jammed the compression release. Thanks for sharing! Stay Healthy!

@philliphall5198 Год назад

I had a new Honda GX390 that did that and it was really stuck tight They finished new cam and gasket

@johncourtneidge Год назад

Yes, me too!

@johnmeyer8495 Год назад

Always waiting for the next project you have for us avid small engine and genny enthusiasts James, you truely are a motor master and your diagnosis and repair skillset is most commendable. I have my own little electric start 6.5KW genny, which I have had to leave in storage for a few years that has been given a new lease of life thanks to your channel. I must confess the smell of vanished petrol I had keeping me company during the refit of my genny refit has again brought an added dimension to what we all sometimes miss out on with your projects only because of the details has us almost there with you. Another perfectly good machine working perfectly again due to your abilities...Bravo sir

@jcondon1 Год назад

Thanks

@krzysztofsoja5301 Год назад

Hello James. It is really nice to the rise of the amount of measuring equipment. First it was just a killawatt, then oscilloscope, THD meter, now sound level meter. Nice to see you upgrading your capabilities. I see the potential use for some laparoscopy tools to fix stuck compression release without opening crank case :D

@chrisdevitto4340 Год назад

Just dealt with similar situation, pull start was so hard to turn over the previous owner had ripped engine and powerhead out of motor mounts. Luckily a valve lash adjustment and new motor mounts was the cure.

@bertgrau3934 Год назад

I agree with using the better camshaft, that's a lot of work if you put it back in and after a few more hours does the same thing. Better to go with what you know works. One thought, if you could have run a piece of wire in the engine and got the compression release working, that might have worked. I don't know if that would even be possible , just an idea. As usual another great video, educational, and informative. Thank you sir 😊

@user-eo7qm5lf7t Год назад

I wouldn't have checked the carb since you found the problem with the comp release. Thats what formal or alot of experiance adds to the job. you can work on my motors anytime, great job !!

@petergardiner4359 7 месяцев назад

So good to see you using a drill when ever you can. As an industrial electrician for 40 years with 100 stitches in each hand from carpal tunnel its very important to reduce strains.

@billharris6886 Год назад

Nice fix Jim, you make it look easy! Having a second problem adds to the troubleshoot, but fortunately, the 2 problems were easy to separate. I bought the 8750/7000 Predator in 2016, it had the same hard pull start from day one. I looked at RU-vid videos at the time to see if other people were having the same trouble. I didn't see any, everyone appeared to have no trouble hand cranking the engine (I also did not know the engine had a compression release). So, I assumed, since just turning 61, my strength was declining or I was using the wrong pull technique. To compensate, I used the diesel starting technique (where you preposition the piston so it is just past the compression point), which worked. However, after 20 - 30 hours of run time and 2 oil changes, the hard starting problem went away so, I assumed it was a poorly machined part that needed additional break-in. I wanted to point out that all torqued fasteners must have some type of lubrication on the treads, or the reading is invalid. This is because dry threads have some degree of binding, and thus, throws off the actual torque reading. I use axle grease on all threads, except those that will experience high heat, in which case I use anti-seize lubricant. The grease is especially useful with aluminum cased engines, due to the galvanic corrosion that takes place between the steel and aluminum, making disassembly much easier years down the road.

@jcondon1 Год назад

Thanks Bill for the tip. I am always hesitant to use lubricant on small engine bolts. The only service manual that gives specs for wet vs dry is Subaru. The others say nothing.... Also thanks for all your hard work with the EM500. I am still working on two generators, one of which is on the lift. With any luck I will get that off tonight and free up the space for some EM500 testing.

@billharris6886 Год назад

@@jcondon1 Thanks Jim!

@JFirn86Q 8 месяцев назад

If the manual does not specify wet for torque (lubricant), then the industry standard is to assume they are referencing dry torque. If you put lubricant on the fasteners when the manual does not specifically say wet torque, you will most certainly be over-torquing your fasteners. However, yes the lubricant is great to add for corrosion reasons with dissimilar metals and such.

@billharris6886 8 месяцев назад

@@JFirn86Q The problem with "dry torque" is the tolerance is huge due to various surface conditions of the fastener and threaded hole. On one extreme, you can have corrosion causing binding or, on the other extreme, if the fastener has been removed/retorqued several times, the threads are loosened up. Anyway... It may not be that important for this particular application, where the intent was to make sure the fastener is reasonably tight. Yes, putting steel bolts in an aluminum engine block invites disassembly problems years down the road. I always coat bolts with axle grease (or anti-seeze if near or on the exhaust) during reassembly.

@JFirn86Q 8 месяцев назад

@@billharris6886 I completely understand what you're saying. It's just if specs don't specify lubrication with the torque value, you never use lubrication to reach that torque value. You will over torque it compared to what was spec'd. The examples you mentioned are also for non-new hardware, which of course is a different ball game entirely.

@kevinfoster1213 Год назад

I've been watching the channel since the inception. I give a sigh of relief every time I see equipment on the lift. My back was sore watching Mr. J work from the concrete day in and day out. K

@paultice610 Год назад

Great video see you saved another one We need more people like you out there that are willing to fix these machines instead of throwing them in the landfill

@bobadam7021 Год назад

You sound just like me with it making you nervous to have an engine without oil in it. My father taught me many years ago that when you drop the oil in an engine you should be uncomfortable the entire time until you put oil back in. It's good advice.

@eastcoastwatch672 6 месяцев назад

I enjoy watching and learning all about small engine troubleshooting and repair from your videos. With that said, I have a pro tip for you, you should never start a bolt with a power tool, always finger start bolts so a cross thread can be detected, if ok then go to power tool to zip them in.

@ni_wink84 Год назад

What a clean machine, didn’t think it was 10 years old that’s for sure. That problem was a bit of an anomaly, but the design didn’t look too trust worthy on the CR, great job James! Excellent video as always, the water trick always impresses me with how well it works

@johncourtneidge Год назад

Yes and kudos to the original owner for maintaing such good condition! And what rotten luck for her/him that that pesky piece of metallic grit got in there!

@robertrettig7110 Год назад

Mr. James, you just demonstrated why I broke my predator in with 5 oil changes, with increasing loads over 3 hours! The first 3 changes had evidence of metal flakes. Last oil change I put 100% Valvoline Synthetic for further protection! I know to some they think I'm doing overkill, but I'm 70 years old and have been doing this since the 60's! How many early failures are caused by people buying generators at the last minute and just using them as is? I also of keep carb empty when not in use, and keep full tank of 100% fuel when stored, which gets rotated out every 3 months! These are mainly "what if I need it" machines and need to be ready to go! If I was a contractor, I'd be okay using regular 89% fuel, but I never use long term chemicals in fuel for storage.

@kenmitchell3784 Год назад

That engine was so clean it looked like you were working at the factory

@timothydolan5587 Год назад

Thank you for this indepth video about the compression release. I replaced a starter assembly on a eu3000is, installed a tuneup kit, clean both the carburetor and the spark arrestor and changed the oil. Presently, it turns over freely with the sparkplug out but gets barely a rotation in before stopping using electric start and very little movement to pull start. I set valve clearance and checked for the compression release bump on exhaust valve. It seamed to move a tiny bit but not compared to the bump shown in your video. I now have a good idea the compression release is faulty. Thanks for pointing me in the right direction.

@guataco Год назад

Hope you realize that your videos are a masterclass for people in your trade. I just enjoy the process and the narration. Muchas gracias.

@Idnrntigzzz Год назад

I subscribe to 137 RU-vid channels, and this is the only one I have notifications turned on for. Thanks for making great content.

@PabloDiablo682 Год назад

I really like that you measure the decibles. That would be a big factor if i were to buy one of these. All your tests tell you everything a person would need to know to make an informed decision.

@markmidecke6364 Год назад

A two year old story. My son lives in Liverpool NY ( a short distance from you I believe). His Toro self propelled mower had two issues. The transmission jammed and the compression release didn't work. He ordered the replacement transmission. We replaced it Christmas eve with it sitting on top of a garbage can. As we completed the job, the mower on top of the can fell over. Fortunately nothing broke. But it did dislodge the compression release. He's used it for two summers now without a recurrence of the problem.

@markmidecke6364 Год назад

@James_Condon.. ok??

@rstephe Год назад

Thanks Ken for helping us get another excellent project with plenty of bumps in the road. James, thanks for showing how the Compression Valve worked and heck of a find with that metal in the fuel inlet.

@Joe-mg6pj Год назад

Typically, sound is first measured at 50 feet from the source... so at 50 feet rather than 25 feet, I would expect approximately 6dB less. Great video.

@RC-fu6hg Год назад

Fantastic! I always wondered how the ACR worked and if it had any failures. Thanks for showing the difference between the ACR’s. And wow what a find that unit looks brand new still. 👍

@somerandomguy3868 Год назад

I have the current build of this same unit, it's 3 years old, just under 40 hours, interlocked to my house panel, power's everything without issue ( I don't use any sensitive electronics when in use ) it's break-in oil had a lot of very fine non-ferrous metal particles I was very concerned with that and researched possible causes, likely caused by dull tooling during the machining process, but everything is good it was only that first oil change, I've changed it a few times sense then, I also changed the plug to an NGK with that first oil change the torch plug that came with it still worked but I've had good experiences with NGK and just prefer them to other plugs and the choke sticker is properly applied on my unit, nice job on this generator you make it look easy and while it's not the space shuttle you were pretty deep in the engine and that is intimidating for most people

@donburton2407 Год назад

Another great fix. I need to drain two generators this weekend and try to rejuvenate the old fuel with some premium gas. Great job. I have 4 generators so keep it coming.

@tomz500 Месяц назад

So, I have a Coleman Powermate 6875 and it takes about 35 pulls to get it to start. And I noticed that last few pulls that it gets easy and then it starts and runs great. It's not super hard to pull but then it's very easy to pull. I'm guessing the compression release spring has broken and the the release eventually goes back into place and causes the exhaust valve to open and then starts. Great video. Thanks for making it!

@adeeponionbreath Год назад

Seeing a gleeful teen brings joy to my heart! Good dad!

@donaldelrod9172 Год назад

the sticker for the choke, is indicating the amount of air available to the engine, so it is correct in the orientation it is installed in.

@michaelmiller9452 Год назад

The choke sticker indicates air flow through the carb throat, not choke position. The choke closed (all the way to the left) closes off air flow. I believe the sticker was on right side up.

@MotoRestoFL Год назад

I have the exact same genset. Bought 2017 and I’ve run the heck out of it during two hurricanes both with 5+ days without power, and a few times in between for a day here and there without power. I push it 240 volts back feed the breaker panel with the mains disconnected. I did notice it getting more engine noise last storm, so it’s time for a maintenance inspection. I have a maintenance log attached to the frame in a plastic zipper pouch with everything done and run time since day 1. And yes, it’s a noisy b**ch normally, but I’m hearing some unusual sounds. I work on these also, so it’s no biggie. Cheers.

@johnmckee7937 Год назад

James, although I will never work on a generator I find them fascinating. I do feel like I could I diagnose one if I had to. Great work as always one case where extended warranty would have paid for itself.

@RustyNail5856 Год назад

Great job James. your son has a great Dad.

@davidmonteil6340 Год назад

Great job again James! I thought I'd ad some humor and show a couple things in an actual Wen GN6000 generator manual. lol Unpacking: With the help of a friend or trustworthy foe, such as one of your in-laws, carefully remove the generator from the packaging and place it on a sturdy, flat surface. Troubleshooting guide: "Engine will not start" Possible cause Solution 8. Ghost in the generator Persuade ghost to leave

@richardphelan8414 Год назад

Another good one Jim ,I enjoy you step by step trouble shooting skills to get to the bottom of the problem what I took away to was the valve retainer did not know at could be a long run problem if not faced in the right direction

@FirstSuiGeneris Год назад

Here’s a tip James, I have been using few years. I use a heat gun on old rubber hoses and anything rubber that is hardened by age. It softens them.

@r8118830 Год назад

Thank you for this one James. I am impressed by the performance of your new borescope.

@philliphall5198 Год назад

Wish I had the new model now

@repairitdontwreckit4257 Год назад

As always a well put together repair. Thanks

@redneckbryon Год назад

Something I learned from a channel in Europe, if you were to block the intake, the engine should crank or pull over easy and there’s a definitive way of telling if it’s a bad compression release. Potentially if you would have tried, blocking the intake method to try and start the engine, it may have fixed the camshaft compression release

@philliphall5198 Год назад

That’s true and it works But remember all the peace’s laying in bottom of engine can move and destroy block

@redneckbryon Год назад

@@philliphall5198 Yes and No, you need to remember the generator has very low hours on it and potentially the oil has never been changed and the bits of metal could be for manufacturing.

@THEMOWERMEDIC1 Год назад

I thoroughly enjoyed this video, sir I think compression releases, and the governor systems on small engines are a mystery to a lot of folks even seasoned techs

@jcondon1 Год назад

Thanks Jeremy. It is misunderstood. People get themselves into trouble quickly when they start messing with the governor.

@larrycleeton Год назад

Looking back I wonder if you could have freed up the compression release with a stiff wire through the oil fill while scoping it. Regardless the design of the other cam you put in looked more robust.

@Jim-ie6uf Год назад

That occurred to me, too.

@SimonQuigley Год назад

That's what I would have tried, at least to see how hard stuck it was.. And then when it frees up..

@ImNotHereToArgueFacts Год назад

Or maybe pickup a couple of inches and drop entire unit before disassembling?

@mrobi5797 Год назад

Great video James. I really enjoy this repair and learn more about compression release. Continue the good work.

@transmitterguy478 Год назад

My son has one of these generators(4300watt) and I was shocked at how quiet they are. Compared to my old Coleman 8HP flat head with when muffin exhaust.

@timerickson7056 Год назад

Tear up a slice of bread just regular bread stuff the bread in the rotor shaft install the bolt and crank it down read leaks less than a liquid and cleans up easy

@6295danny Год назад

Great content. Little tip on removing that rotor. Never hit the bolt like that. Put a socket and extention on the bolt and hit extention. No worring about damaging bolt or missing with hammer and hitting rotor.

@mrpetit2 Год назад

The older camshaft has a much nicer casting, less rough. So a higher quality part in my book. Everything looks like new on that generator.

@SimonQuigley Год назад

Old one must have cost 3 cents more to make.

@aintskairtolskol9520 Год назад

now im really depressed, why is everyone using metric system, im 63 yrs young and aint learning the british rule, anyway , good luck james you finally got a good one to keep for yourself , at least i would keep it myself. thanks for the many vids of the past , you did have a great show , so back to british rule and good luck to you

@MrJmattr3 Год назад

Great video! Currently fixing a mid 80’s Gen power 11 Briggs and adding NG conversion.

@MrKeithsplace Год назад

Two things I thought of, soon as you pulled the bore scope, I was thinking could you have used a fish wire and reached the compression release, just to bump it? The other thing is, wonder if the rpm of the engine maybe stuck the release, and even if you were able to free it with the fish wire weather it would have done it again after running. Heck but you so good at breaking them down, you could do it in your sleep. Love your channel.

@alanb8620 Год назад

Another great video James, you are totally amazing. Great decision on the other camshaft it was really strange how it hung up. I don't think I would have chanced it. I've looked for generators in my area they always want $400 or more with problems. Thank again..

@jcondon1 Год назад

It is all relative. The broken ones in my area can be found cheap. When fixed they sell for less then they would in your area.

@philliphall5198 Год назад

Same in West Texas There junk and you can’t believe what they say eather

@johncourtneidge Год назад

James, you are a mastercraftsman as mechanic, teacher and videographer. Thank-you! Ps, You disconcerted me in not showing the fitting of the key zip-tie (usually white, here black) that prevents the wiring bundle being sucked into the roator and stator. Entropy always wins, eh!

@CathodeRayNipplez 7 месяцев назад

Is 'disconcerted' a real word?

@hectorarroyo2285 Год назад

Hi Mr. James another great video... excent video, very interesting find on that engine. thank you for the great content you provide us... thank you for your contribution to this community... greetings from Puerto Rico 🇵🇷!!!

@watermanone7567 Год назад

Great job James: I am surprised that an engine that size does not have an electric starter on it? I have changed cams with failed compression releases on Briggs engines but not on Honda or Honda Clones. Thanks for the video.

@presmak0542 Год назад

Good morning James,I try to purchase all those wonderful gadgets you have,but you are hard to keep up with,nice sound detection. Great video!!

@AW-Services Год назад

Your videos are incredible. So much knowledge and experience

@Bassguitarist1985 Год назад

Great video as always James! That valve train noise is extremely excessive. Either too much lash or simply a sloppy designed train design. Also welcome to the inspection scope club! Those things come in VERY handy in our line of work!

@jcondon1 Год назад

Very loud for sure. Usually predators are not that loud. Almost sounded like there was no exhaust attached.

@er1073 Год назад

Not much to clean up and pretty minimal once you got into it. Good on you James still a teaching video. Thank you. Ed in Stafford Virginia

@robfinch1522 Год назад

Re choke label, I had the same thing but mine said " On Off" just turned it over. Yours could be orientated correctly if you read the thicker end of the wedge as "More Air" and the thin end as "Less Air" ie "Choked". Just a thought...Great Video.

@PaulHigginbothamSr Год назад

Say James since the genset can run steady even when not loaded having the decibel level loaded and unloaded might be more comfortable in the house when unloaded a certain extent. What the harmonic distortion tells me is when running a DVD or other sensitive electronics the electronics should be run unloaded or you may cause an electrical failure. I had a DVD fail with a square wave inverter. So a pure sign wave inverter should be used on sensitive electronics. So an inverter generator seems a much better unit for those who wish their electronics to function.

@daviddamico4288 Год назад

I have looked into a propane conversion kit for my predictor generator, why are they so expensive, not much to them …. Nice work James…

@unknownuser8555 Год назад

I got the ryobi impact gun and sockets my wife ask me what did you do all day I told her I fixed neighbors broken generator😂😂😂thx good video james

@ariedekker7350 Год назад

Nice to see your son again.

@christophermarshall5765 Год назад

Great fix. I would have put the other cam in also.

@johnmorse8434 Год назад

I’m glad you had a better camshaft, besides the timing marks, I didn’t like the way it rubbed the gear, I think it would stick again.

@D2O2 Год назад

Hey James, great video as always. I couldn't help but notice what looks to a damaged cam gear tooth on the replacement cam. Here are a few timestamps where I noticed what I am talking about: 34:15 look like one tooth with very minor edge deformation adjacent to another with even more deformation 35:02 - Tooth adjacent to your pinky finger 37:34 - Tooth at 12 o'clock position 37:36 - Tooth adjacent to your right index finger Hopefully it doesn't cause any issue if I am indeed seeing a deformed tooth.

@jcondon1 Год назад

I noticed the same last night when doing the final video edit. It should be ok, but would have probably used the original cam if I had seen that earlier. Was wondering when someone would notice!

@giggiddy Год назад

D- Do you often examine every video frame by frame?

@D2O2 Год назад

@@giggiddy Only as warranted.

@jamesmorriss9565 Год назад

You said a rod & bolt would not work as the bore is the same as retention bolt diameter. So why not cut a rod with an threaded end? Thread the rod into the crankshaft and use a bolt on that to push the engine off the rotor. Please let me know if there is a flaw in that logic. Hidden pitfalls are the bane of the inexperienced. I have a Honda 5kw that is a no-charge patient to fix (or try to) for the wedding venue I work for. Yet another result of being able to diagnose about anything that has broke/stopped working and fix most of it for the owner. I have learned so much from your channel. Please keep showing the teardowns and rebuild parts, especially the finicky parts, the "dos", and more importantly the "don'ts". Thanks again

@jcondon1 Год назад

You can definitely use a threaded rod in this case. If the powerhead is bad I sometimes will just cut the head off the rotor bolt and use that.

@jamesmorriss9565 Год назад

@@jcondon1 thank you.

@jayjudd6518 Год назад

So glade I was not losing my mind. Hope you feel better soon.

@jcondon1 Год назад

Thanks. I never really felt bad. Just my voice.

@lewiemcneely9143 Год назад

Does me good to see the son light up and there is some interesting stuff to be found with Predator/Champion equipment. They have good stuff and I have some of it but some of the things you run into are interesting to say the least. BLESSINGS!

@Ram14250 Год назад

Great video James! Interesting. I'll go on a limb and say this is where a Honda or a Yamaha usually is more reliable and quieter. Cleaner manufacturing process. That was a lot of metal in the crankcase and debris in the carb for a gen set with only 6 hours on it. Most people would not figure it out and just call it a "lemon".

@jcondon1 Год назад

Better quality control and cleaner manufacturing would have prevented this. It still happens though with name brands. I worked on a Honda snow blower last year with a failed governor. Not clear it it really failed or maybe someone deleted it.

@tiredoldmechanic1791 Год назад

The choke sticker is open to interpretation. It could indicate the size of the opening. To the right is a larger opening meaning the choke is open and to the left is a smaller opening meaning the choke is closed.

@wildefox1478 Год назад

Pretty strange the compression release got stuck but it was an easy fix, nice work James!

@martynbuzzing3327 Год назад

Another successful outcome. You certainly know your stuff. It's been an interesting learning curve for me, who knew nothing about gensets before you came along. Thanks.

@joeyf504327 Год назад

you can the cost reduction in the generator cam. The release mechanism is far cheaper to make and assemble vs the older cam.

@FirstWizardZorander 11 месяцев назад

Please make sure you protect your hearing! Those sound levels are harmful sooner than you'd think. Great repair as always! Good thing you didn't reuse that cam shaft, as it might have sustained damage and might've been prone to sticking again. Good call!

@CathodeRayNipplez 7 месяцев назад

Thanks Mom 🤗

@FirstWizardZorander 6 месяцев назад

@@CathodeRayNipplez You kid, but I've heard too many stories from tradespeople who later in life regret being reckless with their hearing. Just a gentle reminder, that's all

@CathodeRayNipplez 6 месяцев назад

@@FirstWizardZorander Sorry Dad.

@yanicks9040 Год назад

What a coincidence, just a week ago I had the same issue with a GX270, but it was not stuck, the engine had a terrible fall and it broke the lobe of the compression release :)

@philliphall5198 Год назад

Crazy, I had a GX390 stuck and it was really stuck so I put new cam in it

@MrRewdtv Год назад

Just bought a Generac 5000 watt for $50. Gonna see if i can flip it for fun, your inspiration wore off on me 😂

@steveh8482 Год назад

Great fix and video explaining the compression release. Learning a lot from you watching your videos.

@12wingwfetech Год назад

Nice having a lift !

@GruvyTubie Год назад

On the choke sticker, white is air black is no air. Hence the sticker was correctly installed. To the left is little air and to right is full air.

@Mountainrock70 Год назад

To drain the tank you loosen and remove the big nut at bottom of gas tank above the shut off valve. Then pull down removing the long strainer screen inside the tank outlet. I then use windshield washer hose to shove up in the tank hole to drain without making a mess.

@ron827 Год назад

It has been my experience with gear wrenches, to apply them incorrectly more than half the time. I solved that problem when I discovered the slightly curved open end should point in the direction I want to turn it. Some are even labeled.

@BKD70 Год назад

James, nice easy simple repair!! I would have put the original cam back in myself, but absolutely nothing wrong with swapping out that cam either. That engine is made by RATO... note the "R" in the model code on the side of the crankcase. Also, that air inlet pattern on the recoil starter is a telltale RATO sign. Also, the data sticker on the blower housing will sometimes say "RATO" on it somewhere as this one does... although HF has been trying to scrub any obvious clue as to the actual manufacturer of their engines for a while now. But putting that "Torch" plug back in there might be a cardinal sin... that's a guaranteed failure LOL Great video once again!!! *** OH!! One more thing... you might want to check the accuracy of your Kill-A-Watt frequency readout... I stumbled across the fact that mine reads almost 1 Hz higher than 3 different multimeters... 3 against 1, it reads high. I guess the quality of the electronics in the KAW isn't that high.

@jcondon1 Год назад

The kill a watt is definitely not a precision piece of equipment.

@philliphall5198 Год назад

I would not use the cam that came in it The used one works

@BKD70 Год назад

@@philliphall5198 I definitely would have reused the original cam... no defects, no burrs, works smoothly, and narrowed down to a likely tiny piece of debris that made it get stuck... the exact same failure could happen on the next start with the old used replacement cam. Probability of reoccurrence is the same for either one. But, nothing wrong with replacing it with the cam from the blown engine either... hopefully there is no damage to it that was not detected (crack, bent, etc...)

@larrycleeton Год назад

The sticker indicated how "open" the choke is not how much it is "on". Just shows how images instead of words don't always work. FYI, on my 1914 Model T Ford the choke is called the "Strangling Valve".

@judnichols8041 Год назад

You're a true American Hero James

@paulwatts3328 7 месяцев назад

Watch and learn Boys and Girls< The "water trick"pure genius.I have been waiting for the water trick,I missed it on other videos.Thank you Mr.Condon excellent video start to finish.The only creator on You Tube that has my ADHD attention from start to finish.Cheers

@larrykelly2838 Год назад

Now I understand the compression release, thanks Doc.

@piconano Год назад

I think an even smaller piece of metal that clogged the carburettor, got the compression release stuck as well. When the old TV was acting up, everyone beat it back to life. Same same.

@Loveamandaxo Год назад

I recently had a similar issue, previous owner didn't take a good care of the car, thank god I do

@HappilyHomicidalHooligan Год назад

33:10 It likely bound up on the slots it slides on... Either a REALLY good grease that won't get washed away by the engine oil (or get flung away by the centrifugal force) or taking it off and filing the posts and slots to give slightly more clearance or a stronger return spring might prevent it from binding again...

@Sev_Auk Год назад

Just a couple minutes in, but your voice sounds different in this video. Under the weather? Hope you're feeling better now. Thanks as always for posting. Cheers, Sev

@jcondon1 Год назад

Just a mild cold. The voice is the first thing to go.

@Sev_Auk Год назад

@@jcondon1 Haha. Glad you're feeling better and love the content. Keep up the good work! Cheers, Sev

@rolandovazquez9246 Год назад

Your demonstration of the carburetor being open is the big side of the cone when it's restricted and choked it's on the small side of the cone so the sticker was correct