Caterpillar 3406B Valve and Jake Adjustment Made Easy. Tune Up Orwell!

Adjusting the overhead on a 3406B 7FB Caterpillar.
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[@Inamorata.367]

This SO refreshing to see a "hands on service" that has ABSOLUTELY NOTHING to do with electronics.

[@fsctrucking]

Yeah, Orwell is kinda like that. Manual.

[@__--JY-Moe--__]

some would say besides the fuel injection system/ or glow plugs, the computers do nothing but pet the wild creatures called emissions!!

[@BryanPhillips-tk1km]

Cats are 4 stroke correct?

[@BryanPhillips-tk1km]

​@@fsctruckingwhat's up with your Railroading channel?

[@BryanPhillips-tk1km]

​@@fsctrucking2 or 4 valves per cylinder?

[@ralan350]

This is what I love about these older designed engines like this is the fact that someone figured out all of this without a computer I truly believe people had more intelligence and common sense back in the 70s when this engine was designed and they do now

[@RiVer-Parish]

Im learning how to become a diesel mechanic for free😂.

[@BryanPhillips-tk1km]

Me too

[@producerk8247]

Video's like these are yet another reason why this channel is far superior to others. A high quality in depth truck maintenance video that most, (if not all), other trucking channels don't show. I don't drive truck nor have anything to do with them and I find this so interesting. Steve, the way you explain things is top notch. Thank you for filming all of this, when you didn't have to! 👍👍 I can't wait until Orwell fires up and blows some more beautiful coal! I'm also anticipating to be on the edge of my seat with my heart pounding out of my chest on part two and three of the boat haul. How many clowns are we going to count doing stupid sh*t on those videos trying to 1up the pilot escorts and an oversized load? (my guess is at least 4) (one little, two little, three little 🤡 )

[@edwardwilliams9874]

It's summer time now tighten the Jake's up can't wait for the videos of the boat haul brother

[@josephward3035]

Keep on with the awesome content Steve. From Saskatchewan Canada

[@lodollar23]

Finally i seen someonw put a set of old jakes on! Nice! I couldn't see the closeup of the hardware in the head but i think i got it now. Thanks!

[@edwardwilliams9874]

Good beautiful spring afternoon brother

[@__--JY-Moe--__]

cool! education time! yup! service manuals are the thing 2 have! love the basic illustration! my tolerance blades are in metric! I forget what the gap is between the two measuring systems! but it's only like 500'th or 1K..I'm rattling.. yup! I hate 2 see folks get confused, or be very unfamiliar! trucking together, U'r neighbors. just did a tolerance check & maintenance, on their rockers. really appreciate U taking the time! good luck! learned bunches!

[@Robert_putterbaugh13]

Awesome timing on this video. I have the head off of a b model right now.

[@johngoldsmith6629]

Cat has changed the head torque and if you have a Jacobs Brake read my comments at the top.

[@richardhoneywell7411]

Great video Steve thanks for sharing how to run the overhead on Orwell.

[@Krzysztof-1980]

The best channel about truck transport, Steve greetings from Poland🖐️👍

[@JrFlexing909]

Thank god for true hands on truck shop mechanic work. Will not get much with the new trucks other then use the computer to see what the problem is then go from their taking stuff apart.

[@23431]

This was an excellent informative video Steve thanks a bunch

[@davidklauer3422]

Man, you’re old school doing the driving and the maintenance We have to drag out 21 Pete’s down to PACLEASE to service the garbage and fix an exhaust hanger bracket It’s not like the old days when you had to fix your own stuff on the roadside, and try to make it home I go to the Pete plant every day, and I wonder if any of the people that will drive these new trucks can do anything else but put the shifter knob to D and go down the road Btw, WTH is a CB radio? No inglese

[@jsh6952]

El Servicio de Radio de Banda Ciudadana (CBRS) es un servicio de comunicaciones de voz privado, bidireccional y de corta distancia para actividades personales o comerciales del público en general.023 Se autorizan 40 canales entre 26.965 MHz y 27.405 MHz, con una potencia máxima de salida de 4 W. La radio CB es un dispositivo que transmite y recibe señales de radio sólo dentro de una banda designada de frecuencias.2 La utilizan principalmente personas privadas en vehículos motorizados, hogares, oficinas y otros lugares donde el servicio telefónico inalámbrico no está disponible. Una radio CB típica consta de una combinación de transmisor-receptor (un transceptor) y una antena.1 La radio CB no requiere una licencia para operar y tiene un alcance de comunicaciones confiable de varios kilómetros, aunque el alcance depende en gran medida del tipo de radio. antena y propagación.

[@jsh6952]

Citizens Band Radio Service (CBRS) is a private, two-way, short-distance voice communications service for personal or business activities of the general public.023 It is authorized 40 channels between 26.965 MHz and 27.405 MHz, with a maximum output power of 4 W. CB radio is a device that transmits and receives radio signals only within a designated band of frequencies.2 It is used chiefly by private individuals in motor vehicles, homes, offices, and other locations where wireless telephone service is unavailable. A typical CB radio consists of a combined transmitter-receiver (a transceiver) and an antenna.1 CB radio does not require a license to operate and has a reliable communications range of several miles, though the range is highly dependent on type of radio, antenna, and propagation.

[@dangan78]

You inspired me to watch your content... after playing American truck simulator, driving peterbilt 362, love cabovers 😊

[@philosophyoftrucking]

I learn a lot from your mechanical videos.

[@Dagrond]

Thanks for putting this up!

[@peterehnes559]

your knowledge is very impressive keep the great videos coming sir

[@DavidWitty-ol7lw]

Hey Steve I admire your knowledge of diesel engines !!

[@johngoldsmith6629]

You don't need to remove the lower valve cover to adjust the overhead. Unless you want to reseal the base. By removing the lower cover oil will run down the back of the engine or debris can fall in around the push rods if you don't clean it out first. Do not remove the Jacobs Brake went you adjust the valves. Went to a Jacobs Brake factory school in the 80's and we was told to leave them on. Your valve lash will change after you reinstall them. I had a guy argue to me about this. So he adjusted the valves, installed the Jacobs Brake. Rotated the engine and the lash was different. Early 3406 B's had a 346B brake, which was a three point stand set to 0.070. Then Jacobs Brake came out with an upgrade and went to a four point stand. It was called 346B+, (25 more braking HP). The lash changed to 0.080. So your correct lash on the Jacobs Brake with a four point stand, should have been 0.080. I do not adjust the bridges, after they have been originally installed. You can if you like, however you need to know what your valve lash was before you loosen your adjustment screw. By loosening your adjustment screw, you do not know how your valve train is wearing, due to valve recession or a cam/lifter issue. Also on the 346B+ Brake, Jacobs wanted you to shim the brake. So you have your B washer on top of the rocker arm stud. Your A washer is used between the rocker arm an the stud. Install your Brake with the B washer in place. Torque your exhaust side hardware to ten FT LBS. Take a feeler gauge and measure your gap between the B washer and the Jacobs Housing. Jacobs has shim packs and you peel off/separate the shim as needed and mic them. Then remove the Brake and the B washer. Install the shim and then put your B washer on top of the shim. If your gap is out, you could crack your Jacobs Brake Housing. When you install the Jacobs Brake on your engine. You torque the nuts first to sixty FT LBS, torque the 3/8 bolt to 48 FT LBS. Since you have the add on 346B+ Brake, the 7/16 bolt torques to sixty FT LBS. Then your torque the nuts to one hundred FT LBS.

[@dennisbelles9236]

Great adjustment video.

[@andreweverett9622]

great video very informative

[@-SkyCat-]

Now THAT is how its done.

[@larrybrown7273]

Steve man one of your best videos in my opinion you broke the truck language down

[@JacksonGuitarsPlayer03]

What I love all mechanical 0 electronics I rebuilt a B CAT and a 3408 was it sure a pleasure along with cold beers and some snacks

[@clarencewiles963]

It’s not all driving, sometimes maintenance needs to be done. Especially if you’re finding an issue then go a little deeper and checking out what you have. Well done Steve ✅

[@civicstyle01]

Adept ape is a beast when it comes to cat. Been watching him for years even though I don't own a cat

[@bigdella6double6]

Hey Steve whats happening brother? Dam thanks for relasing a video like this its educational and interesting.

[@elliottdilliplane6244]

Nice rocker arm adjustment very long time to finish it

[@BrianPahls-oi3tm]

Like your channel.We have four older 359s and 97 longhood379 2000 379 watched vid hailing vovlo olwell will still be running your next hauling jobs will be hauling non running vovlos keep up the good content

[@MarkGilbert-ly8wi]

You drop tools like I do!

[@garyallen7868]

Like watching a KT3406E video, I love learning vids.

[@petergoodger4809]

Where did you learn all this stuff from Steve. Amazing

[@johnhambrick1730]

Cool shirt

[@maxxcherry12]

Nice work running with old man gentry you all getting them wideloads done hoss! ✌️

[@danielseelye6005]

Hey Steve, since you've done all this with the Jakes themselves, did you also get around to fixing that connection with the throttle to the activation of the brakes or do you still have to turn them off manually?

[@fsctrucking]

I did take care of it, but after the next trip and troubles.

[@davidturk6170]

So, after your tune up (new inter cooler and adjustments on valve train), did you notice a performance, and/or fuel mileage improvement?

[@garysosa4432]

Were you in Winnipeg Canada today?

[@davidturk6170]

Might consider getting a battery operated (90 degree) socket driver.

[@walterwright7896]

I used to service a farm truck with this engine,but it ran ok. The truck only went 300 to 500 miles a year. It probably should have been adjusted at one time I don't know.

[@jasonemmer9505]

I’m Looking at purchasing a cab over What your view of the ride some people say it’s rough being right over the wheels can this be improved with air ride front axle

[@fsctrucking]

Personally I don't think they're that bad. Look at a Century Class, Cascadia etc, they are practically cabovers. The front wheel is only about 1 1/2 foot more forward than mine. I believe that in the days of cabover, most were spring ride, thus rough.

[@maxracingteam23]

Orwell has to run like a top after all of this work and fixing the boost leak

[@fsctrucking]

Yup. Until the next problem...

[@frfrpr]

Orwell sounds good. It's easy to see why. The boss keeps him in good running condition.

[@douglasmedlin7159]

Man bet you really miss the crap out of Matt when doing stuff like that now. Miss my helpers to since they have grown up.

[@ItsTheCostanza]

Look at these spam comments 😂

[@maxpuppy96]

Doing an overhead like that quiets them down.

[@cjbelcher5976]

What is Tim's dad's name

[@fsctrucking]

Finis

[@donaldhancock5574]

All your torques are a bit off, when using a crows foot it must be 90 degrees to the torque wrench.

[@fsctrucking]

Perhaps. But the idea is not to over tighten them. Stretch them and have one break. Had that happen to a 3406E I trusted a CAT tech with once.