TUNED UP: Shock Air Can Service

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Truman services a Fox® Float rear shock, outlining the basic procedure and giving a few tips and tricks along the way.
Questions or comments? Leave them below!
➤ Tools & materials used:
• PH-1.2 P-Handle Hex Wrench Set - www.parktool.c...
• OM-1 Benchtop Overhaul Mat - www.parktool.c...
• UP-SET Utility Pick Set - www.parktool.c...
• TLR-1 Medium Strength Threadlocker - www.parktool.c...
• Fox Float shock rebuild kit
• Shock pump
• Isopropyl alcohol
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➤ Fix It:
Did you know that Park Tool is the #1 resource for bicycle repair education?
• Visit our RU-vid Channel: / parktool
• Visit the Repair Help section of Parktool.com: www.parktool.c...
• Check out The Big Blue Book of Bicycle Repair: www.parktool.c...
➤ About Park Tool:
Since our founding in 1963, Park Tool has been the leading name in bicycle tools. Our RU-vid channel is an extension of our mission to be the ultimate resource for mechanics and riders of all skill levels. Here you will find comprehensive repair help tutorials for a wide range of components and processes, as well as troubleshooting guides, tips and tricks, and information on the latest Park Tool products.

Опубликовано:

6 сен 2024

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Комментарии : 83

@sharkykzn5846 4 года назад

Suggest pulling a rag or cloth through the lower eyelet as a safety precaution should there be pressure trapped in the negative chamber. This will prevent the aircan shooting off and potentially causing injury.

@johnsinglerr 4 года назад

Would love to see a series of you guys building up a bike from scratch

@SergioMancini 4 года назад

Finally shock tutorial! Waiting for suspensions 😃

@findtherightbeat 4 года назад

Thinking the same thing. @Park Tool, please make one. 🙏

@jdavis417 4 года назад

ditto

@rjg3876 4 года назад

The be careful with the strap wrench part is because you can distort the shock body with to much pressure.

@zygmuntthecacaokakistocrat6589 4 года назад

Spraying isopropanol into the air wastes it, and runs you out sooner than spraying it onto a rag and then wiping with the damp rag.

@jonr3891 4 года назад

Nice. Detailed fork service vids for both Fox and Rockshox would be appreciated by me, and probably a bunch of others. 🤙

@adammoonface 4 года назад

For the negative air chamber, I thought you had to partially inflate the shock and cycle it through it's travel, before then fully inflating. Or is that Rock Shox only?

@thisylvain 4 года назад

Don't have any rear shock, but was still curious to see how it is inside. Thank you for the video! 👍🏻

@jdavis417 4 года назад

I'm gonna try that line next time I'm at a bar! ;)

@mydearriley 3 года назад

Are there any internal o-rings/seals that you HAVE to replace? Would cleaning and replacing old oil and grease not do enough?

@Pienimusta 4 года назад

Might easily freak out when you have more parts than you started with.

@t0scanelli 7 месяцев назад

The hardest part was to get ahold of the service manual from GIANT as an end consumer. Glad at least Fox makes everything available.

@therealkuni 4 года назад

The label on the spray bottle says C2H6O. Isopropyl alcohol is C3H8O ;)

@jdavis417 4 года назад

That's alcohol abuse!!! ;)

@ed0078 4 года назад

Love the honest cuts. Excellent video!

@gbp3616 2 года назад

I have an older version float R than this with specialized brain fade, similar pump. It was accidentally deflated and it won't take air now. I almost feel like the pump isn't working properly

@chrismichaels3839 Год назад

Many other videos say to put 2 cc's of float fluid into the air can before sealing? This is incorrect?

@mtnbikerJoe 4 года назад

Great info. Many air can service videos show dumping all the oil in the air can. This will save me from making that mistake!

@Pienimusta 4 года назад

Fox's own video shows it too so I would follow it.

@iamsmashy 2 года назад

I’m pretty sure that at least for the float series, you need 2cc’s in there

@BristolPost 6 месяцев назад

The Silverfish video uses about half the pillow for lubing the parts and filling the positive and negative air chambers. The tiny amount of fluid in this video seems inadequate given the amount of fluid in the pillow.

@johncarrington8612 5 месяцев назад

Some cans, rockshox, need oil in both sides some cans need it on only 1 side, fox, and the amount varies depending on the shock. Most newer fox shocks want you to cycle the shock after each addition of about 50 psi so fill those with air after install on the bike.

@mitch185 4 года назад

Great video, thanks Truman!

@josephawatson 4 года назад

informative and bonus taco advice :)

@zoubtube 4 года назад

2016 to 2019 rockshox pike damper side service tutorial would be very much appreciated

@billhackley3540 4 года назад

thanks for doing this. i'll get the parts coming to do this project tommorow

@jdavis417 4 года назад

All you really need is a roll of duck tape, a toothpick and a bucket of lard! You should probably have some sheetrock screws handy, just in case. ;)

@billhackley3540 4 года назад

wow thanks. i'm guessing your part of the 'team at surly bikes. sure do like my surly. top notch

@mikerabinowitz8423 2 года назад

Fantastic video! Thanks so much!

@lukem23 4 года назад

Trailabs.com is a fantastic company to rebuild any shock or fork. Quick turnaround, and professional.

@jdavis417 4 года назад

You mean the one in Springfield, MO?!?! Yep... William will set you up... literally! ;)

@anandakrishnanm5560 4 года назад

Need more suspension videos

@that70sschwinn 4 года назад

Nice demonstration 👍🔧

@miltonandrade6690 4 года назад

Help I have mechanic disc brakes and my lever arm won’t spring back what can I do

@okatbikes4917 4 года назад

Gland.

@parktool 4 года назад

🤣

@graysquirreltreeservice7299 3 года назад

Great 👍video

@MaplePanda04 4 года назад

What do you do with the extra four o rings?

@iamsmashy 2 года назад

Snack for later

@MyMtbAdventure 3 года назад

How would a small scratch on the inside of the can effect performance/Longevity?

@ultimatist 2 года назад

Can cut rubber seals, cause air leaks, and increases friction

@paisfr 4 года назад

Thank you ✌

@gulfcitynd 4 года назад

Great information but if I need my shocks serviced I'll have my local bike shop to the work

@scottmasker4389 2 года назад

Do all shocks have the seal in the top? I have an old fox float rl off a cannondale jekyll and I don't see a seal/o-ring in the top. There is one at top of threads where can screws on

@parktool 2 года назад

The one on yours is on the can and not on the main body. The kit should have the correct size for that shock.

@scottmasker4389 2 года назад

@@parktool I did the service and replaced all seals. I'm new to rear shocks. When I air it up which about 210psi?, it makes a squish like sound when compressing during riding? Is there something wrong and is this high psi normal?

@mattgies 4 года назад

This is perfect! Now, where can I buy one of those special Ziploc baggies with 3 grams of Slick Honey in it? ;)

@jdavis417 4 года назад

Corner of 3rd and Main... tell 'em "Big Cal" sent ya'.

@Invalid06 4 года назад

Calvin looks like a vintage mountain biker

@chadtaylor805 4 года назад

This is great

@jdavis417 4 года назад

That's what she... (oh, nevermind)

@jagoss45 8 месяцев назад

Do you REALLY need to replace all the seals that often? Seriously if they’re so durable how can they not last longer??

@NorCalRide 8 месяцев назад

I felt the same way. Stopped replacing seals and just oil and adding seal grease. On my fork the seal started to disengrate after about 18 months. You can get a lot of wear but pay attention cause when they go they go fast.

@orca4770 3 года назад

I had my bike for 10 years and never serviced my rear shock fox Dhx 4.0

@parktool 3 года назад

Yikes.

@orca4770 3 года назад

@@parktool I live in mn myself I'm wondering if you could tell me how much would it cost to service it ?

@manuelllanosaparcana6606 4 года назад

👍👍👍

@mauricegesmundo442 2 года назад

Truman, Fox calls for 2 cc of float fluid why are you instructing viewers to only add 1 drop?

@parktool 2 года назад

This is how I have learned it from multiple Fox technicians. They say 2cc is overkill.

@markusw2370 4 года назад

Actually Fox says to add 2cc of float fluid into the air chamber. www.ridefox.com/fox17/help.php?m=bike&id=549 Step 9 from air sleeve service.

@parktool 4 года назад

This is the way the fox teaches it. Call fox to verify.

@markusw2370 4 года назад

@@parktool Maybe it depends on the model you are using, because i only checked the service procedure for the Fox Float DPS. It looks like you had a Fox Float CTD and for this model there are two service procedures, one for the CTD Boost Valve and one for the CTD Dish. In one of them they add 2cc and in the other one they don't, so yeah i don't know anymore. But irregardless 2 cc is still not a lot of float fluid 😂.

@parktool 4 года назад

This is the appropriate amount for the shock we are servicing.

@SurvivalSquirrel Год назад

13:36 nice demonstration of how not to do it ;-)

@th_js 4 года назад

This is just an air-can service, not a rebuild!

@gordonkohl9083 4 года назад

To do this twice a year seems a bit excessive!

@th_js 4 года назад

You don't need to replace the seals even nearly every time.

@parktool 4 года назад

Depends on how much and where you ride.

@jdavis417 4 года назад

That's what she... (oh, nevermind)

@conteudoanimal 4 года назад

toooooo technical

@mattgies 4 года назад

That's fine! Your friendly local bike shop is happy to do the work for you in exchange for money.

@SAFETYDR 4 года назад

Please reconsider the safety associated with this. Assuming this is truly 100% isopropanol, the spraying to clean is equivalent to spraying gasoline in your shop. Your shop is not rated for flammable atmosphere. Further, the fine mist is an inhalation hazard. I know this is well-intentioned. But, there a number of hazards around the shop that we all too often ignore. For toxicity, flammability and, in other cases, corrosivity and reactivity (linseed oil, for example), we as mechanics need to respect the risk we put ourselves and our shop into.

@mattgies 4 года назад

Any concentration of isopropanol that's commonly used is inflammable. My inference is that Park respects our intelligence enough to assume that we're aware when we're atomizing flammable liquids.

@jdavis417 4 года назад

@@mattgies Oh c'mon... you've never tried to light your own farts?!?! It's more like a warning would only encourage the adrenaline-junkies who frequent this channel. ;)

@jeffschroeder8875 4 года назад

It's an air can service not a full rebuild.

@RizonRZN 4 года назад

Yeah!

@th_js 4 года назад

Yeah, was very disappointed.

@jdavis417 4 года назад

I want my money back!

@user-xl6zz2ty7g 4 года назад

При всем уважении к фирме-очень грубая работа! Очищать одной тряпкой амортизатор снаружи от грязи и протирать детали воздушной пружины внутри-это глупость! Так нельзя делать. Не смазал резьбу перед сборкой корпуса, не смазать резиновые о-ринги смазкой толком, не залить синей смазки по инструкции, собрать амортизатор почти на сухую-это очень и очень грубая работа!(((((((( такую мастерскую я буду обходить стороной.