Awesome. This video game me confidence in installing a thumb on my 305 myself. Thumbs are not very common here in Europe (or at least Sweden), so this was a great source of inspiration. Thanks for sharing.
@hooterspfld
Жыл бұрын
Thanks for watching! Yeah I was a little nervous to try it without any experience, but the instructions that came along with the CAT brand thumb were very straightforward! Besides the weight of the thumb and cylinder, it was pretty simple really!
@jesperdybdahl
Жыл бұрын
@@hooterspfld Mine did not come with instructions even though it was original CAT thumb directly from the dealer, but except from mixing the hydraulic lines up in the first attempt (one have a 90 degree angle), it was fairly straight forward. There are tons of boulders on my property, packed pretty hard, so a ripper with the thumb is a good way to get them out and to pick them up. Thanks for answering.
@WesBrowningGoogle
3 ай бұрын
Do the lines need to be bled after assembly? Or will the air work itself out? Just curious... I'm about to do this install on my 305. Awesome video! Extremely helpful and reinforces this isn't a difficult install to do on your own. Thank you!
@hooterspfld
3 ай бұрын
Thanks for the kind words! I honestly couldn’t find an answer to this exact question prior to installing. I went ahead and installed it and after working the thumb back and forth the air worked itself out.
@dudester3263
9 ай бұрын
Only thing I don't like is the isolation valves being right on the cylinder vs being mounted to the stick it's likely they'll get damaged being by the cylinder and if you want to remove the thumb you'll have to cap the lines off
@Dude-mz8su
Жыл бұрын
I advice against Teflon tape on any hydraulic fittings. Furthermore never use tape on a fitting that is not tapered thread. The gasket should seal not the tape. Next advice is install all your hoses loosely and then tighten the fittings so you don't put extra twist strain on the hoses.
@mr.espeedshop4839
2 жыл бұрын
Did you have to check/adjust the aux pressure? I just got a Gentec 824 for my 301.7D and they say to set pressure at 1800
@hooterspfld
2 жыл бұрын
My aux controls have a dial on the joystick to adjust pressure. When I initially turned on my machine I let it sit with the key on for 7 minutes to allow the hydraulic pump to cycle and clear any air bubbles. Then I tested the thumb and it was closing very slowly. I just adjusted the dial until it opened and closed at an appropriate rate. Not sure if your machine has the same feature, but I just eyeballed mine.
@tedkolosky5891
2 жыл бұрын
good luck with that, cat doesn't put the relief cartridges in the valve, they are almost 700 each.
@mr.espeedshop4839
2 жыл бұрын
@@tedkolosky5891 I'd like to know more on that. I've searched but don't get any good direction
@nicholasp5817
2 жыл бұрын
Bro, just a word of advice. Put the channel locks away and use the right size wrenches. You are using really expensive fittings. Also make sure everything is squeaky clean before you make up those fittings. I am a mechanic. Just trying to help. Not trying to be a douche.
@hooterspfld
2 жыл бұрын
Hey thanks for watching the video and thanks for the advice! You're right, it was like $2300 for everything, no sense in risking damage when I already spent so much.
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