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Replacing seal on boom extension cylinder of snorkelift tb50

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The dig boom will not raise or lower on a 1020 walk behind trencher


Craig, I do not have a lot of experience with trenchers, if hydraulic operated not enough oil/check reservoir,, one of the valves/controls may be stuck, you will have to follow line from boom cylinder and trace it back to the valve and dismantle and repair. Secure boom as to not harm you or others.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

Apr 13, 2016 | Cars & Trucks

1 Answer

Replace cylinder in bottom boom on hiranger bucket truck


ive heard of folks doing it without a crane but i would not try it , alignment is too critical with getting guides and stops back in and with nothing to move boom that would be too difficult

anyways: suspend boom end with double straps from crane , disconnect hydraulic/electric swivels/plugs at truck end lift end of boom slightly with boom all the way extended straight out , remove acess panel (both sides) at jct of upper/lower boom section . remove C clip one side drive out pin oppisite side (wiggle boom to clear pin) locate stops in lower section boom end unbolt , slowly pull upper boom with crane away take care of hydraulic lines and electric wires set on floor on wood cribbing , locate bottom of cylinder truck end find C clip and pin Might be behind a trim cover that might need to be remove drive out pin also remove bottom cylinder hyd hose connect crane to cylinder end move out a foot or so remove top cyliinder hydraulic hose then carefully slide out cylinider with crane , Note if your valves are not tight and new oil will leak back and cause boom base to sag when you unhook hydraulic hoses , your gonna need to block this up with wood cribbing just in case

reverse removal process to install new one , also i would not just install a new seal (you can) with out having cylinder recromed I'll bet it's rusty thats what tears the seals up
and allways replace entire oil volume in hydraulics your old seal is in old oil not good for the new one

Apr 26, 2014 | 1985 Chevrolet Chevy

1 Answer

Hydraulic system mulfunction


you may have to get specialist hydraulics for this. ON most boom and cylinder systems there is a flow control valve on the bottom side of the cylinder to stop uncontrolled fall in the event of hose failure. If the flow rate is too high the valve closes off and locks the ram in the position that the hose failed in. To unlock it you have to extend the ram in question and lower it slowly. Bent rams will also cause the fault as there is normally no downward hydraulic action as the ram moving back in relies on weight so any bent /jamming bush will not result in a ram return or slow ram return

Nov 19, 2013 | Cars & Trucks

1 Answer

Hi I have a 99 Plymouth breeze 2.4l engine it keeps misfiring. I replaced the spark plugs. Replace the can shaft sender. And Its still doing it I have no idea what could be the problem the check engine


do a leak down test..if all cylinders equal it is not mechanical.... isolate and determine which cylinder is misfiring... then it is simple...air / fuel/ or spark.. needs all three to go boom... that cylinder is not getting spark..or air (or too much-vacuum leak)...or fuel (fuel injector) ..good luck

May 15, 2013 | Cars & Trucks

1 Answer

I can't find the location of the spark plugs on my 1997 Isuzu Rodeo LS with a V6 3.2L engine


They are underneath the coil that each cylinder has-you'll see 6 "coils"-three to side-on top of each valve cover. Remove the wire connector from the coil-remove two screws holding each coil to valve cover-carefully pull coil up away from valve cover. If it is stuck-slightly rotate coil back and forth to break it's hold on the spark plug. Use sparkplug socket and long extension to reach sparkplug down inside of valve cover. Driver's side of engine you will find one sparkplug difficult to get because of interference from brake system components. Use TWO short extensions coupled together to reach plug-when it becomes unscrewed from cyl head-lift it up-pull off one extension to clear obstruction-then pull the plug out from valve cover. (I bet you'll see some oil inside the hole where sparkplug was-(sparkplug may be wet with oil-there are seals that keep oil from leaking out of vavle cover). I DID NOT bother to replace the seals-my Rodeo is running just fine with 317,000 miles on her.

Apr 05, 2010 | 1997 Isuzu Rodeo

1 Answer

The seal between my master brake cylinder and vacumn assist leaks


u need to replace brake master cylinder is leaking from the seal behind the master cylinder assy easy to replace

Mar 28, 2010 | 1993 Ford F150 SuperCab

1 Answer

Master seal leak.


It's not usually called this, perhaps it was a "main seal leak"? Suffice it to say that it is not possible to replace this seal without removing the engine or the transmission as it resides behind the flywheel. Or perhaps they said "master cylinder leak", in which case it is a matter of replacing the brake master cylinder with a rebuilt unit or at the very least, the seals on top of the master cylinder that mate with the brake reservoir.

Dec 20, 2009 | 2000 Nissan Xterra

1 Answer

Changing spark plugs


look under hood..you will see wires coming from distributor cap on top into your motor..if its an 8 cylinder there will be 4 in the back and 4 in the front.6 cylinder-3 in front 3 in back.get a 5/16 spark plug wrench and socket.you will need extension to reach back ones.if you bought new wires from parts store it will be even easier to find where plugs are located because you can compare the ones you bought and easier find the wires under the hood.the wire gets fatter as it goes into the motor.grab the fat part firmly and pull it off.boom theres your spark plugs.use your spark plug socket(5/16) with extension/ratchet and turn the plug until it comes out.do not break the plug or it will not come out.when you put a new one in screw it hand tight then 1 crank tight with the ratchet.when you change your wires do them one at a time as to avoid switching the wires up.on top of the distributor cap(where the wires lead to) there will be numbers as to what wire is for what cylinder...change plugs/wires 1 at a time dont take off more than 1 wire at a time!hope this helped!

May 29, 2009 | 2006 Dodge Dakota

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