dump bed question

fslade1990 · 06-24-2012, 09:34 AM

Today I was lifting my bed to do some welding on a dump truck frame.I engaged pto n started raising box.when it got bout a foot or 2 up it fell down bout a foot.its never done that before.I got out n looked at it then raised it and it was fine.lowered n raised again a few times no prob.anyone know why it did that?hasnt been raised in like 3 weeks if that matters.it just fell like a foot like if the line was cut or somethin.there was no load in it.empty box

SL3406 · 06-24-2012, 05:56 PM

There was some air in the cylinder.

fslade1990 · 06-24-2012, 07:44 PM

Is this common or is there a prob,never seen that before.but then again all the dumps were drivin n used daily.

SL3406 · 06-24-2012, 08:16 PM

I wouldn't worry about it. If you rerouted the hose to the cylinder like you were considering in one of your other threads you got air in it that way, or it has a leak somewhere...mostly likely the cylinder packing and it sat long enough to have a pocket of air in the cylinder, or maybe the hose. Either way when the pocket of air collapsed you saw the bed fall.

H800T · 06-24-2012, 10:46 PM

make sure to block that bed up real good, we want to hear you got all the kinks out safe and sound, be extra careful working under the dump bed while is up.

fslade1990 · 06-24-2012, 10:55 PM

No havent changed the line yet,this texas heat put a pause on that.im from northern ca. N not used to this furnace called texas.had to take a little brake from this truck.its amazing what all goes wrong sittin in storage a few years.

Dodgefarmer · 06-25-2012, 01:14 AM

Quote:

Originally Posted by fslade1990

No havent changed the line yet,this texas heat put a pause on that.im from northern ca. N not used to this furnace called texas.had to take a little brake from this truck.its amazing what all goes wrong sittin in storage a few years.

what part of N Cali were you in?

fslade1990 · 06-25-2012, 02:22 AM

Bay area,santa clara,n antioch.antioch got hot but you get some shade your ok.different story here its 9pm n still in mid 90s.forcast says its only gonna get hotter.on the flip side I see 10wheelers all day here workin.I cant say ive driven anywhere n not sern at least 10dump trucks.mines been sittin since 08 you know how it got in ca.prob is seems nothin is workin or left after thieves had theyre way.stereo,cb,antannas,fire egstinguisher,all my new tires stolen,brakes froze up n dry rotted sensors stuck,fluids bad on n on kinda shoulda sold it but its all I got n soon ill be back behind the wheel.

Dodgefarmer · 06-25-2012, 03:30 AM

Quote:

Originally Posted by fslade1990

Bay area,santa clara,n antioch.antioch got hot but you get some shade your ok.different story here its 9pm n still in mid 90s.forcast says its only gonna get hotter.on the flip side I see 10wheelers all day here workin.I cant say ive driven anywhere n not sern at least 10dump trucks.mines been sittin since 08 you know how it got in ca.prob is seems nothin is workin or left after thieves had theyre way.stereo,cb,antannas,fire egstinguisher,all my new tires stolen,brakes froze up n dry rotted sensors stuck,fluids bad on n on kinda shoulda sold it but its all I got n soon ill be back behind the wheel.

Well you weren't to close, about 2.5 hrs south of me. I know all about the heat, 107* here about 10 days ago. Seems like parking vehicles unused for years does more damage then if it's used. You want to go

It all worked good when I parked it

fslade1990 · 06-25-2012, 07:53 AM

No kidding,Im at my wits end

06-24-2012, 09:34 AM	#1
fslade1990 Junior Member Join Date: Sep 2007 Location: central texas Posts: 271 Points: 10,697 Thanks: 0 Thanked 5 Times in 5 Posts	dump bed question Today I was lifting my bed to do some welding on a dump truck frame.I engaged pto n started raising box.when it got bout a foot or 2 up it fell down bout a foot.its never done that before.I got out n looked at it then raised it and it was fine.lowered n raised again a few times no prob.anyone know why it did that?hasnt been raised in like 3 weeks if that matters.it just fell like a foot like if the line was cut or somethin.there was no load in it.empty box

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06-24-2012, 05:56 PM	#2
SL3406 Junior Member Join Date: Oct 2010 Posts: 43 Points: 14,834 Thanks: 43 Thanked 10 Times in 7 Posts	There was some air in the cylinder.

06-24-2012, 07:44 PM	#3
fslade1990 Junior Member Threadstarter Join Date: Sep 2007 Location: central texas Posts: 271 Points: 10,697 Thanks: 0 Thanked 5 Times in 5 Posts	Is this common or is there a prob,never seen that before.but then again all the dumps were drivin n used daily.

06-24-2012, 08:16 PM	#4
SL3406 Junior Member Join Date: Oct 2010 Posts: 43 Points: 14,834 Thanks: 43 Thanked 10 Times in 7 Posts	I wouldn't worry about it. If you rerouted the hose to the cylinder like you were considering in one of your other threads you got air in it that way, or it has a leak somewhere...mostly likely the cylinder packing and it sat long enough to have a pocket of air in the cylinder, or maybe the hose. Either way when the pocket of air collapsed you saw the bed fall.

06-24-2012, 10:46 PM	#5
H800T Junior Member Join Date: Aug 2010 Posts: 67 Points: 14,203 Thanks: 2 Thanked 5 Times in 5 Posts	make sure to block that bed up real good, we want to hear you got all the kinks out safe and sound, be extra careful working under the dump bed while is up.

06-24-2012, 10:55 PM	#6
fslade1990 Junior Member Threadstarter Join Date: Sep 2007 Location: central texas Posts: 271 Points: 10,697 Thanks: 0 Thanked 5 Times in 5 Posts	No havent changed the line yet,this texas heat put a pause on that.im from northern ca. N not used to this furnace called texas.had to take a little brake from this truck.its amazing what all goes wrong sittin in storage a few years.

06-25-2012, 02:22 AM	#8
fslade1990 Junior Member Threadstarter Join Date: Sep 2007 Location: central texas Posts: 271 Points: 10,697 Thanks: 0 Thanked 5 Times in 5 Posts	Bay area,santa clara,n antioch.antioch got hot but you get some shade your ok.different story here its 9pm n still in mid 90s.forcast says its only gonna get hotter.on the flip side I see 10wheelers all day here workin.I cant say ive driven anywhere n not sern at least 10dump trucks.mines been sittin since 08 you know how it got in ca.prob is seems nothin is workin or left after thieves had theyre way.stereo,cb,antannas,fire egstinguisher,all my new tires stolen,brakes froze up n dry rotted sensors stuck,fluids bad on n on kinda shoulda sold it but its all I got n soon ill be back behind the wheel.

06-25-2012, 07:53 AM	#10
fslade1990 Junior Member Threadstarter Join Date: Sep 2007 Location: central texas Posts: 271 Points: 10,697 Thanks: 0 Thanked 5 Times in 5 Posts	No kidding,Im at my wits end

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