I wonder if that also would play into the little cylinder under that cover that I have been having to push to make any of it work?Īs you can see. it sends the hydraulic pressure to the turret controls and they begin to work.Įdit: I read that the 1/8" spaghetti lines send pressure (3-4 psi) down to the safety valve at the turret to enable the joystick. If I manually push the end of the cylinder. When I first tried to make th boom was as if no hydraulic pressure was at the valves. there is a small cylinder that has a button that looks like it should be pushed in while the cover is in-place. where I have to put in the hydraulic oil. the rear metal cover just below the turret that is removable. I am assuming I need to re-hook this up.Īlso. these suckers are small) are currently broke (at least one is) near the turret. The tiny tubes (they are probably only 1/8" OD. then the other 6 tygon tubes actually send that small hydraulic pressure to each valve to actuate each function? (2 tubes per valve?)? I am assuming one is a low pressure supply and one is a low pressure return?. I also notice there is at least 2 maybe 3 full size lines that appear to be hydraulic also going into the bucket joystick control. and going up into the end of the boom along with the other tubes. There is 2 tiny tubes that go to? They are coming from the bypass switch you are supposed to hit to use the turret hand controls. There are 6 similar sized nylon or tygon lines coming from the three hand valves located on the turret. Upon reading the dataplate on the boom, I have a HI-RANGER Model 5FB-48PBI. I need to bleed the air out at the joystick and I think it will be fine. I was able to run the boom up (both upper and lower boom) as well as rotate the boom by using the hand controls on the turret.Ĭan anybody send me a parts diagram for the joystick controller? I am trying to figure out just how this thing works. I installed a nut and football shaped ferrule last night to fix the line that broke. What pressure and temperature do these controls operate under? My measurements are 1/4" OD x 0.050" Wall Thickness. What wall thickness is it? What other specs are pertinant? Can you get this tubing from Grainger or somewhere? What about local hardware stores? The tubing appears to be 1/4" OD nylon tubing. I don't know if I am ready to tackle that myself or not. I might patch this temporarily to see if I can get it working properly before I try and replace all of it. The right thing to do is replace all of it. It has little brass tube nuts and ferrules. one of the little clear tubes coming from the joystick in the bucket back to the lower controls springs a leak. after just trying to function the boom with the lower controls. it appears alot of the hydraulic fluid has slowly leaked out on the drivers side rear outrigger. Symptoms would be the bucket was really slow to move once you moved or twisted the joystick.įast forward 2 years. you would have to bleed the joystick controls before you could use it. It had a previous issue that if it sat unused for several weeks. We fired up the truck last night and tried to operate the boom. It belonged to my late father-in-law and has been sitting for about 2 years. I think it is a 50' or 55' working height setup. I am trying to patch up a late '80's vintage Ford F800 with a Hi-Ranger boom on it.
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