Jib experience anyone?

C

Cameron

Location
NJ
I have a job coming up this week that the I may have to put the jib on. I've never put the jib on our old crane but the new crane has a lot more capacity. But I've heard jibs and tree work don't mix. I know the placards on the crane say to always know the weight of the object when useing the jib. With tree work that is next to impossible. Greatly apprecciate any feed back.
245525-HaddonfieldContract025rs.jpg
 

Attachments

  • 245525-HaddonfieldContract025rs.webp
    245525-HaddonfieldContract025rs.webp
    122.4 KB · Views: 67
It's no big deal, stay in chart like you normally would and rock on.

14T for height:
IMG_2280.jpg

IMG_2241.jpg


100T for reach to 145':
105d1ac6.jpg


Luckily the newer 120T has 171' of main, haven't needed the jib with it.
 
I would have to agree. Jib work is no different then working off the main stick except the capacities are lower. Maybe just ad a little extra safety factor when estimating your weights. No big deal. good luck.
 
Make sure that the wind is fairly low, jibs do not handle side loading very well also double check that you are overcenter on the pick before you pretension the line for the same reason.

Most jibs are designed for height not distance so just keep this in mind while operating.
 
I agree with all the above. My old crane had a jib and and extension. I used the jib all the time with no problem and the extension off and on. Remember why your putting it out....so you can reach high enough to get a smaller piece that is still but heavy. Makes perfect sense. Unless you are using it to reach out farther then just follow the chart. With your experience it shouldnt be a problem.
 
There were also times I still couldnt get high enough so I would rope the piece into the tree while tied into the crane(make sure your not in the fall) and then pick the piece out of the tree. Hope this helps.
 
Almark is right, false croching a piece into the tree works well. I have done that many times to avoid putting the jib on. Just be extremely careful where the crane is placed. I smashed my pinky finger one day about 7 year ago because the ground crew didnt let the piece run and I had the crane tip too close. I was lucky it wasnt worse. Just stay safe out there and definatly dont forget the pictures.
 
[ QUOTE ]
Don't forget the pictures.

[/ QUOTE ]

Absolutely
wink.gif


Jib going on since I took it of cause we never use it
245968-HorseshoeCt007rs.jpg
 

Attachments

  • 245968-HorseshoeCt007rs.webp
    245968-HorseshoeCt007rs.webp
    191.4 KB · Views: 54
It sure did seem to wiggle a bit more. Had more trouble with getting the crane level in that driveway. The load kept pulling to the front of the truck. I was constantly on the swing break all day. Talk about riding the break gave new meaning on that job!
 
Jibs are nice on the bigger cranes...I have a guy I use a lot that has a Link-Belt 75 ton that we swing both jibs for regularly. I thinks it's 115 for the main and then 42+35ish for the jib so it ends up right around 190 feet of stick when he's done. Then he's good for small loads up to about 150' away...the jib doesn't wobble and shake much on that size crane...unless you pitch it...which I've only done once. Then it's really wobbly because the top 2 pins that hold the jib aren't rigidly fixed to the boom head. Because you're moving the main boom back towards the crane you actually pick up about 300 pounds of capacity at long radii doing that...not worth the time or the floppiness, but still...
 
You must log in or register to reply here.

New threads New posts

Back
Top Bottom