Found New Job for Root Grapple

i7win7

Active member

Equipment
BX2370, B2650 grapple, tree puller, trailer mover, 3 point hoist, mower, tiller
Feb 21, 2020
329
71
28
Central, IL
part 1 of 3

Latest hillbilly creation Grapple Pole Prunner:
Materials: 12' treated 4x4, 2 gate hanger hinge pins and straps, 2 hanger straps for rolling door track and misc. hardware. I purchased a cheap 20v pole pruner at Walmart for this project. Unit was assembled on open grapple.

1. Turn the door track hangers into C shaped mounting brackets. Easiest way, just clamp them to grapple and cut waste off with angle grinder
20200717_125351.jpg


The lower tube is smaller, only cut off one bottom angle. Both angles for upper tube.
20200717_125613.jpg


2. Attach lower clamp and slide onto grapple. Curl up and drill pilot hole for gate hinge pin (lag bolt style).
Assemble hinge pin and strap to locate hole. The doubled up side of strap is in front of grapple tooth. After hinge and strap are mounted, I added a lag bolt and washer spacers to 1st strap strap mounting hole.
20200717_135318.jpg


3. Upper mount, basically the same as lower mount except door track hanger on bottom side of 4x4. Added bolt to second hole to reduce side play in upper mount.
20200717_135334.jpg


4. Set polesaw on 4x4, added piece of 2x4 as spacer and tied down with bungee cord.
20200717_143428.jpg


5. Assembled rear guide box from scrap 2x4. Reasoning, when lowering saw on tree limb, a visual indicator of gravity pressure being applied (be careful when battery touches boom applying pressure directly on fiberglass pole).
20200717_143417.jpg


6. With polesaw fully extended, blade almost reaches light fixture.
20200717_143748.jpg


7. During assembly, grapple would slowly close. Added 2x4 to help it stay open.
20200717_145630.jpg


8. Photo of pole assembly
20200717_145843.jpg
 

i7win7

Active member

Equipment
BX2370, B2650 grapple, tree puller, trailer mover, 3 point hoist, mower, tiller
Feb 21, 2020
329
71
28
Central, IL
part 2 of 3

Grapple Pole Prunner: Electrical mods
Here I have done a few small steps, removed cover screws and cover, removed switch, selected location to drill and installed grommet and automotive style electrical connector.

Note: on the half I'm wiring into saw, the female terminal is the white wire. This will connect to wire from battery connector. Yellow will connect to the other switch wire.

20200718_144704.jpg

Here I have made the solder connections.
20200718_145331.jpg


A little out of focus, installed heat shrink insulation, installed switch and have wires routed for reassembly.
20200718_150301.jpg


Otherside of assembled handle. Unit can still be used as hand held polesaw.
20200718_151406.jpg


Put other half of electrical connector on leftover trailer wiring I had in garage. Temporary switches (usually removeable) don't require anything to profesional looking. Found a quick and dirty solution. During switch location testing on Kubota - magnet came out, waiting for the JB Weld to cure.
20200718_161126.jpg
 

i7win7

Active member

Equipment
BX2370, B2650 grapple, tree puller, trailer mover, 3 point hoist, mower, tiller
Feb 21, 2020
329
71
28
Central, IL
part 3 of 3

Grapple Pole Prunner: Day 3 testing
Added safety chain? Added transportation hooks on side. Screwed on washers and using horseshoe magnets for breakaway wiring harness.
20200720_150701.jpg

20200720_150332.jpg


Magnetic clamp allows multiple switch locations
20200720_150425.jpg

20200720_150355.jpg


Insert mad scientist laugh here
It works, kinda. Added piece of 3/4 plywood to reduce rotational play of cutting blade. Ran out of juice on small limb.
20200720_161858.jpg


Not to bad for 8" bar with 7" useable length
20200720_163534.jpg


Visibility of chainsaw bar sucks. Kubota hydraulics not so smooth 14' to 16' from pivot point. May need to make some kind of "saddlebag" weight behind motor (don't know if fiberglass pole can handle extra weight). Oh well here's before and after battery died pics.
20200720_151938.jpg

20200720_163052.jpg
 
  • Like
Reactions: 2 users

SidecarFlip

Well-known member
Lifetime Member

Equipment
M9000HDCC3, M9000HD, Kubota GS850 Sidekick
Oct 28, 2018
6,649
351
83
USA
When one of those limbs comes down and busts your melon you might be rethinking your modification.
 

Palmettokat

Active member

Equipment
M6800, B2710, L6060, Volvo 5 ton excavator and implements.
Apr 21, 2020
249
50
28
South Carolina
There is always the danger of limb jumping any direction when it lands or on it way to the ground. But a hard hat would provide some protection and the fact he is now, what ten feet or so further from the limb than using the saw hand held, he might just be safer than before, from falling limb. Now no idea on saw falling or hitting power line.
You will find it takes light controls on with the leverage on the saw as you have already mentioned. Be careful. I have used boom mower a fair amount and it is easy to be so focused on the cutter when raised to forget to watch where the tractor is. Looked one day to see my left front wheel in the air for was turning watching the cutter to see the road bed disappear. The weight of the of the cutter keep the tractor balanced till the tire made the turn back onto the raised road bed. Also keep eye out for spectators.
 

torch

Well-known member

Equipment
B7100HSD, B2789, B2550, B4672, RC54-71B, 48" cultivator, homemade FEL and Cab
Jun 10, 2016
1,486
64
48
Muskoka, Ont.
Kubota hydraulics not so smooth 14' to 16' from pivot point.
I found the same with my home-made crane pole. Best used with the engine throttled right down and two hands on the joystick for minimum speed and maximum smoothness.
 

NHSleddog

Well-known member
Lifetime Member

Equipment
B2650
Dec 19, 2019
1,168
424
83
Southern, NH
When one of those limbs comes down and busts your melon you might be rethinking your modification.
How about if he uses it for 20 years and a limb never falls on him? Should he rethink it then?

It looks like a good mod for limited use. Much better than standing under it or using a ladder.
 
  • Like
Reactions: 1 users

G.rid

Member

Equipment
L48 tlb, ssqa forks, manual thumb for hoe
Aug 19, 2016
175
1
18
Shelburne, NS, Canada
I'm not familiar the battery powered pole saws. What voltage battery does it use? Is it possible to run it from the tractors battery? Might need a step up transformer if its 18 or 24 volt?

It's not intended to keep you out there working longer, Just throwing it out there. Lol
 

i7win7

Active member

Equipment
BX2370, B2650 grapple, tree puller, trailer mover, 3 point hoist, mower, tiller
Feb 21, 2020
329
71
28
Central, IL
It's 20v, DC can't be stepped up. DC has to be converted to AC, then transformed to higher voltage, the converted back to DC. Electric saw only needs external switch, gas would be to complex for this project.

Wanted to use a Dewalt saw, have multiple batteries, none of my regular stores had one. Murphy's law - built it and now stores have them.
20200717_162340.jpg
 

Russell King

Well-known member

Equipment
L185F, Modern Ag Competitor 4’ shredder, Rhino tiller, rear dirt scoop
Jun 17, 2012
2,150
66
48
Austin, Texas
You should think about putting a camera up near the saw so you can see what is going on better.

If you have a smartphone you can get a small boroscope type camera on a flexible cord for around 20 bucks to hook up to the phone.. There may be better options for the application.
 

i7win7

Active member

Equipment
BX2370, B2650 grapple, tree puller, trailer mover, 3 point hoist, mower, tiller
Feb 21, 2020
329
71
28
Central, IL
You should think about putting a camera up near the saw so you can see what is going on better.
Something to consider, I'll use it as is for awhile. Maybe need bigger tractor or re-purpose existing equipment.
Jul12_0002.jpg


May take several weeks @ 1hr/charge but should be a 1 time project. Run time longer when used handheld. Running when trying to lower on branches and some extra time to switch off. Have a few minor mods to try.