Bro-Tek Thumb Instruction Manual
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Bro-Tek Thumb
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1. Introduction:
A. Proud Owner:
. You are now the proud owner of a Bro-Tek Thumb.
This Thumb is made for your backhoe. It will outlast your original
tractor & be ready for your next one. Please read these
instructions, before installing the Thumb. The Thumb has been
designed for easy installation & pre-painted, to match your
tractor. This bolt on Thumb is shipped complete in a box, all
hardware included. Design to be very easy to install & assemble.
Unit is foldable, it is a 3-position thumb.
17 degrees back
9 degrees to boom
17 degrees forward
Thumb can move rocks,stump, tree….. Great item to have!
B. Feedback:
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Bro-Tek Thumb
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. We would love any feedback that you could give us
(Positive/Negative), to improve our product line.
Please email us your comments/pictures too:
2. Safety Precautions:Important Safety
A. Park on a firm level area.
B. Stop engine, set brake, remove key and wait for all moving
parts to stop before starting installation.
C. Block up or rest the backhoe before working beneath unit.
D. Read and understand the original Tractor backhoe Operator’s
Manual. Read all precautions found in the tractor and loader
manuals.
E. Never use the Thumb without having the front-end loader &
Stabilizer pads firmly on the ground.
F. Keep all persons, at least 20 feet away from the backhoe/Thumb
at all times. When a heavy load is being moved with the thumb,
this can have serious injury if all precautions are not taken.
Make sure to mark a safety perimeter around the work site.
G. Take special precautions for operator & bystanders on hillside.
The material can tumble a very long distance; use barriers to
secure the material to a tight area.
H. Never go underneath or nearby the thumb, even if the tractor is
stopped. The boom should always be lowered to the ground,
before the operator steps out.
I. Never assume the load is secure in the Thumb. Always keep the
load to the lowest/closest possible to the ground/tractor.
This will help to reduce a tip over.
3. Tools/torque/Parts required:
A. Wrenches or socket (3/4”)
B. Torque wrench (50Lb-Ft =70N/M).
4. Assembly Instructions:
A. Once you have followed the safety precautions & have removed
the Thumb from it’s packaging, please take notes of all the parts
& follow the assembly instruction.
B. Free up work place of all disturbance & clutter. Take your
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time installing it (This can be easily be done by one person in 10
minutes).
C. After having done this a few times, most people will fully
assemble the thumb, except the two top bolts. Then slip the
thumb onto to boom.
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For the first time around, install the top two bolts ( some thumbs
only require 1), Lock nut, washers. Do not tight it all the way,
like the one in photo.
Note: The front of the plate will have #’s (stamp or marker)
on the inside of them; these should be towards the bucket.
Install one or two top bolts
D. Install other two bolts, in the lower holes.Do not tighten
them all the way.
Commented [DB1]:
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D. Push the two plates away from the bucket, until the bolts snug
up against the boom. Tighten the 3 or 4 bolts snug.
Install the arm with the connect link that
is preassemble with the two pins with the
linch pins and bolts.
E. Try the rear pins with the connecting link in all of the
three positions and also fold up the thumb.
F. If the pins does not fit. The plates are probably not squared
up. Move the plates a small amount. Once all of the pins fit
in the position. Torque the nuts at the 25 lb-ft rating, in a
crisscross pattern, while always checking the pins for free
movement.
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F. Check clearances around the Thumb side plates & nuts/bolts
(Various opening) no point of contact should be noticed except for
the Bucket\the jaw of the Thumb.
This a location also needs to verify, retract fully the cylinder and check for
clearance. Extend fully the cylinder and check for clearances.
J. Important Safety: If there is a point of contact (hydraulic
fitting/lines) or sign of metal fatigue, do not continue to
use the thumb, until the problem is fixed.
K. Check everything out for clearances & binding. Recheck nuts &
bolts after the first use & every month afterward.
5. Congratulations:
You have successfully installed your Bro-Tek Thumb. I hope this
was a pleasant experience & that you would recommend this
product to all of your tractor friends. The Thumb can remain on
the tractor, for all the preventative maintenances & the
everyday use.
6. Thank you:
We would like to thank you for supporting us & hope to do
future business with our new upcoming line of products.
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