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Hi Ben ,
My BH works very well with the Prince pump but another problem occurs ,( this time on my 2011 Jinma 254 tractor )
When the BH or another implement are on the 3 point ,a leak comes from the backplate below the small handle to adjust speed of the 3 point
I have tightened the 2 upper 21 mm bolts but the lower ones are in a very bad place
impossible to use any tool ,I will try to fix this before using the BH again
Stephan
Hi Ben ,
happy for you to get full refund of your new Prince pump
let us know how is your BH with the Prince ,
The shop have not used fittings included with Prince pump they sold me 2 elbows and 2 crimping ends nothing more ,
Good luck and happy digging !
Stephan
Hi Ben ,
happy for you to get full refund of your new Prince pump
let us know how is your BH with the Prince ,
The shop have not used fittings included with Prince pump they sold me 2 elbows and 2 crimping ends nothing more ,
Good luck and happy digging !
Stephan
Hi ,again
I found something about CBN pumps on the web ,these pumps are available with different rotations ,maybe just a mistake from the guy who order pumps have caused all our problems,
I was happy to see the rotation can be changed without problems ,the tech told me this kind of pump are almost the same to an italian made pump he sells (don`t remember the trademark )
Model:CBN—E310 Rate of flow:20(m3/h) Pressure:16(Mpa) Material:cast aluminium Rotate speed:2000 Efficiency:90%
With its simple structure, small size, lightweight, safe operation, and convenient maintenance,it is widely used in hydraulic system of agricultural machinery, engineering machinery, light industry machinery, railway machinery and mine machinery.
Stephan
StephanHi Ben,
If you want to use your BH before receiving Prince pump ,I think every hydraulic spécialist can make the gear rotation change whith eyes closed … , d`ont try to invert gears by yourself ,also if your seal are not too damaged it will handle oil because the back pressure do not exist when gears are in the right direction ,if you live near an hydraulic shop it worth the effort ,
Hi Ben ,I has not ordered any seal yet but i will need 2 ,
I has purchased locally a new complete cbn pump for one of my 2 BH and a Prince pump for the other (I will keep for me)
Now the hoses are at the right place on the cbn ,bigger hole on pump for sucking and small one for pressure ,no back pressure causing seal blowing ,simply an error has been made at the Chinese BH manufacture or at the pump manufacture ,
Stephan
Some GOOD news from Quebec Canada !
PROBLEM SOLVED I have just finish testing the CBN pump who have gears inverted by my Hydraulic shop ,AND IT WORKS ! YAHOOOOOOOOO!
Don`t ask me how but it takes 5 minutes to do
The pumps shipped with BH have wrong rotation ,I think we will see this issue again and again these BH seems very popular ,
Hope my efforts will help CTOA users
Ben ,i Will make you a confidence ,you will certainly appreciate the Prince pump ,I have both and definitely I will sell the one with CBN pump ,
another good news your CBN are not junk ,put a new shaft seal and ask a professional to change direction and you got a perfect package you can sell locally ,to refund you a little money ,
I will do that with my 2 failed CBN
Thanks to all supporters, specially Bob
Stephan ,
Hi Ben ,
ask for the full refund for the Prince pump from your seller
the shipping from China are nearby $ 200 for a CBN pump priced at $40
and they dont like to ship little parts too moch time consuming
Hope it will help you
Stephan
I have not yet tested the CBN modifications now ,but if it works ,I will sell the pump and gearbox to get back money ,hope to forget this nightmare ,if i reorder BH in future I will never ask for pumps and buy Prince pumps for every BH
Hi ,I went to the Hydraulic shop yesterday ,and they have disassembled the CBN pump to change direction as promised ,again they told me chinese have made a mistake about pump rotation ,they also stated all the pumps who blows seals are not junk ,just change gear roration ,(seems simple for spécialists ),replace a new seal ,and you got a new pump without any problem ,but they are cheap and can be never compared to a Prince pump ,the Cadillac of pumps
I project to make tests tomorrow morning and give you the results ,maybe it could help somebody to not spend money like Ben and me
Stephan
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