I had no brakes on my older hyster forklift. When I put break fluid in it and tried to move it the cluch would not move at all and when I put it in gear, nothing happened
just tried to find an obstruction
The left brake/ inching pedal, kicks the transmission into neutral. Check the brake line from it to the transmission control valve and bleed the valve at the transmission. It has likely gotten the transmission inching valve depressed, keeping the unit from driving.
the pedal is not moving at all, like it is just hitting bare metal
every thing worked well until I filled the breaks
The master cylinder on the left side may be rusted up and need to be replaced. Try bleeding the line at the transmission cover.
OK , Do I just let you know if it works?
i'M NOT AT MY SHOP NOW
wouldn't I have to depress the pedal to bleed the line?
I have already checked and the master cylinder on the left side looks fine and has no rust.
No, if it has pressure on the inching valve, it will have brake pressure on the bleeder, just open the bleeder and see if it will drive.
You can come back to the question later and let me know what you find. Thank you.
OK it will be monday before I can try this
Ok, I will check back. Thank you.
I tried to bleed the line at the transmission but was nothing worked. Maybe I did not do this in the right place.
There should be only one brake line on the transmission control.
I had a thought, could the brakes be locked up, keeping unit from moving either direction? You would need to raise front end up and see if the wheels will rotate.
I raised front end and the wheels would not turn
Thar=t would mean the brakes are locked. Try bleeding the wheels. If there is pressure on the brake line, and then the wheels will turn, I think yo need to replace the master cylinder for the brakes, it could be causing the whole problem.
I bled from plug at t-union to tran. and wheels. After bleeding almost all fluid from m. cylinder on right side I had breaks on left pedal but no pedal at all on right. The machine went forward and back with breakes on left pedal. I put more fluid in right m. cylinder and every thing locked up as before.
So the right master cylinder is bad.
I'll check it out but I think it strange that it is bad and still pumps fluid to wheel bleed
One of the master cylinders is not coming back far enough to open the return port. That one is the bad one.
Why does it work when only half the fluid is out. I'm not doubting your knoweldge, I just want to make sure this will fix my problem. The $28 is a small price to pay to be able to fix this myself
A master cylinder has to pump pressure, then when released, it has a small hole , that the piston inside has to uncover to allow the pressure to move back into the reservoir. If the piston does not return, the brakes stay engaged. You could try backing up the adjusting rod on the master cylinder to see if it helps.
thanks, I will get back on it first thing in the morning
I went ahead and ordered a master cylinder and should get it this week. Will let you know as soon as I can.
that did not totally solve my problem but I can use the lift semi- safely now. I see the charge has already hit my credit card. Do you know anything about the steering. It has a lot of play in it.
For me to get paid you have to hit the ACCEPT button. The steering can be loose anywhere, you just need to see where the slack is, could just be loose nut, or the tie rods could be worn out. Turn unit all the way in one direction and then observe the linkage as you turn wheel back and forth, then turn the steering in the opposite direction and check the other side.