John Deere
Trouble code bcu 73
How to Identify and Fix Common Gardening Problems ?
We provide a variety of viewpoints on how to identify and fix common gardening problems. Our sources include academic articles, blog posts, and personal essays from experienced gardeners :
Powershift PTO engagement problems could be from blocked hoses or fittings, bad connections or ground or the solenoid. Mechanical PTO engagement problems could originate from low air pressure, improper cable installation or back lash too tight.
Mid- and rear-PTO shafts are operated through a separate clutch that is completely independent of the engine clutch and transmission. To operate PTO, simply shift the PTO selector to one of the following positions and pull up on the PTO engagement knob located on the dash; no foot clutch is required.
The tractor`s stub shaft, often called the PTO, transfers power from the tractor to the PTO-driven machine or implement. Power transfer is accomplished by connecting a drive shaft from the machinery to the tractor`s PTO stub shaft.
On a Putzmeister MR 688 series the PTO Pump/Drive switch gets its power from a fuse located in the Mack fuse block.
Pump trouble is usually characterized by increased noise, increased heat, erratic operation of cylinders, difficulty or inability to develop full output, decreased speed of cylinders or hydraulic motors, or failure of the system to work at all.
Power take-off (PTO) is a device that transfers an engine`s mechanical power to another piece of equipment. A PTO allows the hosting energy source to transmit power to additional equipment that does not have its own engine or motor. For example, a PTO can help run a jackhammer using a tractor`s engine.
A PTO is a device (a mechanism) usually seated on the flywheel housing, which transfers power from the driveline (engine) to a secondary application. In most cases, this power transfer applies to a secondary shaft that drives a hydraulic pump, generator, air compressor, pneumatic blower, or vacuum pump.
Power take-off (PTO) clutches provide a mechanical disconnect between the power created by gas and diesel engines or electric motors to another piece of equipment. The PTO clutches enable the transmission of that energy to auxiliary equipment that does not generate its own power.
Trip switches are basically fuses; when too much current (AKA load) passes through a given circuit the switch (which are rated e.g. 13 AMP) is `tripped` and the circuit is broken.
PTO clutches generally overheat because of improper lubrication/greasing (both too much and too little can cause problems), excessive sideload, or a new installation. Operators are advised to reduce sideload and inspect grease levels first.
Belt-the number one cause for your blades not to engage is that your belt is either stretched or loose causing it to slip or fall off completely. Belt could have snapped also. When you are trying to process too much grass/leaves they could pack up under your deck and push off your belt.
For power shift operation, when a power shift PTO is engaged, a solenoid is energized. Air or hydraulic fluid then compresses a clutch pack in the PTO. This locks the PTO output gear to the output shaft and allows work to be done. When the power shift PTO is disengaged, the solenoid de-energizes.
Discover Relevant Questions and Answers for Your Specific Issue
the most relevant questions and answers related to your specific issue
Need the pto to work on a 6300 john deere tractor we have changed the fuses and changed the sencer on the back can you help
ANSWER : If you have tried a new sensor and a new switch the the next step is to replace the pto solenoid valve.If that proves fruitless then the b.c.u.needs to be replaced or bypassed.The solenoid valve will cure your problem 90% of the time.If that does not work,let me know,i can tell you how to by-pass the b.c.u..
Read Full Q/A … : John Deere
John deere stx 30 pto wont engage
ANSWER : Check your fuse or for a broken wire( or shorted)
Read Full Q/A … : John Deere
Weak fire out of coil wire – John Deere Pto Clutch For Stx38 And Stx46 Lawn Mowers
ANSWER : This can be due to a dirty flywheel, an improper gap between the flywheel and coil, or a coil that is failing, first check for rust or dirty build up on the flywheel, then check for proper gap, and if neither of those are the issue, replace the coil
Read Full Q/A … : John Deere
I am trying to find a new or second-hand bonnet for my john deer stx38. i live in the gippsland area. any suggestions?
ANSWER : I use www.greenpartstore.com
Read Full Q/A … : John Deere
Looking for information on a John Deere tractor S/N CH0850S017329 and the current estimated value of this tractor with approximately 2,700 hours on it.
ANSWER : Can you please post the model number of the tractor? Thanks
Read Full Q/A … : John Deere
How do i replace a clutch on a JD 3020 tractor
ANSWER : Break it in half, then get with it.
Read Full Q/A … : John Deere
JD 6400 tractor, PTO light flashes when engaged but PTO does not work.
ANSWER : The most likely problem is the pto solenoid valve on the rear of the tractor.It could be the speed sensor but you won’t know until you get the codes read by the dealer.I have had to replace the b.c.u. for this problem but it is not common.
Read Full Q/A … : John Deere
Our john deere 400 is eating the belts for the front pto drive
ANSWER : Flat idler to left of belts is most likely seizing up during use.
Read Full Q/A … : John Deere
