Kubota M4700 Auxiliary Diverter Valve and Pump

Kubota M4700 Auxiliary Diverter Valve and Pump

The auxiliary diverter valve and pump are the core components of a loader's hydraulic system. Without them, the tractor simply will not function. Here's how to install or repair the valve. You'll find detailed instructions and illustrations in the factory workshop manual. The manual also includes troubleshooting and service information. Download your free PDF manual today to learn how to install, service, and troubleshoot your Kubota M4700, M5400, or any other brand.

auxiliary diverter valve

A Kubota m4700 auxiliary diverster valve allows the operator to switch hydraulic attachments. This valve comes with a mounting bracket and bolts to easily install it. Once installed, the diverter valve lets the operator select which hydraulic attachment they would like to use. This feature is a great benefit for those who use a digger bucket frequently. It helps the operator avoid making unnecessary mistakes when switching attachments.

auxiliary pump

An auxiliary diverter valve (ACV) is hydraulically connected to the auxiliary pump 126 and a fluid line 201. It directs pressurized hydraulic fluid from the auxiliary pump into the loader's boom or backhoe hydraulic system. The valve has two positions, allowing the operator to choose between the boom and backhoe hydraulic systems. The valve may not be needed in an alternate embodiment.

Auxiliary control valve 179 directs hydraulic fluid through a circuit that is separate from the boom and bucket circuits. It also serves as a connection point for the hydraulic motors of attachments. By allowing extra hydraulic flow, the auxiliary control valve enables faster movement of the attachments' hydraulic devices. During operation, this valve also reduces the machine's idle time.

Auxiliary pumps can divert engine horsepower to auxiliary circuits or auxiliary pumps. The engine may only need 75 percent of its available horsepower to drive a hydraulically powered attachment, while the loader uses 50 percent. The remainder of the engine's horsepower may be available for the rockshaft or the hydraulic system. The auxiliary pumps are essential for the operation of many attachments, so they must be properly sized.

Auxiliary pumps provide hydraulic power for the backhoe and loader hydraulic systems. The first pump is connected to the engine and provides pressurized hydraulic fluid for the steering cylinder. The second pump is connected to the tractor's engine and powers the hydraulic cylinders of the three-point hitch or loader. A third pump generates pressurized hydraulic fluid for the power takeoff clutch pack and hydraulic cylinders.

auxiliary circuit

You can find your auxiliary circuit wiring diagram in the factory workshop manual for your Kubota M4700 or M5400 tractor. The manual features illustrations, step-by-step removal and installation instructions, and troubleshooting. The workshop manual is also available in a high-quality PDF. After purchasing the manual, be sure to read it thoroughly before you attempt any repairs. Aside from being easy to read and print, the manual contains important information and step-by-step diagrams.

auxiliary circuit of loader hydraulic system

Auxiliary control valves on Kubota m4700 loaders are essential for operating the loader. The hydraulic system has three pumps - the main pump 134, the auxiliary pump 126, and the steering pump 124. The main pump 134 charges the hydraulic system, which includes the boom cylinder 141 and the bucket 142. Hydraulic fluid may be supplied to the bucket and boom by single-acting cylinders or double-acting cylinders. The controls for each of these components may include monoblock or spool valves.

The auxiliary pump 126 may be hydraulically connected to auxiliary control valve 179. The valve may be mounted in a mid-inlet position on the hydraulic system of the loader. It may be a spool or cartridge valve. The valve may be connected to the neutral core line between the boom and bucket control valves. The auxiliary pump may provide hydraulic flow to auxiliary attachments, including the boom.

The third function kit on a Kubota M4700 tractor enables the operator to operate the hydraulic implements remotely. This kit connects to the existing hydraulic valve on the loader and enables the operator to operate multiple functions at once. The tractor has three functions in addition to the primary function. The operator can select any one of these by selecting the third function valve. It is easy to install, with no special modifications required.

Auxiliary control valves are critical for the performance of the hydraulic system. Without this valve, a small utility tractor engine would slow down significantly, limiting its tractive power. This valve also prevents damage to the loader hydraulic circuit, which is essential to perform tasks. Once the valve is replaced, it may be difficult to reverse the process. However, if the valve is replaced, the tractor is still in good condition.


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