K8V
36Pages

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Catalog excerpts

K8V - 1

Closed Loop Swash Plate Type Axial Piston Pump

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K8V - 2

I. Applications / Product Usage 1. Operating Fluid and Temperature Range 2) Viscosity and Temperature Range 2. Filtration and Contamination Control 2) Suggested Acceptable Contamination Level 3. Drive Shaft Coupling 5 1) Pump Case Filling 3) Long Term Out of Usage 1) Installation of Drain Line 2) Size of Drain Hose • Drain Pipe 7 6. Shaft Loading and Bearing Life IV. Conversion Factors, Formula and Definition 8 •K8V Series Closed-Loop Variable Displacement Type Axial Piston Pump Specifications, General Descriptions, and Features 10 ♦Pressure Cut-off 2-2. Functional Description of Regulator...

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K8V - 3

. Applications / Product Usage The following must be taken into consideration before use. 1. The operating condition of the products shown in this catalog varies depending following, please consult with Kawasaki in upon each application. Therefore, the product suitability must be judged by the (1) Use the product under the operating designer of the hydraulic system and/ conditions or environments other or the person who finalizes the technical than those described in the technical specifications of the machine after analysis and testing. The product specification shall (2) Use the product...

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K8V - 4

. Safety Precautions Before using the product, you MUST read this catalog and MUST fully understand how to use the product. To use the product safely, you MUST carefully read all Warnings and Cautions in this catalog. 1. Cautions related to operation - Use the personal protective equipment to prevent injury when the product is in operation. - Some components are heavy. Handle the product carefully not to hurt your hands and lower back. - Do not step on, hit or drop , or apply strong force to the product, as these actions may cause operation failure, product damage, or oil leakage. - Wipe...

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K8V - 5

. Handling Precautions 1. Operating Fluid and Temperature Range 2. Filtration and Contamination Control Values shown in this catalog are based upon using mineral oil based anti-wear hydraulic fluid. To ensure optimal performance use of mineral oil based anti-wear hydraulic fluid is recommended. The most important means to prevent premature damage to the pump and associated equipment and to extend its working life, is to ensure that hydraulic fluid contamination control of the system is working effectively. 2) Viscosity and Temperature Range To minimize both oil and seal deterioration, a...

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K8V - 6

. Handling Precautions 3. Drive Shaft Coupling Alignment between the prime mover and the pump shaft should be within a tolerated margin, that is, parallel misalignment within 0.05mm TIR* and angular misalignment within 0.2 TIR*. In case the pump is directly coupled to the engine flywheel, use a flexible coupling. *TIR = Total Indicator Reading Parallel misalignment dial gauge (reading a) a/ 2 0.025 Angular misalignment dial gauge (reading b) SIN -1 ( b/D ) 0.2 4. Oil Filling and Air Bleeding 1) Pump Case Filling Be sure to fill the pump casing with oil through the drain port, filling only...

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K8V - 7

. Handling Precautions 5. Drain Piping 1) Installation of Drain Line It is the preferred option to mount the pump with the case drain piping initially rising above the pump before continuing to the tank. Do not connect the drain line to the inlet line. Must be higher than top of pump case. Cautions A) Inlet and drain pipes must be immersed by 200 mm minimum from the lowest level under operating conditions. B) Height from the oil level to the centre of the shaft must be within 1 meter maximum. C) The oil in the pump case must be refilled when the pump has not been operated for one month or...

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K8V - 8

. Handling Precautions 2) Size of Drain Hose or Drain Pipe The internal bore size of the drain hose or drain pipe must be larger than that of the drain port. Arrange the drain line as short as possible. 6. Shaft Loading and Bearing Life Although K8V pumps are equipped with bearings that can accept some external radial forces, exertion of external radial loads will affect bearing life. Depending on the load magnitude, the load position, and the load orientation, bearing life may be influenced and reduced. Consult with Kawasaki for further details.

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K8V - 9

. Conversion Factors, Formula and Definition Conversion Factors Formula Formula Metric system Output flow Imperial system Input power Maximum speed at maximum displacement Phigh – Plow High pressure Rated pressure Peak pressure charge pressure Input torque Maximum input torque Pump volumetric efficiency Pump mechanical efficiency Pump total efficiency Differential pressure)

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K8V - 11

K8V Series Closed-Loop Variable Displacement Type Axial Piston Pump Specifications Size: 71*, 90, 125 Rated Pressure: 40 MPa Peak Pressure: 45 MPa Features • Swash plate type, variable displacement axial piston pump for closed loop system • High overall efficiency • Suitable for wide range of applications General Descriptions The K8V series are variable displacement axial piston pumps for closed loop systems, with superior overall efficiency, stability, and control characteristics. The K8V pumps are applicable for a wide range of applications , including industrial vehicles such as...

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K8V - 12

Ordering Code Please fill the Inquiry Form on page 32 and 33 in order to specify the requirement. K8V Series, Variable Displacement, Axial Piston, Closed Loop Pump Under development

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K8V - 13

Please fill the Inquiry Form on page 32 and 33 in order to specify the requirement.

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K8V - 14

Technical Information Displacement Pressure, main Pressure, charge Size Main pump Charge pump Rated Peak Rated Peak Allowable case pressure Rated Speed Maximum 2 (intermittent) Minimum Case volume Viscosity range Maximum contamination level Temperature range Allowable through drive torque 1 maximum allowable speed for continuous operation. 2 maximum allowable speed for limited operating period and duty. Exceeding this value will result in a reduced service life or the destruction of the pump. Note: Operation above the maximum values or below the minimum values may result in a loss of...

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