K3VLS
36Pages

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Catalog excerpts

K3VLS - 1

Swash Plate Type Axial Piston Pump

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K3VLS - 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 or Drain Pipe 7 6. Shaft Loading and Bearing Life IV. Conversion Factors, Formula and Definition 8 •K3VLS Series Variable Displacement Type Axial Piston Pump (Specifications, General Descriptions, and features) 2-2. Functional Description of Regulator 14 ♦L0/L1: Load Sensing and...

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K3VLS - 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 included in the following, please consult upon each application. Therefore, the with Kawasaki in advance product suitability must be judged by the 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 in the nuclear...

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K3VLS - 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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K3VLS - 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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K3VLS - 6

. Handling Precautions 3. Drive Shaft Coupling Alignment between the prime mover and the pump shaft should be within 0.05 mm TIR*. In case the pump is directly coupled to the engine flywheel, use a flexible coupling. *TIR = Total Indicator Reading dial gauge (reading a) a/ 2 0.025mm 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 the suction line with oil is totally in-sufficient. The pump contains bearings and high-speed sliding parts including pistons with shoes and...

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K3VLS - 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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K3VLS - 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 K3VLS pumps are equipped with bearings that can accept some external thrust and radial forces, application of such loads will affect bearing life. Depending on the load magnitude , the load position, and the load orientation, bearing life may be significantly reduced.

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K3VLS - 9

#• Conversion Factors Pd = Pump delivery pressure MPa (psi) Ps = Pump suction pressure MPa (psi) PL = Load sensing pressure MPa (psi) Pdr = Pump case pressure MPa (psi) Pr = Power shift pressure MPa (psi) T = Input torque Nm (Ibf-ft) Tmax = Maximum input torque Nm (Ibf-ft) nv = Pump volumetric efficiency nm = Pump mechanical efficiency n = Pump total efficiency

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K3VLS - 11

K3VLS Series Swash Plate Type Axial Piston Pump Specifications Size : 50*, 65, 85, 105, 125*, 150* Rated Pressure : 28 MPa Peak Pressure : 35 MPa Features • Variable axial piston pump of swash plate design in open circuits • High overall efficiency • Compact size General Descriptions The K3VLS are variable displacement axial piston pumps of swash plate design, suitable for use in mobile applications and industrial vehicles with middle pressure hydraulic systems. The K3VLS pumps enable flexible configuration in a wide range of applications with their compact size and light weight design. •...

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K3VLS - 12

Ordering Code K3VLS Series, Variable Displacement, Axial Piston, Open Loop Pump

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K3VLS - 13

12. Torque Limit Setting (Available only with the attachment of Torque Limiter) — * * | For Torque Limiting Refer To Horsepower Setting Codes (Under Preparation)

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K3VLS - 14

Technical Information Displacement Pressure Allowable case pressure Speed Self prime Maximum Case volume Temperature range Viscosity range Maximum contamination level Allowable through drive torque Torsional Stiffness 1 Self prime speed is the maximum operating speed under the self priming condition at maximum displacement. Steady state inlet pressure should be greater or equal to 0 MPa gauge. 2 Maximum speed is the maximum operating speed that can run without damage to the pump under restriction of operating conditions. Allowable Maximum Input Torque SAE B Spline Specification Allowable...

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K3VLS - 15

2-2 Functional Description of Regulator L0 / L1: Load Sensing and Pressure Cut-off This regulator has function of flow and pressure control (i.e. load sensing control and pressure cutoff control.) To control flow a variable orifice is used. (A variable orifice is not included in the pump and shall be prepared separately.) Pump displacement is controlled to maintain the differential pressure across the orifice constant. The flow is controlled to a required flow regardless of pump delivery pressure. In addition, there is a pressure cut off function incorporated into the control. The pressure...

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