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Track Drive Motor - 2-Speed
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Catalog excerpts

Track Drive Motor - 2-Speed - 1

Track Drive Motor JMV Axial Piston Motor Powering Business Worldwide

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Track Drive Motor - 2-Speed - 2

Counter Balance Valve Sequence -----------------------------------------------------------------9 EATON Track Drive Motor Catalogue E-MOPI-MC018-E5 December 2015

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Track Drive Motor - 2-Speed - 3

General Introduction Features & Benefits • Integrated gearbox with 2-speed Axial Piston Motor • Rated pressure up to 365 bar • Displacement: 16cc ~ 274cc • Suitable for 1.5 ton ~ 50 ton mobile applications • Integrated Relief and Counterbalance valves • Integrated fail-safe mechanical Parking Brake • Higher mechanical and volumetric efficiency helps reduce power loss • Improved design for higher start up torque and overall efficiency • Optimum design ensures smooth start/accelerate and decelerate/stop • Compact design with high power density • Auto-shift from high-speed low torque to...

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Track Drive Motor - 2-Speed - 5

The following 24-digit coding system has been developed to identify standard configuration options for the JMVTwo Speed Track Drive Motor. Use this model code to specify a motor with the desired features. All 24 digits of the code must be present to release a new product number for ordering. • Available option A For consult * Fixed displacement

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Track Drive Motor - 2-Speed - 6

High speed Low High speed speed Gear ratio Typical vehicle application Relief valve Reducer Motor Automatic shift pressure Mechanical brake torque Normal pressure** Peak pressure Low High speed speed Max. output torque (Reducer) Motor displace-ment * Fixed displacement ** Nominal pressure is the max. relief valve setting pressure Operation temperature rating Oil viscosity recommendation Gear oil: 80W-90 Viscosity at 40°C Oil cleanliness minimum requirements Case pressure EATON Track Drive Mo

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Track Drive Motor - 2-Speed - 7

Parking Brake The Parking Brake Valve is incorporated into the system to provide controlled operation and reduction of wear to the Track Drive Motor. The Traction Parking Brake consists of multiple wet friction plates. The brake is applied via a spring force and removed by the motor's operating pressure. • Parking Brake - OFF [disengaged] When the operator selects the travel function, oil flow and system working pressure enters the work port of the motor (A) or (B), simultaneously oil flows via the spool chamber through an orifice, pressurizing the brake chamber piston, compressing the...

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Track Drive Motor - 2-Speed - 8

2-Speed Switch Rotation speed of the track motor is dependent on the angle of the motor swash plate. When the swash plate is at its maximum angle, the motor rotates at low speed. When the swash plate is at its minimum angle, the motor rotates at high speed. Motor speed selection is achieved through remote pilot pressure. • Low speed option When the pilot pressure at Pi is disconnected, the integrated Two-Speed Valve shifts to the low-speed position via spring force. At this point, the swash plate moves to its maximum displacement and the motor rotates at low speed. • High speed When the...

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Track Drive Motor - 2-Speed - 9

Counter Balance Valve Sequence • Parking Brake is Off [disengaged] during operation of the machine. • When machine descends on a slope, provides traveling velocity control. • After the machine stops on the slope, provides slip prevention. • When the motor stops rotation, supplementary flow can be provided through the Counter Balance when in its neutral position. EATON Track Drive Motor Catalogue E-MOPI-MC018-E5 December 20

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Track Drive Motor - 2-Speed - 10

Relief Valve Relief Valves are incorporated into the system to prevent internal damage of the Track Drive Motor. When the control valve ports A and B are blocked, there is no flow to the motor preventing any further traction movement. However, due to travel inertia of the excavator's upper body the motor will continue to rotate which induces excessive over pressure in the downstream port. The Relief Valves function is to discharge the rising port pressure from the high pressure port to the low pressure port of the motor. EATON Track Drive Motor Catalogue E-MOPI-MC018-E5 December 2015

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Track Drive Motor - 2-Speed - 11

Installation Dimensions JMV016 ~147, 168 G I Main port Main port Main Port * 10-M10 or 14-M10 is available EATON Track Drive Motor Catalogue E-MOPI-MC018-E5 December

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Track Drive Motor - 2-Speed - 12

Motor Output Shaft Dimension, mm 16(cc/rev) 16/11.4(cc/rev) Involute Spline Involute Spline Pressure Angle Pressure Angle Pitch Diameter Pressure Angle Pitch Diameter Pitch Diameter Involute Spline Involute Spline Involute Spline Pressure Angle Pressure Angle Pressure Angle Pitch Diameter Pitch Diameter Pitch Diameter Involute Spline Involute Spline Pressure Angle Pressure Angle Pressure Angle Pitch Diameter Pitch Diameter Pitch Diameter Major Diameter Minor Diameter Form Diameter EATON Track Drive Motor Catalogue E-MOPI-MC018-E5 December 2015

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Track Drive Motor - 2-Speed - 13

Application Description Traction Function • Starting the traction operation When the operator selects the travel function, oil flow and system working pressure enters the work port of the motor (A) or (B), simultaneously oil flows via spool chamber through an orifice, pressurizing the brake chamber piston, compressing the brake springs and releasing the brake. At this point, the Track Drive Motor will rotate and activate the propel work circuit. • Stopping the traction operation When the operator places the travel function to neutral, working pressure at the A or B port falls to zero and...

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Track Drive Motor - 2-Speed - 14

Application Data Sheet Contact: Date: Company/Location: Model / Application: Distributor/Eaton Contact: Annual Usage: Prototype / Production Date: Machine Specifications: Available Horesepower @ RPM: Vehicle Weight: Machine Life Goal: Type Hydraulic of Circuit: Machine Usage Environment: Machine Temperature Range: Drive Motor Qty: Sprocket (Wheel) Pitch Diameter: Main Relief Set Pressure: Main Relief Set Flow Rate: Hydraulic Oil Temp Range: Current Motor (mfg, model): Hydraulic Schematic Available: in3/ rev / cc / rev Current Track Drive Motor Info: Gear Ratio: Max Drive Output Speed: Drive...

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Track Drive Motor - 2-Speed - 15

EATON Track Drive Motor Catalogue E-MOPI-MC018-E5 December 2015

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Track Drive Motor - 2-Speed - 16

Eaton Hydraulics Group USA 14615 Lone Oak Road Eden Prairie, MN 55344 USA Tel: 952-937-9800 Fax: 952-294-7722 www.eaton.com/hydraulics © 2015 Eaton Corporation All Rights Reserved Document No. E-MOPI-MC018-E5 December 2015 Eaton Hydraulics Group Europe Route de la Longeraie 7 1110 Morges Switzerland Tel: +41 (0) 21 811 4600 Fax: +41 (0) 21 811 4601 Eaton Hydraulics Group Asia Pacific Eaton Building 4th Floor, No.7 Lane 280 Linhong Rd. Changning District Shanghai 200335 China Tel: (+86 21) 5200 0099 Fax: (+86 21) 2230 7240

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