Eaton Vickers 4520V-20-282 Series User Manual

I–3155–SRevised 07-01-86
Quiet Intra-Vane Type Double Pumps
2520V, 3520V, 3525V, 4520V, 4525V & 4535V
Series -20 Design 282/283 Suffix
Overhaul Manual
Vickers
®
Vane Pumps

Eaton Vickers 4520V-20-282 Series Specifications

General

Brand	Eaton
Model	Vickers 4520V-20-282 Series
Category	Water Pump
Language	English

Summary

Section I - Introduction

Purpose of Manual

Details the manual's scope, covering operational characteristics and overhaul for specific pump and motor types.

General Information

Provides information on related publications, service parts, and installation dimensions not covered in this manual.

Section II - Description

General

Describes the double intra-vane pump with a 282/283 suffix, focusing on noise reduction and cartridge kit design.

Section III - Principles of Operation

General

Explains the balanced intra-vane design, how pump delivery is achieved, and the role of the cartridge kit.

Section IV - Installation and Operating Instructions

Installation Drawings

References installation drawings that detail operating characteristics, dimensions, and port locations.

Mounting and Drive Connections

Provides guidance on pump mounting, shaft installation with couplings, and direct mounting via flange.

Shaft Rotation

Warns against driving the pump in the wrong direction of rotation to prevent damage.

Piping and Tubing

Recommends cleaning of pipes and tubing, minimizing fittings, and keeping bends to a minimum.

Hydraulic Fluid Recommendations

Discusses the dual function of hydraulic fluid and emphasizes proper selection, cleanliness, and filtration.

Sound Levels

Identifies factors affecting fluid conditions that cause loud noises in hydraulic systems, such as viscosity and aeration.

Overload Protection

Explains the role of the relief valve in setting maximum system pressure and protecting components.

Start-Up

Outlines the procedure for pump start-up, including minimum speed, priming, and potential issues.

Section V - Service and Maintenance

Circuit Inspection

Guides on periodic inspection of fluid condition and connections to prevent breakdowns and ensure longevity.

Adding Fluid to the System

Specifies how to add hydraulic fluid, emphasizing cleanliness and the use of filters.

Adjustments

States that no periodic adjustments are required, except for maintaining proper shaft alignment.

Lubrication

Covers internal lubrication by system fluid and lubrication of the shaft coupling.

Replacement Parts

Emphasizes using genuine Vickers parts for reliable operation and longevity.

Product Life

Discusses factors influencing product longevity and the need for periodic maintenance.

Troubleshooting

Provides a chart listing common difficulties, probable causes, and remedies for vane pump issues.

Section VI - Overhaul

Service Tools

Lists standard and special tools required for pump overhaul, including torque wrenches and shaft seal drivers.

Unit Removal

Provides safety warnings and steps for removing the pump unit from the system.

Disassembly

Details the step-by-step process for disassembling the pump, referencing an exploded view.

Cleaning

Instructs on thorough cleaning of all parts using compatible solvents to prevent contamination and wear.

Inspection, Repair and Replacement

Guides on inspecting internal parts, mating surfaces, seals, and bearings for wear or damage.

Assembly

Provides step-by-step instructions for reassembling the pump, with precautions for vane and rotor orientation.

Section VII - Start-Up and Test

Start-Up

Covers the initial start-up procedure, ensuring proper alignment, connections, and priming.

Test

Recommends testing the unit within the hydraulic system using speeds and pressures from installation drawings.