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Eaton PVM074 User Manual

Eaton PVM074
48 pages
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PVM Piston Pumps
Service Manual
PVM018/020
PVM045/050
PVM057/063
PVM074/081
PVM098/106
PVM131/141

Table of Contents

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Eaton PVM074 Specifications

General IconGeneral
BrandEaton
ModelPVM074
CategoryWater Pump
LanguageEnglish

Summary

Pump Description

Pump Operation Mechanism

Explains how the axial piston pump operates, focusing on swash plate interaction.

Pump Control Types

Describes the three common pump control types: 'A', 'B+C', and 'IC' controls.

Parts List

PVM018/PVM020 Parts List

Comprehensive list of parts for PVM018 and PVM020 models, including part numbers and quantities.

PVM045/PVM050 Parts List

Comprehensive list of parts for PVM045 and PVM050 models, including part numbers and quantities.

PVM057/PVM063 Parts List

Comprehensive list of parts for PVM057 and PVM063 models, including part numbers and quantities.

PVM074/PVM081 Parts List

Comprehensive list of parts for PVM074 and PVM081 models, including part numbers and quantities.

PVM098/PVM106 Parts List

Comprehensive list of parts for PVM098 and PVM106 models, including part numbers and quantities.

PVM131/PVM141 Parts List

Comprehensive list of parts for PVM131 and PVM141 models, including part numbers and quantities.

Parts Tables

Pressure Compensator Tables (PVM018/020)

Part codes for pressure compensators based on model code position for PVM018/020.

Pressure Compensator Tables (PVM045/050)

Part codes for pressure compensators based on model code position for PVM045/050.

Pressure Compensator Tables (PVM057/063)

Part codes for pressure compensators based on model code position for PVM057/063.

Pressure Compensator Tables (PVM074/081)

Part codes for pressure compensators based on model code position for PVM074/081.

Pressure Compensator Tables (PVM098/106)

Part codes for pressure compensators based on model code position for PVM098/106.

Pressure Compensator Tables (PVM131/141)

Part codes for pressure compensators based on model code position for PVM131/141.

Model Code Identification

PVM018/PVM020 Model Code Breakdown

Explains the meaning of each code position for PVM018 and PVM020 model numbers.

PVM045/PVM050 Model Code Breakdown

Explains the meaning of each code position for PVM045 and PVM050 model numbers.

PVM057/PVM063 Model Code Breakdown

Explains the meaning of each code position for PVM057 and PVM063 model numbers.

PVM074/PVM081 Model Code Breakdown

Explains the meaning of each code position for PVM074 and PVM081 model numbers.

PVM098/PVM106 Model Code Breakdown

Explains the meaning of each code position for PVM098 and PVM106 model numbers.

PVM131/PVM141 Model Code Breakdown

Explains the meaning of each code position for PVM131 and PVM141 model numbers.

General Information

Ordering Replacement Parts

Instructions for ordering replacement parts, including product number, date code, and part information.

Serial Number and Date Code Interpretation

Explains how to interpret the serial number and date code stamped on the pump's identification tag.

Disassembly, Inspection, and Reassembly

Specialized Tools for Disassembly

Lists specialized tools essential for specific disassembly and assembly tasks on the pump.

Disassembly Procedures

Disassembly Procedures (Continued)

Removing the Shaft

Procedure for removing the pump shaft, including safety warnings related to internal springs.

Rotating Group Removal

Guidance on removing the rotating group, with critical warnings about spring compression.

Inspection and Repair

Piston Shoe Assembly Tolerances

Specifies allowable end play and face dimensions for piston shoe assemblies.

Inspection and Repair (Continued)

Assembly Procedures

Attaching Control Sub-assembly to Swash Plate

Procedure for connecting the control sleeve/piston sub-assembly to the swash plate.

Assembly Procedures (Continued)

Installing Swash Plate and Rotating Group

Procedure for seating the swash plate and rotating group into the saddle bearings.

Testing and Troubleshooting

Pump Start-up Procedure

Detailed steps for initial pump start-up, including fluid filling, air bleeding, and running checks.

Troubleshooting Common Issues

A chart identifying common pump problems, their causes, and recommended solutions.

Assembly Torque Values

Torque Specifications for Plugs and Fasteners

Table detailing torque values for various plugs and fasteners used in pump assembly.

Torque Specifications by Pump Size

Provides torque ratings for specific parts across different PVM pump sizes.

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