Enerpac E-Pulse EP3204JB User Manual

L4278 Rev. B 07/19
E-Series
Electric Manual Valve Pumps
Instruction Sheet
To protect your warranty, use only ENERPAC hydraulic oil.
Models:
• EP3204JB
• EP3204JI
• EP3204JE
For use with single-acting
hydraulic cylinders and tools.
Models:
• EP3404JB
• EP3404JI
• EP3404JE
For use with double-acting
hydraulic cylinders and tools.
P
A
T
P
T
A B
Control Valve
P
A
T
P
T
A B
Control Valve
P
A
T
P
T
A B
Control Valve
Control Valve
P
A
T
P
T
A B
Control Valve
Control Valve

Enerpac E-Pulse EP3204JB Specifications

General

Brand	Enerpac
Model	E-Pulse EP3204JB
Category	Water Pump
Language	English

Summary

1.0 Safety

1.1 Important Safety Instructions

General safety precautions to avoid injury and damage.

1.2 General Hydraulic Safety Precautions

Safety precautions for hydraulic systems to prevent injury and damage.

1.3 Electrical Safety Guidelines

Safety guidelines for electrical components, power disconnection, and grounding.

1.4 Additional Safety Measures & Ratings

Safety for extension cords, additional precautions, IP ratings, and alert symbols.

2.0 Product Data

2.1 Specifications

Detailed technical specifications for pump models, performance, and power.

2.2 External Dimensions

Physical dimensions of the pump and its components.

2.3 Pump Performance Curves

Graphs showing oil flow versus pressure for different models.

3.0 Major Features and Components

Key Features and Components Diagram

Identification of major parts of the E-Series electric manual valve pumps.

4.0 Product Description

4.1 Introduction and Features

Overview of E-Series pumps, their design, and key features.

4.2 Conformance to Standards

Declarations of conformity to national and international standards.

4.3 Electromagnetic Compatibility (EMC)

Certification for EMC Emission and Immunity standards.

5.0 Preparation for Use

5.1 Receiving Instructions

Guidelines for inspecting the pump upon receipt and handling potential issues.

5.2 Hydraulic Connections

Procedures for making hydraulic connections, including tape application and port connection.

5.3 Hydraulic Reservoir and Breather

Information on checking oil level and the air breather/filter.

5.5 Power Requirements

Specifications for electrical power configurations.

6.0 Features and Controls

6.1 Carrying Handle & Ventilation

Information about the carrying handle and the pump's ventilation system.

6.3 Pendant Operation

Description of the remote control pendant, its LED indicator, and buttons.

6.4 Variable Speed Control

Explanation of the rotary knob for motor speed adjustment.

6.5 Constant Speed and Power Modes

Describes the pump's operating modes based on speed control settings.

6.6 3-Way, 2-Position Control Valve

Details on the control valve for EP3204J models.

6.7 4-Way, 3-Position Control Valve

Details on the control valve for EP3404J models.

7.0 Operation

7.1 Before Start-up

Checklist before operating the pump.

7.2 Pump Operating Positions

Guidelines on allowable pump orientations during operation.

7.3 Air Removal

Procedure for venting air from the hydraulic system.

7.4 Operating Precautions

Warnings and precautions during pump operation.

7.5 Operation - EP3204J Models

Step-by-step instructions for operating EP3204J models.

7.6 Operation - EP3404J Models

Step-by-step instructions for operating EP3404J models.

7.7 Supporting the Load

Critical safety procedures for supporting loads.

8.0 Relieving Hydraulic Pressure

9.0 Pressure Relief Valve Adjustment

10.0 Hydraulic System Maintenance

10.1 Hydraulic Oil Information

Recommended oil type and usage guidelines.

10.2 Checking the Oil Level

Procedures for checking the hydraulic oil level.

10.3 Adding Oil

Step-by-step guide for adding hydraulic oil.

10.4 Oil Change

Procedures for changing the hydraulic oil.

10.5 Pump Priming/Air Purging

Procedure for priming the pump after oil change or if run dry.

11.0 Cleaning and Inspection

12.0 Storage

13.0 Troubleshooting

14.0 Pump Fault Codes