Epiroc HB 4100 User Manual

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HB

3100, 3100 DP, 3600, 3600 DP, 4100, 4100 DP, 4700, 4700 DP

Safety and operating instructions

Hydraulic breakers

© Construction Tools GmbH | 3390 5203 01 | 2019-08-06

Original Instructions

Table of Contents

Questions and Answers:

R
Ray ClarkAug 12, 2025
Why is my Epiroc HB 4100 Industrial Equipment hydraulic breaker operating too slowly?
- J
  Julie TurnerAug 12, 2025
  If your Epiroc Industrial Equipment hydraulic breaker is operating too slowly, the issue might stem from several factors. Begin by checking the engine speed and/or mode stage of the carrier, as well as the operating pressure, and make any necessary adjustments. Ensure that the connecting fitting in the pressure and tank line is securely tightened. Verify that the shut-off valve in the pressure and/or tank line is fully open. Inspect the oil filter and oil cooler for excessive flow resistance, cleaning or replacing them as needed. Lastly, confirm that the gas pressure in the piston accumulator isn't too high; if it is, release some gas.
J
Jason PittmanAug 18, 2025
How to fix low impact force on Epiroc Industrial Equipment?
- R
  robert55Aug 18, 2025
  To address a low impact force issue on your Epiroc Industrial Equipment, begin by checking the gas pressure. If the gas pressure is too low fill the piston accumulator. Also, check the pump of the hydraulic installation to ensure it delivers sufficient oil; if it doesn't, compare its characteristic with a measuring device to the original details and renew the pump if required.
K
Kyle ParkerAug 22, 2025
What to do if oil leaks from ports »P« und »T« in Epiroc HB 4100 Industrial Equipment?
- V
  vleachAug 22, 2025
  If oil is leaking from ports »P« and »T« on your Epiroc Industrial Equipment, check the cap nuts and tighten them. Also, if the hose connection CL to port »P« for ContiLube® II or the plug is loose and ContiLube® II has not been installed, check the cap nuts and plugs and tighten them.
L
luiskellerAug 28, 2025
Why is the impact rate too high and impact force too low in Epiroc HB 4100?
- C
  Charles AvilaAug 28, 2025
  If the impact rate is too high and the impact force is too low in your Epiroc Industrial Equipment, check the gas pressure and fill the piston accumulator, as there may be no gas in the piston accumulator.
T
traci53Sep 1, 2025
What to do if oil escapes between the cylinder cover and the cylinder of Epiroc HB 4100?
- J
  Jesse MurphySep 1, 2025
  If oil is escaping between the cylinder cover and the cylinder of your Epiroc Industrial Equipment, it could be due to loose tensioning bolts. Check the tensioning bolts and tighten them. Alternatively, the seals might be damaged, in which case you should replace them.

Epiroc HB 4100 Specifications

General

Brand	Epiroc
Model	HB 4100
Category	Industrial Equipment
Language	English

Summary

Safety Instructions

Safety Signal Word Definitions

Defines signal words like Danger, Warning, Caution, and Notice for hazard communication.

Operator Qualification and Responsibilities

Specifies the necessary qualifications for operating, transporting, and maintaining the attachment.

Proper Use and Prohibited Operations

Details the correct applications and lists prohibited uses to prevent damage or injury.

Mandatory Personal Protective Equipment

Lists mandatory PPE for safe operation and handling of the hydraulic breaker.

Hydraulic System Installation Safety

Safety measures for hydraulic system installation, pressure, and relief valves.

Accumulator Safety Precautions

Safety precautions for HP and Piston accumulators, focusing on explosion risks.

Explosion and Fire Hazard Prevention

Measures to prevent explosions and fires caused by sparks, gas, or dust.

Electrical Shock Hazard Prevention

Safety measures to prevent electrical shock from the attachment.

Falling Object and Fragment Hazard Safety

Precautions against injury from falling parts or material fragments.

Safety Guidelines for Repairs

Unauthorized Modifications and HP-Accumulator Safety

Hydraulic Breaker Overview

Safe Transport of the Hydraulic Breaker

Hydraulic Breaker Installation

Hydraulic Fluids and Consumables

Adapter Plate: Manufacturing and Installation

Attaching Breaker and Hydraulic Connections

Removing the Hydraulic Attachment

Working Tool Installation Procedure

Working Tool Removal Procedure

Hydraulic Breaker Operation

Initial Operation and Post-Storage

Correct Operation Techniques

Prohibited Operations and Practices

Lists operations that must be avoided to prevent damage or injury.

Preventing Blank Firing and Cylinder Damage

Hydraulic Breaker Maintenance

Scheduled Maintenance Tasks

Safely Depressurizing Hydraulic System

Detailed, step-by-step instructions for safely depressurizing the hydraulic system.

Bolt and Working Tool Integrity Checks

Piston Accumulator Pressure Management

Procedures for checking, releasing, and filling the piston accumulator pressure.

HP-Accumulator Safety and Visual Checks

Safety regulations and visual inspection procedures for HP-accumulators.

HP-Accumulator Screw and Gas Pressure Checks

Checks for HP-accumulator screws and the procedure for verifying gas pressure.

Bolt Connections and Torque Specifications

Hydraulic Breaker Troubleshooting

Troubleshooting: Breaker Not Starting

Lists common causes and remedies when the hydraulic breaker does not start.

Troubleshooting: Slow Breaker Operation

Identifies causes and solutions for the hydraulic breaker operating too slowly.

Troubleshooting: Low Impact Force

Causes and remedies for insufficient impact force from the breaker.

Troubleshooting: High Rate, Low Force

Troubleshooting for situations with high impact rates but low impact force.

Troubleshooting: Oil Leaks from Ports and Connections

Troubleshooting oil leaks from specific ports, connections, and installation parts.

Troubleshooting: Oil Escapes from Tool and Accumulator

Diagnosing and fixing oil leaks from the working tool and HP-accumulator.

Troubleshooting: ContiLube II Leaks and Overheating

Causes and remedies for oil/grease leaks from ContiLube II and high operating temperatures.

Troubleshooting: Pressure Line Flailing

Troubleshooting for violent flailing of the pressure line, often related to HP-accumulator issues.

Repair and Service Information

Sending Attachment for Professional Repair

Hydraulic Breaker Storage Instructions

Technical Specifications: HB 3100/3600 Series

Technical Specifications: HB 4100/4700 Series

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