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Allied Hy-Ram HR270 Safety, Operation And Maintenance Instructions

Hydraulic impact breaker
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Safety, Operation and Maintenance
Thoroughly read and understand the content of this manual before using the Allied Breaker. The safe and efficient
use of the Allied equipment depends upon proper installation, operation, maintenance and training.
Keep this manual in a convenient location so that it is easily accessible for future reference. Contact your Allied
Dealer or the Allied Customer Service Department for replacement manuals. Inquiries regarding the content of this
manual must include effective date shown on inside cover.
Hy-Ram
Hy-Ram
Hydraulic
Impact
Breaker
Model
HR270
HR290
SOM577202

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  • Page 1 Allied equipment depends upon proper installation, operation, maintenance and training. Keep this manual in a convenient location so that it is easily accessible for future reference. Contact your Allied Dealer or the Allied Customer Service Department for replacement manuals. Inquiries regarding the content of this manual must include effective date shown on inside cover.
  • Page 2 When changes become necessary, these will be noted in the table below. Specifications are based on published information at the time of publication. Allied Construction Products, LLC, reserves the right to change, edit, delete or modify the content of this document, including descriptions, illustrations and specifications without prior notification. For product or document updates go to www.alliedcp.com...

  • Page 3: Safety Information

    Signal Words Safety messages appear throughout this manual and “DANGER”, “WARNING” and “CAUTION” are signal on labels affixed to the Allied equipment. Read and words used to express severity of consequences understand the information communicated in safety should a hazard be encountered.
  • Page 4 Keep all safety labels clean. Words and illustrations Safety, Information and Identification Labels must be readable. Before operating this equipment, Information labels affixed to the Allied equipment replace damaged or missing labels. For replacement, include safety warnings, identification and refer to the appropriate Parts Manual for instructions important to operation and service.
  • Page 5 Risk of equipment damage if instructions are not followed. PRESSURE I.D. TAG - The oil supply hose is tagged for ease of identification. ALLIED LOGO – This decal is the Allied brand identifier and is a registered trademark of Allied Construction Products, LLC. HR230 MODEL –...

  • Page 6: Meaning Of Pictograms

    Meaning of Pictograms Personnel maintain a safe Pictograms are used to rapidly communicate distance from breaker information. For the purposes of this manual and labels affixed to the Allied equipment, pictograms are defined as follows: Fragments / debris becoming airborne ...

  • Page 7: Qualified Person

    Always follow procedures that promote safe Improper installation, operation or maintenance of conditions for workers and bystanders. The standard the Allied equipment could result in serious injury or safety precautions expected and required of those death. Only qualified operators may operate the working in construction shall include, but not limited Allied equipment.

  • Page 8: Operational Safety Program

    Allied equipment may not be used for any other account his own experience in using and maintaining purpose other than, for which it was intended. Use of equipment.

  • Page 9: Table Of Contents

    Allied Construction Products, LLC www.alliedcp.com Table of Contents Section Section Record of Document Revisions……………….… 4.0 Product Information…………………..…….….. Safety Information.…………………………………. 4.1 Description and Use……………………..…….. Safety Statements and Hazard Alerts……………… 4.2 Familiarization of Main Components………... Purpose of Safety Messages……….……………… 4.3 Principle of Operation……………………..…….

  • Page 10: Table Of Contents

    Allied Construction Products, LLC www.alliedcp.com Table of Contents - [cont’d] SECTION SECTION 10.3.2 Tools Needed to Install………….…………. 7.4.3 Front Head Inspection – Internal Parts……. 10.3 3 How to Install Tool………………….……... 7.4.4 Tool & Bushing - Measure Wear…………… 10.4 Tool Re-lubrication – Conventional Method 7.5 Piston Inspection……………………………..

  • Page 11: List Of Figures

    Allied Construction Products, LLC www.alliedcp.com Table of Contents - [cont’d] Section Figure Table 14.1 Specifications……………..………..…… 7-5 Measure Tool for Wear…………………..……. Table 14.2 & 3 Tightening Torque – Side Rods..… 7-6 Measure Bushing for Wear…………...………. Table 14.3 Tightening Torque – Mounting Bracket 7-7 Piston With Damage to Impact Face……….…...

  • Page 12: Introduction & Scope

    This manual has been prepared in support of the This manual is an integral part of this product. Keep it Allied equipment named in Table 1.1 and is intended in a convenient location so that it is easily accessible to assist the operator and maintenance personnel for future reference.
  • Page 13 Allied Construction Products, LLC www.alliedcp.com 1.0 Introduction and Scope – [cont'd] Ask for FORM CMHB-1004, Hydraulic Mounted Breakers. This publication is also available through Allied under part number 953076 (English). To order a copy, contact the Allied Customer Service Department. SOMM577202_14mar...

  • Page 14: Equipment Identification

    Copy the Model and Serial Number from the Equipment Identification Tag to the space provided below.  Indicate the date in which the Allied equipment was placed into service.  Fill out the Warranty Registration form and return to Allied Construction Products, LLC.

  • Page 15: Warranty Protection Summary

    Understand proper operating techniques for all repair parts and service. recommended applications.  The name and signature of the person  performing the service, maintenance or repair. Use the Allied attachment only if it is in sound operating condition. Take prompt action to rectify SOMM577202_14mar...

  • Page 16: Allied Product Policies

    3.3 Allied Product Policies In this manual, Allied recommends breaker applications, maintenance and service consistent with industry practices. Allied assumes no responsibility for the results of actions not recommended in this manual and specifically the results of:  Improper Training ...

  • Page 17: Product Information

    Allied Construction Products, LLC www.alliedcp.com 4.0 Product Information 4.3 Principle of Operation 4.1 Description and Use The Allied Breaker is a hydraulic powered impact breaker designed for mounting on mobile equipment with hydraulic booms, such as rubber tired or track- type construction vehicles.
  • Page 18 Allied Construction Products, LLC www.alliedcp.com 4.0 Product Information – [cont'd]  As the piston nears the top of its stroke, signal ports inside the cylinder become pressurized and shift the operating valve closed. Blocked from exiting the [OUT] port, the oil in the upper end of the cylinder becomes pressurized.

  • Page 19: Sizing The Breaker

    Allied breakers are assigned a recommended carrier Most machines will require some degree of weight range. On a general level, if the breaker falls conversion to make use of their hydraulic power.

  • Page 20: Auxiliary Conversion Circuit

    Requests for further information or assistance with breaker selection should be directed to your Allied dealer or by contacting the Allied Sales or Product / Technical Support Departments. SOMM577202_14mar...

  • Page 21: Operation

    Allied Construction Products, LLC www.alliedcp.com 6.0 Operation 6.1 Before the Breaker is Used 6.2 Proper Operation and Use CAUTION Before work can start, identify all site hazards, including electrical and gas utilities. Set up barriers. CAUTION Only qualified personnel shall operate the breaker.

  • Page 22: Operating (Cycle) Time - Max

    Allied Construction Products, LLC www.alliedcp.com 6.0 Operation – [cont’d] If the material does not break within 15 seconds of hammering, stop and reposition the tool nearer the edge. 90° 90° Fig 6-4 Begin at Outer Edge and Work Inward 6.3 Operating Mistakes to Avoid Fig.

  • Page 23: Do Not Pry With Breaker

    Allied Construction Products, LLC www.alliedcp.com 6.0 Operation – [cont’d] The operator must remain attentive to the sound The leading cause of tool breakage is from bending. emitted by the breaker. A metallic pinging sound is In the occurrence of tool failures from bending, the...

  • Page 24: Other Operating Mistakes To Avoid

    Fig 6-13 Breaker Is NOT Underwater Ready - high. Keep loads low to the ground when travelling. Modifications Are Required Working underwater requires special preparation, additional equipment and training. Further instructions should be directed to the Allied Technical Service Department. SOMM577202_14mar...

  • Page 25: Working Underground

    Allied Construction Products, LLC www.alliedcp.com 6.0 Operation – [cont’d] 6.4.2 Working Underground  Use of fire-resistant hydraulic fluids. Hydraulic When using the Breaker underground [tunneling or systems using fire-resistant fluids require special mining applications] special safety regulations may engineering consideration...

  • Page 26: Flow Adjustment

    Allied Construction Products, LLC www.alliedcp.com 6.0 Operation – [cont’d]  At temperatures below minus 4º F [-20º C], the hydraulic oil must be warmed up before starting the Breaker. Follow instructions provided by the carrier manufacturer for on warming up the carrier.

  • Page 27: Care And Maintenance

    Allied Construction Products, LLC www.alliedcp.com 7.0 Care and Maintenance 7.1 Preventative Maintenance Checks & Services Every 100 Hours or 2 Weeks All hydraulic breakers require regular inspection and Remove breaker tool from front head maintenance. The aim of inspection and maintenance ...

  • Page 28: Equipment Maintenance Log

    Allied Construction Products, LLC www.alliedcp.com 7.0 Care And Maintenance – [cont’d] With guide plates in good condition, the breaker has 7.2 Equipment Maintenance Log minimal movement inside the housing box. The The importance of frequent inspections along with operator must actively monitor for excessive regular maintenance and accurate record keeping movement.

  • Page 29: Front Head - Description Of Parts

    Allied Construction Products, LLC www.alliedcp.com 7.0 Care and Maintenance – [cont’d] 7.4.1 Front Head Inspection – Every 2 Hours Each part of the front head plays a critical role. The condition of these parts must be actively monitored for wear and replaced when needed.

  • Page 30: Measure Gap Between Tool & Bushing

    Wear cannot be prevented, but it can be minimized limit. through proper operating techniques and timely re- lubrication. Re-lubricate every two hours or sooner if grease is not visible. Allied Chisel paste is recommended. 7.4.5 Tool Retainer Inspection Inspect tool retainers each time the breaker tool is removed.

  • Page 31: High-Pressure Accumulator

    Several Complete disassembly of the breaker is required to factors, including the pre-charge pressure, will affect replace the piston. Contact your Allied service center. the function and reliability of the accumulator. Accurate charging to the proper pressure is important 7.6 Inspection of the High-Pressure Accumulator...

  • Page 32: Check Oil & Filter On Carrier

    Allied Construction Products, LLC www.alliedcp.com 7.0 Care and Maintenance – [cont’d] 7.10 Check Oil and Filter on Carrier CAUTION Some procedures, such as measuring CAUTION the oil pressure, must be done while Refer to the manuals provided by the the breaker is operating. This will carrier manufacturer for required service require an assistant.

  • Page 33: How To Measure Oil Pressure

    Allied Construction Products, LLC www.alliedcp.com 7.0 Care And Maintenance – [cont’d] WARNING  Start the breaker and record the oil pressure. It's Escaping fluid under pressure can cause normal for the needle of the gauge to pulsate. injury from injection. Always relieve...

  • Page 34: Safe Handling & Storage

    Allied Construction Products, LLC www.alliedcp.com 8.0 Safe Handling & Storage WARNING 3. Inspect the mounting pins and hardware for Falling or shifting loads may cause damage and integrity. injury or equipment damage. Do not lift the Breaker by the mounting pins or 4.

  • Page 35: Push Piston To Its Highest Position

    Allied Construction Products, LLC www.alliedcp.com 8.0 Safe Handling & Storage – [Cont’d] Fig 8-5 Protect Breaker with Waterproof Tarp Fig 8-3 Push Piston To Its Highest Position 4. Protect the lower end of the piston with grease IMPORTANT Exposure to moisture can cause destructive rust and pitting on piston.

  • Page 36: Breaker - Attach To /Remove From Carrier

    9.2 Mounting Kits avoid accidental or sudden movement of the Breaker. Keep hands and feet clear of A mounting bracket is required to attach the Allied crush points. Do not touch any moving Breaker to a carrier. Allied offers an array of parts.

  • Page 37: Supply Hose In And Return Hose Out

    Allied Construction Products, LLC www.alliedcp.com 9.0 Attach / Remove Breaker From Carrier – [cont’d] The machine operator and an assistant shall perform 9.5 Supply Hose [IN] and Return Hose [OUT] the following procedure: 1. Operator: Move carrier and Breaker to a firm level surface.

  • Page 38: Removal From Carrier

    Allied Construction Products, LLC www.alliedcp.com 9.0 Attach / Remove Breaker From Carrier – [cont’d] 2. Connect hoses to the shut-off valves located on the carrier. (Supply hose tagged "PRESSURE") CAUTION Some procedures, such as attaching the Breaker to and from the carrier, will require an assistant.
  • Page 39 Allied Construction Products, LLC www.alliedcp.com 9.0 Attach / Remove Breaker From Carrier – [cont’d]  PPE including Safety eyewear & gloves  Sledge Hammer  Drift pin  3/4 drive socket wrench  3/4 drive metric sockets  Grease gun ...

  • Page 40: Tool Removal And Installation

    Allied Construction Products, LLC www.alliedcp.com 10.0 Changing the Tool 10.1.1 Safety Precautions – Read First 10.1.2 Tools Required to Remove  PPE including safety eyewear and gloves CAUTION  Hammer - Hand sledge Follow all safety and operating  Drift pin instructions provided by the carrier ...

  • Page 41: Tool Removal

    Allied Construction Products, LLC www.alliedcp.com 10.0 Changing the Breaker Tool 2. Stop the engine and apply the parking brake. 10.1.4 How to Remove the Tool Enable the hydraulic interlock. Close shut off valves [Fig. 10-3]. 3. Remove (E) Snap Ring and (D) Rubber Plug.

  • Page 42: Tools Needed To Install

    Allied Construction Products, LLC www.alliedcp.com 10.0 Changing the Tool – [cont’d] 10.3.2 Tools Required to Install CAUTION  PPE including safety eyewear and gloves  Snap Ring Pliers  Hammer - Hand sledge If tool lubrication is provided by an automatic ...

  • Page 43: Avoid Costly Lubrication Mistakes

    Allied Construction Products, LLC www.alliedcp.com 10.0 Changing the Tool – [cont’d] Generally, tool re-lubrication is recommended every two hours. However, the operator must actively monitor the tool and grease must always visible. If not, shorten the time between re-lubrication. Excess lubrication ends up as waste.

  • Page 44: Tool Re-Lubrication - Automatic Systems

    10.5.1 Carrier Mounted Lubricator - CML Series Fig 10-12 Hammer Mounted AutoLube System Installation kits for both the CML-series and HML- series are available from Allied. These kits do not include Chisel paste. Order separately. 10.6 Benefits of Using Chisel Paste Allied Chisel Paste is a specialty lubricant made for use with all breakers.

  • Page 45: Tool Selection Guide

    [e.g. granite] and tough metamorphic rock. affected by many factors, including: 11.2 Working Length of Breaker Tool  Variations in operator technique Allied breaker tools are designed to provide  Maintenance exceptional quality and durability. Tools are made of ...

  • Page 46: Back Head & Accumulator Gas Charge

    Allied Construction Products, LLC www.alliedcp.com 12.0 Back Head and Accumulator Gas Charge 12.1 Back Head and Accumulator Gas Charge WARNING The Back Head contains nitrogen gas (N2) under pressure. The gas assists with the downward stroke Only qualified personnel, having of the piston during the power stroke phase of the knowledge of the machine’s systems,...

  • Page 47: Safety Precautions For Charging Back Head

    Allied Construction Products, LLC www.alliedcp.com 12.0 Back Head, Accumulator Charge – [cont’d]  12.2 Back Head N2 Charge – Safety Precautions Hex wrench  Read, understand and follow all instructions for the Torque Wrench safe and proper use of this tool. These instructions ...

  • Page 48: How To Pre-Charge The Back Head

    Allied Construction Products, LLC www.alliedcp.com 12.0 Back Head, Accumulator Charge – [cont’d] 8. Store charge tool in dry location 12.2.4 How to Pre-charge the Back Head 12.3 Accumulator N2 Gas Charge – Safety IMPORTANT Precautions Gas pressure is sensitive to temperature. Note that the charge pressure shown in technical data section of this manual is at 70...

  • Page 49: Tools Required For Charging Accumulator

    Allied Construction Products, LLC www.alliedcp.com 12.0 Back Head, Accumulator Charge – [cont’d] The following procedures are accomplished with the 3. *If +/- 5% of specification, no adjustment is use of the N2 charging unit, part number 575427, and necessary. If so, remove charge tool from a commercially available bottle of nitrogen.

  • Page 50: Troubleshooting Guide

    Only qualified personnel, having knowledge of the machine’s systems, proper test equipment and For conditions other than these, or if further tools should attempt adjustments and repairs. assistance is required, contact the Allied Technical Service Department. Condition Possible Cause Corrective Action...
  • Page 51 Allied Construction Products, LLC www.alliedcp.com 13.0 Troubleshooting Guide [cont’d] Condition Possible Cause Corrective Action Back head charge is low Fill back head to proper pressure Operating pressure too low Refer to section “Operating Pressure Too Low” Maintain right angle to work surface. Refer to Section Improper Breaker operation Check breaker tool is receiving sufficient lubrication.
  • Page 52 Allied Construction Products, LLC www.alliedcp.com 13.0 Troubleshooting Guide [cont’d] Condition Possible Cause Corrective Action Set to value listed in the specifications section of this Relief valve set too low manual Leakage in carrier’s hydraulic Test hydraulic components for malfunction or improper...
  • Page 53 Allied Chisel Paste is specifically formulated for this application. Store indoors. Coat with grease to protect from moisture. The Breaker is not self-powered. Its performance output of the carrier’s hydraulic circuit.

  • Page 54: Technical Information

     (values given in GPM / LPM) necessary for the Static Relief Pressure – Also referred to as “Full safe and efficient operation of the Allied Relief Pressure”. The pressure measured at the attachment. Flow parameters for attachments moment the relief valve has opened fully and all such as Breakers are represented by a minimum- oil is by-passed.

  • Page 55: Testing The Hydraulic Circuit

    Allied Construction Products, LLC www.alliedcp.com 14.0 Technical Information The hydraulic breaker is designed to perform 14.2 Testing the Hydraulic Circuit efficiently and reliably at the prescribed A performance evaluation of the carrier's hydraulic specifications. Performance is negatively impacted if circuit is important before the breaker is first used.
  • Page 56 Allied Construction Products, LLC www.alliedcp.com 14.0 Technical Information – [cont’d] Table 14.1 Technical Data HR270 HR290 Impact Rate Blows/min 500 - 1000 460 - 900 Oil Flow Range GPM [L/min] 10 – 18 [35 - 70] 12 – 23 [45 - 90]...

  • Page 57: General Dimensions - Hr270

    Allied Construction Products, LLC www.alliedcp.com 14.0 Technical Information – [cont’d] Fig. 14-2 General Dimensions HR270 Fig. 14-3 General Dimensions HR290 SOMM577202_14mar...

  • Page 58: Torque Locations

    Allied Construction Products, LLC www.alliedcp.com 14.0 Technical Information – [cont’d] Fig. 14-5 Each Flat = 60 Rotation. Fastener Fig 14-4 Fastener Location Tightening Sequence Table 14.2 A - Side Rod MPORTANT  Apply Moly-Paste 676927 to threads at assembly. Model A- Side Rod Torque ...

  • Page 59: Service Record

    Allied Construction Products, LLC www.alliedcp.com 15.0 Service Record Service Performed Date SOMM577202_14mar...
  • Page 60 SOMM57720214mar...

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Hy-ram hr290

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