Contents Table of Contents 1 Introduction .......................... 6 About these Safety and Operating Instructions.................... 6 2 Safety instructions........................ 7 Signal words................................ 7 Qualification ................................ 8 Intended use ................................ 8 Use other than intended ............................. 8 Protective equipment............................ 9 Carrier, precautions ............................ 9 Transport, precautions ............................ 9 Hydraulic installation, precautions ......................... 10 Media/consumables, precautions........................ 10 2.10 Explosion and fire, precautions........................ 11 2.11 Electrical shock, precautions .......................... 11...
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Contents Attaching the hydraulic attachment to the carrier .................. 20 5.4.1 Mechanical mounting aspects ......................... 20 5.4.2 Making the hydraulic connections ........................ 20 Removing the hydraulic attachment from the carrier.................. 22 5.5.1 Dismantling the hydraulic connections ...................... 22 5.5.2 Mechanical disassembly.......................... 22 Removing the adapter plate .......................... 22 6 Operation .......................... 23 Preparations before starting .......................... 23 Switching the hydraulic attachment on and off ..................... 24...
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Contents 7.11.2 Checking the blade seat .......................... 36 7.11.3 Checking cutter blades ............................ 36 7.11.4 Fitting cutter blades ............................ 36 7.12 Checking and correcting the blade clearance.................... 37 7.12.1 Checking the blade clearance ......................... 37 7.12.2 Correcting the blade clearance........................ 37 7.13 Bolt connections / Tightening torques ...................... 39 8 Troubleshooting........................ 40 Hydraulic concrete buster does not work ...................... 40 Shearing capacity too low.......................... 40...
1.1 About these Safety and 1 Introduction Operating Instructions Epiroc is a leading productivity partner for the mining, in- frastructure and natural resources industries. With cut- The aim of these Instructions is to familiarise you with ting-edge technology, Epiroc develops and produces in-...
Safety and operating instructions 2.1 Signal words 2 Safety instructions The signal words Danger, Warning, Caution, and Notice This is the safety alert symbol. It is used to alert are used as follows in these Safety and operating in- you to potential personal injury hazards. Obey structions: all safety messages that follow this symbol to avoid possible injury or death.
Safety and operating instructions 2.2 Qualification 2.3 Intended use Transporting the hydraulic attachment is only permitted Only attach the hydraulic concrete buster to a hydraulic if carried out by people who: carrier of a suitable load-bearing capacity. Read the car- rier manufacturer's Safety and Operating Instructions be- •...
Safety and operating instructions 2.8 Hydraulic installation, 2.9 Media/consumables, precautions precautions WARNING Hydraulic pressure too high WARNING Hot hydraulic oil under high pressure If the hydraulic pressure is too high, the parts of the hy- Hydraulic oil will squirt out under high pressure if there is draulic attachment will be exposed to excessively high a leakage.
Safety and operating instructions 2.10 Explosion and fire, 2.11 Electrical shock, precautions precautions DANGER Electrical shock Any contact of the hydraulic attachment with electric cir- DANGER Explosion and fire cuits or other sources of electricity will lead to an electric Explosions cause serious injury or death.
Silicosis is a chronic disease which may lead cancer and u Only use original parts or accessories approved by death. Epiroc. u Wear a suitable breathing mask. u Modifications that entail new hazards may require a new procedure for assessing conformity.
Safety and operating instructions 3.2 Function 3 Overview The operation of a hydraulic concrete buster is described in a simplified version below: 3.1 Equipment description Closing The illustration gives an overview of the main parts and The carrier driver operates the cutter valve, via a switch components of the hydraulic attachment.
Safety and operating instructions 3.3.1 Name plate 3.3.2 Labels A. Model B. Year of construction of hydraulic attachment C. Max. permissible operating pressure »Turn« D. Max. permissible operating pressure »Open / Close« E. Weight of hydraulic attachment Serial number G. Name and address of manufacturer H.
Check that the delivery is complete. Stripping out and reconstructing n Check the delivery for visual damage. interiors n If any defects are found, consult the Epiroc Customer Center / dealer in your area. 3.5 Guarantee The guarantee or product liability will be invalidated by the following: 3.7 Scope of delivery...
Safety and operating instructions 4.1 Transport using a crane 4 Transport n Secure the hydraulic attachment with ropes or chains WARNING Hoist tipping over / hydraulic attach- as shown in the following illustration. ment falling The hydraulic attachment is heavy. The hoist/lifting equipment and/or hydraulic attachment tipping over or falling may cause serious injury and material damage.
Safety and operating instructions 4.2 Transport using a forklift 4.3 Transport using a truck truck WARNING Hydraulic attachment tipping over / slipping WARNING Hydraulic attachment tipping over The hydraulic attachment slipping or tipping over and The hydraulic attachment tipping off the fork of the forklift falling from the loading area of a lorry may cause serious truck or the pallet may cause serious injury.
Before working with a hydraulic attachment mounted such fluids are possible. to a long reach boom consult the Epiroc Customer Our hydraulic attachments are basically designed for use Center / Dealer in your area.
Safety and operating instructions 5.2 Manufacturing the adapter 5.3 Installing the adapter plate plate NOTICE The adapter plate can come loose The adapter plate can come loose if the fastening Construction Tools GmbH also supplies base plates to screws are not designed for local high loads. manufacture adapter plates alternatively to the adapter u Only use the Allen screws of strength category 8.8 plates supplied.
The adapter plate must not be stopped by the mechani- Bores and surfaces can act like a pair of scissors and cal stops in either position. Consult the Epiroc Customer cut off or hurt parts of your body. Center / Dealer in your area if the adapter plate is u Never use your fingers to check bores or fitting sur- stopped by a mechanical stop.
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Safety and operating instructions n connect the hose connected to connection »B« tor- NOTICE Damage to hydraulic parts sion-free to the input line which has the higher oper- Polluted hydraulic lines and connections may enable ating pressure. sand, fragments of material and dirt to penetrate the hy- draulic attachment and damage the hydraulic parts.
Safety and operating instructions Tightening torque (see chapter Bolt connections / WARNING Injury by impacts Tightening torques). A sudden movement of the carrier may cause your as- sistant to be hit and injured by the boom or the hydraulic attachment. 5.5 Removing the hydraulic u Only move the boom very slowly and in a controlled attachment from the carrier...
Safety and operating instructions 6.1 Preparations before starting 6 Operation WARNING Falling carrier WARNING Hot hydraulic oil squirting out A carrier falling or tipping over due to the surface not be- The hydraulic system is under high pressure. If hydraulic ing level may cause serious injury and material damage.
Observe the hydraulic lines and whether the hy- manufacturer and/or the Epiroc Customer Center / draulic attachment works properly. Dealer in your area. n Switch the hydraulic attachment off immediately if oil...
Safety and operating instructions 6.4.3 Nipping out concrete elements 6.4 Correct operation n Nip concrete elements off at both sides. 6.4.1 Demolishing concrete ceilings or walls n Encompass the concrete ceilings and walls as far as possible with the hydraulic concrete buster. In high reinforced concrete structures n First break the concrete with the tip of tooth area.
Safety and operating instructions 6.4.4 High ambient temperature 6.5 Prohibited operation n Only use hydraulic oils of sufficient viscosity. In summer and in tropical climates, the minimum re- 6.5.1 Unsafe base quirement is a hydraulic oil of type HLP 68. WARNING Danger of tipping The carrier can topple over and cause injuries and dam- 6.4.5 Low ambient temperature age.
Safety and operating instructions 6.5.3 Working position 6.5.5 Cutting high-grade steels n Only cut reinforcement with a tensile strength WARNING Falling debris < 500 N/mm Large pieces of debris falling may cause injury and dam- Cutting high-grade steels with a tensile strength age.
Safety and operating instructions 6.5.7 Moving the carrier 6.5.9 Turning the hydraulic attachment n Never relocate the carrier sideways by placing the n Never turn the hydraulic attachment during breaking/ hydraulic attachment on the ground to lift the carrier. cutting. This would seriously damage the hydraulic attach- This would seriously damage the hydraulic attach- ment.
Safety and operating instructions 6.5.11 Pulling 6.5.13 Impacting/chopping n Never pull at girders, supports or walls with the hy- n Do not use the hydraulic attachment to impact or draulic attachment. chop to destroy material. This would damage the hydraulic attachment and the This would seriously damage the hydraulic attach- adapter plate.
Safety and operating instructions 6.5.15 Cylinder end positions 6.5.16 Use under water n Reposition the carrier to avoid working with the cylin- n Never use the hydraulic attachment under water. der in its end positions. This would seriously damage the hydraulic attach- Avoid operating the hydraulic attachment when the ment and may damage the whole hydraulic installa- carrier stick and bucket cylinder are in one of their...
Safety and operating instructions 7 Maintenance WARNING Unexpected movement Sudden movements of the carrier may cause serious in- The maintenance activities are carried out by the carrier jury. driver. u Secure the carrier such that it cannot move unex- pectedly. WARNING Hot hydraulic oil squirting out u Observe the carrier manufacturer’s instructions.
Check the pipe clamp receiver on the carrier. Check cutter jaws, cutter blades, and tips for wear. If necessary to reface cutter jaws, to turn or to replace cutter blades, to reface tips, consult your Epiroc contact person. Check fixing bolts at the cutter blades (visual check), if necessary tighten.
Safety and operating instructions shut-off valves or disconnect the quick-release cou- 7.2 Depressurising the hydraulic plings, so that no hydraulic oil can flow back from the system carrier. Even when you have switched off the carrier, a consider- able residual pressure can still be present in the hy- 7.3 Cleaning draulic system.
Safety and operating instructions n Only use cutter grease for lubrication. 7.4 Lubrication n Place the grease gun on the lubrication nipple (A) of the four point bearing. 7.4.1 Lubricate bolts n Inject 4 strokes of cutter grease per lubrication nipple. Lubrication interval: prior to every shift.
Safety and operating instructions 7.5 Checking the hydraulic 7.7 Checking hydraulic lines concrete buster and adapter plate n Secure the carrier such that it cannot move unexpect- edly. for cracks n Perform a visual inspection of all lines (pipes and n Secure the carrier such that it cannot move unexpect- hoses) from the pump to the hydraulic attachment edly.
Place the hydraulic concrete buster horizontal on the n If you notice damaged blade seats, please consult ground. your Epiroc contact person. WARNING Parts of the body or whole bodies may be sheared or crushed 7.11.3 Checking cutter blades...
Safety and operating instructions n Hold the hexagon nuts (D) with a box wrench to stop 7.12.2 Correcting the blade clearance them turning. Shims are required to correct the blade clearance. n Tighten the Allen screws (A) to the torque required These are not included in the hydraulic concrete buster (see chapter Bolt connections / Tightening scope of delivery.
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Safety and operating instructions n Disconnect the hydraulic supply to the hydraulic con- crete buster by shutting the shut-off valves of the lines »Open« (Connection »A«) and »Close« (Con- nection »B«) at the boom. n Secure the carrier such that it cannot move unexpect- edly.
Safety and operating instructions 7.13 Bolt connections / Tightening torques The bolt connections of hydraulic concrete busters are subjected to very high loads. Tighten any loose connections without exceeding the recommended tightening torques. Connection point Interval Type of spanner / size Tightening torque Adapter plate* (fixing bolts) daily...
A and B of existing installation permit hydraulic hammer operation. Operating pressure too low Check pump output and pressure re- Epiroc Customer Center / Dealer in lief valve and correct operating pres- your area sure 8.3 Hydraulic concrete buster does not cut...
Check oil level and top up oil Carrier driver or workshop Carrier pump delivery too high; a con- Check and correct motor speed of Epiroc Customer Center / Dealer in stant volume of oil is squirted out of carrier your area...
(see chapter Depressurising the hydraulic sys- u Depressurise the hydraulic system according to the tem). manufacturer's safety and operating instructions for n For technical support contact the Epiroc Customer the carrier. Center / Dealer in your area. WARNING Hot parts The hydraulic cylinder, hoses, pipes and fittings become 9.1 Sending in the hydraulic...
Safety and operating instructions 9.3 Hard facing the cutter jaws Depressurise the hydraulic system (see chapter Depressurising the hydraulic system). Check which sections of the cutter jaws are to be hard faced. Grind the worn out tip of tooth very well. Clean up the surface of hardface. Remove buffer material and crushed stone pieces.
Safety and operating instructions 10 Storage 10.1 Hydraulic concrete buster WARNING Falling hydraulic concrete buster The hydraulic concrete buster is heavy. If it topples over where it is stored, it may cause injury. u Store the hydraulic concrete buster horizontal on squared timbers or a pallet on a horizontal base.
Safety and operating instructions 11.2 Hydraulic hoses 11 Disposal n Drain the hydraulic oil from the hydraulic hoses and NOTICE Environmental damage due to consumables collect it. Hydraulic oil and cutter grease are environmentally harmful and must not penetrate the ground or enter the n Dispose of the hydraulic hoses in accordance with water table or water supplies.
Hole pattern (group) Weight apply to standard carriers only. Any variations must be agreed with Epiroc and / or the carrier manufacturer. hydraulic concrete buster including adapter plate of medium size. Please note that the working weight can be considerably higher, depending on the adapter plate.
Safety and operating instructions 13 EC Declaration of Conformity (EC Directive 2006/42/EC) We, Construction Tools GmbH, hereby declare that the machines listed below conform to the provisions of EC Directive 2006/42/EC (Machinery Directive), and the harmonised standards mentioned below. Hydraulic concrete buster CB 750 CB 950 Following harmonised standards were applied:...
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