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Safety and operating instructions

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© Construction Tools PC AB | 9800 1273 01 | 2020-04-03

Original Instructions

11.4 Flow diagrams for the correct operating pressure

The carrier’s oil flow can be restricted to achieve the right operating pressure. Restrictors can be ordered from the spare

parts list. The diagram shows oil flow at viscosity 32 cSt.

11.4.1 SB 702: 120-170 bar (1740-2466 psi)

80

85

90

95

100

105

110

115

120

b

a

r

120

170

160

150

140

130

Ø 7.0 mm

Ø 7.6 mm

Ø 8.4 mm

125

l/min

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Содержание SB 1102

Страница 1: ...SB 702 1102 Safety and operating instructions Hydraulic breakers Construction Tools PC AB 9800 1273 01 2020 04 03 Original Instructions ...

Страница 2: ......

Страница 3: ... Assembly or disassembly 8 2 5 Operation precautions 8 2 6 Maintenance precautions 9 2 7 Storage precautions 10 3 Overview 11 3 1 Design and function 11 3 2 Main parts 11 3 3 Labels 12 3 3 1 Data plate 12 3 3 2 Noise level label 12 3 3 3 Labels on the accumulator 12 3 4 Guarantee 12 4 Transport 13 4 1 Lifting the hydraulic breaker 13 4 2 Transport using a forklift 13 4 3 Transport using a lorry 13...

Страница 4: ... 22 7 4 2 Changing the lower bushing 22 7 5 Every year 23 8 Storage 23 9 Disposal 23 10 Troubleshooting 24 10 1 Hydraulic breaker does not start 24 10 2 Impact force too low 24 10 3 Oil leaks 24 10 4 Hydraulic breaker operates too slow 24 10 5 Operating temperature too high 25 11 Technical data 26 11 1 Machine data 26 11 2 Capacities 26 11 3 Noise declaration statement 27 11 4 Flow diagrams for th...

Страница 5: ...Contents Construction Tools PC AB 9800 1273 01 2020 04 03 Original Instructions 5 ...

Страница 6: ...of the machine Save all warnings and instructions for future reference 2 1 Safety signal words The safety signal words Danger Warning and Caution have the following meanings DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury WARNING Indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a hazard...

Страница 7: ...ive screen in front of the operator The hydraulic breaker must only be mounted on a carrier with sufficient load capacity Carriers without sufficient load capacity will not provide the required degree of stability and could even fall over during hydraulic breaker use causing injury and dam age 2 4 Installation precautions 2 4 1 Hydraulic system DANGER Compressed gas explosion hazard The integrated...

Страница 8: ...aked eye so do not rely on eye sight to determine if there is dust or fumes in the air To reduce the risk of exposure to dust and fumes do all of the following u Perform site specific risk assessment The risk as sessment should include dust and fumes created by the use of the machine and the potential for disturb ing existing dust u Use proper engineering controls to minimize the amount of dust an...

Страница 9: ...the hydraulic breaker when persons are present in the danger area u Press the working tool against the working surface before you start u Never operate unless the working tool is retained in the hydraulic breaker with a proper tool retainer WARNING Noise hazard High noise levels can cause permanent and disabling hearing loss and other problems such as tinnitus ring ing buzzing whistling or humming...

Страница 10: ...ent of the start and stop device dur ing maintenance or installation can cause serious in juries when the power source is connected u Never inspect clean install or remove the working tool while the power source is connected 2 7 Storage precautions WARNING Heavy hydraulic breaker and working tool The hydraulic breaker and the working tool are heavy equipment If the breaker or working tool topple o...

Страница 11: ...nds of demolition works No other use is permitted SB has a solid body which means that the breaker body is made in one piece The accumulator is integrated with the body The hydraulic breaker is operated from the driver s cab of the carrier using the carrier s hydraulic system The breaker frequency is controlled by the oil flow from the carrier Recommended working tools are listed in the spare part...

Страница 12: ...th the machine for more information F The EAC symbol means that the machine is EAC approved 3 3 2 Noise level label WA xxxdB The label indicates the guaranteed noise level corre sponding to EC directive 2000 14 EC See Technical data for accurate noise level 3 3 3 Labels on the accumulator Read through the overhaul instructions carefully before servicing or charging 2 N The accumulator must only be...

Страница 13: ...r on the carrier or operating it read the operation manual and safety in structions provided by the carrier manufacturer Follow all instructions The carrier must have the appropriate hydraulic system for operation of the breaker If the carrier is too large for the hydraulic breaker it may lead to broken working tools and increased wear See Technical data for choosing suitable carrier The safety eq...

Страница 14: ...re dismounting This is to reduce the risk of spilling oil NOTICE When the SB breaker is delivered it contains some mineral based hydraulic oil Before connecting to the carrier s hydraulic system check which type of hy draulic oil the carrier is using Mixing different types of hydraulic oil may destroy the lubrication quality which can lead to machine damage In order to protect the environment we r...

Страница 15: ...raulic breaker is on the left side when you are facing the accumulator If the pressure hose is on the other side of the boom you can cross the hoses or turn the hydraulic breaker 2 Carefully lower the stick of the boom into the adapter WARNING Moving parts can crush and cut u Never check bores or passages with hands or fin gers WARNING Injury by impacts A sudden movement of the carrier may cause y...

Страница 16: ...ressure is between B normally no adjustment is needed n If the carrier s oil flow is too low to retain an accept able operating pressure the restrictor in the breaker needs to be changed See flow diagrams in Techni cal data to choose the best restrictor for your appli cation Position the hydraulic breaker vertically towards solid bedrock or similar to adjust the pressure using a pres sure gauge 5 ...

Страница 17: ...1 Shut the carrier s engine off 2 Dismount the working tool use a lifting strap to re duce the risk of personal injury 3 Remove and check the lock buffer Change worn or damaged parts NOTICE The lock buffer in the tool retainer lock is made of plastic and can melt when operating in a hot environment If this occurs change the standard lock pin Find optional spring pin in the spare parts list 4 Clean...

Страница 18: ...st not use the hydraulic breaker as the oil quality becomes inadequate which severely shortens the life time of seals and O rings 6 1 2 Engine rpm Too high engine rpm only results in increased fuel con sumption and increased oil temperature Adapt the en gine rpm to the recommended value to give the correct operating oil flow 6 2 Operating 6 2 1 Risk area Before starting the hydraulic breaker make ...

Страница 19: ... feed pres sure is correct the hydraulic breaker is working at its best and the vibrations are at a minimum Also the wear on the bushing and inserted tool is kept to a minimum n Listen to the sound from the hydraulic breaker The sound changes if there is any bending between the working tool and bushing n Never run the breaker with the boom cylinders at their end positions It may cause damage to th...

Страница 20: ... The air pressure must be 1 5 2 bar 22 29 psi at the air inlet on the breaker and the air consumption can be found in Technical data Suitable air hose is a in hy draulic hose with JIC connection Contact your nearest authorised workshop for further instructions 6 2 4 Special applications NOTICE Always consult the Customer Center Dealer in your area in case of special applications tunnelling high th...

Страница 21: ...linder A 2 Lubricate the working tool s shank plentifully during all upward operations The bushing and the working tool must be lubricated so frequently that dirt cannot penetrate into the hydraulic breaker When the working tool is exposed to high pressure and high temperatures a standard type of grease will melt and run To avoid this always use Epiroc chisel paste 7 2 2 Automatic lubrication We r...

Страница 22: ...that the accumulator screws are properly tight ened The correct tightening torque is found in the spare parts list NOTICE The working tool must never be sharpened by forging Sharpening must only be performed by milling grinding or turning 7 4 1 Wear limits A mm in B mm in SB 702 108 4 25 102 4 0 SB 1102 123 4 84 117 4 61 7 4 2 Changing the lower bushing NOTICE The upper bushing and stop ring must ...

Страница 23: ... heavy equipment If the breaker or working tool topple over or fall down from where they are stored it can result in ma terial damage and personal injury u Store the hydraulic breaker and the working tool so that falling or rolling down is prevented If the hydraulic breaker is not used for a long time the following steps have to be considered to protect the hy draulic breaker from corrosion 1 Clea...

Страница 24: ...ure Customer Center Dealer in your area 10 2 Impact force too low Cause Remedy By Gas pressure too low whipping and pulsing hoses Check the gas pressure and fill the high pressure accumu lator Check the condition of the accumulator replace if neces sary Workshop Hydraulic oil pressure too low Check the pressure adjust as required Fit new pressure relief cartridges on carrier and breaker if necessa...

Страница 25: ... essary Check the oil flow Too high oil flow leads to a higher working pressure and temperature and that the oil flows over the pressure limiter Check the cooler function on the carrier See section Preparation before breaking Carrier driver Hydraulic oil pressure too low Check the pressure adjust as required Fit new pressure relief cartridges if necessary on carrier and breaker Check the installat...

Страница 26: ...05 4 13 120 4 72 Start up mode AutoStart AutoStart Hose inside diameter P mm in 25 1 25 1 Hose inside diameter T mm in 25 1 25 1 11 2 Capacities SB 702 SB 1102 Oil flow l min gpm 80 120 21 32 100 135 26 36 Impact rate bpm 600 1050 550 850 Operating pressure bar psi 120 170 1740 2465 130 180 1885 2610 Maximum hydraulic input power kW hp 34 45 6 40 54 3 Back pressure acceptance bar psi 20 290 20 290...

Страница 27: ...are suitable for comparison with the declared values of other tools tested in accordance with the same directive or stan dards These declared values are not adequate for use in risk assessments and values measured in individual work places may be higher The actual exposure values and risk of harm experienced by an individual user are unique and de pend upon the way the user works in what material ...

Страница 28: ...ect operating pressure The carrier s oil flow can be restricted to achieve the right operating pressure Restrictors can be ordered from the spare parts list The diagram shows oil flow at viscosity 32 cSt 11 4 1 SB 702 120 170 bar 1740 2466 psi 80 85 90 95 100 105 110 115 120 bar 120 170 160 150 140 130 Ø 7 0 mm Ø 7 6 mm Ø 8 4 mm 125 l min ...

Страница 29: ...tions Construction Tools PC AB 9800 1273 01 2020 04 03 Original Instructions 29 11 4 2 SB 1102 130 180 bar 1886 2611 psi 130 135 140 145 150 155 160 165 170 175 180 5 3 1 5 2 1 5 1 1 5 0 1 5 9 bar l min Ø 8 9 mm Ø 8 4 mm Ø 7 3 mm ...

Страница 30: ...elow conform to the provisions of EC Directive 2006 42 EC Machinery Directive and 2000 14 EC Noise Directive Hydraulic breaker Guaranteed sound power level dB A Measured sound power level dB A Pmax bar Weight kg SB 702 122 121 170 521 SB 1102 123 122 180 789 Technical Documentation authorised representative Olof Östensson Construction Tools PC AB Dragonvägen 2 Kalmar General Manager Jenny Heimerss...

Страница 31: ......

Страница 32: ...nstruction Tools PC AB 9800 1273 01 2020 04 03 Any unauthorized use or copying of the contents or any part thereof is prohibited This applies in particular to trademarks model denominations part numbers and drawings ...

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