RAMMER 255E Operator'S Manual Download Page 50 | Manualshive

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COPYRIGHT © 2020 SANDVIK MINING AND CONSTRUCTION OY

Page 50 - Maintenance

Changing the tool

255E

2. CHANGING THE TOOL

WEAR LIMITS AND LUBRICANTS FOR TOOL REMOVAL

Item

Wear limit

Tool diameter (worn out)

38 mm (1.50 in)

Item

Wear limit

Tool retaining pin diameter Z (worn
out)

20 mm (0.79 in)

Item

Lubricant

Tool and tool retaining pins

Tool grease

R0

3

0149

Z

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Summary of Contents for 255E

Page 1: ...Original instructions 8 20 OPERATOR S MANUAL OM255EENG 820 HYDRAULIC HAMMER RAMMER 255E...

Page 2: ...48 Inspection and maintenance by the operator 48 Inspection and maintenance by the dealer 49 Maintenance intervals in special applications 49 Other maintenance procedures 49 2 Changing the tool 50 We...

Page 3: ...Operation Page 3 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY 255E OPERATION...

Page 4: ...mmer j lleenmyyj lt si FR Adressez vous votre revendeur Rammer pour obtenir la version fran aise de ce manuel HR Hrvatsku verziju ovog priru nika zatra ite od zastupnika tvrtke Rammer HU Ez a k zik ny...

Page 5: ...d result in injury to you or others and could also cause damage to equipment See illustration 1 This symbol identifies a prohibited action or a hazardous location Failure to understand and obey this s...

Page 6: ...ler Improper operation lubrication or maintenance of this machine can be dangerous and could result in injury Do not operate this machine until you have read and understood the instructions in this ma...

Page 7: ...aintenance to your machinery please contact your local dealer Quick deliveries are ensured by exact orders Required information 1 Name of customer contact person 2 Order number when available 3 Delive...

Page 8: ...f this manual It is important to make correct reference to the serial number of the attachment when making repairs or ordering spare parts Identification of the serial number is the only proper means...

Page 9: ...system 3 2 REMOVAL FROM PACKAGE Remove all the steel belts from the package Open the package and remove all plastics covering the product Recycle all package materials steel plastic wood properly Chec...

Page 10: ...cedure you choose is safe for you and others Do not lift load over people No one shall be under the hoisted load Do not lift people and never ride the hoisted load Keep people clear from lift area Avo...

Page 11: ...CONSTRUCTION OY Product introduction 255E 3 4 MAIN PARTS The main parts of the hammer are shown below A Side plates B Mounting flange C Hammer mechanism D Hose connections E Grease nipple F Tool and t...

Page 12: ...and data privacy on page 66 Warning RD3 contains a SIM card to enable remote connections and an encased lithium metal battery Both items are regulated for air transport Consult your forwarder about a...

Page 13: ...t should be serviced immediately Follow the product s greasing instructions and avoid excessive greasing Be careful when handling storing and transporting oils Dispose of empty oil or grease container...

Page 14: ...e tool working method or operating technique not specifically recommended by manufacturer is used you must satisfy yourself that it is safe for you and others You should also ensure that the product w...

Page 15: ...tor s manual CARE AND ALERTNESS All the time you are working with the product take care and stay alert Always be alert for hazards The possibility of a serious or even fatal accident is increased when...

Page 16: ...they understand any hand signals you will be using Work sites can be noisy Do not rely only on spoken commands WORK SITE Work sites can be hazardous Inspect the site before working on it Check for pot...

Page 17: ...if the substance is poisonous The main danger with airborne pollutants comes from long term exposure where particles are inhaled but not removed from the lungs The disease is called silicosis asbesto...

Page 18: ...leave your shift The smallest particles of dust are the most harmful They may be so fine that you cannot see them Remember you MUST protect yourself and bystanders from the danger of breathing or inh...

Page 19: ...in operation creates a high noise level Always wear ear protection to prevent personal injury The safety label on the hammer is shown below NOISE HAZARD Continuous exposure to noise above 80 dB A will...

Page 20: ...er for instructions FIRE HAZARD Most hydraulic fluids are flammable and might ignite when contacting hot surface Avoid spilling hydraulic fluid to hot surfaces Working with the product on certain mate...

Page 21: ...first LIFTING EQUIPMENT You can be injured if you use faulty lifting equipment Make sure that lifting equipment is in good condition Make sure that the lifting equipment complies with all local regul...

Page 22: ...mmer or drifts to remove and fit metal pins such as bucket pins Always wear safety glasses LABELS ON THE PRODUCT Safety labels communicate the following four things The severity level of the risk that...

Page 23: ...could cause death or severe injury Read and follow the instructions in the operator s manual WARNING 169410_ENG 3 DUST HAZARD Breathing dust will cause death or severe injury Always wear approved res...

Page 24: ...aulic circuit the installation requires only suitable hoses and fittings If the carrier does not have suitable kit to run the attachment one must be built This may require installation including new p...

Page 25: ...s forced inside the material This method is most effective in soft layered or plastic low abrasive material The high impact rate of the small hammers makes them ideal for penetrative breaking Impact b...

Page 26: ...c rock into which the tool penetrates Concrete Trenching and benching Scaling Spade tool Frozen or compact ground Asphalt Compacting plate Ground compacting It is important to choose a tool which is s...

Page 27: ...times If the object moves or its surface breaks correct the angle immediately Keep the feed force and tool aligned Keep the tool shank well greased during operation Regular visual inspections during...

Page 28: ...ens the impact effect and produces heat Listen to the hammer s sound when you are using it If the sound becomes weaker and the impact less efficient the tool is misaligned with the material and or the...

Page 29: ...if you find sudden resistance under the tool When breaking hard or frozen ground use the benching method Start with clearing a small area from the edge Then continue by breaking material towards the...

Page 30: ...ion Operation 255E Do not use the hammer to sweep the ground of debris This may damage the hammer and the housing will wear out more quickly Do not use the hammer or hammer tools for lifting Lifting e...

Page 31: ...s the tool this generates a strong pressure wave that may damage the hammer Warning To avoid falling objects do not use the product to lift other products See Lifting instructions on page 9 1 Prepare...

Page 32: ...ject Do not pry the hammer with the boom Do not press too hard or too gently with the boom The force is correct when the tracks start to lift slightly from the ground 5 Place the tool against the obje...

Page 33: ...Operation 255E 6 Start the hammer 7 Stop the hammer quickly Do not allow the hammer to fall down and make idle strokes when an object breaks Frequent idle strokes have a deteriorating effect on the ha...

Page 34: ...e hoses Wait ten minutes for oil pressure to drop 3 Close hammer inlet and outlet lines If quick couplers are used disconnection automatically closes hammer lines If hammer line includes ball valves p...

Page 35: ...r some work other than normal breaking or demolition such as Tunneling Scaling Foundry cleaning Underwater operations Operations in extremely low or high temperatures Use of special hydraulic fluids H...

Page 36: ...d the machine is ready to be used whenever necessary 1 The storage area must be dry 2 The tool must be removed in hydraulic hammers 3 The lower end of the piston tool and tool bushings must be well pr...

Page 37: ...Lubrication Page 37 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY 255E LUBRICATION...

Page 38: ...at meets the following criteria No dropping point or very high over 250 C 480 F Maximum service temperature at least 150 C 300 F Minimum working temperature below lowest ambient temperature Additives...

Page 39: ...orking conditions This can be anything between two hours and daily depending on material rock concrete to be broken See Recommended greases on page 38 Insufficient greasing or improper grease may caus...

Page 40: ...K MINING AND CONSTRUCTION OY Page 40 Lubrication Hammer tool greasing 255E Do not fill the space between the piston and the tool with grease A lower piston seal failure can result and the hammer will...

Page 41: ...the temperature of the hydraulic oil exceeds 80 C 176 F an auxiliary oil cooler is needed The oil viscosity must be between 20 1000 cSt while the attachment is being used When the product is used cont...

Page 42: ...a way that the temperature of the hydraulic oil in continuous use is in the ideal area on the chart and the hydraulic system is used to best advantage Problems due to incorrect hydraulic oil viscosit...

Page 43: ...brication properties must be sufficient The corrosion resistance properties must be good enough Note Although a special oil could be used in the carrier always check its suitability with the hammer du...

Page 44: ...ties can be seen with the naked eye Impurities enter the hydraulic system During hydraulic oil changes and refilling When components are repaired or serviced When the hammer is being installed on the...

Page 45: ...pability of oil Oil overheats Oil quality deteriorates Electro chemical changes in hydraulic oil 5 Valves do not function properly Spools bind Rapid wear of parts Blocking of small holes Note Componen...

Page 46: ...COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY Page 46 Lubrication Carrier hydraulic oil 255E...

Page 47: ...Maintenance Page 47 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY 255E MAINTENANCE...

Page 48: ...bly 1 2 INSPECTION AND MAINTENANCE BY THE OPERATOR Note The time intervals given refer to the carrier hours while the attachment is installed EVERY TWO HOURS Grease the tool shank and the tool bushing...

Page 49: ...on about annual servicing During this maintenance you should do the following tasks Check all hydraulic connections Check that the hydraulic hoses do not rub against anything in any boom position Insp...

Page 50: ...anging the tool 255E 2 CHANGING THE TOOL WEAR LIMITS AND LUBRICANTS FOR TOOL REMOVAL Item Wear limit Tool diameter worn out 38 mm 1 50 in Item Wear limit Tool retaining pin diameter Z worn out 20 mm 0...

Page 51: ...uthorized scrap metal collection facility 1 Set the hammer on level ground 2 Make sure the carrier s transmission is in neutral and the parking brake is engaged 3 Stop the carrier engine 4 Remove plug...

Page 52: ...sary See Changing the tool on page 50 3 Measure the tool retaining pin diameter Z Replace it if necessary See Changing the tool on page 50 4 Check tool bushing for wear See Tool bushing on page 53 5 C...

Page 53: ...BUSHING 1 Remove tool Notice that tool bushing and tool are locked with same tool retaining pin Prevent tool bushing from dropping on ground when removing the tool 2 Remove tool bushing 3 Remove seal...

Page 54: ...Clean all parts carefully 2 Measure the bushing inner diameter marked Y Replace bushing if necessary See Tool bushing on page 53 3 Install seal 4 Lubricate the contact surfaces of the front head 5 In...

Page 55: ...n operating the hammer control valve check that the pressure line pulsates this indicates the hammer control valve is opening If the valve does not operate check the operating means mechanical connect...

Page 56: ...OPENS AT A LOW PRESSURE HAMMER OPERATING PRESSURE IS NOT REACHED Check the installation Check the relief valve operation Adjust the relief valve in hydraulic circuit Measure the high pressure in the h...

Page 57: ...E OPERATION Check the hammer control valve in the carrier 4 6 OIL OVERHEATS APPLICATION NOT CORRECT FOR HAMMER Refer to recommended use and to correct working methods See Daily operation on page 27 CO...

Page 58: ...If further assistance is required please prepare to answer the following questions before calling your dealer Model and serial number Working hours and service history RD3 report if available Carrier...

Page 59: ...Specifications Page 59 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY 255E SPECIFICATIONS...

Page 60: ...PP internal 1 2 Return line connection OUT BSPP internal 1 2 Pressure line size minimum inner diameter 12 mm 0 47 in Return line size minimum inner diameter 12 mm 0 47 in Optimum oil temperature 40 60...

Page 61: ...Specifications Page 61 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY Hammer specifications 255E 1 2 MAIN DIMENSIONS R040266 621 842 280 160 204 320 230 320 230 280 40 23...

Page 62: ...thicknesses Correct transport position of the hammer Most common hammering position in which the bucket cylinder is in the middle position Mechanical stops to protect the bucket cylinder when the hamm...

Page 63: ...RD3 TECHNICAL SPECIFICATIONS Item Specification Battery type Primary lithium built in encapsulated Temperature operating 20 85 C 4 185 F Temperature storage 40 85 C 40 185 F Antenna GPS Internal Ante...

Page 64: ...nt B BG353 380 mm 14 96 in 3 5 kg 8 lb 40 mm 1 57 in Spade parallel to boom C BG355 380 mm 14 96 in 3 5 kg 8 lb 100 mm 3 94 in Spade transverse to boom D BG356 380 mm 14 96 in 3 5 kg 8 lb 100 mm 3 94...

Page 65: ...le Radio Equipment Directive 2014 53 EU Electromagnetic Compatibility Directive 2014 30 EC And the following parts clauses of standards have been applied EN ISO 12100 Safety of machinery General princ...

Page 66: ...Product you consent and agree that Sandvik may generate collect record upload store analyse and process standard industry information and data relating to the activity and condition of the Product in...

Page 67: ...Page 67 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY...

Page 68: ...vik Mining and Construction Oy Breakers Lahti Taivalkatu 8 P O Box 165 FI 15101 Lahti Finland Phone Int 358 205 44 151 Telefax Int 358 205 44 150 www rammer com 18 32 14140 33 184 182 21 32 14140 27 1...

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