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Hammer CR 250 Instructions Manual

Hydraulic shear
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HYDRAULIC SHEAR
CR 250

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Summary of Contents for Hammer CR 250

  • Page 1 HYDRAULIC SHEAR CR 250...

  • Page 3: Table Of Contents

    INDEX DESCRIPTION OF THE ATTACHMENT _____________________________________________ 6 TECHNICAL SPECIFICATIONS __________________________________________________ 6 OPERATION - USES NOT PERMITTED - RESPONSIBILITY ______________________________ 7 MOVEMENT AND TRANSPORTATION OF THE ATTACHMENT __________________________ 14 ATTACHMENT INSTALLATION _________________________________________________ 14 ASSEMBLY AND DISASSEMBLY OF THE ATTACHMENT _______________________________ 16 START-UP AND USE OF THE ATTACHMENT _______________________________________ 16 CONNECTIONS SPECIFICATIONS: ______________________________________________ 17 MAINTENANCE AND REPAIR __________________________________________________ 18...
  • Page 4 The manual is an integral part of the machine and contains information on use, technical characteristics and instructions for handling, installation, assembly, adjustment and maintenance. HAMMER technicians are always at the customers disposal and can be contacted by telephone or email for any additional information required.
  • Page 5 DECLARATION HAMMER SRL THE UNDERISGNED Via Oleifici dell’Italia Meridionale (Manufacturer) Lotto G1 70056 Molfetta (Ba) – Italia DECLARES HEREWITH, ON ITS RESPONSABILITY, THAT THE HYDRAULIC SHEAR COMPLIES WITH THE FOLLOWING RULES: - (EC) DIRECTIVE 2006/42/CE - EUROPEAN RULES EN 474-1 EN 474-5 EN 12100...

  • Page 6: Description Of The Attachment

    WARNING: Before carrying out any operations on this product, read this instruction manual carefully. DESCRIPTION OF THE ATTACHMENT This shear able to perform both primary and secondary demolition. This interchangeable attachment is mounted on excavators designed for earth-moving vehicles. TECHNICAL SPECIFICATIONS 3150 ROTATION FLOW l/min...

  • Page 7: Operation - Uses Not Permitted - Responsibility

    OPERATION The machine is designed for CUTTING and RECOVERY of ferrous materials. The equipment can rotate to achieve the correct cutting angle. During operation the operator must stay on board the excavator, in the position recommended by the manufacturer. No-one must stand with in a 30 m (100 ft) range of the excavator when it is working. During installation and removal of the attachment, only the mechanic should be within 100 ft (30m) of the operation .
  • Page 8 USES NOT PERMITTED ATTENTION DO NOT SHEAR HIGH TENSILE STEEL SUCH AS RAILROAD RAIL, SPRING STEEL, AXLES,TOOL STEEL,CHROMES MATERIAL OR MACHINE PARTS. HARDENED MATERIAL BREAKS, CAUSING FLYING DEBRIS THAT COULD CAUSE INJURY OR DEATH. PROCESSING THESE MATERIALS ALSO CAUSES STRUCTURAL AND HYDRAULIC DAMAGE TO THE SHEAR AND 1.
  • Page 9 5 DO NOT PUSH AGAINST THE GROUND WITH THE MOBILE JAW TO CUT THE MATERIAL 6. DO NOT HIT THE MATERIAL WHILE WORKING 7. DO NOT BEGIN DEMOLITION WORK FROM LOWER PARTS OF A STRUCTURE AS THIS COULD CAUSE THE UPPER PART TO COLLAPSE. 8.
  • Page 10 RESPONSIBILITY Responsibility for the application of these safety guidelines lies with the individuals in charge of managing the activities listed below: -Transport and installation -Adjustments -Operation -Emergency situations -Maintenance -De-commissioning and demolition These individuals must ensure that all personnel are aware and apply the guidelines within this manual. Not following safety regulations and guidelines may cause injury and possible damage to the machine or its components.
  • Page 11 APPLICATION VALIDITY OF SAFETY REGULATIONS Never operate an excavator without safety guards installed. Safety glass and wire mesh cab guarding must be installed to protect the operator from flying debris that may be created during processing. Falling object protection structures (F.O.P.S.) are required for any application where material is to be handled overhead.
  • Page 12 Before the operation Warn all others in the area that you are about to start operation. Check underneath and around the machine for obstructions. Make sure there are no personnel and equipment in the movement and working area of the equipment. Check clearances in all directions, including overhead.
  • Page 13 Check the Equipment At the beginning of each shift, take the time to check the equipment and have all systems in good operational condition. Check the following: Ensure all warning decals, special instructions and operator’s manuals are legible and in their proper locations.

  • Page 14: Movement And Transportation Of The Attachment

    MOVEMENT AND TRANSPORTATION OF THE ATTACHMENT Please see the above description of the attachment in this manual for an indication of weights and sizes. Given the attachment 's weight and size, it must be moved and transported only by specifically trained personnel.
  • Page 15 POSITION AND MEANING OF STICKERS Some STICKERS are applied for the operator and maintainer. 1. ATTENTION: Check regular outflow of oil; 2. ATTENTION: Holes for the insertion of lifting hooks; 3. MAINTENANCE: Position of grease point; 4. ATTENTION: Danger of crushing, maintain a 30 m (100 ft.) range of the fitting position.

  • Page 16: Assembly And Disassembly Of The Attachment

    The installer, operator, and maintenance personnel must wear the appropriate safety devices specified by the safety regulations in effect in the country where the equipment is used. Hammer Srl denies any liability in the event of accidents if the installer, operator, and maintenance personnel fail to use the appropriate safety devices.

  • Page 17: Connections Specifications

    CONNECTIONS SPECIFICATIONS: With reference to the previous below: 1” Dimension A 3/8” Dimension B ROTATION FLOW 20/30 l/min ROTATION PRESS. 200/ OPEN/CLOSE l/min FLOW OPEN/CLOSE PRESS. opening – closing hydraulic rotation...

  • Page 18: Maintenance And Repair

    APPROPRIATE SAFETY DEVICES SPECIFIED BY THE PERTINENT SAFETY LEGISLATION IN EFFECT IN THE COUNTRY WHERE THE EQUIPMENT IS USED. ATTENTION: HAMMER SRL DENIES ALL LIABILITY IN THE EVENT OF ACCIDENTS IF THE INSTALLER, OPERATOR OR MAINTENANCE PERSONNEL FAIL TO USE THE APPROPRIATE SAFETY DEVICES.
  • Page 19 BLADE MAINTENANCE Blade and blade seat maintenance greatly affect performance. To maximize cutting performance and optimize the life of replaceable parts, follow this specific sequence of checks, adjustments and maintenance. 1- Piercing Blades - replace when edges are worn. 2- Upper and Lower Blades - rotate, shim to tolerance, and replace when all edges are worn. All four blades are identical on shears featuring dual guide blades.

  • Page 20: Piercing Blades

    PIERCING BLADES Piercing blade maintenance is crucial to productivity and safe operation of the shear. Improper blade gap may cause material jamming and/or blade breakage. Use the following procedure to check for wear. - Slowly close jaws until the piercing blades are flush with the top edge of the razor blade. - Check gap with a tape measure.
  • Page 21 PIERCING TIP Replacement Procedure 1- Remove piercing tip using an air-impact or breaker bar and multiplier. 2- Remove dust and debris from blade seats; wipe down with a rag and solvent. 3- Lightly file deformities from tooth seat edges. Do not sand or grind face of piercing tip seats.
  • Page 22 Loosen the bolts on one blade at a time, enough to loosen the blades. If blades remain tight, insert a drift pin into the through-hole on the lower jaw. Tap the drift pin with a hammer until the blade is loose. Carefully remove bolts and blades. Blade Rotation Rotate blades when the cutting edges are worn to a 3 mm (0.12”)radius.
  • Page 23 Blade Gap Measuring Procedure Slowly close jaws until blades begin to bypass. Stop the jaw and check the gap with a feeler gauge. Cycle the jaws slowly and continue checking the gap at several points along the entire length of the blades. Note: The gap will be consistent along the entire length of the blades if they have been rotated and shimmed correctly.

  • Page 24: Mobile Jaw Shimming Procedure

    MOBILE JAW SHIMMING PROCEDURE Before starting the procedure, clean the shear to remove dirt and grease. 1) Remove all guide pucks to allow for unrestricted motion. 2) Remove retaining bolts from collar (opposite side from the fixed jaw cutting edge). 3) Remove collar and shims.
  • Page 25 6) Remove top pin with grease nipple. 7) Measure the gap with a feeler gauge. (Gap is located between the spacer indicated in green and the frame of the shear indicated in grey). 8) Add/remove shims to compensate for the gap.
  • Page 26 9) Insert top pin with grease nipple. 10) Loosen off set screws, then lightly tighten them to hold them in place. 11) Insert and tighten 4 pin retaining bolts. 12) Replace collar and shims. 13) Insert collar retaining bolts and tighten. 14) Grease pin.

  • Page 27: Auto Guide

    AUTO GUIDE Use the following procedure to maintain the proper gap and shim the guide puck. • Slowly close the upper jaw until the guide puck is centered on the wear area. • Check the gap, using a feeler gauge or shims. •...

  • Page 28: Guide Puck Shimming Procedure

    GUIDE PUCK SHIMMING PROCEDURE 1) Remove collar retaining bolts. 2) Remove collar. 3) Remove two loose bolts from behind collar. 4) Flip collar 180 degrees and replace.
  • Page 29 5) Insert the two bolts that were behind the collar and lightly tighten. This pushes the collar against the pin and identifies the gap between the guide puck and the frame. Remove previous shims. 6) Measure the gap with a feeler gauge to choose the correct shims.
  • Page 30 9) Replace the bolts behind the collar. 10) Insert the collar in its original position. 11) Insert collar retaining bolts and tighten. 12) Grease the guide puck through its grease nipple. Note: Repeat steps for remaining guide pucks. Following the procedure, ensure that the mobile jaw moves freely up and down.

  • Page 31: Hard Facing

    HARD FACING HARD FACING MUST BE DONE EVERY 250 WORKING HOURS OR FOLLOWING APPLICATIONS WITH WEAR. MAKE A SINGLE PASS WITH A THICKNESS OF 2 / 2.5 mm. Characteristics of the thread: Ø 1.2 mm Hardness: 58-62 HRc Resistance to the temperature: 200°C DIN8555 MSG6-GZ-60 Werkst.N.1.4718 Execution and orientation of hard facings are as indicated and displayed below:...

  • Page 32: Greasing

    GREASING EVERY 4 HOURS OF OPERATION, GREASE POINTS B,C WITH 5/6 SQUEEZES OF THE GREASE GUN. MOVE AWAY FROM THE EQUIPMENT AND USE THE EXCAVATOR OPENING AND CLOSING CONTROLS TO CLOSE AND OPEN THE JAWS 3/4 TIMES, THEN GREASE AGAIN. EVERY 80 HOURS OF OPERATION, GREASE THE ROTATION MOVEMENT AT POINT A.

  • Page 33: Information Regarding Dismantlement

    INFORMATION REGARDING DISMANTLEMENT DEMOLITION OF THE MACHINE ATTENTION If you ever decide to scrap the machine, you are advised to render it inoperable by dismantling the various components. All the dismantling process must be carried out by specialized personnel. Every time the machine is moved around on the demolition site, a suitable means of transport must be used, with a carrying capacity greater than the weight of the machine.

  • Page 34: Hydraulic Schematic

    HYDRAULIC SCHEMATIC...
  • Page 35 TIGHTENING TORQUE OF SCREWS AND NUTS THE TIGHTENING TORQUE IN THE TABLE ARE VALID APPROXIMATELY FOR THE FOLLOWING CONDITIONS: Hexagonal- head screws (UNI 5737 type), cylindrical-head screws (UNI 5931 and UNI 6107 type). - The tightening torque must be applied slowly with dynamometric wrenches. - The diagram is based on a static coefficient of friction μ...

  • Page 36: Exploded View And Parts List

    CR 250...
  • Page 37 POS. DESCRIZIONE / DESCRIPTION TELAIO / FRAME SELLA / EXCAVATOR ADAPTER PLATE RALLA / BEARING DISC CILINDRO / CYLINDER KIT ROTAZIONE / ROTATION KIT GIUNTO IDRAULICO / HYDRAULIC JOINT RONDELLA / WASHER VITE / BOLT DADO AUTOBL. / SELF-LOCKING NUT VITE / BOLT RONDELLA / WASHER PROTEZIONE / PROTECTION...
  • Page 38 POS. DESCRIZIONE / DESCRIPTION KIT ROTAZIONE / ROTATION KIT MOTORE / MOTOR FLANGIA / FLANGE CUSCINETTO / BEARING INGRANAGGIO GEAR FLANGIA / FLANGE SPESSORE / THICKNESS SEEGER VITE / BOLT RONDELLA / WASHER VITE / BOLT RONDELLA / WASHER VITE / BOLT RONDELLA / WASHER...
  • Page 40 POS. DESCRIZIONE / DESCRIPTION GANASCIA / JAW BOCCOLA / BUSHING BOCCOLA / BUSHING BOCCOLA A PRESSARE / PRESSURE BUSHING SPESSORE / TICKNESS RASAMENTO / SPACER ANELLO DI REGISTRO / REGISTER RING VITE / BOLT TAGLIENTE / KNIFE SPINA / PEG DENTE / TOOTH VITE / BOLT VITE / BOLT...
  • Page 43 POS. DESCRIZIONE / DESCRIPTION BLOCCO VALVOLA / VALVE BLOCK VALVOLA / VALVE GUARNIZIONE / SEAL SEMIFLANGIA 90 / HALF-FLANGE 90 TUBO FLESSIBILE / FLEXIBLE HOSE VITE / BOLT RONDELLA / WASHER VITE / BOLT VITE / BOLT TUBO FLESSIBILE / FLEXIBLE HOSE GUARNIZIONE / SEAL GUARNIZIONE / SEAL SEMIFLANGIA / HALF-FLANGE...
  • Page 44 POS. DESCRIZIONE / DESCRIPTION TUBO / HOSE TUBO / HOSE RACCORDO / HOSE FITTING RACCORDO / HOSE FITTING RACCORDO / HOSE FITTING INGRASSATORE / GREASER...
  • Page 45 CYLINDER...
  • Page 46 POS. DESCRIZIONE / DESCRIPTION STELO / ROD CANNA / REED TESTATA / FRONT CLOSURE HEAD PISTONE / PISTON GRANO / WEAT BOCCOLA / BUSHING GUIDA PISTONE / PISTON GUIDE GUARNIZIONE / SEAL GUARNIZIONE / SEAL GUARNIZIONE / SEAL GUIDA STELO / ROD GUIDE GUARNIZIONE / SEAL GUARNIZIONE / SEAL GUARNIZIONE / SEAL...
  • Page 47 NOTE ...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
  • Page 48 The equipment is built in our tactory according to technological and satety criteria and tested before shipping. HAMMER guarantees equipment's tunctioning and quality according to law provisions for a 12 months period (maximum of 900 working hours). An improper use and a wrong maintenance which do not comply with the rules provided in this manual, as well as regulations or adjustments not approved by the manutacturer, void the warranty.

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