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Summary of Contents for Labounty MRX Series
- Page 1 MULTI-JAW DEMOLITION TOOL SAFETY, OPERATION & MAINTENANCE 520706 User Manual 5/2022 Ver. 12 LaBounty | 1538 Hwy 2 | Two Harbors, MN 55616 | 1-800-522-5059 | www.stanleyinfrastructure.com/brands/labounty...
- Page 2 LaBounty dealer. You may also download a PDF copy at www.stanleyinfrastructure.com. REGISTRATION FORM The Warranty Registration Form must be filled out by the dealer or customer and returned to LaBounty indicating the date the machine went into service. POSSIBLE VARIATIONS LaBounty cannot anticipate every possible circumstance that might involve a potential hazard, as the owner’s...
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Page 3: Table Of Contents
CONTENTS DECALS ......................7 ATTACHMENT DESCRIPTION ..............8 TERMS .......................8 INSTALLATION ..................9 Attach to Excavator ................................9 Hydraulic Installation ................................10 Adjust Rotation Flow ................................11 Jaw Installation & Removal ..............................12 Storing the Attachment ..............................23 OPERATION ....................24 Before You Start ..................................24 Safety Devices ..................................24 Technical Specifications ..............................25 Operation Temperatures and Conditions ........................26 Controls ....................................26 Jaw Set Functions ................................26... - Page 4 If a procedure, method, tool or part is not specifically recommended by machine. Keep clear at a minimum of 15 feet (5 LaBounty, determine whether it is safe for you and others, meters). •...
- Page 5 Ensure that the cab is equipped with the proper safety the cab. If it is necessary to work on an attachment guards for LaBounty applications. The cab MUST be off the ground, securely support the machine and equipped with an approved Falling Object Protection attachment.
- Page 6 severe burns. Wear adequate protective clothing and safety equipment. • DO NOT tamper with hydraulic lines or components while they are pressurized. Escaping fluid under pressure can penetrate the skin, causing serious injury. Keep hands and body away from pinholes and nozzles which eject fluids under high pressure.
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Page 7: Decals
DECALS Servicing while pressurized can cause sever injury LOCK OUT source and RELIEVE PRESSURE before servicing Top and front cab guarding required during any material processing application MRX Multi-kit Demolition Tool Operation & Maintenance Manual | 7... -
Page 8: Attachment Description
ATTACHMENT DESCRIPTION The MRX is the answer to most primary and secondary demolition applications. The interchangeable jaws’ designs facilitate improved penetration and rapid material downsizing. MRX is used to process concrete and certain metals, using the proper jaw set. Do not use MRX for high tensile steel, or other non-approved applications. Use in non- approved applications is considered misuse. -
Page 9: Installation
INSTALLATION ATTACH TO EXCAVATOR Use only approved rigging hardware rated for loads greater than the weight of the attachment. Lifting points are for moving the attachment only. Do not lift other objects or use the attachment in a cable- hung application. 1. -
Page 10: Hydraulic Installation
10. Remove the transport pin. HYDRAULIC INSTALLATION Model Jaw Cycle Circuit (Max) Rotation Circuit (Max) Connection Case Drain Attachment Rotation 31 GPM (120 LPM) 1 GPM (3.28 LPM) 3/16-16 UNF MRX70 -8 ORFS 4060 PSI (280 Bar) 2030 PSI (140 Bar) ORFS 47 GPM (180 LPM) 2.6 GPM (9.84 LPM) -
Page 11: Adjust Rotation Flow
5. Torque all hydraulic fittings to values shown in “Inspect / Torque Bolts” on page 28. Do not check for hydraulic leaks with your hands. Hydraulic oil could inject into the skin. Seek immediate medical attention if an injection injury occurs. 6. -
Page 12: Jaw Installation & Removal
• Turn the rotation flow control knob clockwise to decrease flow. MRX500 has a conical style flow adjustment. To adjust... 1. Loosen the jamb nut. 2. Turn the knurled knob to adjust the flow. Thread the knob towards the top to increase flow. Thread the knob towards the bottom to decrease flow. - Page 13 MODELS “MRX70” on page 13 “MRX100” on page 14 “MRX130” on page 16 “MRX180 - 750” on page 18 MRX70 1. Place the jaw horizontally on the ground. 2. Curl MRX under the excavator and position it so that it can be accessed from the ground. 3.
- Page 14 M12 BOLT & HARDWARE LOWER JAW PIN 7. Remove the upper mounting pin from the upper jaw mounting hole using a 10 mm Allen wrench. 8. Align the upper mounting hole with the MRX base upper mounting hole. Note: Move the MRX cylinder slowly and carefully. Do not allow the cylinder to hit the bumpers. 9.
- Page 15 PINS RETRACTED PINS EXTENDED 4. Curl MRX under the excavator and position it so that it can be accessed from the ground. 5. Hook the jaw mounting pin on the MRX base onto the jaw mounting hook. 6. Align the lower jaw mounting hole with the MRX base lower jaw mounting hole. 7.
- Page 16 10. Align the upper mounting hole with the MRX base upper mounting hole. Note: Move the MRX cylinder slowly and carefully. Do not allow the cylinder to hit the bumpers. 11. Insert the upper jaw mounting pin removed previously. Torque to 51 Ft. Lbs. (69 Nm). MRX130 1.
- Page 17 PINS RETRACTED PINS EXTENDED 4. Curl MRX under the excavator and position it so that it can be accessed from the ground. 5. Hook the jaw mounting pin on the MRX base onto the jaw mounting hook. 6. Align the lower jaw mounting hole with the MRX base lower jaw mounting hole. 7.
- Page 18 Note: Do not extend the cylinder into the lower jaw mounting hole until the face of the cylinder pin and the jaw slot are in alignment. Forcing the cylinder pin into the upper jaw slot may cause damage to the jaw. 11.
- Page 19 How the Hydraulic Lock Works CLOSE When the hydraulic lock is in the closed position, the jaw open / close controls in the excavator control the jaw cylinder, which makes the jaw open and close. OPEN When the hydraulic lock is in the open position, the jaw open / close controls in the excavator control the jaw locking wedges, which allow the jaws to be...
- Page 20 Installation Check Point (#1 of 4) Look at each jaw pin in each MRX body hook. Ensure each jaw pin makes full contact with the base of the body hook. A properly seated pin will have no space between the jaw pin and the base of the body hook. Do not continue until the pin is seated properly.
- Page 21 Jaw can become unhooked from the MRX base if locking screw is missing. Ensure the locking screw is in place and properly torqued. Jaws can fall and crush bystanders and damage equipment. Installation Check Point (#3 of 4) Ensure the hydraulic lock is set to the closed position and that the locking screw is inserted and properly torqued.
- Page 22 Cylinder fully engaged into the coupling 16. Place the hole of the locking plate on the cylinder adjustment nut so that the line in the locking plate aligns with the line on the nut. 17. Using the locking plate as a spanner, turn the cylinder adjustment nut until the bolt holes on the locking plate line up with the threaded holes in the jaw.
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Page 23: Storing The Attachment
Review all Installation Check Points □ Look at each jaw pin in each MRX body hook. Ensure each jaw pin makes full contact with the base of the body hook. A properly seated pin will have no space between the jaw pin and the base of the body hook. -
Page 24: Operation
• Ensure all decals are installed and legible. Contact • Maintain at least 50 feet (15 meters) between the LaBounty for replacements as required. attachment and any nearby power lines. • Have a DAILY safety dialog with all workers. Inform •... -
Page 25: Technical Specifications
• Use attachment rotation for positioning only. Do not • Before shearing thin material, ensure the blades are use if for bending, breaking or prying. sharp and properly adjusted. Thin material may jam • DO NOT use attachment as a jack hammer or the blades. -
Page 26: Operation Temperatures And Conditions
JAW SET FUNCTIONS Each MRX jaw set has a specific function and a maximum size of material that it can process. Do not use an MRX jaw for any other use besides these uses approved by LaBounty. Concrete Cracker & Pulverizer Jaw The concrete cracker jaw and the pulverizer jaw are designed to process concrete and rebar. -
Page 27: Bleed The Attachment Hydraulic Circuit
Concrete Cracker & Pulverizer Jaw Material Guide*** Model Concrete Rebar MRX70 6-10 inches 0.75 inches MRX100 10-14 inches 1 inches MRX130 14-18 inches 1.13 inches MRX180 18-22 inches 1.38 inches MRX220 22-26 inches 1.5 inches MRX260 26-30 inches 1.75 inches MRX360 28-32 inches 1.88 inches... - Page 28 2. Set the excavator at idle speed. 3. Slowly open the jaws until a noticeable change in tone of the excavator is heard, indicating a full cylinder. Release the controls and do not continue to apply full operating pressure to the cylinder. 4.
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Page 29: Maintenance
Visual Inspection _______Ensure the identification plate is present and legible. Replace if necessary. _______Inspect all tool decals and ensure they are legible. Replace if missing or illegible. Contact LaBounty customer MRX Multi-kit Demolition Tool Operation & Maintenance Manual | 29... -
Page 30: 40 Hour Inspection Checklist
service for replacements. _______Visually inspect the structure of the attachment for damage. If damage is found, do not use the attachment and repair immediately. _______Inspect all welds and ensure there are no cracks or damage. If damage is found, do not use the attachment and repair immediately. -
Page 31: Lubrication
LUBRICATION Recommended Grease Types Only use grease that is acid-free, does not contain resins, is not hygroscopic, resists aging and has a temperature range suitable for the application. After underwater use carefully clean the pins and bushings. Eliminate all trace of oxidation before lubricating again. - Page 32 MRX Rotation Grease Fittings Cracker Jaw Grease Fittings Pulverizer Jaw Grease Fittings 32 | MRX Multi-kit Demolition Tool Operation & Maintenance Manual...
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Page 33: Inspect / Torque Bolts
Shear Jaw Grease Fittings INSPECT / TORQUE BOLTS General Fastener Torque Table Size 8.8 - (8G) Class 10.9 Class 12.9 4 Ft. Lbs. (5.10 Nm) 4 Ft. Lbs. (5.98 Nm) 6 Ft. Lbs. (8.5 Nm) 8 Ft. Lbs. (10.2 Nm) 6 Ft. -
Page 34: Pulverizer Jaw
Stay at least 75 ft. (23 m) when moving. 1. Cycle the tool until the upper jaw blade begins to overlap the lower jaw blade. 2. Measure the blade gap. If the gap is larger than 0.4 mm, add shims between the guide blade and blade seat until the gap is 0.4 mm - 0.4 mm. -
Page 35: Shear Jaw
1. Remove the blade bolts and remove the blade from the blade seat. Note: Bolts may need to be removed by metal arc gouging. 2. Ensure the blade seat is clean. 3. Flip the blade or install a new blade. 4. - Page 36 1. Slowly close the jaws until the tip blade meets the cross blade. 2. Measure the gap between the tip blade and cross blade. This gap should never exceed 0.4 mm 3. If the gap is larger than 0.4 mm, remove the cross blade and insert shims until the gap is within 0.4 mm. 4.
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Page 37: Tooth Maintenance
Gas Metal Arc Welding - Metal Powder Cored Electrodes • E70C-6M • E80C-Ni1 Hardsurfacing Recommendations Hardsurfacing must be inspected and maintained. For hardsurfacing, LaBounty recommends; • FabTuf 960 or equivalent MRX Multi-kit Demolition Tool Operation & Maintenance Manual | 37... -
Page 38: Pulverizer Jaw
If you have questions about what hardsurface material to use, contact LaBounty Customer Service at 1-(800) 522- 5059. Guidelines • Connect the ground pole of the welder to the part to be welded, as close as possible to the welding area. The ground pole must be connected so that the current does not cross the hinges or the hydraulic cylinder. - Page 39 Wear plates SHEAR JAW Hard wear areas MRX Multi-kit Demolition Tool Operation & Maintenance Manual | 39...
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Page 40: Troubleshooting
Crushing power is lower than expected The cylinder gaskets are damaged Cylinder gaskets must be replaced. Contact LaBounty Customer Service. The rotating joint seals are damaged Rotating joint seals must be replaced. Contact LaBounty Customer Service. The dimensions or material type are... -
Page 41: Hydraulic Schematic
HYDRAULIC SCHEMATIC MRX HYDRAULIC SCHEMATIC MRX Hydraulic Schematic Key Item Item Machine system Rotating joint Speed multiplier valve Diverter Check valve Hydraulic actuator MRX Multi-kit Demolition Tool Operation & Maintenance Manual | 41... -
Page 42: Rotation Hydraulic Schematic
ROTATION HYDRAULIC SCHEMATIC Rotation Hydraulic Schematic Key Item Item Machine system Flow regulator Collector Anti-shock valve Hydraulic orbital motor HYDRAULIC TEST PORTS The MRX is equipped with hydraulic test ports that will allow you to measure cylinder pressure for troubleshooting purposes. - Page 43 4. Remove the plug from the test port and connect a gauge. Model Diagnostic Test Port Fittings Attachment Rotation MRX70 MRX100 MRX130 MRX180 MRX220 MRX260 1/4 In BSPP MRX360 MRX500 1/4 In BSPP MRX750 MRX Multi-kit Demolition Tool Operation & Maintenance Manual | 43...
- Page 44 Hydraulic Tools EC DECLARATION OF CONFORMITY EG KONFORMITATSERKLARUNG DECLARATION CE DE CONFORMITE DECLARATION CE DE CONFORMIDAD DICHIARAZIONE CE DI CONFORMITA Stanley Hydraulic Tools/LaBounty Wir: 1538 Highway 2, Two Harbors, MN 55616, USA Je soussigné: El abajo firmante: lo sottoscritto: hereby declare that the machine specified hereunder: bestätige hiermit, dassß...
- Page 45 Surname and First names hereby declare that the equipment specified hereunder: Excavator Mounted Multi-Jaw Processor Category: LaBounty / Stanley Make MRX 70, MRX 100, MRX 130, MRX 180, MRX 220, MRX 260, MRX 360, MRX 500, MRX 750 Type SN: XXXXXX...
- Page 47 MRX Multi-kit Demolition Tool Operation & Maintenance Manual | 47...
- Page 48 Additional copies of this manual are available by contacting your dealer or the LaBounty parts department, and requesting a CE Operation & Maintenance manual. You must include the attachment model number and serial number. LaBounty | 1538 Hwy 2 | Two Harbors, MN 55616 | 1-800-522-5059 | www.stanleyinfrastructure.com/brands/labounty...
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