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Numa Champion RC210 Operator's Manual

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Champion RC210
OPERATIONS MANUAL
Care & Maintenance Instructions
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Do not discard this manual.
•
Keep manual readily available for reference during operation or when servicing product.
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Before operation and maintenance, read and comprehend operations manual content.
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Customer Service: 800.356.NUMA or 860.923.9551
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Email: numa@numahammers.com
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Website: www.numahammers.com
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Mailing Address: P.O. Box 348, Thompson, CT 06277 USA
Patents: 6,883,618 7,442,074 10,612,310 11,085,242 EP 3 803 032 B1 KR-101340351 EP-2029325
CN-101448608 BR-P10711711 AU2007254317 AU2007254317 WO2007/136658
© 2024 Numa Tool Company. All Rights Reserved.

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  • Page 1 Email: numa@numahammers.com • Website: www.numahammers.com • Mailing Address: P.O. Box 348, Thompson, CT 06277 USA Patents: 6,883,618 7,442,074 10,612,310 11,085,242 EP 3 803 032 B1 KR-101340351 EP-2029325 CN-101448608 BR-P10711711 AU2007254317 AU2007254317 WO2007/136658 © 2024 Numa Tool Company. All Rights Reserved.

  • Page 3: Table Of Contents

    General Assembly ................11 Feed Tube Assembly ..............11 Hammer Assembly .................12 Section III Parts Identification ............14 Champion RC210 Exploded View ........14 & 15 Part Number Reference ............14 & 15 Section IV Air Consumption Charts ..........16 Section V Lubrication ................17 Section VI Storage ................18...

  • Page 4: Limited Warranty

    If, during such warranty period, Buyer promptly notifies Numa in writing of any defect and establishes that the above warranty is not met, Numa shall either repair or replace the Product or credit the customer, as it deems necessary to meet the warranty.

  • Page 5: Section I Description

    GENERAL DESCRIPTION The Champion RC210 is a valveless, pneumatically operated reverse circulation drill designed to utilize Numa 21" to 26" (533 mm to 660 mm) diameter reverse circulation bits in a wide range of drilling applications. The Champion RC210 hammer design incorporates a hardened case and a large diameter collection tube.

  • Page 6: Functional Description

    FUNCTIONAL DESCRIPTION BACKHEAD The backhead connects the hammer to the drill rod. Backheads can be manufactured to be compatible with several reverse circulation drill rod designs. Please contact your distributor or regional salesperson for more information. Wrench flats are provided for disassembly.

  • Page 7: Feed Tube Compression Ring

    FEED TUBE COMPRESSION RING A feed tube compression ring sits between the feed tube and the feed tube housing and keeps the feed tube assembly tight. FEED TUBE The feed tube supplies the main air into the chambers located in the piston. It seats on a shoulder in the feed tube housing and is designed with a long bearing surface to maintain alignment in the feed tube housing.

  • Page 8: Chuck

    CHUCK The chuck threads into the bottom end of the case with a large cross section thread form. It has internal splines that transmit rotation to the bit through a set of delrin drive plates. CHUCK BUSHING The chuck bushing is a nylon insert located in the bottom end of the chuck to provide a bearing surface between the lower bit shank and the chuck.

  • Page 9: Section Ii Maintenance

    Maintenance should be performed in a clean environment. • CAUTION USE CAUTION WHEN HANDLING DOWN THE HOLE HAMMER PARTS. NUMA HAMMER PARTS ARE MANUFACTURED FROM HARDENED, HEAT TREATED MATERIALS. DROPPING OR STRIKING THESE PARTS MAY CAUSE SEVERE DAMAGE. STRIKING THE HAMMER PARTS WITH HAMMERS, CROWBARS OR LIKE INSTRUMENTS WILL VOID THE WARRANTY.
  • Page 10 Force Direction Required: Pulldown Visetongs 15,000 - 25,000 lbs. Petol No. VTDA120 (6,810 - 11,350 Kg.) Hammer stand and wrench combination, Blocking to structural steel, I-Beam, height of weld construction stand bracing to suit. Hammer Stand/Wrench Diagram Figure 2-1 CAUTION THE ACCEPTABLE CLAMPING AREAS START 8"...
  • Page 11 Remove the collection tube housing. The collection tube housing is equipped with two • 1/2" (13 mm) UNC tapped holes for lifting eyes to facilitate removal. • Using a screwdriver, pick the two o-rings from the inside diameters of the collection tube housing.

  • Page 12: Inspection

    INSPECTION All parts should be washed in a clean solvent before they are inspected and • reassembled. WARNING USE CLEANING FLUIDS THAT ARE NONFLAMMABLE AND AVOID BREATHING THE FLUID VAPORS. Handle all parts carefully, hardened parts may chip if dropped on a hard surface. •...
  • Page 13 BELLEVILLE WASHERS • Inspect the belleville washers for severe wear indications or cracks. Replace if necessary. • FEED TUBE ASSEMBLY Inspect all makeup surfaces for indentations or nicks caused by wear. • Remove all minor irregularities with emery cloth. • Replace if necessary.
  • Page 14 SNAP RING Inspect the snap rings for severe wear indications. • Replace if necessary. • CHUCK Inspect for cracks and burrs. • For continued use, the outside diameter should be larger than or the same as the outside • of the case or the same. Collar length should not be less than 5-1/4" (133 mm). CAUTION IF THE COLLAR LENGTH IS LESS THAN 5-1/4"...

  • Page 15: General Assembly

    GENERAL ASSEMBLY INSTRUCTIONS Assembly should be performed in a clean environment. • All parts should be cleaned thoroughly and wiped dry before assembly. • Oil all parts by hand using Rock Drill Oil (see table 5-1 on page 17) to insure easy as- •...

  • Page 16: Hammer Assembly

    DUE TO THE INTERNAL COMPRESSION SPRINGS, THE CHAMPION RC210 FULLY BACKHEAD CAN ONLY BE TIGHTENED WITH A POWER WRENCH ON THE RIG. CAUTION LIFTING THE CHAMPION RC210 HAMMER WITH THE THREAD JOINTS LOOSE MAY CAUSE DAMAGE TO THE THREADS. Champion RC210 Page 12 ®...
  • Page 17 LUBRICATING THE OUTSIDE DIAMETER OF THE COLLECTION TUBE PRIOR TO ASSEMBLY IS NECESSARY TO FACILITATE ASSEMBLY. CAUTION DUE TO CLOSE TOLERANCES BETWEEN THE CHAMPION RC210 INTERNAL PARTS AND THE CASE, NUMA CANNOT ACCEPT RESPONSIBILITY FOR DAMAGE CAUSED BY WELDING ON THE CASE OD. WELDING ON THE CASE CAN CREATE DISTORTION, CAUSE PREMATURE FAILURE AND VOID THE WARRANTY.

  • Page 18: Section Iii Parts Identification

    SECTION III PARTS IDENTIFICATION EXPLODED VIEW Case 010434 (1) Check Valve 009663 (1) Collection Tube 016577 (1) Check Valve Spring 009668 (1) Collection Tube Housing O-Ring 009672 (1) Bit Bearing Collection Tube O-Ring 005941 (1) 009622 (2) Collection Tube O-Ring 009622 (2) Collection Tube Housing 009664 (1)
  • Page 19 SECTION III PARTS IDENTIFICATION EXPLODED VIEW Feed Tube Assembly 009670 (1) Feed Tube Snap Ring 009674 (1) Feed Tube 009661 (1) Orifice O-Ring 009622(1) Feed Tube Compression Ring 009675 (1) Feed Tube O-Ring 009676 (2) Feed Tube Housing 009662 (1) Page 15 Champion RC210...

  • Page 20: Section Iv Air Consumption Charts

    INSTALLED * Operation Above 200 PSI (13.8 BAR) Is Not Recommended. NOTE Numa RC hammers utilize an orifice o-ring as a choke. Removal of the orifice o-ring allows additional air to pass through the hammer for hole cleaning/flushing purposes. Champion...

  • Page 21: Section V Lubrication

    The Champion RC210 hammer requires a continuous supply of the correct type of Rock Drill Oil. The Champion RC210 hammer consumes at least 16 quarts (15 litres) of Rock Drill Oil per hour in order to maintain adequate lubrication. When using Biodegradable Oils, you must increase the total amount by 25%.

  • Page 22: Section Vi Storage

    SECTION VI STORAGE When storing a Champion hammer, it is important to take the necessary steps in order to insure a smooth operation after restarting. When the hole is completed and the hammer is to be inactive for several weeks or longer the following steps should be followed: Each drill rod should be blown clear of all water.

  • Page 23: Restarting

    Lubricate all the internal parts with Rock Drill Oil. See table 5-1 on page 17 for • suitable Rock Drill Oils. Cap the backhead and chuck ends. • Store the hammer horizontally in a dry environment. • RESTARTING Before restarting the hammer after prolonged periods of inactivity, disassemble and inspect all internal hammer parts.

  • Page 24: Section Vii Button Bit Maintenance

    BUTTON BIT MAINTENANCE GENERAL Numa button bits are designed for fast penetration and long life. Keeping the carbide buttons sharp has a direct effect on both the penetration and the tool life. As the bit wears, flat spots develop on the carbide buttons. These flat spots increase stress on the buttons causing the bit to work harder, which may cause button failure.

  • Page 25: Section Viii Champion Rc210 Recommended Spares

    For Complete Hammer Assembly #010647 Table 8-1 NOTE Class 1 Represents a user of a Champion RC210 hammer that has readily available spare parts. Class 2 Represents a user of a Champion RC210 hammer that does not have readily available spare parts.
  • Page 26 NOTES Champion RC210 Page 22 ® 11/06/2024...
  • Page 27 NOTES Page 23 Champion RC210 11/06/2024 ®...

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