Numa Champion RC160, Care & Maintenance Instructions

Page 1: ...N T E N A N C E I N S T R I N S T R I N S T R I N S T R I N S T R U C T I O N S U C T I O N S U C T I O N S U C T I O N S U C T I O N S 2015 Numa All Rights Reserved P O Box 348 646 Thompson Road Thom...

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Page 3: ...ring 3 14 Snap Ring 3 15 Bit Retaining Rings 3 16 Thrust Washers 3 17 Chuck 4 18 Chuck Bushing 4 19 Drive Plates 4 Section II Maintenance 5 Disassembly 5 Inspection 8 General Assembly 11 Feed Tube Ass...

Page 4: ...nty period all of Numa s obligations hereunder shall terminate LIMITATION OF LIABILITY Numa shall not be liable to Buyer whether in contract in tort including negligence and strict liability under any...

Page 5: ...rmance on the drill rigs that are most commonly used in large diameter drilling applications The Champion RC160 hammer is designed to operate using air pressure from 100 PSI to 200 PSI 6 9 Bar to 13 8...

Page 6: ...n under the check valve to keep it closed It is compressed as the air is turned on 5 COLLECTION TUBE The collection tube extends from the backhead to the bit and transfers the collected drill cuttings...

Page 7: ...esigned to contain the internal parts which make up the hammer assembly The case is hardened to resist wear and to extend life in abrasive conditions 13 BIT BEARING The bit bearing guides the top end...

Page 8: ...ation to the bit through a set of delrin drive plates 18 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 sha...

Page 9: ...ssembly of the hammer Prior to removal of the collection tube pressure wash the inside diameter of the collection tube to remove any cuttings or debris The collection tube is equipped with two 3 4 19...

Page 10: ...own With an adequate lifting device lift and support the hammer while unscrewing the chuck After setting the hammer down and while lifting and supporting the backhead unscrew and remove the backhead f...

Page 11: ...ts side so that the bit end is facing you Locate the seam in the chuck bushing Insert a screwdriver into the slot in the middle of the seam and pry the chuck bushing from the under cut Remove the chuc...

Page 12: ...Replace if necessary CHECK VALVE SEAT Inspect the outside diameters for nicks burrs and scoring Remove all minor irregularities with emery cloth Replace if necessary CHECK VALVE CHECK VALVE SPRING Ins...

Page 13: ...minor irregularities Cracked pistons should be replaced Wash the piston thoroughly inside and out to remove all emery dust Replace if necessary CASE Inspect the outside diameter for excessive wear or...

Page 14: ...AND THE BIT IS UNDER LOAD CONDITIONS CONTACT BETWEEN THE SHOULDER OF THE BIT RETAINING RINGS AND THE BOTTOM OF THE BIT RETAINING RING AREA ON THE BIT COULD CAUSE THE BIT TO FAIL IN THIS AREA Torsiona...

Page 15: ...he orifice o ring into the groove at the inside diameter of the feed tube Place the feed tube compression ring over the bottom end of the feed tube then slide it along the feed tube until it seats aga...

Page 16: ...ille washers in the counter bore of the feed tube assembly See the stacking diagram on page 14 for proper installation Install the collection tube housing o ring and the collection tube o ring in the...

Page 17: ...r thread the hammer down on the chuck threads until flush to the thrust washer With the hammer in a vertical position and the bit installed insert the collection tube NOTE THE COLLECTION TUBE SHOULD B...

Page 18: ...009617 1 Collection Tube O Ring 009624 1 Check Valve Seat O Ring 009621 1 Check Valve Seat 009615 1 Backhead O Ring 008158 1 Thrust Washer Brass 008152 1 Hammer Assembly 017397 Figure 3 1 Chuck Bushi...

Page 19: ...5 Champion RC160 FeedTubeAssembly 009627 1 Feed Tube Snap Ring 009625 1 FeedTube 009612 1 OrificeO Ring 009624 1 Feed Tube Compression Ring 009626 1 FeedTubeO Rings 009622 2 Feed Tube Housing 009613 1...

Page 20: ...SECTION IV AIR CONSUMPTION CHARTS CHAMPION RC160 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 clea...

Page 21: ...ir Tool Oil S2 A 320 Texaco Caltex Rock Drill Lube 100 Rock Drill Lube 320 Chevron Vistac 150 Vistac 320 Conoco Conoco 150 Conoco 320 Numa Bio Blend RDP 150 RDP 320 Table 5 1 Recommended Rock Drill Oi...

Page 22: ...minants from sticking to the connector ends SHORT TERM STORAGE When the Champion hammer will be stored for only a short period of time the following steps should be taken Blow the hammer clear of all...

Page 23: ...ontally in a dry environment RESTARTING Before restarting the hammer after prolonged periods of inactivity disassemble and inspect all internal hammer parts If any internal hammer parts have oxidized...

Page 24: ...tons will usually show the most wear and should be used to determine the frequency of bit sharpening When the flats on the gauge buttons become a maximum of 1 8 3 mm wide it is time to resharpen Refer...

Page 25: ...4 3 6 Collection Tube Housing 009617 0 1 Belleville Washers 009618 0 2 Feed Tube Assembly 009627 1 2 Feed Tube Snap Ring 009625 1 2 Feed Tube 009612 1 2 Orifice O Ring 009624 1 2 Feed Tube Compression...

Page 26: ...07 16 15 Page 22 MANUFACTURER OF DOWN HOLE HAMMERS AND BITS Champion RC160 NOTES...

Page 27: ...Page 23 MANUFACTURER OF DOWN HOLE HAMMERS AND BITS 07 16 15 Champion RC160 NOTES...