Numa Champion 330 Care & Maintenance Instructions Download Page 1

Page: 1 / 26

MANUF

ACTURER OF DOWN HOLE HAMMERS

AND BITS

Champion

®®®®®

330

CARE & MAINTENANCE

INSTR

UCTIONS

P.O. Box 348

•••••

646 Thompson Road

•••••

Thompson, CT 06277 USA

US Toll Free: (800) 356-NUMA

•••••

Tel: (860) 923-9551

•••••

Fax: (860) 923-2617

E-mail: [email protected]

Website: www.numahammers.com

Patents 4,530,408 4,919,221 4,962,822 5,205,363 5,984,021 5,992,537 6,021,856 7,422,074

Summary of Contents for Champion 330

Page 1: ...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 2017 Numa All Rights Reserved P O Box 348 646 Thompson Road Thomp...

Page 2: ......

Page 3: ...15 Snap Ring 3 16 Bit Retaining Rings 3 17 Thrust Washers 4 18 Chuck 4 19 Chuck Bushing 4 20 Drive Plates 4 Section II Maintenance 5 Disassembly 5 Inspection 8 General Assembly 10 Feed Tube Assembly...

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: ...y be required When drilling conditions require supplementary hole cleaning additional hole cleaning air can be passed through the hammer by utilizing an interchangeable choke All standard hammers ship...

Page 6: ...e check valve maintains pressure in the hammer when the air supply has been shut off The check valve in the hammer balances the hydrostatic pressure in the hole thereby preventing contaminants from en...

Page 7: ...functions as the only moving part in the hammer controlling the operational air cycle The percussive action of the piston striking the bit transfers the energy through the bit in order to fracture roc...

Page 8: ...ross section thread form It has internal splines that transmit rotation to the bit through a set of delrin drive plates Wrench flats are provided for disassembly 19 CHUCK BUSHING The chuck bushing is...

Page 9: ...steel rod 3 to 5 feet 1 m to 1 5 m long snap ring pliers a drift pin and several different sized screwdrivers Clean the outside of the hammer This will insure a good surface to clamp on Using an overh...

Page 10: ...ng and supporting the backhead unscrew and remove the backhead from the case Remove the backhead o ring and thrust washer from the backhead Remove the belleville washers from the top of the feed tube...

Page 11: ...rust or corrosion may make it difficult to move and a penetrating oil can be used to help with removing the bit bearing from the case Disassembly of the feed tube assembly is not necessary for routin...

Page 12: ...LVE The check valve should be smooth and free from abrasions Replace if necessary Replace the check valve spring if it is worn or broken FEED TUBE ASSEMBLY Inspect the outside diameters for nicks burr...

Page 13: ...ery cloth Clearance between the bit shank and bit bearing should not exceed 048 1 22 mm Replace if necessary SNAP RINGS Inspect the snap rings for severe wear indications Replace if necessary CHUCK In...

Page 14: ...using With the smaller diameter of the choke toward the collar end of the feed tube bore slide the choke all the way to the pressing diameter Using a long drift pin tap the choke into the pressing dia...

Page 15: ...ot be forced into the case Install the chuck bushing in the chuck With the bit face down place the chuck over the top of the bit Align the splines and lower the chuck completely onto the bit Rotate th...

Page 16: ...SE MAY CAUSE DAMAGE TO THE THREADS Lifting and supporting the entire unit place the bit retaining rings with the o ring installed on top of the chuck Place the thrust washer on the shoulder of the chu...

Page 17: ...ing 008973 1 Check Valve Housing 008971 1 Thrust Washer 008925 1 Belleville Washers 008921 2 See Exploded View Figure 3 2 Page 14 Piston 008985 1 HAMMER ASSEMBLY 015064 Figure 3 1 Case 015065 1 Bit Be...

Page 18: ...ed Tube Retainer O Ring 009222 2 Feed Tube Retainer 016417 1 Feed Tube Assembly 008981 1 Choke Blank 007593 1 Feed Tube 008968 1 Feed Tube Compession Ring 008975 1 Feed Tube O Ring 008979 2 Feed Tube...

Page 19: ...Champion 330 MANUFACTURER OF DOWN HOLE HAMMERS AND BITS Page 15 05 12 17 SECTION IV AIR CONSUMPTION CHARTS CHAMPION 330...

Page 20: ...r 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 Oil...

Page 21: ...vent foreign contaminants 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 ha...

Page 22: ...e the hammer horizontally 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 pa...

Page 23: ...ns 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 t...

Page 24: ...tainer O Ring 009222 2 4 Feed Tube Assembly 008981 1 2 Choke Blank 007593 0 1 Feed Tube 008968 1 2 Feed Tube Compression Ring 008975 1 2 Feed Tube O Ring 008979 2 4 Feed Tube Housing 008986 0 1 Piston...

Page 25: ...Champion 330 MANUFACTURER OF DOWN HOLE HAMMERS AND BITS Page 21 05 12 17 NOTES...

Page 26: ...Page 22 Champion 330 MANUFACTURER OF DOWN HOLE HAMMERS AND BITS 05 12 17 NOTES...

Search results

Summary of Contents for Champion 330

Reviews:

Brands by name

Popular brands

Numa Champion 330, Care & Maintenance Instructions

Search results

Summary of Contents for Champion 330

Reviews:

Brands by name

Popular brands