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Page 14

04/21/20

Champion

RC300

SECTION III

PARTS IDENTIFICATION

EXPLODED VIEW

HAMMER ASSEMBLY #019083

Figure 3-1

Case

015065 (1)

Bit Bearing

008909 (1)

Snap Ring

008911 (1)

Bit Retaining Rings

008910 (1)

Bit Retaining Rings

O-Ring

008913 (2)

Thrust Washer -

Brass

008925 (2)

Chuck

008904 (1)

Chuck Bushing

008908 (1)

Check Valve

008915 (1)

Check Valve Spring

008916 (1)

Collection Tube Housing

O-Ring

008918 (1)

Collection Tube O-Ring

008919 (2)

Collection Tube Housing

008917 (1)

Belleville Washer

008921 (2)

See Exploded View

Figure 3-2

Page 15

Piston

008906 (1)

Collection Tube

018573 (1)

Collection Tube O-Ring

008919 (2)

Connector Pin

013613 (2)

Connector Pin O-Ring

005895 (4)

Backhead

008907 (1)

Backhead O-Ring

008913 (2)

Thrust Washer - Brass

008925 (2)

Check Valve Seat

0089147 (1)

Check Valve Seat

O-Ring

008926 (1)

Exploded View of

Belleville Washers

Correct Stacking

Содержание Champion RC300

Страница 1: ...646 Thompson Road Thompson CT 06277 USA US Toll Free 800 356 NUMA Tel 860 923 9551 Fax 860 923 2617 E mail numa numahammers com Website www numahammers com Patents 4 530 408 4 919 221 4 962 822 5 205...

Страница 2: ......

Страница 3: ...Ring 3 16 Bit Retaining Rings 4 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 11 Feed Tube Assembly 11 Hammer...

Страница 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...

Страница 5: ...e most commonly used in large diameter drilling applications The Champion RC300 hammer is designed to operate using air pressure from 100 PSI to 200 PSI 6 9 Bar to 13 8 Bar with compressors having 300...

Страница 6: ...een shut off The check valve in the hammer balances the hydrostatic pressure in the hole thereby preventing contaminants from entering the hammer 5 CHECK VALVE SPRING The check valve spring provides t...

Страница 7: ...ousing and is designed with a long bearing surface to maintain alignment in the feed tube housing 12 PISTON The piston functions as the only moving part in the hammer controlling the operational air c...

Страница 8: ...he case and one between the chuck and the case provide for easy disassembly 18 CHUCK The chuck threads into the bottom end of the case with a large cross section thread form It has internal splines th...

Страница 9: ...equipped with two 1 2 UNC threads for lifting eyes The collection tube can be replaced without disassembly of the hammer Prior to removal of the collection tube pressure wash the inside diameter of th...

Страница 10: ...e or lift truck move the hammer into an upright position with the chuck end down Withanadequateliftingdevice liftandsupportthehammerwhileunscrewingthe chuck After setting the hammer down and while lif...

Страница 11: ...its 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 chu...

Страница 12: ...ECK 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 Inspect the outside diamet...

Страница 13: ...y cloth Replace if necessary PISTON Inspect the striking face inside and outside diameters for nicks scoring and cracks Polish the piston with emery cloth to remove all minor irregularities Cracked pi...

Страница 14: ...regularities with a file or emery cloth Replace if necessary THRUST WASHERS Inspect for damage such as cracks and deformations Replace if necessary CHUCK Inspect for cracks and burrs For continued use...

Страница 15: ...ube then slide it along the feed tube until it seats against the feed tube collar Position the piston vertically Place the smallest outside diameter of the feed tube housing on the piston so that the...

Страница 16: ...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 I D of the collection tube housing Install t...

Страница 17: ...thread shoulder Thread the chuck into the case and hand tighten The chuck should sit flat against the end of the case With the hammer in a vertical position and the bit installed insert the collectio...

Страница 18: ...915 1 Check Valve Spring 008916 1 Collection Tube Housing O Ring 008918 1 Collection Tube O Ring 008919 2 Collection Tube Housing 008917 1 Belleville Washer 008921 2 See Exploded View Figure 3 2 Page...

Страница 19: ...N III PARTS IDENTIFICATION EXPLODED VIEW Feed Tube Snap Ring 008928 1 Feed Tube 008929 1 Orifice O Ring 008919 3 Feed Tube Compression Ring 008930 1 Feed Tube O Ring 008931 2 Feed Tube Housing 008912...

Страница 20: ...FM L SEC DRILL PRESSURE BAR 6 9 10 3 13 6 17 2 DRILL PRESSURE PSI 100 150 200 250 1 2 ORIFICE O RING ORIFICE O RING INSTALLED 1 REMOVED 2 Operation Above 250 PSI 17 BAR Is Not Recommended NOTE Numa RC...

Страница 21: ...exaco 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 CAUTION ROCK DRILL O...

Страница 22: ...gn 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 hammer clear...

Страница 23: ...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 use an emery clo...

Страница 24: ...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 to figure 7 1 SHARPEN...

Страница 25: ...Tube O Ring 008919 2 4 Collection Tube Housing 008917 0 1 Belleville Washer 008921 0 2 Feed Tube Assembly 008922 1 2 Feed Tube Snap Ring 008928 1 2 Feed Tube 008929 1 2 Orifice O Ring 008919 3 6 Feed...

Страница 26: ...Page 22 04 21 20 Champion RC300 NOTES...

Страница 27: ...04 21 20 Page 23 Champion RC300 NOTES...

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