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Numa Patriot 180, Care & Maintenance Instructions

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Numa Patriot 180 Care & Maintenance Instructions Download Page 19

09/19/16

Page 15

Patriot

®

 180

Backhead 8-5/8 Reg. Pin

012448 (1)

Thrust Washer

    - Backhead End

012451 (1)

Backhead O-Ring

008158 (1)

Pin

012403 (1)

Check Valve

018121 (1)

Check Valve Spring

018122 (1)

Feed Tube Assembly

019186 (1)

Check Valve Guide

018015 (1)

Feed Tube O-Ring 

009624 (1)

Choke

008164 (1)

Feed Tube

019095 (1)

Piston

012449 (1)

Case

012450 (1)

Bit Bearing

008148 (1)

Snap Ring

008149 (1)

Bit Retaining Rings

O-Ring

008158 (1)

Bit Retaining Rings 

008150 (1)

Thrust Washer

- Chuck End

008152 (1)

Chuck

008142 (1)

Chuck Bushing

008151 (1)

SECTION III

PARTS IDENTIFICATION

EXPLODED VIEW

Hammer Assembly #015654

Figure 3-1

Patriot

 

180

Summary of Contents for Patriot 180

Page 1: ...8 646 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 20...

Page 2: ......

Page 3: ...14 Chuck 3 15 Chuck Bushing 4 16 Drive Plates 4 Section II Maintenance 4 Disassembly 4 Inspection 8 General Assembly 11 Hammer Assembly 11 Backhead Feed Tube Assembly 12 Section III Parts Identificati...

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: ...ng an interchangeable choke All standard hammers shipped from Numa have a blank choke installed Refer to page 15 for correct choke selection and pages 7 and 12 to facilitate the removal and the instal...

Page 6: ...ntaminants from entering the hammer 4 CHECK VALVE SPRING The check valve spring provides tension under the check valve to keep it closed It is compressed as the air is turned on 5 CHOKE The interchang...

Page 7: ...the piston and the bit The bit bearing is placed into the chuck end of the case and is located by a snap ring which is inserted into the main bore 11 SNAP RING A snap ring positions the internal part...

Page 8: ...ed in the bottom end of the chuck to provide a bearing surface between the lower bit shank and the chuck 16 DRIVE PLATES The plastic drive plates provide wear protection for the splines They are inser...

Page 9: ...rmed in a clean environment Tools needed hammer stand 14 1 2 368 mm J or fork wrench possibly incorporated in the hammer stand overhead crane or lift truck pulldown visetong with a 15 1 2 394 mm diame...

Page 10: ...OVEMENT AND VOID THE WARRANTY With the hammer standing in the vertical position using an overhead crane and handling plug unscrew and remove the chuck bit assembly from the case Remove the bit retaini...

Page 11: ...ng a drift pin tap the pin out of the backhead feed tube assembly Using the 2 51 mm diameter brass rod go through the API thread end of the backhead and tap the feed tube assembly out Remove the check...

Page 12: ...hole for cracks and burrs Remove all burrs on the thread with a fine file or emery cloth Replace if necessary CHECK VALVE The check valve should be smooth and free from abrasions Replace if necessary...

Page 13: ...dust CASE Inspect the outside diameter for excessive wear or cracks Inspect the internal case bore for scoring Remove all minor irregularities with fine honing stones Clearance between the piston and...

Page 14: ...e same Collar length should not be less than 5 1 4 133 mm CAUTION IF THE COLLAR LENGTH IS LESS THAN 5 1 4 133 MM AND THE BIT IS UNDER LOAD CONDITIONS CONTACT BETWEEN THE SHOULDER OF THE BIT RETAINING...

Page 15: ...bar install the snap ring into the snap ring groove located against the bit bearing Install the thrust washer against the shoulder of the chuck threads and insert the chuck bushing in the ID under cut...

Page 16: ...rod tap the choke into place Insert the check valve guide into the feed tube over choke Install the check valve spring and check valve into the feed tube Using a rubber mallet tap the feed tube into...

Page 17: ...09 19 16 Page 13 Patriot 180 P180 P 1 8 5 P180 P 1 8 5 Figure 2 5...

Page 18: ...a vertical postion with the chuck end on the ground Using an overhead crane and a handling plug lower the backhead feed tube assembly into the case Thread the backhead feed tube assembly into the cas...

Page 19: ...bly 019186 1 Check Valve Guide 018015 1 Feed Tube O Ring 009624 1 Choke 008164 1 Feed Tube 019095 1 Piston 012449 1 Case 012450 1 Bit Bearing 008148 1 Snap Ring 008149 1 Bit Retaining Rings O Ring 008...

Page 20: ...80 SECTION IV AIR CONSUMPTION CHARTS PATRIOT 180 DRILL PRESSURE BAR 6 9 10 3 13 6 17 2 DRILL PRESSURE PSI 100 150 200 250 CFM L SEC 2265 1888 1512 1132 756 378 4800 4000 3200 2400 1600 800 SOLID CHOKE...

Page 21: ...ex 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 OILS AND NU...

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

Page 23: ...nvironment 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 cloth...

Page 24: ...he 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 SHARPENIN...

Page 25: ...095 1 2 Feed Tube O Ring 009624 2 4 Piston 012449 0 1 Case 012450 0 1 Bit Bearing 008148 0 1 Snap Ring 008149 1 2 Bit Retaining Rings 008150 0 1 Bit Retaining Rings O Ring 008158 1 2 Thrust Washer Chu...

Page 26: ...Page 22 09 19 16 Patriot 180 NOTES...

Page 27: ...09 19 16 Page 23 Patriot 180 NOTES...

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