ARO 7844-E Operator'S Manual Download Page 1 | Manualshive

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Summary of Contents for 7844-E

Page 1: ...aged label Use only accessories recommended by ARO Repeated prolonged operator exposure to vibrations which may be generated in the use of certain hand held tools may produce Raynaud s phenomenon commonly referred to as Whitefinger disease The phenomenon produces numbness and burning sensations in the hand and may cause circulation and nerve dam age as well as tissue necrosis Repetitive users of h...

Page 2: ...mes If it is lost or damaged a replacement label is available at no cost Air powered tools can vibrate in use Vibration repetitive motions or uncomfortable positions may be harmful to your hands and arms Stop using any tool if discomfort tingling feeling or pain occurs Seek medical advice before resuming use Wear hearing protection when operating this tool I Do not use damaged frayed or deteriorat...

Page 3: ...ions resulting from excessive wear Be sure that the air supply lines and connectors are of proper size to provide a sufficient quantity of air to the tool Tool maintenance and repair shall be performed by authorized trained competent personnel Tools hose and fittings shall be re placed if unsuitable for safe operation and responsibility should be assigned to be sure that all tools requiring guards...

Page 4: ...ance proce dures Disconnect air supply from tool or shut off air supply and exhaust drain line of compressed air BEFORE performing maintenance or service to tool Before starting to disassemble or assemble this tool any part or completely be sure to read Inspection Maintenance and Instal lation section Tominimize the possibility of parts damage and for convenience CHUCK CAPACITY 3 8 3 8 3 8 3 8 3 8...

Page 5: ...TYPICAL CROSS SECTION OF TOOL M20 41 HEAD SECTION MOTOR SECTION SPACER 35831 LOCK NUT GEARING SECTION AUXILIARY GEARING 5 ...

Page 6: ...le so the open portion of the ring will allow the remov spindle rotate snap ring locking shafts in place Assemble bear al of shaft Remove shaft releasing gear Repeat for removal of ing 33706 to spindle and assemble into ring gear 34490 with opposite shaft and gear washer 47590 and wave washer 47589 Assemble seal nose housing and spacer 33697 to gearing Pack bearing 33704 with ARO 33153 grease and ...

Page 7: ...the removal of shaft Re move shaft releasing gear Repeat for removal of opposite shaft and gear Assemble spindle and components to ring gear Pack bearings and lubricate gears with ARO 33153 grease upon assembly Gearing assembly should contain approximately 1 4 oz 7 g of grease 40826 AUXILIARY GEARING ASSEMBLY 7 43 1 33708 RETAINING RING 35323 GREASE FITTING 42271 BEARING 4 40840 SPINDLE 40841 SHAF...

Page 8: ...d of rotor with a soft face hammer to loosen and assemble to tool ASSEMBLING MOTOR TO TOOL LEVER THROTTLE MODELS Remove motor housing 37082 from head Place head in a suitable holding device with the motor end in an upright position Assemble motor assemble to head aligning roll pin in motorwith hole provided in head 125 diameter blind hole Slip motor housing over motor and secure to head As semble ...

Page 9: ...h O ring Y325 7 spring 33547 and insert assembly 37981 into housing securing with O ring Y325 13 and adapter 37073 c Assemble oilite casting 33190 l into place in oil cavity fill cavity with oil and seal with washer 31389 and screw 30747 40177 PISTOL GRIP HOUSING ASSEMBLY STANDARD MODELS 49943 PISTOL GRIP HOUSING ASSEMBLY EU MODELS OlLlTE CASTING 33190 I WASHER 31389 OIL SCREW 30747 TRIGGER 39764 ...

Page 10: ...ring Y325 7 to valve stem 36777 and insert into valve opening Assemble spring 32858 air regulator 36775 and seal 36781 into valve opening and secure with nut 36776 See ASSEMBLING MOTOR TO TOOL page 8 37079 LEVER HEAD ASSEMBLY RIVET 36992 MUFFLER ASS Y 40192 SPRING 32656 REGULATOR 36775 SEAL 36781 NUT 36776 PARTS NOT INCLUDED IN HEAD ASSEMBLY 10 ...

Page 11: ... 3 4 30209K 33907 3 8 1 7 16 1 29 32 30510 K 30016 3 8 1 13 16 2 5 16 30016 K 1 13 16 2 5 16 30016 K 38103 BAIL ASSEMBLY FURNISHED FOR PISTOL GRIP MODELS WHEN REQUESTED AT NO ADDITIONAL CHARGE AUX HANDLE ASS FURNISHED ON ALL MODELS HAVING SPEEDS OF 325 AND 600 R P M 11 ...

Page 12: ...SSORIES SECTION OF THIS MANUAL 37085 AUXILIARY HANDLE IS FURNISHED ON ALL ALL MODELS HAVE 1 2 20 THREADED SPINDLE MODELS HAVlNG SPEEDS OF 325 AND 600 R P M SEE ACCESSORIES SECTION FOR PARTS BREAKDOWN 8 1 4 210 MM MAX SINGE GEARING 10 15 32 266 MM MAX DOUBLE GEARING I FLATS 5 8 16 MM 1 7 16 37 MM FLATS 1 3 4 44 MM HEX 38103 BAIL ASSEMBLY IS FURNISHED FOR PISTOL GRIP MODELS WHEN REQUESTED AT NO ADDI...

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