ARO 8268-A12-1 Operator'S Manual Download Page 11 | Manualshive

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Summary of Contents for 8268-A12-1

Page 1: ...R INLET TO MOTOR 1 8 FEMALE N P T F REMOTE CONTROL PORTS INDEX PAGE MODELIDENTIFICATION GENERAL DESCRIPTION AND OPERATION 2 and 3 SET UP PROCEDURE 4 and 5 AIR AND LUBE REQUIREMENTS 6 MAINTENANCE 6 RECOMMENDED AIR INLET SYSTEM 7 REMOTE CONTROL START AND RETRACT 8 DISASSEMBLY AND ASSEMBLY 9 thru 15 ACCESSORIES 16thru 18 SERVICE KITS 18 TROUBLESHOOTING 19 DIMENSIONALDATA 2 0 For parts and service inf...

Page 2: ...ures Keep hands and clothing away from rotating end of tool and all other moving parts Eye protection should be worn at all times while operating power tools Disconnect air supply line to tool or shut off air supply line to tool and exhaust drain air line of compressed air BEFORE removing or installing a bit reamer or other such device or otherwise performing service or maintenance to the tool SHO...

Page 3: ...ated manually loosen the two 2 Screws Y211 102 securing Cover 40582 to the ValveHousingand removethe cover Removethe Button BleedValve from the F port at the rearof the Valve Housingand removethe PipePlug Y227 2 L from the F port at the top of the Valve Housing Install the Button Bleed Valve 24130 in the F port at the top of the Valve Housing and seal off the F port at the rear of the Valve Housin...

Page 4: ... of unit Close the Feed Rate Control Valve marked F by turning it in clockwise STROKE ADJUSTMENT Determinethe TotalStrokeLengththe drill must travel to performthe drilling operation see figure below Adjustthe length of the stroke by rotating the StrokeAdjustmentScrew A so the distance between the leading edge of the screw and the Stud equals the Total Stroke Length Secure Screw with Jam Nut Start ...

Page 5: ...g unit Increasethe air flow thru the FeedControl Valve by opening two 2 turns from closed This will allow the Drill to advance rapidly FEED RATE ADJUSTMENT until the Trip Bracketcontacts the plunger of the Hydraulic Check TheHydraulic FeedRateAdjustmentis located at the name plate end of the Hydraulic Check Rotateextended spindle until the slot on spindle is located midway betweenthe highest and t...

Page 6: ...TURBINE OR SPINDLE OIL RUST INHIBITED WITH VISCOSITY OF AIR MOTOR 100 150 S U S AT 100 F OIL IS COMPATIBLE WITH POLYCARBONATE TYPE AIR LINE LUBRICATOR BOWLS 33153 GEARS BEARINGS A HIGH QUALITY EP EXTREME PRESSURE ANTI FRICTION BEARING AND GEAR GREASE NLGI NO 1 FREE OF CORROSIVE MATTER AND FILLERS WITH A VISCOSITY OF APPROX 750 S U S AT 100 F 36460 O RINGS LIP TYPE SEALS A STRINGY LUBRICANT FOR RUB...

Page 7: ...3 8 I D HOSE ASS Y 3 8 N P T F MALE FITTING EACH END 3 8 FEMALE N P T F SUPPLY Your ARO Self Feed tad is designed to deliver specific horsepower and thrust to achieve high rates of work Shown below is the same system in schematic form SEE SPECIAL NOTE PAGE 3 F FILTER R REGULATOR L LUBRICATOR F R L MODEL C28231 810 ...

Page 8: ...e initial position whereupon the unit will stop EMERGENCY RETRACT depress the emergency button momentarily retract immediatley to the initial position whereupon the unit will stop This signal to the unit will shift the built in pressure operated valve commanding the unit to NOTE MANUAL START and EMERGENCY RETRACT buttons on the tool are fully operational even when remote control is used The manual...

Page 9: ...Gearing Section The MotorAssemblyalong with Spacers 33699 and 33711 can be re movedfrom MotorHousingafter removalof the GearingSection See page 13 for complete motor disassembly To remove PISTONSEC TION remove cover 40582 Adapter 44883 Washer Y14 616 and Trip Bracket 41713 from end of PistonRod Place Valve Hous ing in a suitable holding device with OuterSleevein an upright posi tion Usingo strapty...

Page 10: ...d removeSpindle Assemblyfrom Body To removeGear 46030 from Body removeOil Reservoir 46035 and NylonWasher 46031 bendwasherslightlyto remove NeedleCage 46037 Spacer 46034 and Washer 46032 are loose parts and will drop out DO NOTdisassemble Spindle 46062 If necessary to replace a part replace as complete Spindle Assembly 46062 AssembleSpringWasher 46035 and NylonWasher 46032 to Ad justing Screw 4603...

Page 11: ...DUAL SPINDLE ATTACHMENT M106 60 DUAL SPINDLE ATTACHMENT ASSEMBLY 46063 FORM 1824 2 PAGE 11 OF 20 ...

Page 12: ...EMBLY NOTE Checkside play of Spindle with tool retracted If side ploy ex ceeds 010TIR add sufficient number of WavyWashers 47589 to reduce side play to less than 010 TIR Do not use less than one or more than three Wavy Washers NOTE Pock Bearings and lubricate Gears and Shafts with grease 46064 DRIVE GEARING ASS Y 4 l BEARING 4 42271 BEARING 33703 46065 DRIVE GEARING ASS Y 47590 WASHER 34490 RING G...

Page 13: ...gs on the bearing facing out Assemble end plate 33710 to rotor and secure with sems fastener 33700 NOTE Torque to28 in Ibs Assemble cyl inder over rotor aligning air inlets and roll pin of cylinder with air inlets and hole in end plate for roll pin Assemble blades to rotor NOTE Pack bearings with ARO 33153 grease or equivalent and coat i d of cylinder with ARO 29665 spindle oil upon assembly Assem...

Page 14: ...in hole provided Assemble 0 Ring Y325 16 to groove in Piston Rodand assemble 0 Ring Y325 225 to groovein MotorHousing AssemblePistonRodand MotorHousinginto OuterSleevefrom gear end exercising care so as notto damage 0 Ring Y325 214 when inserting Piston Rodthru cap already assembled into Sleeve Slot in Motor Housing must be aligned with TorquePin Assemble 0 Ring Y325 224 and Back up Rings 41981 to...

Page 15: ...nents 48441 1 and assemble needle valve to housing Assemble plate 48440 1 to housing securing with screws Y211 1 BUTTON BLEED VALVES neednot be removedexceptfor replacement only CHECKVALVES Assemble 0 Ring Y325 2 to Check Valve and assemble Check Valve and Spring 35733 to housing Secure the REASSEMBLY one CheckValve and Spring with Screw Plug 39652 see illustra tion for correct one Assemble 0 Ring...

Page 16: ... 9 5 0 51 5 2 5 3 54 5 5 5 6 5 7 30 29 28 26 25 23 22 20 19 18 17 16 14 13 12 10 9 7 5 4 3 2 PART NO 46033 39 46033 40 46033 41 46033 42 46033 43 46033 44 46033 45 46033 46 46033 47 46033 48 46033 49 46033 50 46033 51 46033 52 46033 53 46033 54 46033 55 46033 56 46033 57 46033 58 46033 59 46033 60 46033 61 46033 62 46033 63 46033 64 46033 65 46033 66 46033 67 46033 68 46033 69 46033 70 46033 71 46...

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Page 18: ...ifold to OuterSleeve CAUTION DONOTOVER TIGHTEN SetScrew Y23 103 as it maycausedistortionof the OuterSleeveand thus causedamage to the Air Cylinder 40579 contained inside the Outer Sleeve im pairing the function of the tool SERVICE KIT NO 41327 FOR SERVICING MODELS 8268 CONSISTING OF QTY 1 1 1 1 2 1 5 1 2 2 5 2 PART NO DESCRIPTION QTY 37774 Seal Y325 16 O Ring Y325 224 O Ring Y325 214 O Ring Y325 2...

Page 19: ...AK AROUND CAP 46697 4 DAMAGED 0 RINGS IN MUFFLER CAP VALVE HOUSING OR SPOOL VALVE OR SEALS ON PISTON 5 CLOGGED AIR PASSAGE IN VALVE HOUSING CORRECTIVE ACTION 1 CHECK AIR SUPPLY FOR CORRECT REGULATOR AD JUSTMENT 190 P S I G MAX WHEN TOOL IS OPERATING 2 REFER TO SET UP PROCEDURE PAGE 4 3 CHECK FOR DAMAGE TO 0 RING CHECK AND INSURE CAPS ARE PROPERLY TIGHTENED 4 REFER TO VALVE SECTION PAGE 15 AND REMO...

Page 20: ...F F FORWARD R RETURN FEED RATE ADJUSTENT VALVE rBUTTON MODEL 8268 A 1 INCHES 25 3 4 23 31 32 10 1 4 8 7 16 9 3 8 2 3 32 2 9 32 Fs 320635 6g 64 64 I9 I3 I83 41 g g5 95 I9 19 13 2 31 32 2 15 16 2 9 32 __ mm 654 609 260 215 237 53 57 FRONT VIEW MODEL 8268 A 3 ...

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