50 SERIES DRILLS Part of worldwide Ingersoll-Rand
Contents
1. Y180 13 64 Sun Gear 4 4 1 ratio 15 teeth 46466 29 Valve Stem 46847 2 65 Planet Gear 3 req d 4 4 1 ratio 18 teeth 46900 30 46379 1 66 Carrier Assembly 46522 41100 67 Carrier Assembly 46721 32 Valve Bushing 46381 68 Spindle Assembly 33 Reverse 46299 for single direction models 47805 2 94 1 ees 46298 for reversible models 47807 2 SO MNO 46406 69 Carrier Assembly 47544 36 Ball Bearing 47724 701 Chuck 37 Rear End Plate 46312 1 0 1 4 47340 38 Rotor see chart page 4 1 16 3 8 capacity 47341 hex drive 46454 0 1 4 48459 41 Spline drive 46470 Seed 47060 39 Blade 5 req d 46413 72 3 8 Square Drive Adapter 30384 5 401 Cylinder 73 oe ies Y178 39 for single direction models 48201 1 741 1 2 Square Drive Adapter 30384 9 for reversible models2. Products 50 SERIES DRILLS OPERATOR S MANUAL INCLUDING OPERATION INSTALLATION amp MAINTENANCE SECTION M20 MANUAL 11 Released 11 3 86 Revised Form Models DG051B DG052B DLO51B and DLO52B A WARNING READ THIS MANUAL CAREFULLY BEFORE INSTALLING OPERATING OR SERVICING THIS EQUIPMENT FAILURE TO OBSERVE THE FOLLOWING WARNINGS COULD RESULT IN INJURY Pneumatic tools should always be installed and used in accor dance with A N S 1 B186 1 Safety Code For Portable Air Tools Operate this tool at 90 p s i g 6 2 bar maximum air pressure at the air inlet of the tool Disconnect air supply from tool before removing installing bit socket or device attached to tool or performing maintenance procedures Keep hands clothing and long hair away from rotating end of tool Anticipate and be alert for sudden changes motion during start up and operation of any power tool Never exceed rated r p m of tool Wear suitable eye and hearing protection while operating tool Tool shaft can continue to rotate briefly after throttle is re leased Donotlubricate tools with flammable or volatile liquids such as kerosene diesel or jet fuel Do not remove any labels Replace any damaged 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
3. 46311 75 1 4 Hex Ball Lock Adapter 30712 41 Front End 47722 ROW tech Y178 41 42 Ball Bearing Y65 13 PF PAU Gi fa eke ene 49983 MOTOR ASSEMBLY includes items 36 thru 42 see chart page 4 SERVICE KIT includes items 3 4 9 10 43 J OO FING ck eee anes necklace 325 214 13 15 17 19 20 22 23 25 27 39 43 44 Spacer 46412 hee soak ony ord os es a 47756 1 SS N SAD SS 07 2 2 aa SSNS SSN j 3 SN AN 94 i lt 25 MODEL DG052B 10 P 11 M20 K au A fi V CZ a 4 r 48 5 5 4 lt NT Ik 2 PFTS m x CLLR ELL EEL lt 4 lt 4 lt 22722222722272 26 MODEL 052 25 CY V DNN NS 2 ANTS aro Part of worldwide Ingersoll Rand PN 49999 042 2 wae Me Pee ae har 1
4. REVERSIBLE 46470 MODELS WITH EU SUFFIX ARE EC COMPLIANT MODELS A SPINDLE DESCRIPTION OPTION ITEM NO A 47340 CHUCK 70 B 47341 CHUCK 70 K _ 30384 9 ADAPTER 74 P NOOPTION Q 30712 ADAPTER 75 a 3 8 24 SPINDLE THREAD M20 11 54 53 52 50 51 50 49 48 61 57 60 6 67 1 RED 57 56 55 62 57 56 ote ITEMS INCLUDED IN SERVICE KIT NO 47756 1 11 76 1 RED 54 5 52 50 51 50 49 63 58 57 56 55 66 57 65 64 53 52 50 54 44 48 1 RED 44 43 42 41 45 40 39 38 36 1 1 RED 3 43 1 RED 54 53 52 50 51 50 49 59 47 57 56 5 33 1 RED M20 11 9 ASSEMBLE WITH X THIS SIDE DG051B 500 i 34 35 DG052B 9 34 33 ITEMS INCLUDED SERVICE KIT 47756 1 NOT SHOWN 46328 BAIL LEVER THROTTLE 46472 BAIL ASSEMBLY PISTOL GRIP OPTIONAL 48176 1 WARNING LABEL NON EU MODELS 49883 WARNING LABEL EU MODELS DISASSEMBLY ASSEMBLY INSTRUCTIONS Never apply excessive pressure by a holding device which may cause distortion of a part Apply pressure evenly to parts which have a press fit Apply even pressure to the bearing race that will be press fitted to the mating part Use correct tools and fixtures when servicing this tool Don t damage rings when servicing this tool Use only genuine ARO replacement parts for this tool When orderin
5. Assemble vaive rod 2 into housing NOTE Throttle pin 11 throttle pin 11 should not pull out when valve rod is seated properly Assemble spring 3 diffuser washer 6 and spacer 7 to tool Assemble two fillers 4 to exhaust 5 securing with inlet adapter 8 Clean and replace screen 9 in inlet adapter PART NUMBER FOR ORDERING PART NUMBER FOR ORDERING 1 f Housing 46723 45 Locating Pin 2 Valve Rod Assembly 46354 for lever throttle models 47723 2 S SPN aeiae lea bo og eu etn 41654 for pistol grip models 47723 1 4 Filler 2 req d 46452 46 Drive Plate 46716 51 Exhaust 46448 47 Spindle Assembly 6 Diffuser Washer 46449 for single direction models 47805 5 TW 47205 for reversible models 47807 5 8 Inlet Adapter 46377 48 Ring Gear single reduction 51 teeth 46713 SCION 33911 49 Spacer 46496 10 46374 50 Ball Bearing 2 Y65 13 111 Throttle Pin 46296 2 Spacer 46706 46326 52
6. Lack of or an excessive amount of lubrication will affect the perfor mance and life of this tool Use only recommended lubricants at below time intervals EVERY 8 HOURS OF TOOL OPERATION Fill lubricator reser voir of recommended F R L with spindle 29665 If an line or air line lubricator is not used apply several drops of spindle oil 29665 in air inlet EVERY 160 HOURS OF TOOL OPERATION Lubricate gear ing Pack bearings coat shafts and lubricate gears with NLGI 1 EP grease 33153 Gearing should contain approximately 3 64 0z 1 3 g of grease for single reduction and 1 16 oz 1 8 g for double reduction AIR SUPPLY REQUIREMENTS For maximum operating efficiency the following air supply specifi cations should be maintained to this air tool AIR PRESSURE 90 p s i g 6 2 bar AIR FILTRATION 50 micron LUBRICATED AIR SUPPLY HOSE SIZE 5 16 8 mm 1 D An ARO model C28231 810 air line FILTER REGULATOR LU BRICATOR F R L is recommended to maintain the above air supply specifications RECOMMENDED LUBRICANTS After disassembly is compiete all parts except sealed or shielded bearings should be washed with solvent To relubricate parts or for routine lubrication use the following recommended lubricants a 28 Where Used ARO Part Description Air Motor 29665 1 qt Spindle Oil O Rings amp Lip Seals 36460 4 oz Stringy Lubricant Gears and Bearings 33153 5 Ib EP
7. NLGI 1 Grease INSPECTION MAINTENANCE AND INSTALLATION Disconnect air supply from the tool or shut off air supply and ex haust drain line of compressed air before performing mainte nance or service to the tool It is important that the tools be serviced and inspected at regular intervals for maintaining safe trouble free operation of the tool Be sure the tool is receiving adequate lubrication as failure to lu bricate can create hazardous operating conditions 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 M20 11 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 or other safe ty devices shall be kept in legible condition Maintenance and re pair records should be maintained on all tools Frequency of repair and the nature of the repairs can reveal unsafe application Scheduled maintenance by competent authorized personnel should detect any mistreatment or abuse of the tool and worn parts Corrective action should be taken before returning the tool for use Disassembly should be done on a clean work bench with a clean cloth spread to prevent the loss of small parts After disassembly is completed all parts should be tho
8. REGULARLY MODEL ROTATION ROTOR MOTOR NUMBER ITEM 38 ASSEMBLY RED 60518 44 4 SINGLE 400 46470 48227 1 44 48 1 _ 0051 11 sincte 1100 46454 48226 1 150911 _06051 15 sincLe 1500 46454 48226 1 1176 1 051 33 4 sinGLE 3300 46470 48227 1 5334 DGos1B 52 SINGLE 5200 464584 48226 1 3431 6051 180 SINGLE 18 000 46470 48227 1 1 1 _DG052B 4 REVERSIBLE 400 46470 47727 44 48 1_ DG052B 6 REVERSIBLE 600 46470 47727 29251 0052 10 4 REVERSIBLE 1000 46454 47728 15 09 1 0052 15 REVERSIBLE 1500 46454 47728 11 76 0052 25 REVERSIBLE 2500 46470 477277 667 06052 30 REVERSIBLE 3000 46470 47727 6052 50 REVERSIBLE 5000 46454 47728 DLOS1B 4 44 48 1 8 4 SINGLE 400 DLO51B 6 SINGLE 600 46470 48227 1 1100 1500 4 00518 11 DLO51B 1 11 76 1 DL051B 27 6 67 1 DL051B 3 SINGLE 3300 46470 48227 1 DLO51B 52 SINGLE 5200 46454 48226 1 DLO51B 180 48227 1 DL052B 4 REVERSIBLE 400 46470 47727 44 48 1 DL052B 6 REVERSIBLE 600 46470 47727 DL052B 10 REVERSIBLE 1000 46454 47728 2500 3000 gt gt 4 DL052B 1 REVERSIBLE 46454 11 76 1 DL052B 2 REVERSIBLE 46470 47727 6 67 1 DLO52B 30
9. 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 hand held tools who experience vibrations should closely monitor duration of use and their physical condition The use of other than genuine ARO replacement parts may result in safety hazards decreased tool performance and in creased maintenance and may invalidate ail warranties e ARO is not responsible for customer modification of tools for applications on which ARO was not consulted e maintenance and repair should be performed by autho rized trained competent personnel Consult your nearest ARO authorized servicenter Itis the responsibility of the employer to place the information in this manual into the hands of the operator For parts and service information contact your local ARO distributor or the Customer Service Dept of the Ingersoll Rand Distribution Center White House TN at PH 615 672 0321 FAX 615 672 0801 ARO Tool Products Ingersoll Rand Compan 1725 U S No 1 North P O Box 8000 Southern Pines NC 28388 8000 1995 THE ARO CORPORATION PRINTED IN U S A Part of worldwide Ingersoll Rand FAILURE TO OBSERVE THE FOLLOWING WARNINGS COULD RESULT IN INJURY WARNING Wear eye protection when operating or performing maintenance on this t
10. 47682 13 ROU 178 28 53 46704 14 Housing 46486 541 Spacer 46705 PON Ball eid esos hot ics Y 16 204 55 Sun Gear 1 or 2 req d 3 43 1 ratio 21 teeth 46465 16 Valve 46476 56 Planet Gear 3 or 6 req d 3 43 1 ratio 15 teeth 46899 17 1 41654 57 Needle Bearing 3 6 req d 42315 18 Inlet Adapter 46385 58 Spindle Assembly 19 J Muffler Assembly 46857 for single direction models 47805 3 20 Filler mode DGO51B requires 2 46851 for reversible models 47807 3 211 Pistol Grip Housing 47367 59 Ring Gear single reduction 39 teeth 46714 22 46849 601 Planet Gear 3 or 6 req d 6 67 1 ratio 21 teeth 46901 20 220 roere ea ta aN Y325 15 61 Spindie Assembly 24 Valve Stem Assembly 46848 2 for single direction models 47805 1 25 O RING 4 eg eae Y325 3 for reversible models 47807 1 26 f Val eneen ana in 45473 62 Carrier Assembly 46521 27 25 7 63 Ring Gear double reduction 46712 28 Retaining Ring
11. ar and components to tool and tighten using a wrench on flats of ring gear Assemble spacer 54 and drive option to tool MOTOR DISASSEMBLY Remove gearing from tool Remove spacer 44 and O ring 43 Tap front edge of housing to remove motor assembly Locat ing pin 45 should also come out Grasp cylinder in one hand and tap drive end of rotor 38 with a soft face hammer motor will come apart NOTE Bearings are light press fit on rotor Remove end plate 37 and bearing 36 from rotor MOTOR ASSEMBLY Lubricate bearing 36 with ARO 33153 grease and assemble into end plate 37 pressing on outer race of bearing Assemble end plate 37 to rotor pressing on inner race of bearing Coat five rotor blades 39 with ARO 29665 spindle oil and as semble to rotor slots straight side out Coat i d of cylinder 40 with ARO 29665 spindle oil and as semble over rotor NOTE Air inlet slots in end of cylinder must be aligned with two air inlet holes in end plate 37 Assembie bearing 42 into end plate 41 pressing on outer race of bearing Assembie end plate 41 to rotor pressing on inner race of bearing Be sure rotor turns without binding Insert locating pin 45 into 096 diameter blind hole at bottom of motor cavity in housing Align notches of end plates and cylinder and install motor into housing aligning notches with locating pin 45 Grease and assemble ring 43 to end plate 41 Ass
12. emble spacer 44 to motor Assemble gearing to tool PISTOL GRIP HOUSING DISASSEMBLY Remove spiro pin 22 driving it out the left side of housing Single Direction models Remove trigger 34 plug 35 valve assembly 24 and O ring 23 Reversible models Remove trigger 34 reverse valve 33 valve bushing 32 spring 31 washer 30 valve assembly 24 and O ring 23 Remove ring 25 valve 26 O ring 27 and retaining ring 28 Remove inlet adapter 18 releasing muffler 19 and filler s 20 Remove screen 9 from inlet adapter 18 PISTOL GRIP HOUSING ASSEMBLY Grease O ring 23 and assemble into housing 21 Assemble retaining ring 28 to valve stem 29 Grease O ring 27 and assemble to valve 26 Assemble valve 26 to valve stem with smallest diameter of valve going on valve stem first Grease O ring 25 and assemble to valve stem securing valve 26 Single Direction models Assembie valve stem thru plug 35 and assemble plug into housing 21 aligning 102 diameter holes in housing and piug Reversible models Assemble washer 30 and spring 31 over valve stem NOTE Assemble washer with X facing ring 23 Assemble reverse valve 33 to valve bushing 32 NOTE Position 102 diameter hole thru bushing to align with slot thru side of reverse valve Assemble valve stem and com ponents thru reverse valve 33 and bu
13. g specify part number description tool model number and serial number GEARING DISASSEMBLY Clamp tool in a smooth face vise pistol grip models clamp on handle 21 straight models clamp on inlet adapter 8 Remove drive option from too chuck square drive etc Unthread and remove ring gear 48 59 or 63 and compo nents using a wrench on flats of ring gear Remove spindle s and gears from ring gear NOTE Keep gears grouped with mating spindle when disassembling double reduction gearing Remove lock nut 53 releasing washer 52 bearings 50 and spacers 49 and 51 Do not remove gears 55 64 from carrier assembly unless damage is evident Gears are press fit onto carrier assem blies GEARING ASSEMBLY Assemble spacer 49 and one bearing 50 into ring gear 48 59 or 63 pressing on outer race of bearing Coat shafts of spindie s with ARO 33153 grease Assemble gears containing bearings 57 to shafts of mating spindle Assemble carrier assembly to assembly of double re duction gearing Lubricate sets of gears liberally with ARO 33153 grease see Routine Lubrication Requirements page 3 Assemble spindle s and gearing into ring gear Rotate spindle and gears to align gear teeth with splines of ring gear Assemble spacer 51 and bearing 50 into ring gear press ing on inner race of bearing Assemble washer 52 to ring gear securing with lock nut 53 Assemble ring ge
14. ool A WARNING Turn off air supply and disconnect air supply hose before installing removing or adjusting any accessory on this tool or before performing any maintenance on this tool A WARNING Do not carry the tool by the hose A WARNING Do not overreach when operating this tool Keep body stance balanced and firm Read the manual before operating this tool Operate at 90 psig 6 2 bar max PN 48176 1 LABEL PN 49883 LABEL NON EU MODELS MODELS This label must appear on the tool at all times If it is lost or damaged a replacement label is available at no cost WARNING Hazards or unsafe practices which could result in severe property damage A WARNING Wear hearing protection when operating this tool A WARNING 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 A WARNING Do not use damaged frayed or deteriorated air hoses and fittings A WARNING Operate at 90 p s i g 6 2 bar 620 kPa maximum air pressure personal injury death or substantial CAUTION Hazards or unsafe practices which could result in minor personal injury or product or property damage NOTICE Important installation operation or maintenance information 2 ROUTINE LUBRICATION REQUIREMENTS
15. roughly washed in a clean sol vent blown dry with air and inspected for wear levels abuse and contamination Double sealed or shielded bearings should never be placed in solvent unless a good method of re4ubricating the bearing is available Open bearings may be washed but should not be allowed to spin while being blown dry Upon reassembling lubricate parts where required Use 33153 grease or equivalent in bearings Use 36460 lubricant for ring assembly When assembling O rings or parts adjacent O rings care must be exercised to prevent damage to the rubber sealing surfaces A small amount of grease will usually hold steel balls and other small parts in place while assembling When replacement parts are necessary consult drawing contain ing the part for identification Always use clean dry air Dust corrosive fumes and or excessive moisture can damage the motor of an air tool An air line filter can greatly increase the life of an air tool The filter removes rust scale moisture and other debris from the air lines Low air pres sure less than 90 p s i g reduces the speed of the air tool High air pressure more than 90 p s i g raises performance beyond the rated capacity of the tool and could cause injury Shown below is a typical piping arrangement MAIN LINES 3 TIMES AIR TOOL INLET SIZE LUBRICATOR REGULATOR BRANCH LINE 2 TIMES AIR TOOL INLET SIZE FILTER COMPRESSOR DRAIN
16. shing 32 and as semble into housing aligning 102 diameter holes in housing and bushing Assemble trigger 34 securing with pin 22 NOTE As semble pin from left side of housing Assemble filler s 20 and muffler 19 to housing securing with inlet adapter 18 Clean and replace screen 9 in inlet adapter LEVER THROTTLE HOUSING DISASSEMBLY Clamp inlet adapter 8 in a smooth face vise Unthread housing 1 or 14 using a strap type wrench Remove spacer 7 diffuser washer 6 exhaust cap 5 fillers 4 spring 3 and valve rod 2 NOTICE Do not remove or adjust rubber portion of valve rod 2 as itis preset atthe facto ry However if air leakage occurs due to wear unscrew rubber portion of valve rod NOT more than one complete turn coun terclockwise Reversible models Remove pin 77 ball 15 valve body 16 and spring 17 Remove throttle pin 11 and spring 10 Remove screen 9 from inlet adapter 8 LEVER THROTTLE HOUSING ASSEMBLY Assemble spring 10 and throttle pin 11 into housing align ing slot in throttle pin with air inlet holes in housing DISASSEMBLY ASSEMBLY INSTRUCTIONS M20 11 e Reversible models Assemble spring 17 and valve body 16 Reversible models Assemble ball 15 and pin 77 into slots into housing aligning ball slot in valve body with slot hous of housing and valve body 16 ing Assemble exhaust cap 5 to housing aligning lever 12 with
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