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Summary of Contents for 8506-A

Page 1: ...ning 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 Anticipate and be alert for sudden changes in motion during start up and operation of any power tool Never exceed rated r p m of tool Wear suitable eye and hearing protect...

Page 2: ...rs Seek medical advice before resuming use Do not use damaged frayed or deteriorated air hoses and fittings Do not overreach when operating this tool Keep body stance balanced and firm Operate at 90 p s i g 6 2 bar 620 kPa maximum air pressure J NOTICE PN 48176 1 LABEL PN 49883 LABEL NON EU MODELS EU MODELS This label must appear on the tool at all times If It is lost or damaged a replacement labe...

Page 3: ... 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 thoroughly washed in aclean sol vent blown dry with air and inspected for wear levels abuse and contamination Double sealed or shielded bearings should never be pla...

Page 4: ...assemble this tool any part or assembly and pull from gearing completely be sure to read Inspection Maintenance and Instal lation section GEARING SECTION To minimize the possibility of parts damage and for convenience Remove drive section Hold motor housing in a suitable fixture or the steps for disassembly or assembly listed on the following gear strap wrench and remove gearing using a wrench on ...

Page 5: ...le and secure from gearing with retaining ring 37243 NOTE Assemble jaw 36318 to spindle with small hole in face of jaw facing jaw 40772 b Remove nut 36313 releasing washer 33609 clutch spring pad 36316 pins 36317 and balls Y16 205 c Assemble balls Y16 205 pins 36317 thrust pad 36316 clutch spring washer 33609 and nut 36313 Adjust to de c Remove retaining ring 37243 releasing jaw 36318 key sired te...

Page 6: ...e assemble first row of steel balls Y16 203 into 37241 l retainer 38317 and spring 44888 Driver groove slip cam ahead to second groove assemble steel 36319 and cams 38320 and 38321 are now free to be re balls into second groove and slide cam ahead to secure moved releasing steel balls Y16 203 and pins 38325 d Assemble driver 38319 over cam 38320 until face is flush Lockout cam 38324 and springs 38...

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Page 8: ... 33693 and gears to spindle and secure with shafts aligning notch in shafts with spacer NOTE Shafts 33686 contain fifteen 15 loose needle bear ings 33458 per shaft b Assemble spacer 37676 where applicable and bearings to spindle and assemble to ring gear 32325 BEARING 39325 RING GEAR 36324 GEARING ASSEMBLY 5 5 1 36326 SPINDLE 32325 BEARING 32325 BEARING 36325 RING GEAR 33691 SPACER 9 INTERIOR 17 E...

Page 9: ...hafts secure with shafts aligning notch in shafts with spacer NOTE Shafts 33686 contain fifteen 15 loose needle bear ASSEMBLY ings 33458 per shaft b NOTE Pack bearings and lubricate gears liberally with ARO Assemble spacer 37676 where applicable and bearings to spindle and assemble to adapter 32326 Y147 7 RETAINING RING 3666 SHAFT 2 INCLUDES 16 32326 ADAPTER 37667 SPINDLE 32314 SPACER 37676 SPACER...

Page 10: ...e b Assemble end plate 31601 to rotor pressing on inner race of g Be sure rotordoes not bind if rotor binds tap splined end light bearing ly with a soft face hammer to loosen and assemble motor to c Coat i d of cylinder 37684 with ARO 29665 spindle oil and h housing with locating pin 32814 and porting block 45471 Assemble spacers 32310 and 32305 and gearing to tool 32614 LOCATING PIN 31662 END PLA...

Page 11: ...0 e Assemble plungers 47879 and valve assemblies 47880 to bushings 45465 and assemble bushings to housing align ing flats of bushings with flats of shroud f Assemble shroud 45468 to housing securing with screw Y222 156 C g Assemble trigger to shroud securing with roll pin Y178 25 h Assemble muffler 45474 and screens 42911 to housing securing with retaining ring Y147 68 45471 PORTING BLOCK 47990 VA...

Page 12: ...O THE ATTENTlON OF YOUR ARO REPRESENTATlVE OR RETURN THE TOOL TO THE FACTORY FOR REPAIR CONDITION LOW SPEED OR FAILURE TO OPER ATE CLUTCH DISEN GAGES TOO SOON OR FAILURE OF CLUTCH TO DISEN GAGE POSSIBLE CAUSE I INADEQUATE AIR SUPPLY 2 CLOGGED AIR INLET BADLY WORN OR DAMAGED THROTTLE COM PONENTS OR CLOGGED MUFFLER 2 DISASSEMBLE CLEAN INSPECT THROTTLE COMPONENTS REPLACE WORN OR DAMAGED PARTS REFER T...

Page 13: ...O INDICATE DESIRED LENGTH OF HOSE IN FEET EXAMPLE 44361 20 THE 20 INDICATES 20 FEET OF HOSE ORDER LENGTH DE SIRED UP TO 30 FEET MAXIMUM TO ASSEMBLE ADAPTER TO TOOL REMOVE RETAINING RING Y147 68 2 SCREENS 42611 AND MUFFLER 45474 FROM TOOL INSERT ADAPTER 46572 l INTO HOUSING UNTIL lT BOTTOMS IN HOUSING AND SECURE WITH RETAINING RING Y147 68 THREAD INLET HOSE TO TOOL AND TlGHTEN SO EXHAUST HOSE ALIGN...

Page 14: ...JUSTABLE 39312 1 39323 4 1 2 TORQMATIC 37023 37631 2 1 4 POSITlVE 37023 37031 2 1 4 DIRECT DRIVE HOUSING ASSEMBLY NEEDLE BEARING ADAPTER IS PRESSED INTO HOUSING FOR USE WITH 37792 4 BALL LOCK ASSEMBLY AND 38815 2 AND 39616 4 SQUARE DRIVE ASSEMBLIES PAGE 17 ASSEMBLY NUMBER HOUSING DIMENSION A CLUTCH USED ON 36769 l 36331 3 ADJUSTABLE 39312 3 39323 4 1 2 TORQMATIC 37929 l 37931 2 1 4 POSITlVE 370251...

Page 15: ... types of screw heads NOTE SPRING 36111 AND LOCK SPRING 31574 REQUIRED FOR USE WITH FINDERS ORDER SEPARATELY USE WITH FINDER ADAPTER 36332 BELL MOUTH EXTENSION FINDER FOR 1 4 HEX BITS Similar to standard finders except that each finder will accept more sizes and types of screw heads STANDARD LENGTH BLADED BITS FOR SLOTTED SCREWS NOTE SPRING WITH FINDERS 36332 36111 AND LOCK SPRING 31574 REQUIRED F...

Page 16: ...3 1 15 16 3 310 31531 1 2 3 4 1 182 31531 2 2 3 4 2 246 315313 2 3 4 3 310 REED PRINCE BITS PART NO LENGTH POINT SIZE SHAFT DIA 30776 l 1 15 16 1 4 250 30776 2 2 3 4 1 4 250 POSl DRIVE BITS EXTENDED BIT WITH INTEGRAL FINDER FOR SLOTTED SCREWS 30351 10 3 29 32 10F 12R 350 30382 5 I 6 23 32 5F 6R 193 30382 6 1 6 23 32 1 6F 8R 1 241 30382 8 6 23 32 1 8F 10R 1 290 INSERT BITS INSERT BIT HOLDER 16 ...

Page 17: ...370 4 5 32 5 16 10 187 30370 5 1 15 16 3 16 3 8 114 250 30370 6 7 32 7 16 250 30370 7 39379 8 30370 9 1 4 1 2 5 16 312 7 64 6 187 9 64 8 187 PART NO 1 LENGTH 1 BIT SIZE 1 SHAFT DIA 40259 1 2 31 32 1 1 4 Hex 1 7 16 NOTE 41764 PULL SLEEVE TO RELEASE BIT 41765 PUSH SLEEVE TO RELEASE BIT 44599 PULL SLEEVE TO RELEASE BIT USE WITH HOUSING ASSEMBLY 36786 WITHOUT GUIDE BUSHING GUIDE BUSHlNGS USE WITH FIND...

Page 18: ...PN 49999 032 ...

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