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Ingersoll-Rand 8255-A manual

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Table of contents for the manual

  • Page 1

    ARO. OPERATOR’S MANUAL SECTION M103 MANUAL 11 INCLUDING: OPERATION, INSTALLATION & MAINTENANCE Released: 8/9O PAR-A-MATIC® SELF-FEED DRILLS Models 8255-A( )-( ) and 8355A( )-( ) Revised: 11-20-98 Form: 1612-2 IMPORTANT: READ THIS MANUAL CAREFULLY BEFORE INSTALLING, OPERATING OR SERVICING THIS EQUIPMENT. OPERATING AND SAFETY PRECAUTIONS RECOM[...]

  • Page 2

    FEED RATE CONTROL VALVES l Turn valve (24) marked “R” on top of housing, approximately 1-1/2 turns counterclockwise (open). l Turn the other valve (24) marked “F" on top of housing, clock- wise until closed (do not tighten too snugly). l Start the unit and slowly turn valve (24) marked “F", counter- clockwise (open) until the desi[...]

  • Page 3

    SET-UP PROCEDURE WITH OPTIONAL HYDRAULIC CHECK M103 Assemble hydraulic check to mounting bracket and assemble mounting bracket to tool, using washers (30997) and cap screws (Y157-44). Measure distance from drill point to work piece - distance “Y". Distance “X” between hydraulic check plunger and trip brack- et must be less than distance [...]

  • Page 4

    DISASSEMBLY/ASSEMBLY INSTRUCTIONS Lubricate needle bearing (103) with ARO 33153 grease and as- semble to spindle (104) and assemble spindle to ring gear (102). Assemble seal (91) to lock nut (90) and assemble lock nut to ring gear, securing bearings and spindle. Assemble spindle nut (92) to spindle. Assemble gears (82) to spindle, securing with sha[...]

  • Page 5

    93 33835-1 GEARING ASS’Y M103 11 3.4:1 RED. 98 34009-1 GEARING ASSY 48044-1 GEARING ASS’Y I * ASSEMBLE WITH THREAD ADHESIVE SUCH AS LOCTITE 242. I[...]

  • Page 6

    . 79 33853-1 GEARING ASS’Y 6[...]

  • Page 7

    M103 11 * ASSEMBLE WITH THREAD ADHESIVE SUCH AS LOCTITE 242. 24 26 25 7[...]

  • Page 8

    1 2 3 4 5 6 7 10 11 12 13 14 15 16 17 18 19 20 22 24 26 27 28 29 30 31 32 34 35 36 37 38 39 40 41 42 8 PART NUMBER FOR ORDERING PART NUMBER FOR ORDERING t Cover models 8255-A( )-1 and 8355-A( )-1 . . models 8255-A( )-2 and 8355-A( )-2 . . models 8255-A( )-3 and 8355-A( )-3 . . Pipe Plug ........................... Adapter ..........................[...]

  • Page 9

    PART NUMBER FOR ORDERING M103 11 106 107 108 109 110 111 112 113 114 115 116 117 30765 32833 39934 39984 34682 38719 38720 38718 31812-8 38721 39940 33907 Shaft (2 req’d) ....................... Splined Driver ....................... Spindle ............................. Ring Gear (includes item 88) .......... Bearing (2 req’d) ................[...]

  • Page 10

    BASIC REMOTE CONTROL FOR START AND EMERGENCY RETRACT FUNCTIONS MODEL 8255A( )( ) Remote operation of the unit may be achieved by connecting a S-way valve to the remote start and/or remote retract ports, as shown above. TO START - Depress the remote button momentarily. The unit will advance the drill to a pre-set depth and automatically retract to t[...]

  • Page 11

    TROUBLE SHOOTING M103 11 LISTED BELOW ARE SOME OF THE MOST COMMON CAUSES FOR THE SELF-FEED DRILL TO MALFUNCTION. MALFUNCTIONS BEYOND THE SCOPE OF THIS MANUAL SHOULD BE BROUGHT TO THE ATTENTION OF YOUR ARO REPRESENTATIVE OR RETURN THE TOOL TO THE FACTORY FOR REPAIR. CONDlTlON FAILURE TO FEED OR IRREGULAR OR ERRATIC FEED. POSSIBLE CAUSE 1. INADEQUATE[...]

  • Page 12

    DIMENSIONAL DATA 8255-A()-1 8255-A()-2 8255-A()3 8355A()-1 8355-A()-2 8355A()-3 A 17-13/32"(442mm) 18-29/32"(480 mm) 22-29/32"(582 mm) B 3-19/64"(84mm) 2-34/64"(65mm) 2-35/64"(65mm) C l-19/64"(33mm) 35/64"(14mm) 35/64"(14mm) "D" 14-7/8"(378mm) 16-3/8" (416mm) 20-3/8"(1518mm) E 49[...]