ARO Bant-A-Matic 8248-B Operator'S Manual Download Page 11 | Manualshive

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Summary of Contents for Bant-A-Matic 8248-B

Page 1: ...ielded bearings should be washed with solvent To relubricate parts or for routine lubrication use the following recommended lubricants Where Used Description Air Motor 29665 1 qt Spindle Oil 0 Rings Lip Seals 36460 4 oz Stringy Lubricant Gears and Bearings 33153 5 lb EP NLGI 1 Grease SET UP PROCEDURE WARNING Keep clear of rotating end of unit with hands and or clothing Keep fingers hands from bein...

Page 2: ...valve housing causing spool valve in housing to shift to the forward feed position thus starting the forward stroke of the unit Install a pressurebleedvalve ARO port number9600 in valve port marked R at the TOPof the valve housing and connect using 1 8 i d tubing to o remote MANUALLY operated valve This valve is used OSon emergency retract in case of a port mis alignment or such only as the unit w...

Page 3: ... from closed position Thiswill allow drill to advancerapidlyuntilthetrip bracketcontactsplungerof hydraul ic check Insert bit into spindle and into locking insert where applicable In suring that one of the set screws locates squarely on the flat of the bit Tightencollet firmly then tighten set screws NOTE DONOTover tighten collet NOTE Intent of setscrews is onlyto keepbit from turn ing in collet T...

Page 4: ... 106 106 I ...

Page 5: ...78 VALVE SECTION MOTOR AND PISTON SECTION GEARING SECTION I 5 INCLUDES ITEMS 88 THRU 111 ...

Page 6: ......

Page 7: ...28 127 I 27 71 30 26 ...

Page 8: ...seated or premature failure of the bearing may occur Drop the thrust race into the boreof the sleeveassembledin the turret 8 Place a small amount of greaseon spindle and positionthe twenty needlerollers 123 betweenthe oil seal 124 andthrustrace 121 Place a small amountof greaseon shoulderbetweenthetwothrust races and position the six rollers 120 on spindle Slide spindle into sleeve insuring foam s...

Page 9: ...s heatthe threaded area lightly to softenthe adhe sive and unthread the rod from the housing R H threads AIR PISTON ASSEMBLY NOTICE When a part containing 0 rings has been removed from tool itis recommendedthat the 0 rings be replacedwith new ones when reassembling part to the tool Lubricate all 0 rings with ARO 36460 0 ring lubricant Assemble retaining ring 36 0 ring 37 0 ring 39 and screen 40 to...

Page 10: ...63 64 66 67 68 69 70 71 73 74 75 76 77 78 80 82 83 84 85 89 90 91 92 93 95 96 98 99 100 101 102 103 104 105 106 107 PART NUMBER FOR ORDERING Retaining Ring 0 Ring 2 req d Motor Housing models 8248 B 1 and 8248 B 2 model 8248 B 3 Cap Shield Rear End Plate Bearing Rotor 7 teeth used with motor ass y 33654 2 12teeth used with motor ass y 34746 2 Blade 5 req d Roll Pin Roll Pin Cylinder Includes items...

Page 11: ...I WSTANT T 6E CON NECWJNS AN0 SPRlNG RETVRN lECTOR 69474 om a UDIL 11 EMERGENCY 45984 46394 29 46394 30 46394 32 46058 48440 1 Y211 1 Model No Color Size 59690 004 White 5 32 59690 104 Black 1 5 32 59690 204 Green I 5 32 IN WC PORT d SUPPLY 59690 404 59690 504 59690 604 59690 704 packaged 10 to a box REMOTE OPERATION Remote operation of the unit may be achieved by connecting a 3 way valve to the r...

Page 12: ... Ring TROUBLE SHOOTING LISTED BELOW ARESOMEOFTHEMOSTCOMMON CAUSES FORTHESELF FEED DRILLTOMALFUNCTION MALFUNCTIONS BEYOND THE SCOPE OFTHISMANUAL SHOULD BEBROUGHT TOTHEATTENTION OFYOURAROREPRESENTATIVE ORRETURNTHE TOOLTOFACTORY FORREPAIR CONDITION POSSIBLE CAUSE Failure to feed or irregular or erratic feed Low speed or motor fails to operate Motor continues to run after retraction Failure to retract...

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