Ingersoll-Rand 8246-D specifications BANT-A-MATIC SELF-FEED Drills, Lubricated AIR Supply

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OPERATOR’S MANUAL SECTION M104

MANUAL 13

 

INCLUDING: OPERATION,INSTALLATION& MAINTENANCE

Released: 4-1-88

Tool Products

BANT-A-MATIC® SELF-FEED DRILLS

Revised: 12-l 2-94

Form: 3266-2

Models 8246-D( )-( )

IMPORTANT: READ THIS MANUAL CAREFULLY BEFORE INSTALLING,

OPERATING OR SERVICING THIS EQUIPMENT.

OPERATING PRECAUTIONS

lKeep hands and clothing away from rotating end of tool. l Wear suitable eye protection while operating tool.

0 Disconnect air supply from tool before removing/installing bit or performing other maintenance procedures.

ROUTINE LUBRICATION REQUIREMENTS

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 oil (29665).

EVERY 160 HOURS OF TOOL OPERATION - Inject NLGI #1 “EP”grease (33153), 1 to 2 strokes, thru grease fitting in gear housing. NOTE: Spindle must be extended from outer sleeve suf- ficiently to expose grease fitting in gear housing. Gearing should contain approximately 1/8 oz. (3.5 g) of grease.

AIR SUPPLY REQUIREMENTS

For maximum operating efficiency, the following air supply specifi- cations should be maintained to this air tool:

lAIR PRESSURE - 90 PSIG (6 bar) l AIR FILTRATION - 50 micron

. LUBRICATED AIR SUPPLY

l HOSE SIZE - 5/16” (8 mm) I.D.

An ARO® model C28231-810 air line FILTER/REGULATOR/LU- BRICATOR (F.R.L.) is recommended to maintain the above air supply specifications.

MOUNTING

The nose end of the outer sleeve (41) is provided with 1-7/16” - 18 L.H. threads [remove thread guard (47) for use] and a 1-7/16” x 1/2” long pilot diameter for fixture mounting. Foot and flange type mounting brackets are available for tool mounting.

TOTAL STROKE LENGTH

I

I

1/4”MlNlMUM

RECOMMENDED LUBRICANTS

After disassembly is complete, all parts, except sealed or shielded bearings, should be washed with solvent. To relubricate parts, or for routine lubrication, use the following recommended lubricants:

Where Used

ARO Part #

Description

Air Motor

29665

1 qt. Spindle Oil

“O”Rings & Lip Seals

36460

4 oz. Stringy Lubricant

Gears and Bearings

33153

5 lb.“EP”- NLGI#1Grease

SET-UP PROCEDURE

WARNING: Keep clear of rotating end of unit with hands and/or clothing. Keep fingers/hands from being pinched between hous- ing or valves and adjustment screws and/or trip bracket.

lLoosen two screws (29) and remove cover (1).

0Allow a minimum distance of 1/4” between the tap point of the unit and the workpiece. This is necessary for the air motor to start and reach free speed before the tap point touches the

workpiece.

lDetermine the TOTAL STROKE LENGTH the tap must travel

to perform the tapping operation -see illustration below.

aLoosen jam nut (8) and turn adjustment screw “A”so the dis- tance between the end of the screw and the stud (26) equals

the total stroke length.

lTighten jam nut (8).

0Loosen jam nut (8) and turn adjustment screw “B”(valve in- head models only) so the distance between the end of the screw and the button bleed valve (25) is slightly GREATER

than the distance set for adjustment screw “A”.

lStart and let the unit advance until the adjustment screw “A”

makes contact with the stud (26).

lCarefully, and be aware that the unit is going to retract, turn the

adjustment screw “B”until it depresses the button bleed valve

(25)enough to cause the unit to retract. l Tighten jam nut (8).

0 See “FEEDRATE CONTROL VALVES”, page 2.

-DESIRED TAP

PENETRATION

ADJUSTMENT SCREW“A”

For parts and service information, contact your local ARO distributor, or the Customer Service Dept. of the Ingersoll-Rand Dis- tribution Center, White House, TN at PH: (615) 672-0321, FAX: (615) 672-0601.

ARO Tool Products

Ingersoll-Rand Company

1725 U.S. No. 1 North l P.O. Box 8000 l Southern Pines, NC 28388-8000 ©1994 THEAROCORPORATION.PRlNTEDIN U.S.A.

PROFESSIONALTOOLS

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Contents Lubricated AIR Supply BANT-A-MATIC SELF-FEED DrillsFeedratecontrolvalves Recommendedpower AIR Inlet SystemManualoperation RemoteoperationBasic Remotecontrolforstart Emergencyretractfunctions AdjustmentscrewRemote Operation 44800 Tapperdisassembly DISASSEMBLY/ASSEMBLYINSTRUCTIONSM104Tapperassembly TAPMATICATTACHMENT& Torquearm ASS’YPage Ml04 Motor Gearingdisassembly DISASSEMBLY/ASSEMBLYINSTRUCTIONSAIR Pistonassembly Valve HousingdisassemblyQTY PARTNO. Description QTY PARTNO. Description Service KIT noAccessories TroubleshootingCondition PossiblecauseDimensionaldata