OPERATOR’S MANUAL SECTION M104
MANUAL 13
| INCLUDING: OPERATION,INSTALLATION& MAINTENANCE | Released: |
Tool Products |
| Revised: |
Form:
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
MOUNTING
The nose end of the outer sleeve (41) is provided with
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
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.
PENETRATION
ADJUSTMENT SCREW“A”
For parts and service information, contact your local ARO distributor, or the Customer Service Dept. of the
ARO Tool Products
1725 U.S. No. 1 North l P.O. Box 8000 l Southern Pines, NC