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OPERATOR’S MANUAL

INCLUDING:ĂOPERATION,ĂINSTALLATIONĂ&ĂMAINTENANCE

Released:  2-07-94

Revised:  9-01-00

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2000 INGERSOLL–RAND COMPANY 

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 PRINTED IN U.S.A.

Ingersoll–Rand Company

1725 U.S. No. 1 North 

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 P.O. Box 8000 

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 Southern Pines, NC 28388–8000

ARO Tool Products

For parts and service information, contact your local ARO distributor, or the Customer Service Dept. of the Ingersoll–Rand 
Distribution Center, White House, TN at PH: (615) 672–0321, FAX: (615) 672–0801.

MODELS RS25A–VLK AND RS26A–VLK

RANDOM ORBITAL SANDERS

12,000 R. P. M.

ARO is not responsible for customer modification of tools for applications on which ARO
was not consulted.

IMPORTANT SAFETY INFORMATION ENCLOSED.

READ THIS MANUAL BEFORE OPERATING TOOL.

IT IS THE RESPONSIBILITY OF THE EMPLOYER TO PLACE THE INFORMATION

IN THIS MANUAL INTO THE HANDS OF THE OPERATOR.

FAILURE TO OBSERVE THE FOLLOWING WARNINGS COULD RESULT IN INJURY.

PLACING TOOL IN SERVICE

Always operate, inspect and maintain this tool
in accordance with American National
Standards Institute Safety Code for Portable
Air Tools (ANSI B186.1).

For safety, top performance, and maximum
durability of parts, operate this tool at 90 psig
(6.2 bar/620 kPa) maximum air pressure at the
inlet with 5/16” (8 mm) inside diameter air
supply hose.

Always turn off the air supply and disconnect
the air supply hose before installing, removing
or adjusting any accessory on this tool, or
before performing any maintenance on this
tool.

Do not use damaged, frayed or deteriorated
air hoses and fittings.

Be sure all hoses and fittings are the correct
size and are tightly secured. See Dwg.
TPD905–1 for a typical piping arrangement.

Always use clean, dry air at 90 (6.2 bar/
620 kPa) psig maximum air pressure.  Dust,
corrosive fumes and/or excessive moisture
can ruin the motor of an air tool.

Do not lubricate tools with flammable or
volatile liquids such as kerosene, diesel or jet
fuel.

Do not remove any labels. Replace any
damaged label.

USING THE TOOL

Always wear eye protection when operating or
performing maintenance on this tool.

Always wear hearing protection when
operating this tool.

Keep hands, loose clothing and long hair
away from rotating end of tool.

Anticipate and be alert for sudden changes in
motion during start up and operation of any
power tool.

Keep body stance balanced and firm.  Do not
overreach when operating this tool.  High
reaction torques can occur at or below the
recommended air pressure.

Tool accessories may continue to rotate
briefly after throttle is released.

Air powered tools can vibrate in use.
Vibration, repetitive motions or uncomfortable
positions may be harmful to your hands and
arms.  Stop using any tool if discomfort,
tingling feeling or pain occurs.  Seek medical
advice before resuming use.

Use accessories recommended by ARO.

This tool is not designed for working in
explosive atmospheres.

This tool is not insulated against electric
shock.

The use of other than genuine ARO replacement parts may result in safety hazards, decreased tool
performance, and increased maintenance, and may invalidate all warranties.

Repairs should be made only by authorized trained personnel.  Consult your nearest ARO Authorized
Servicenter.

Содержание RS25A–VLK

Страница 1: ... air hoses and fittings Be sure all hoses and fittings are the correct size and are tightly secured See Dwg TPD905 1 for a typical piping arrangement Always use clean dry air at 90 6 2 bar 620 kPa psig maximum air pressure Dust corrosive fumes and or excessive moisture can ruin the motor of an air tool Do not lubricate tools with flammable or volatile liquids such as kerosene diesel or jet fuel Do...

Страница 2: ...er than a sanding pad with these tools Never use an accessory having a maximum operating speed less than the free speed of the Sander in which it is being used These Sanders will operate at the free speed specified on the nameplate if the air supply line furnishes 90 psig 6 2 bar 620 kPa air pressure at the tool Operation at higher air pressure will result in excessive speed Do not operate this Sa...

Страница 3: ...ter each 160 hours of operation inject one or two strokes of ARO Part 33153 grease through the end of the spindle 27 to lubricate the needle bearing which is in the end of the counterbalance 26 Do not mark any nonmetallic surface on this tool with customer identification codes Such actions could affect tool performance MAIN LINES 3 TIMES AIR TOOL INLET SIZE TO AIR SYSTEM TO AIR TOOL LUBRICATOR REG...

Страница 4: ...1 GRIP RING 2 58 DIA 6 7 8n 9 4 5 2 3 20 19 18 17 n 27 26 25 24 10 n 16 n 15 14 1 23 n 16 22 n 21 n 28 n INCLUDED IN SERVICE KIT NO 49837 INSTALL RETAINING RING 15 AS SHOWN BOWED AWAY FROM BEARING FACE WITH ROUNDED O D ON THIS SIDE 31 NOT SHOWN 48275 1 DUST BAG 49600 VACUUM HOSE 11 ATP 38 4 ...

Страница 5: ...move retaining ring 28 Remove spindle assembly 27 includes bearing NOTE Do not attempt to remove bearing from spindle Remove lock ring 24 and pull motor and seal 19 from hous ing Remove retaining ring 15 Using special brass blocks to fit around o d of cylinder clamp around cylinder and press shaft of counterbalance thru bear ing 16 and end plate 17 Remove blades 21 rotor 20 and key 25 Remove end p...

Страница 6: ...using with hole in valve stem in line with housing to ac cept valve 7 Assemble seat 6 into housing with rounded corners into housing first Coat valve 7 with ARO 29665 spindle oil and assemble into housing securing valve stem 2 Assemble spring 8 into housing Assemble inlet adapter 9 to housing securing throttle com ponents Assemble lever 3 to housing securing with roll pin 4 Assemble eductor assemb...

Страница 7: ...7 NOTES ...

Страница 8: ...PN 49999 500 ...

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