Ingersoll-Rand 8448A1, 8448A3 User Manual
OPERATOR’S MANUAL
SECTION M10
MANUAL 122
INCLUDING:ĂOPERATION,ĂINSTALLATIONĂ&ĂMAINTENANCE Released: 07-20-88
Revised: 09-01-00
Form: 3325-2
MODELS 8448–A1( )–( ) and 8448–A3( )–( )
ORBITAL SANDERS
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.
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.
ARO Tool Products
Ingersoll–Rand Company
1725 U.S. No. 1 North D P.O. Box 8000 D Southern Pines, NC 28388–8000
E 2000 INGERSOLL–RAND COMPANY D PRINTED IN U.S.A.
W ARNING LABEL IDENTIFICATION
FAILURE TO OBSERVE THE FOLLOWING WARNINGS COULD RESULT IN INJURY.
M10
122
WARNING
Always wear eye protection
when operating or performing maintenance on this
tool.
WARNING
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.
90 psig
(6.2bar/620kPa)
WARNING
Always wear hearing
protection when operating
this tool.
WARNING
Do not carry the tool by
the hose.
Operate at 90 psig (6.2 bar/
620 kPa) Maximum air pressure.
WARNING
Keep body stance balanced
and firm. Do not overreach
when operating this tool.
SANDER SPECIFIC WARNINGS
• Use only a sanding pad, buffing wheel or
polishing bonnet with these tools. Do not use
any grinding wheel, bur or metal removing
accessory other 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 Sander away from the
work surface.
• Check for excessive speed and vibration
before operating.
• Do not use this tool if actual free speed
exceeds the nameplate rpm.
• Never exceed the rated rpm of tool.
WARNING
• Repeated prolonged operator exposure to
• When using a pad having a shank, insert the
• Always use the recommended ARO Guard
WARNING
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.
WARNING
Do not use damaged, frayed
or deteriorated air hoses
and fittings.
WARNING
WARNING
Read the manual before
operating this tool.
Operate at 90 psig/6.2 bar max.
PN 48176–1 LABEL
(NON–EU MODELS)
This label must appear on the tool at all times. If it is lost or
damaged, a replacement label is available at no cost.
vibrations which may be generated in the use
of certain hand–held tools may produce
Raynaud’s phenomenon, commonly referred
to as Whitefinger disease. The phenomenon
produces numbness and burning sensations
in the hand and may cause circulation and
nerve damage as well as tissue necrosis.
Repetitive users of hand–held tool who
experience vibrations should closely monitor
duration of use and their physical condition.
shank to full depth in the collet. When using a
pad on a threaded arbor, make certain the
flange nut is tightened securely. Check the
tightness of the collet nut or flange nut before
operating a Sander to make certain it will not
loosen during operation.
furnished with the Sander.
PN 49883 LABEL
(–EU MODELS)
2
LUBRICATION
M10
122
Where Used
Air Motor
‘‘O” Rings & Lip Seals
Gears and Bearings 33153 5 lb. ‘‘EP” – NLGI
ARO Part # Description
29665 1 qt. Spindle Oil
36460 4 oz. Stringy
Lubricant
#1 Grease
Always use an air line lubricator with these tools.
We recommend the following Filter–Lubricator–
Regulator Unit:
ARO Model C28231–810
Every 8 hours of tool operation – Fill lubricator
reservoir of recommended F.R.L. with spindle oil
(29665). If an in line or air line lubricator is not used,
apply several drops of spindle oil (29665) in air inlet.
After each 160 hours of tool operation, Flush tool with
a solution of three (3) parts cleaning solvent to one (1)
part spindle oil.
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
REGULATOR
BRANCH LINE 2 TIMES
AIR TOOL INLET SIZE
DRAIN REGULARLY
FILTER
COMPRESSOR
(Dwg. TPD905–1)
3
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