Apollo 8
Belt Sander
Operator's
Manual
READ THIS BOOK
This book has important information for the use and safe operation of this machine. Failure to read
this book prior to operating or attempting any service or maintenance procedure to your ALTO
machinecouldresultininjurytoyouortootherpersonnel;damagetothemachineortootherproperty
could occur as well. You must have training in the operation of this machine before using it. If you
cannot read English, have this manual explained fully before attempting to operate this machine.
Si Ud. o sus operadores no pueden leer el Inglés, se hagan explicar este manual completamente
antes de tratar el manejo o servicio de esta máquina.
All directions given in this book are as seen from the operator’s position at the rear of the machine.
For new books write to: ALTO U.S. INC., 2100 Highway 265, Springdale, Arkansas 72764.
Form No. 70141A 12/00
AMERICANSANDERSTECHNOLOGY
Printed in the U.S.A.
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OPERATOR SAFETY INSTRUCTIONS
WARNING
AVERTISSEMENT
ADVERTENCIA
DANGERmeans:
WARNINGmeans:
CAUTIONmeans:
Severe bodily injury or death can occur to you or other personnel if the DAN-
GER statements found on this machine or in this Owner's Manual are ignored
or are not adhered to. Read and observe all DANGER statements found in this
Owner's Manual and on your machine.
Injury can occur to you or to other personnel if the WARNING statements
found on your machine or in this Owner's Manual are ignored or are not
adhered to. Read and observe all WARNING statements found in this Owner's
Manual and on your machine.
Damage can occur to the machine or to other property if the CAUTION state-
ments found on your machine or in this Owner's Manual are ignored or are not
adhered to. Read and observe all CAUTION statements found in this Owner's
Manual and on your machine.
DANGER:
Failure to read the Owner's Manual prior to operating or attempting any service or mainte-
nance procedure to your American Sanders Technology machine could result in injury to
you or to other personnel; damage to the machine or to other property could occur as well.
You must have training in the operation of this machine before using it. If you cannot
read English, have this manual explained fully before attempting to operate this
machine.
DANGER:
Sanding/finishing wood floors can create an environment that can be explosive. The
following safety procedures must be adhered to:
•
Cigarette lighters, pilot lights and any other source of ignition can create an explosion
when active during a sanding session. All sources of ignition should be extinguished or
removed entirely if possible from the work area.
•
Work areas that are poorly ventilated can create an explosive environment when certain
combustible materials are in the atmosphere, i.e., solvents, thinners, alcohol, fuels,
certain finishes, wood dust and other combustible materials. Floor sanding machines
can cause flammable material and vapors to burn. Read the manufacturer's label on all
chemicals used to determine combustibility. Keep the work area well ventilated.
•
•
Spontaneous combustion or an explosion can occur when working with sanding dust.
The sanding dust can ignite and cause injury or damage. Sanding dust should be
disposed of properly. Always empty the sanding dust into a metal container that is
located outside of any building(s).
Remove the contents of the dust bag when the bag is 1/3 full. Remove the contents of
the dust bag each time you finish using the machine. Never leave a dust bag unattended
with sanding dust in it.
•
•
Do not empty the contents of the dust bag into a fire.
Hitting a nail while sanding can cause sparks and create an explosion or fire. Always
use a hammer and punch to countersink all nails before sanding floors.
DANGER:
Operating a machine that is not completely or fully assembled could result in injury or
property damage. Do not operate this machine until it is completely assembled. Keep
all fasteners tight. Keep adjustments according to machine specifications.
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Page
3
DANGER:
DANGER:
DANGER:
DANGER:
Electrocution could occur if maintenance and repairs are performed on a unit that is not
disconnected from the power supply. Disconnect the power supply before attempting any
maintenance or service.
Electrocution could occur if machine is used on ungrounded electrical circuit. Never remove
or disable the grounding supply conductor on the electrical cord. Consult an electrician if the
grounding conductor is missing or if you suspect your circuit is not grounded properly.
Use of this machine with a damaged power cord could result in an electrical shock. Do not
use the machine if the power cord is damaged. Do not use the electrical cord to move the
machine.
Electrocution or injury could occur if the power cord is run over or damaged by the sander.
Keep the cord free from under the machine to avoid contact with the sandpaper. Always lift
the power cord over the machine.
DANGER:
DANGER:
DANGER:
DANGER:
WARNING:
WARNING:
Moving parts of this machine can cause serious injury and/or damage. Keep hands, feet and
loose clothing away from all moving parts of the sander.
Operating a sander without all guards, doors or covers in place can cause an injury or damage.
Always check to make sure that all of the guards, doors and covers are secure and in place.
Injury to the operator or bystanders could occur if the machine's power is on while performing
maintenance, changing or adjusting the belt, or changing the dust bag.
Attempting to adjust the belt tracking while the machine is on can cause injury and/or damage.
Do not perform belt tracking adjustments while sanding equipment is running.
Fire could occur if the machine is used on a power circuit that repeatedly trips or is undersized.
Have a licensed electrician check the fuse, circuit breaker or power supply.
Failure to read and observe all safety statements found on your machine or in this Owner's
Manual can result in serious injury or damage. Read and observe all safety statements. Make
sure that all labels, decals, warnings, cautions, and instructions are fastened to the machine.
Get new labels from your authorized American Sanders Technology distributor.
WARNING:
WARNING:
WARNING:
In the event of a bag fire, injury can occur to the operator if the operator is tied or strapped to
equipment. Use operating belt properly ( follow procedure on page 8).
Injury to the operator or bystander can occur if protective gear is not worn while sanding.
Always use eye, ear, and respiratory protection while performing any sanding operation.
Bodily injury could occur if power is applied to the machine with the power switch already in
the "ON" position. Always check to assure that the power switch is in the "OFF" position
before connecting power supply.
CAUTION:
Maintenance and repairs performed by unauthorized personnel could result in damage or
injury. Maintenance and repairs performed by unauthorized personnel will void your warranty.
Servicing of this unit must always be referred to an authorized American Sanders Technology
distributor.
CAUTION:
CAUTION:
CAUTION:
CAUTION:
Use of this machine to move other objects or to climb on could result in injury or damage. Do
not use this machine as a step or furniture. Do not ride on this machine.
Damage could occur to the machine if not properly kept in a dry building for storage. Store
the machine in a dry building.
The machine is heavy. When transporting the machine, remove the motor. Get help to lift
the machine and motor.
Serious damage to the floor can occur if the machine is left running in one spot while the
sanding drum is in contact with the floor. To avoid damage to the floor, feather cut in at a normal
sanding rate. Do not dwell while lowering or raising the contact wheel. Always sand at a
constant rate.
Page
4
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Introduction and Machine Specifications
MODEL
07065B
07069C
CONTACTWHEELSPEED(rpm)*
ABRASIVESPEED
DUSTFANSPEED(rpm)*
DUST FAN FLOW
MOTOR
2700
4700 *sfm
6800
234*(cfm)
4 hp 208-230V 60Hz 16A
Replaceable3½"O.D.
291/2" x 7 7/8"
2250
24 meters per second
5670
92 liters per second
2.2kW 240V 50Hz 12A
9 cm
WHEELS
ABRASIVESIZE
75cm x 20cm
LEVELINGCONTROL
OPERATINGCONTROL
MOTORSTARTER/PROTECTOR
SANDINGPRESSUREADJMT.
BEARINGS
Externallyadjustable
Adjustablelever/grip
Magneticcircuitbreaker
Heavy,Medium,Light
Radialball,permanentlylubricated
DIMENSIONS
401/2" L x15" Wx 36 3/4" H
103cm x 38cm x 93 cm
WEIGHT
214 lbs.
97 kg
NOPTENOTE:*rpm(Revolutionsperminute)
*sfm (Surface feet per minute)
*cfm (cubic feet per minute)
CAUTION: Your equipment may be inappropriate on some installations. Some softer
woods used in flooring cannot support the pressure created by hard wheels.
Always consult with the flooring manufacturer on the proper installation, prepa-
ration, and finishing of their product. Determine suitability of your equipment in
preparing the product.
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
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230V Electrical Connection Instructions
CAUTION: This machine will operate only on
ACfrequencyandonelectricalvolt-
age shown on the motor name-
plate. Make sure you have the
correct frequency and voltage be-
fore connecting the power cord to
an outlet. The machine has a plug
as shown in figure #1.
This machine must be connected to an electrically
groundcircuitinordertoprotecttheoperatorfromelectric
shock. This machine has an approved power cord with
three conductors as well as a plug with three terminals.
Connect the plug into a three holed receptacle. For
maximumprotectionagainstelectricshock,useacircuit
that is protected by a ground fault circuit interrupter.
Figure1
DANGER:
Electrocution could occur if the
machine is exposed to water or
rain. Keep the machine in a dry
building.
DANGER:
Electrocution could occur if ma-
chine is improperly connected to
the electrical system. To prevent
possibleelectricshock,alwaysuse
a 3-wire electrical system con-
nectedtoanelectricalground. For
maximum protection against elec-
trical shock, use a circuit that is
protected by a ground fault circuit
interrupter. Consult your electri-
cal contractor.
ExtensionCords
Useonlyanapprovedthree-prongedextensioncordwith
twomainconductorsandoneearthingconductor. This
machine’spowercordhasawiresizeof10gauge. This
machine is equipped with a 100' power cord. When
greaterrangeisneededfollowthetablebelowtodeter-
mine cable gauge of additional footage. Refer to the
followingchartforextensioncordinformation.
DANGER:
Electrocution could occur if the
ground pin is tampered with in any
way. Do not cut, remove, or break
the ground pin. Do not try to fit a
three-terminal plug into a recep-
tacleorconnectorbodyotherthan
a three plug receptacle or connec-
tor body. If the outlet does not fit
the plug, consult your electrical
contractor.
Feet/Wire Guage (Stranded Copper)
Source Voltage
0 - 100'
100 - 250'
Use Voltage
Booster
208
6
DANGER:
Electrocution could occur if the
machine is used with a damaged
plug or power cord. If the cords or
plugs are worn or damaged in any
way, have them replaced by an
authorized service person or elec-
trician.
230
10
8
Ifmotorappearstolaborortakesaconsiderablylonger
time to come up to speed, reduce sanding pressure.
Page
6
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How to Transport the Machine
WARNING: The machine is heavy. Remove
the motor from the machine
before transporting. Get help
loading the machine and motor.
Use proper lifting techniques.
Transporting the Machine - One Person
To transport the machine, follow this procedure:
1. Make sure the power cable is disconnected from
the electrical outlet.
Figure2
2. Disconnect the handle pigtail cord connection.
(twist and pull) See figure #2.
3. Loosen the belt tension T-screw completely.
4. Grasp the belt guard immediately above the left
hand truck wheel and pull to gain access to the
drive belts. Remove the drive belts. See
figure#3.
5. Unscrew the motor mounting knob clear of the
counterbore on chassis. See figure #4.
6. Straddle the machine. With your legs, lift the
motor off of the chassis. Take the motor to
worksite.
7. Lift the chassis by grasping the front and rear
handle. Bring the belt guard against your chest.
Take the chassis to worksite.
Figure3
To assemble the machine after transporting, follow
thisprocedure:
1. Open the belt guard door.
2. Place the motor assembly on the chassis.
3. Screw the motor mounting knob until it stops.
See figure #4.
4. Install the drive belts.
5. Tighten the belt tension T-screw only until the
contact drive wheel belt does not squeal upon
start up (approximately 1/2" deflection at center of
span with 10 lbs. of pressure.) Do not over
tighten.
CAUTION:
Premature bearing failure can
occur if the fan belt is set too
tight. The fan belt should
Figure4
deflect ½" at the center of the
span with 5 lbs. of pressure.
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Page
7
How to Transport the Machine
(cont.)
Note: It is not necessary to adjust the fan belt
independentlyduringthisprocedureorduring
replacement. The idler pulley is factory adjusted.
6. Close the belt guard door.
7. Plug the motor pigtail in, twisting to lock.
Transporting the Machine - Two People
When transporting the machine with two people
followthisprocedure.
Figure5
1. One operator places hands under the front of the
machines main casting.
2. Person #2 lifts the machine by the handle.
Machine Set-Up
To set-up your machine follow this procedure:
1. Familiarize yourself with the machine and read all
danger, warning and caution statements. Make
sure all operators of this machine have read this
Owner's Manual. If they cannot read English, have
themanualexplainedfullybeforeallowinganyone
to operate the sander.
Figure6
2. Locate the power supply. The receptacle should
be compatible with the plug. The receptacle must
be grounded and must be fused (30 amp) to avoid
an electrical hazard.
3. Clip the dust bag to the elbow. See figure # 5.
Cross the strings on the dust bag and draw tight
over the flare on the elbow. Wrap the string around
the elbow and secure.
4. Wind the power cord through the cable arm. See
figure #6. Keep the power cord out of path of
equipment.
5. Pull the draw latch forward to release the access
door to gain entry to the sanding chamber.
6. Rotate the release lever forward. See Figure #7.
Figure7
Page
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7. Install a new abrasive belt by sliding the abrasive
over the tension roller and contact wheel. See
figure#8.
8. Rotate the release lever upward and back to
tighten the abrasive belt.
9. Make sure the motor circuit breaker is in the "Off"
position. Plug the pigtailed power cord into the
handle. Twist the cord connection clockwise to
lock.
10. Jog (turn on momentarily) the motor circuit
breaker while observing the belt tracking. Follow
the procedures outlined in the "Sander Adjust-
ment Procedures" on page 13 to correct the belt
tracking. There is also a label on the inside of
the access door that outlines the belt adjust-
ment.
11. Close the access door. Place the end of the
draw latch over the keeper on the access door
and push the draw latch flat against the main-
frame to secure.
Figure8
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
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How to Operate the Machine
To operate the machine follow this procedure:
DANGER:
Sanding/finishing wood floors
can create an environment
that can be explosive. Ciga-
rette lighters, pilot lights and
any other source of ignition
can create an explosion when
active during a sanding ses-
sion. All sources of ignition
should be extinguished or
removed entirely if possible
from the work area.
1. Before sanding, decide on best approach for
sanding desired area. If the floor is uneven, it
may be necessary to sand diagonally to the
direction that the floor is laid. This will help
"pull" or stretch low and high spots in the floor
over a greater area, producing a flatter surface.
When sanding the area, work in a way so that
you are moving away from where the cord set
enters the room. This will help to avoid entangle-
ment with the cord set and eliminate the need to
move the cord set out of the way so frequently.
DANGER:
Work areas that are poorly
ventilated can create an
explosive environment when
certain combustible materials
are in the atmosphere, i.e.,
solvents, thinners, alcohol,
fuels, certain finishes, wood
dust and other combustible
materials. Floor sanding
machines can cause flam-
mable material and vapors to
ignite. Read the manufac-
turer's label on all chemicals
used to determine combustibil-
ity. Keep the work area well
ventilated.
Work the area in a way that avoids interruption or
termination points ( an end of pass.) Make long
continuous passes.
2. Swing cable arm to side of machine opposite the
direction you intend to work. Rotate elbow on
dust pipe until dust bag rest on motor. This will
maintain balance and sanding pressure as the
dust bag fills. The machine should be operated
with the dust bag in this position whenever
possible.
3. Install the operating belt as follows:
a. Position the operating belt around waist.
b. Cross the straps at the waist. See figure #9.
c. Slide the belt loop end over the handle on the
control lever side. Adjust the length as
needed.
DANGER:
Sanding dust can spontane-
ously ignite and cause an
injury or damage. Sanding
dust should be disposed of
properly. Always empty the
sanding dust into a metal
container. Remove the con-
tents of the dust bag when the
bag is 1/3 full.
d. Wrap the remaining strap around the oppo-
site side of the handle and hold it in place
with your hand.
WARNING: Serious operator injury could
occur if the operator has tied or
strapped the loose end of the
operator's belt strap to the ma-
chine. Alwayswrapthestrapso
that you can let go and get away
quickly in case of bag fire or
explosion.
DANGER:
Sanding dust can spontane-
ously ignite and cause an
injury or damage. Remove the
contents of the dust bag each
time you finish using the
machine. Always dispose of
the dust in a metal container
located outside of the building.
Never leave a dust bag unat-
tended with sanding dust in it.
Do not empty the contents of
the dust bag into a fire.
4. Turn the control switch to the "On" position.
CAUTION: To prevent damage to the floor,
make sure the machine is in
motion when the contact wheel
is engaged with the floor.
DANGER:
Hitting a nail while sanding
can cause sparks and create
an explosion or fire. Always
use a hammer and punch to
countersink all nails before
sandingfloors.
5. Feather-cut in by easing the contact wheel down
onto the surface with the control lever while the
sander is in motion.
Page 10
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6. When contact wheel is fully engaged with the
surface, gradually adjust your pace for adequate
finish removal. Keep sander in motion while the
contact wheel is engaged with the surface or
dwell marks will occur.
7. Move the machine in the direction of the grain in
the wood whenever it is possible. Sand the
surface at a constant pace.
8. Gradually feather-cut out at the termination point
by easing the contact wheel up with the control
lever.
9. Repeat technique described in steps 5, 6, 7, and
8 and sand back down pass just made. When
completed, begin a new pass by overlapping
previous pass half the width of the abrasive.
Stagger termination points to prevent a distinct
ridge and a better blend when edging.
Figure9
10.Empty contents of the dust bag into a metal
container located outside the building. Dust bag
should be emptied whenever full, as indicated on
bag.
WARNING:
Do not overfill dust bag or seri-
ous fire may result. Never leave
adustbagcontainingdustunat-
tended. Sandingdustcanspon-
taneouslyigniteandcauseafire
or explosion. Use only genuine
American Sanders Technology
replacement bags.
CAUTION:
An overfilled dust bag may ef-
fect machine balance and per-
formance. Do not handle or
disturbdustbagandelbowwhile
sanding or damage to the floor
may occur.
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Page 11
Sanding Cuts and Sandpaper
InitialCut
Final Cuts
The purpose of the initial cut is to remove old finish
and gross imperfections on the floor surface. The
sanding equipment should be adjusted to heavy
sanding pressure setting and a coarse abrasive
belt should be used. If the surface is severely
damaged by deep scratches, preexisting dwell
marks, uneven planks, etc., it may be necessary
to sand across or diagonally to the grain to restore
evenness to the surface. If these conditions are
not present, the initial cut should be done in the
direction of the grain.
The purpose of a finishing cut is to remove the
scratches produced during the initial cut. Use a
fine (60 - 80 grit) grain abrasive and a reduced
sanding pressure setting.
If the surface remains rough after a finishing cut, it
may be necessary to use an even finer grain of
abrasive (80 - 100 grit). Care should be taken in
selecting the grit size of the abrasive. A very fine
grain will close the pores on a wood floor making
admission of a stain difficult.
If glazing, loading, or burning takes place immedi-
ately into an initial cut, select a coarser abrasive.
If this should occur during an initial cut, the
abrasive has dulled and must be replaced.
If glazing or burning should occur immediately into
a finishing cut, reduce the sanding pressure. If it
should occur during a finishing cut, the abrasive
has dulled and must be replaced.
Abrasive Belts
Note: All part numbers listed are for a carton of 10 belts
Aluminum
Oxide
Silicon
Carbide Alum.Oxide
Ceramic
Grain
Use
16 grit
Forremovinggrossimperfectionsandrestoreevenness
-
945844
-
to old flooring. To remove build-up of paints and varnishes.
36 grit
40 grit
50 grit
For first sanding of new flooring (maple, oak). For removing
minor imperfections and finishes from old flooring.
-
-
-
945842
945841
945840
945901
945902
945903
For first sanding of new flooring (oak, walnut). For removing
minor imperfections and finishes from old flooring.
For first sanding of new flooring (cedar, pine, fir)
For cleanup of 16 grit.
60 grit
80 grit
For cleanup from initial cut 36 - 40 grit.
945839
945838
-
-
945904
945905
For final sanding of certain hardwoods. For cleanup
of initial cuts (50 grit).
100grit
For final sanding of certain hardwoods where a smooth
surface is desired.
945837
-
945909
120grit
150grit
For final sanding of certain conifers.
945836
945835
-
-
945910
945911
For final sanding of certain conifers where a smooth
surface is desired.
180grit
For surface roughing between coats of finish.
945834
-
-
Page 12
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Chatter Wave Prevention
American Sanders are designed and manufactured to the
most rigid tolerances. However, after a finishing cut it is
possible to see “chatter” or “waves”.
The best guarantee to remove the chatter is to finish the floor
with a rotating horizontal sander, such as American Sanders
Technology’s Sander 16.
To minimize chatter when using a belt or drum sander the
following steps should be taken:
1. DRUM MARKS...are caused by the operator lowering the
drum to the floor without forward traverse. These marks
should be removed by cutting at a 45 degree angle to the
mark. Cutting at the mark while maintaining the same
path will only increase the mark depth and width.
See figure #10.
2. UNEVEN WALKING SPACE...can leave lengthy “waves”.
The machine cuts more material during the slower pace.
Pay particular attention to a steady, even pace.
3. EXCESSIVE LIGHT CUTS...may reveal high spots on the
paper/contact wheel and cause chatter. Take a heavier
cut and increase the pace.
Figure10
4. DEBRIS...lodged between the paper and the drum will
leave chatter. On a belt sander, debris may be adhered
to the drum. Insure the drum is clean and free of debris
before placing the paper on.
5. ABRASIVE QUALITY...may vary. Belt seams can be
thicker on low quality paper and cause chatter. Use only
American Sanders Technology specified sandpaper.
Store abrasive according to manufacturers recommen-
dation.
PROPER CARE OF YOURMACHINECAN MINIMIZE
CHATTERANDWAVES.
5. BEARINGS...in the motor, drum, or fan system
may become worn and induce vibration which
could cause “chatter”.
1. V-BELTS...can cause vibration and chatter if they are of
low quality. Use only belts specified by American
Sanders Technology.
6. PULLEYS...that are damaged or severly worn can
induce vibration and cause “chatter”. Contact your
American Sanders Technology dealer for assis-
tance.
2. TRUCK AND CASTER WHEELS...with flat spots, out-of-
roundness, or debris adhered to their surface can cause
“waves” or a “chatter effect”. Always clean and inspect
all wheels before starting to sand, and before the finish
cut. Replace or true the wheels if found to be out-of-
round. Never allow the sander to stand on hard
surfaces for lengthy periods of time.
7. SANDPAPER TENSION...should always be
released when the machine is shut off for 10
minutes or longer to avoid compression of the
drum.
3. DUST PICK-UP SHOES...may need adjusted differently
for different materials that are to be sanded. An improp-
erly adjusted shoe will leave trailing debris that will be
run over by the wheels and cause “random waves”.
NOTE: American Sanders Technology is not
responsibile for rework of floors that are
unacceptable to the customer. It is your
responsibility to insure your equipment is in
proper operating order, and that you use the
right machine for the job.
4. CONTACT WHEELS (DRUMS)...may be out-of-round and
cause “chatter”. Contact your American Sanders
Technology dealer for assistance to true or replace the
drum.
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
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Sander Adjustment Procedures
DANGER:
Electrocution could occur if main-
tenance and repairs are performed
on a unit that is not properly dis-
connected from the power source.
Disconnect the power supply be-
fore attempting any maintenance
or service.
DANGER:
Moving parts of this machine can
cause serious injury and/or dam-
age. Keep hands, feet and loose
clothing away from all moving parts
of the sander.
Thefollowinginformationprovidesdetailsonhowto
adjustdifferentfeatures/controlsofthesander.
Dust Shoe
To adjust the dust shoe follow this procedure:
1. Disconnect machine from power supply.
2. Loosen the two screws fastening the dust shoe to
the chassis.
3. Adjust the dust shoe down to reduce clearance.
4. Adjust the dust shoe up to increase clearance.
Figure11
5. Align the dust shoe to the chassis and tighten
screws. See figure #11.
Sanding Pressure
There are three pressure settings to select from:
heavy, medium and light. The lower the position the
heavier the setting. To change settings, raise the
lever and place in desired position. See figure #12.
Leveling
CAUTION:
The belt tracking maybe adversely
effected if machine is operated
unleveled.
Figure12
Page 14
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The machine is factory set and no adjustments should
be necessary. After any maintenance is performed to
the carriage system, pointer must be returned to original
mark (See figure 13).
If it is necessary to reset level after replacing wheels
follow this procedure:
1. Lower contact wheel and loosen all three clamp-
ing nuts.
2. Drive adjusting screw in, to sand heavier on the
left (the drive belt side). Back adjusting screw
out, to sand heavier on the right (the side
opposite the drive belts). Make sure the bearing
carrier follows the adjusting screw.
Figure13
3. Tighten the clamping nuts and test setting on an
even surface. Make further adjustments if
necessary.
4. Mark new pointer location on main frame
Belt Tracking
WARNING:
Injury to the operator could
occur if any machine adjust-
ments are made while the
motor is running. Do not
attempt to make any adjust-
ments while the machine is
plugged in or running.
To adjust the belt tracking follow this procedure:
1. Locate the belt tracking adjuster screw. See
figure#14a.
Figure14
2. Hold the belt tracking adjuster screw and loosen
the locknut. See figure #14b.
3. Rotate the tracking adjuster screw counterclock-
wise to move the belt in.
4. Rotate the tracking adjuster screw clockwise to
move the belt out.
5. Test adjustment and tighten the locknut.
Operating Control
To increase the travel or extend the reach on the grip
control follow this procedure:
1. Hold the control rod and loosen the locknut. See
figure15.
2. Screw the control rod in until the desired reach
Figure15
is found.
3. Tighten the locknut.
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
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Sanding Adjustment Procedures (CONT)
To decrease the travel or reduce the reach on the
grip control follow this procedure:
1. Hold the control rod and loosen the locknut. See
figure#16.
2. Screw the control rod out until desired reach is
found.
3. Hold the control rod and tighten the locknut.
Routine Maintenance
The following items need to be periodically inspected
and maintained to keep your sander in good working
condition.
Sanding Chamber
Periodically blow out the sanding chamber to prevent
large accumulations od 1prhiswhiachcouoldaintrferet
Page 16
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
Bearings
Periodically check the bearings for wear or damage
according to the following schedule:
Guiderollers
Idlerpulley
Fan shaft
Tensionroller
Arbor shaft
Motor shaft
after 1st 650 hrs.
after 1st 1500 hrs.
after 1st 2500 hrs.
after 1st 2500 hrs.
after 1st 5000 hrs.
after 1st 5000 hrs.
Rollers
Periodically check the guide rollers and the tension
rollerforwear.
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Troubleshooting
Problem
Cause
Action
Drive belts slip.
(Squeaking or squealing sound)
Insufficient tension.
Tension drive belt as described in
adjustment procedures. (See pg. 7)
Worn belts.
Replace belts.
Squealing, growling or grinding
noise coming from machine.
Damaged and/or worn bearing.
Remove drive belts, rotate arbor
motor, fan, shafts and idler pulley to
locate dragging or rough bearing.
Contact an authorized ALTO dealer.
Dust pickup is poor.
Dust bag is over 1/3 full.
Dust bag is dirty.
Empty contents of bag.
Shake debris from bag and wash.
Dust shoe is improperly adjusted. Readjust dust shoe.
Dust chute is obstructed.
Defective motor starter.
Remove fan cover and clear throat.
Motor will not start.
Contact an authorized ALTO dealer.
Contact an authorized ALTO dealer.
Contact an authorized ALTO dealer.
Defective start capacitor.
Defective electronic start switch.
Low voltage from poor connection. Contact an authorized ALTO dealer.
Defective motor.
No power.
Contact an authorized ALTO dealer.
Check power supply and
connections.
Motor runs sluggishly.
Low voltage from excessive
footage, undersized extension
cord, or poor connection.
Locate power source nearer to work
site. Decrease sanding pressure.
Defective run capacitor.
Defective motor.
Contact an authorized ALTO dealer.
Contact an authorized ALTO dealer.
Contact an authorized ALTO dealer.
Contact an authorized ALTO dealer.
Contact an authorized ALTO dealer.
Motor circuit breaker trips/
repeatedly trips.
Excessive load.
Defective electronic start switch.
Defective motor starter.
Low voltage from poor connection. Contact an authorized ALTO dealer.
Defective motor.
Contact an authorized ALTO dealer.
Contact an authorized ALTO dealer.
Readjust leveling. Fig. 13 page 15.
Defective capacitor.
Leveling out of adjustment.
Abrasive belt tracking.
Uneven cuts.
Adjust belt to track towards the edge
of drum with deepest cut.
Page 18
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Troubleshooting
Problem
Cause
Action
Burning or glazing.
Dull abrasive.
Replace abrasive.
Excessive sanding pressure.
Decrease sanding pressure setting.
(Fig. #12, page 14).
Too fine of an abrasive belt.
Dull abrasive.
Use coarser abrasive.
Replace abrasive.
Slow cutting.
Too fine of an abrasive belt.
Insufficient sanding pressure.
Use a coarser abrasive belt.
Increase sanding pressure setting.
(Fig. #12, page 14).
Waves on sanded surface.
Debris on wheels.
Flat spot on tire(s).
Remove and clean wheels.
Replace tires.
Chatter marks on sanded surface. See Chatter Wave Prevention,
(Close evenly spaced ripples) page 13.
See Chatter Wave Prevention,
page 13.
Difficult to actuate tension release Debris interferes with mechanism Blow out sanding chamber.
lever.
Remove and disassemble
mechanism. Clean out.
Worn sleeve bearing.
Galled linkages.
Replace.
Lubricate with WD-40.
Abrasive belt hunts (seeks).
Abrasive belt will not track.
Worn washers.
Replace (items #84 & 88, pg. 20,21).
Check for excessive play, replace.
Worn sleeve bearing.
High edges on contact wheel.
Contact an authorized ALTO dealer
or replace the contact wheel.
Extreme difference in side-to-side Replace abrasive belt.
length of belt.
High edge on contact wheel.
Check several different abrasive
belts. Contact an authorized ALTO
dealer or replace the contact wheel.
Abrasive belt tears along its
length.
Debris built-up on (top) tension
roller.
Clean tension roller.
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Page 19
AMERICANSANDERSTECHNOLOGY
Apollo 8 Belt Sander
Assembly Drawing #1 12/00
10
38
5
11
4
6
9
8
12
1
7
3
50
13 14
16
15
2
9
1
17
Note
parts
18
19
20
*68
21
57
58
22
23
24
25
59
56
9
26
55
27
16
28
14
54
42
46
47
18
9
29
65
63
30
31
32
65
62
61
60
66
31
33
34
5
45
67
44
36
36
53
64
41
39
52
48
35
39
41
65
36
43
53
39
41
43
39
36
Page 20
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
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AMERICANSANDERSTECHNOLOGY
Apollo 8 Belt Sander
Assembly Parts List #1 12/00
Ref No. Part No
Description
Qty
Ref No. Part No Description
Qty
1
2
3
4
5
6
7
8
9
85517A
55710A
77057A
Screw, 10-24 x ½ PN
Latch
Label, Belt Tracking
5
1
1
1
2
1
1
1
11
1
1
1
3
2
1
2
1
2
1
1
1
1
1
1
1
4
1
1
1
1
2
1
1
1
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68**
60101A
87003A
50933A
962988
902606
Ref. only
747304
87700A
19611A
920196
833401
82504A
60514A
19610A
87029A
87000A
50837A
67862A
67810A
21401A
68010A
81215A
815051
64467A
920110
87030A
81106A
68674A
Page 11
87101A
85729A
67890A
962184
Axle, Caster
Washer
1
4
1
1
10
2
8
1
2*
1
1
1
1
3*
1
3
1
3
2
1
3
3
1
1
1
1
1
1
Ref
1
3
2
2
Retainer, Spring
Screw, ¼-20 x 1¼
Bearing
Hub (included in Ref. #43)
Ring, Retaining
Screw, ¼-20 x ½
Wheel Asm, Rear Caster
Nut, ½ -13
Spacer
Pin, Clevis, 5/16 x ¾
Axle,Truck
Asm. Truck Wheel
Washer ¾
Washer, Flat
22302AK Door Access
50765A
66545A
61411A
86206A
962823
60015A
58691A
60014A
86112A
51190A
57714A
66972A
67464A
65309A
51172A
61641A
51171A
57844A
66189A
87034A
962244
86110A
81209A
Wheel, Contact
Pin Access Door
Pad, T-Screw
Screw, Set, ¾-10 x 3
Screw, ¼-20 x ½ PN
Lever, Pressure Adj.
Spring, Pressure
Bracket, Pressure Adj.
Screw 3/8 -16 x 3/4
Bearing
Ring, Retaining ¾" Dia.
Retainer, Bearing
Shaft, Arbor
Key, ¼ x 7/8
Bearing
Carrier, Bearing
Bearing
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Spring, Compression
Spacer
Spacer
Carrier, Bearing
Stud, 3/8-16 x 3/8-24 x 1½
3
Ring, Retaining
Pulley, Drum
Retainer, Pulley
Screw, 3/8 -16 x x ¾"
Screw, 3/8 -16 x 1
Nut, ½-13 Flanged
Nut, /8-24 Serrated Flange
Knob
Lever, Release
Nut, 5/16-18 ESNA
Retainer, Drum
Nut, ¾-10
Plate, Drum, End
Abrasive
Washer, ½ Lock
Shaft Wheel
Spacer Wheel
Screw Set ¼-20 x 3/8
Tension Assembly
23423CK Frame, Truck
66913A
67812A
51112A
67821A
60715B
Retainer, Bearing
Spacer
Bearing
Spacer
Bolt, Pivot
29403CK Yoke, Wheel
1
Note: Kindicates a change has taken place since last publication
of this manual
Note: *Includes Hub and Tire (Machined)
Note: **Tension Asm. breakdown and parts list on page 22 & 23
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
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AMERICANSANDERSTECHNOLOGY
Apollo 8 Belt Sander
Tension Assembly Drawing 10/00
1
2
1
8
26
2
Page 22
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
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AMERICANSANDERSTECHNOLOGY
Apollo 8 Belt Sander
TensionAssemblyPartsList10/00
Ref No. Part No
Description
Qty
9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
747380
902567
67201B
920296
81102A
80020A
14701A
81501A
66537A
50772A
50773A
797301
53410A
50719A
961014
61804A
65709A
80018A
87502A
87503A
50770A
81303A
60150A
50771A
67465A
980018
Retaining Ring /16
Bearing
Roller
Nut, 10-24
Nut, ¼-20
2
2
1
3
2
1
2
4
1
1
1
1
1
1
2
1
1
2
4
4
2
1
1
1
1
1
Shoulder Bolt, ¼ x 1
Guide, Roller Asm.
Pushnut ¼
Pin
Draw Weldmt.,Lever
Support, Tension Arm
5
Retaining Ring /8
Spring, Tension
Boot, Tension Spring
Shoulder Bolt, ¼ x 3/8
Cam Weldment
Connecting Link
Shoulder Bolt, ¼ x ¼
Washer, ¼ Bowed
Washer ¼ Beveled
Draw Link
Nut, ¼-28 Jam
Aduster, Tracking
Carriage, Roller
Shaft, Roller
Washer, Nylon
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Page 23
AMERICANSANDERSTECHNOLOGY
Apollo 8 Belt Sander
Assembly Drawing #2 12/00
12
4
22
21
23
24
25
13
20
19
6
11
3
76
7
10
18
17
16
2
8
9
15
14
1
27
31
26
30
29
72
21
73
32
33
34
35
71
36
38
37
70
39
40
41
42
43
69
67
63
44
64
55
66
52
68
65
62
45
58
59
74
54
56 57
53
60
75
50
61
51
50
46
50
47
48
49
Page 24
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
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AMERICANSANDERSTECHNOLOGY
Apollo 8 Belt Sander
Assembly Parts List #2 12/00
RefNo Part No.
Description
Qty
RefNo Part No.
Description
Qty
39
40
41
42
43
44
45
65302A
67445A
85813A
51111A
877304
66169A
80017A
Key
Shaft, Fan
Screw, /16-18 x 1 Hx
Bearing
1
1
3
1
1
1
1
1
1
1
1
8
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
1
2
1
1
1
2
3
4
6
7
8
9
10
11
12
13
14
15
16
17
18
19
41945A
45604A
962330
73715A
170674
697502
980614
962823
47378A
41305A
41304A
22904A
962244
87034A
51032A
66189A
57712A
915098
Motor, Cord
Plug
Screw, 6-32 x 3/8
Plate, Elec./Fire Warning
Wire, Nut
Strain, Relief
Washer, ¼
Screw, ¼-20 x ½ Pn
Switch, Start
1
1
4
1
2
1
2
2
1
2
1
1
1
1
1
1
1
1
1
1
4
4
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
5
Ring, Retaining
Pulley, Fan
Bolt, Shoulder, 3/8 x ¾
Guard, Belt
Screw, ¼-20 x 1 Hx
Bumper, Side
Retainer, Side, Bumper
Screw, 10-24 x ½
Nut, ¼-20 ESNA
Tube, Latch
Bracket, Latch
Screw, ¼-20 x 1¾
Nut, /8 -16 Serrated Flange
Arm, Idler
Spacer
Ring, Retaining
Bearing
Pulley, Idler
Screw, 3/8 -16 x 1¼
Nut, 3/8 -24
Nut, 5/16 -18 ESNA
Stud, 3/8 -16 x 3/8 -24 x 1½
Screw, ¼-20 x ½
Washer ¼ Lock
Clip
46K 23808A
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
85700A
31221A
66932A
85517A
81102A
68393A
60623A
85702A
171101
60414A
67875A
57801A
902619
66170A
962216
81108A
920110
68010A
86111A
980657
61600A
67614A
66971A
31232A
Capacitor, Start
Capacitor, Run
Enclosure, Motor Start
3
Screw, /8 -16 x ¾ Hx
Retainer, Pulley
Belt, Fan
Pulley, Motor
Ring, Retaining 11/8
Key, ¼ x 1½
3
20K 44639A
Motor, 4HP 230V 60Hz
Motor, 2.2kW, 240V 50Hz
Nut, 3/8-16 ESNA
Cover, Handle
Handle, Motor
Screw, 3/8-16 x 1 BT
Cover, Fan
Screw, 3/8-16 x 1½ Hx
Screw-T
Knob, Motor Mounting
Mount, Motor Front
Belt, 3V x 375
Mount, Motor Rear
Nut, 7/16 LH
Washer
Gasket, Fan, Cover
Fan
Collar, spacer
Bearing
Cover, Fan
44664A
K
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
920342
32357A
64460A
962870
52769A
85703A
68394A
65304A
65959A
51024A
65960A
81202A
87002A
34264A
23301A
61602A
902567
Shoe, Dust
Retainer, Bumper
Bumper, Front
Mainframe
Screw, ¼-20 x ½ B.H.
Handle, Front
Rivet
71K 25906A
72
73
74
75
76
87700A
64489A
930093
74045A
77234A
Label, Warning, Moving Parts
Label, Warning, Lifting
38K 22126C
Note: Kindicates a change has taken place since last publication
of this manual
Motor Parts Not Illustrated
Part #
Description
Front Cover
Fan
Qty.
Part #
Description
Bearing Front
Bearing Rear
Armature Assembly
Qty.
52768A
53998A
52769A
1
1
1
51188A
902547
40316A
1
1
1
Fan Cover
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Page 25
AMERICANSANDERSTECHNOLOGY
Apollo 8 Belt Sander
Assembly Drawing #3 12/00
7
6
18
17
9
16
15
3
20
10
12
22
21
4
11
5
8
14
13
52
2
1
32
31
30
50
33
35
51
29
34
7
12
29
37
13
27
36
28
24
38
39
32
49
23
43
44
13
45
43
46
25
24
40
47
48
42
26
41
25
Page 26
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
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AMERICANSANDERSTECHNOLOGY
Apollo 8 Belt Sander
Assembly Parts List #3 12/00
Ref. No Part No.
Description
Qty
Ref. No Part No.
Description
Qty
25
26
27
28K
29
30
31**
32
33
34
35
36K
37
38
39
40
41
42K
43
44
45
46
47
48
49
50
51
52**
NI
962288
82104A
85816A
20704C
980699
69441A
51074A
80035A
53537A
920204
67150A
45608A
60401A
62800A
60721A
41707A
41917A
23200C
980022
53538A
925036
66150A
920342
980651
38109A
49023A
48901A
85517A
77039B
Screw, 3/8 -16 x 1
Nut, ¾ NPS
5
1
1
1
3
1
2
2
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
2
1
2
1
1K
42201A
42302A
Cord Set 230V 60 Hz
Cord Set, 240V 50 Hz
Screw, 8-32 x ¼
Connector, NEMA
Inlet,NEMA
Screw, 6-32 x 3/8
Screw 10 x 24 x 1
Washer, 3/16 Lock
Washer, 1106
Cover, Switch, Box
Switch, Circuit Breaker
Asm., Wire
1
1
2
962065
41706A
43501A
85313C
962794
980650
980607
22127C
41411A
48901A
962015
920110
80022A
898203
25603A
962481
81102A
64405A
21904C
60724A
85818A
60016A
86200A
3
1
1
4
5
7
4
1
1
1
5
4
1
1
1
2
2
1
1
1
1
1
2
Screw, 5/16 -18 x 1¾
3K
4K
5
6
7
Box, Switch
Washer, 1110
Bracket, Control Lever
Clamp, Cable
Bolt, Shoulder, 3/8 x1¼
Rod, End
Nut, 3/8 -24
Rod, Control
Plug, NEMA
Arm, Cable
Elbow, Dust, Pipe
Bag, Dust
Connector
Cord, Interconnect
Mount, Control, Handle
Washer, Wave
Rod, End
Pin, Cotter
Pipe, Dust
Nut, 3/8 -16 ESNA
Washer, 3/8 -Plain
Seal, Dust Pipe
Wire Asm.
Wire Asm. Gnd
Screw 10-24 x ½
Label "Made in USA"
8
9K
10K
11
12
13
14
15
16
17
18
19
20K
21
22
23
24
Screw, 10-24 x 3/8
Nut, 5/16 - 18 ESNA
Bolt, Shoulder ½ x 5/8
Spacer
Lever, Control
Screw ¼-20 x 1¼
Nut ¼-20 ESNA
Handle, Steering
Clamp, Handle
Belt, Operating
Screw, 5/16 -18 x 2½
Pipe, Handle
Screw, Set 3/8- 16 x 5/8
Note: Kindicates a change has taken
place since last publication
of this manual
NOTE: **#31 & #52 only one shown
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Page 27
AMERICANSANDERSTECHNOLOGY
Apollo 8 Belt Sander
Wiring Diagram 4/95
Page 28
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
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ALTO® PRODUCT SUPPORT BRANCHES
U. S. A. Locations
European Locations
HEAD OFFICE
PRODUCTION FACILITIES
ALTO U.S. Inc., St. Louis, Missouri
390 S. Woods Mill Rd., Suite 300
Chesterfield, Missouri 63017-3433
ALTO Danmark A/S, Aalborg
Blytaekkervej 2
DK-9000 Aalborg
+45 72 18 21 00
PRODUCTION FACILITIES
ALTO Danmark A/S, Hadsund
Industrikvarteret
ALTO U.S. Inc., Springdale, Arkansas
2100 Highway 265
DK-9560 Hadsund
+45 72 18 21 00
Springdale, Arkansas 72764
(501) 750-1000
Customer Service - 1-800-253-0367
Technical Service - 1-800-356-7274
SALES SUBSIDIARIES
ALTO Canada Ltd., Rexdale Ontario
24 Constellation Ct.
ALTO U.S. Inc., Bowling Green, Ohio 43402
1100 Haskins
(416) 675-5830
ALTO U.S. Inc., Clearwater, Florida 33765
1500 N. Belcher Road
ALTO Overseas Inc., Sydney (Australia)
1B/8 Resolution Drive
Caringbah NSW 2229
+61 2 9524 6122
SERVICE FACILITIES
ALTO Cleaning Systems Asia Pte Ltd., Singapore
271 Bukit Timah Rd.
ALTO U.S. Inc., Carlstadt, New Jersey 07072
150 Commerce Road
#04-11 Balmoral Plaza
Singapore 259708
(201) 460-4774
+65 8366 455
ALTO U.S. Inc., Elk Grove, Illinois 60007
2280 Elmhurst Road
ALTO Deutschland GmbH, Frondenberg (Germany)
Ardeyer Str.15
(847) 956-7900
D-58730 Frondenberg
ALTO U.S. Inc., Denver, Colorado 80204
1955 West 13th Ave.
+49 2373 754 200
(303) 623-4367
ALTO Cleaning Systems (UK) Ltd., Penrith
Gilwilly Industrial Estate
Penrith
ALTO U.S. Inc., Houston, Texas 77040
7215 North Gessner Road
Cumbria CA11 9BN
+44 1768 868 995
ALTO France S.A. Strasbourg
B.P. 44, 4 Place d’Ostwald
F-67036 Strasbourg
Cedex 2
SALES AND SERVICE FACILITIES
ALTO U.S. Inc., Madison Heights, Michigan 48071-0158
29815 John R.
(810) 544-6300
+33 3 8828 8400
ALTO Nederland B.V. Vianen
Stuartweg 4C
ALTO U.S. Inc., Marietta, Georgia 30062
1355 West Oak Common Lane
(770) 973-5225
NL-4131 NJ Vianen
+31 347 324000
ALTO Sverige AB, Molndal (Sweden)
Aminogatan 18
CLARKETECHNOLOGY
AMERICAN SANDERS TECHNOLOGY
A.L. COOK TECHNOLOGY
Box 4029
S-431 04 Molndal
+46 31 706 73 00
Customer Service Headquarters and Factory
2100 Highway 265
Springdale, Arkansas 72764
(501) 750-1000
ALTO Norge A/S, Oslo (Norway)
Bjornerudveien 24
N-1266
Technical Service
1-800-356-7274
+47 2275 1770
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AMERICAN SANDERS TECHNOLOGY U. S. WARRANTY
This ALTO Industrial/Commercial Product is warranted to be free from defects in materials and workman-
ship under normal use and service for a period of one year from the date of purchase, when operated and
maintained in accordance with American Sanders Technology's Maintenance and Operations Instructions.
This warranty is extended only to the original purchaser for use of the product. It does not cover normal
wear parts such as electrical cable or V-belts.
If difficulty develops with the product, you should:
(a). Contact the nearest authorized American Sanders Technology repair location or contact the American
Sanders Technology Service Operations Department, 2100 Highway 265, Springdale, Arkansas 72764, for
the nearest authorized American Sanders Technology repair location. Only these locations are authorized to
make repairs to the product under this warranty.
(b). Return the product to the nearest American Sanders Technology repair location. Transportation charges
to and from the repair location must be prepaid by the purchaser.
(c). American Sanders Technology will repair the product and or replace any defective parts without charge
within a reasonable time after receipt of the product.
American Sanders Technology's liability under this warranty is limited to repair of the product and/or
replacement of parts and is given to purchaser in lieu of all other remedies, including INCIDENTAL AND
CONSEQUENTIAL DAMAGES.
THERE ARE NO EXPRESS WARRANTIES OTHER THAN THOSE SPECIFIED HEREIN. THERE ARE NO
WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION OF THE FACE HEREOF. NO WARRANTIES,
INCLUDING BUT NOT LIMITED TO WARRANTY OF MECHANTABILITY, SHALL BE IMPLIED. A warranty
registration card is provided with your American Sanders Technology product. Return the card to assist
American Sanders Technology in providing the performance you expect from your new floor machine.
ALTO U.S. Inc., 2100 Highway 265, Springdale, Arkansas 72764
AMERICAN SANDERS TECHNOLOGY reserves the right to make
changes or improvements to its machine without notice.
Always use genuine American Sanders Technology Parts for repair.
AMERICAN SANDERS TECHNOLOGY
2100 Highway 265
Springdale, Arkansas, 72764
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