Nilfisk-ALTO Apollo 8 User Manual
Apollo 8
Operator's
Belt Sander
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
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.
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 AMERICAN SANDERS TECHNOLOGY Printed in the U.S.A.
Table of Contents
Operator Safety Instructions .........................................................3
Introduction and Machine Specifications.......................................5
230V Electrical Connection Instructions........................................6
How to Transport the Machine ......................................................7
One Person ..............................................................................7
Two People ..............................................................................8
Machine Set-Up ...........................................................................8
How to Operate the Machine ......................................................10
Sanding Cuts and Sandpaper .................................................. 12
Chatter Wave Prevention ...........................................................13
Sander Adjustment Procedures..................................................14
Dust Shoe ..............................................................................14
Sanding Pressure...................................................................14
Belt Tracking ..........................................................................15
Operating Control ...................................................................15
Routine Maintenance..................................................................16
Sanding Chamber ..................................................................16
Wheels ...................................................................................16
Dust Bag ................................................................................16
Drive Belt ...............................................................................16
Bearings.................................................................................17
Rollers....................................................................................17
Troubleshooting .........................................................................18
Assembly Drawing #1 ................................................................20
Assembly Parts List #1...........................................................21
Tension Assembly Drawing........................................................22
Tension Assembly Parts .........................................................23
Assembly Drawing #2 ................................................................24
Assembly Parts List #2...........................................................25
Assembly Drawing #3 ................................................................26
Assembly Parts List #3 ...........................................................27
Wiring Diagram..........................................................................28
Page 2 AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
OPERAT OR SAFETY INSTRUCTIONS
WARNING AVERTISSEMENT ADVERTENCIA
DANGER means: 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.
WARNING means: 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.
CAUTION means: 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.
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
Page 3
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.
DANGER: 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.
DANGER: 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.
DANGER: 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: 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.
DANGER: 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.
DANGER: 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.
DANGER: 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.
WARNING: 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.
WARNING: 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: 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).
WARNING: 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.
WARNING: 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: 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.
CAUTION: Damage could occur to the machine if not properly kept in a dry building for storage. Store
the machine in a dry building.
CAUTION: The machine is heavy. When transporting the machine, remove the motor. Get help to lift
the machine and motor.
CAUTION: 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 AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
Introduction and Machine Specifications
MODEL 07065B 07069C
CONTACT WHEEL SPEED (rpm)* 2700 2250
ABRASIVE SPEED 4700 *sfm 24 meters per second
DUST FAN SPEED (rpm)* 6800 5670
DUST FAN FLOW 234 *(cfm) 92 liters per second
MOTOR 4 hp 208-230V 60Hz 16A 2.2kW 240V 50Hz 12A
WHEELS Replaceable 3½" O.D. 9 cm
ABRASIVE SIZE 291/2" x 7 7/8" 75cm x 20cm
LEVELING CONTROL Externally adjustable
OPERATING CONTROL Adjustable lever/grip
MOTOR STARTER/PROTECTOR Magnetic circuit breaker
SANDING PRESSURE ADJMT. Heavy, Medium, Light
BEARINGS Radial ball, permanently lubricated
DIMENSIONS 401/2" L x15" Wx 36 3/4" H 103cm x 38cm x 93 cm
WEIGHT 214 lbs. 97 kg
NOPTENOTE: *rpm (Revolutions per minute)
*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, preparation, and finishing of their product. Determine suitability of your equipment in
preparing the product.
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
Page 5
230V Electrical Connection Instructions
CAUTION: This machine will operate only on
AC frequency and on electrical voltage shown on the motor nameplate. Make sure you have the
correct frequency and voltage before 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
ground circuit in order to protect the operator from electric
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
maximum protection against electric shock, use a circuit
that is protected by a ground fault circuit interrupter.
DANGER: Electrocution could occur if the
machine is exposed to water or
rain. Keep the machine in a dry
building.
Figure 1
DANGER: Electrocution could occur if ma-
chine is improperly connected to
the electrical system. To prevent
possible electric shock, always use
a 3-wire electrical system connected to an electrical ground. For
maximum protection against electrical shock, use a circuit that is
protected by a ground fault circuit
interrupter. Consult your electrical contractor.
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 receptacle or connector body other than
a three plug receptacle or connector body. If the outlet does not fit
the plug, consult your electrical
contractor.
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 electrician.
Extension Cords
Use only an approved three-pronged extension cord with
two main conductors and one earthing conductor. This
machine’s power cord has a wire size of 10 gauge. This
machine is equipped with a 100' power cord. When
greater range is needed follow the table below to determine cable gauge of additional footage. Refer to the
following chart for extension cord information.
Feet/Wire Guage (Stranded Copper)
Source Voltage 0 - 100' 100 - 250'
208 6
230 10 8
Use Voltage
Booster
If motor appears to labor or takes a considerably longer
time to come up to speed, reduce sanding pressure.
Page 6 AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
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.
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.
To assemble the machine after transporting, follow
this procedure:
1. Open the belt guard door.
Figure 2
Figure 3
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:
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
Premature bearing failure can
occur if the fan belt is set too
tight. The fan belt should
deflect ½" at the center of the
span with 5 lbs. of pressure.
Figure 4
Page 7
How to Transport the Machine
(cont.)
Note: It is not necessary to adjust the fan belt
independently during this procedure or during
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
follow this procedure.
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
Figure 5
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
the manual explained fully before allowing anyone
to operate the sander.
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.
Figure 6
6. Rotate the release lever forward. See Figure #7.
Figure 7
Page 8 AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
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 Adjustment 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 adjustment.
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 mainframe to secure.
Figure 8
AMERICAN SANDERS TECHNOLOGY Apollo 8 Operator's Manual
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