PROPOINT Air Belt Sander Manuale utente
User Manual
Please read this manual before use.
V 2.0 8381634
AIR BELT SANDER
V 2.0 8381634
AIR BELT SANDER
2 For technical questions call 1-800-665-8685
SPECIFICATIONS
No load speed 16,000 RPM
Average air consumption 4 CFM @ 90 PSI
Max. air pressure 110 PSI
Air inlet 1/4 in.
IMPORTANT SAFETY PRECAUTIONS
WARNING! Read and understand all instructions before using this tool. Keep this manual for the
safety warnings and precautions, operating, inspection and maintenance instructions. When using
this tool, basic precautions should always be followed to reduce the risk of personal injury and/
or damage to the equipment. Note that when this manual refers to a part number, it refers to the
parts list included. Before allowing someone else to use this tool, make sure they are aware of all
safety information.
WORK AREA
1. Keep your work area clean and well lit. Cluttered and dark areas invite accidents.
2. Operate in a safe work environment. Do not use machines or air tools in damp or wet
locations. Do not expose to rain. Do not use power tools in the presence of flammable
gases or liquids.
3. Keep children, bystanders and visitors away from the work area. Do not let them handle
tools or extension cords. No one should be in the work area if they are not wearing suitable
protective equipment.
4. Store unused equipment. When not in use, tools must be stored in a dry location to prevent
rust. Always lock up tools and keep them out of reach of children.
PERSONAL SAFETY
1. Dress properly, wear protective equipment. Use breathing, ear, eye, face, foot, hand and head
protection. Always wear ANSI approved impact safety goggles, which must provide both
frontal and side protection. Protect your hands with suitable gloves. Wear a full face shield
if your work creates metal filings or wood chips. Protect your head from falling objects by
wearing a hard hat. Wear an ANSI approved dust mask or respirator when working around
metal, wood and chemical dusts and mists. Wear ANSI approved earplugs. Protective,
electrically non-conductive clothes and non-skid footwear are recommended when working.
Wear steel toed boots to prevent injury from falling objects.
AIR BELT SANDER
3For technical questions call: 1-800-665-8685
V2.0 8381634
2. Do not over reach; keep proper footing and balance at all times. Proper footing and balance
enables better control of the tool in unexpected situations.
3. Keep any articles of clothing, jewelry, hair etc. away from moving parts. These can be caught
in moving parts, resulting in damage to the tool and/or serious injury.
4. Stay alert, watch what you are doing and use your common sense. Do not operate any
machine or tool when you are tired, under the influence of drugs, alcohol or medications.
5. Use clamps or other practical ways to secure and support the work piece to a stable
platform. Holding the work piece by hand or against your body is unstable and may lead to
loss of control.
VIBRATION PRECAUTIONS
This tool vibrates during use. Repeated or long-term exposure to vibration may cause temporary or
permanent physical injury, particularly to the hands, arms and shoulders.
1. Anyone using vibrating tools regularly or for an extended period should first be examined by
a doctor and then have regular medical check ups to ensure medical problems are not being
caused by or worsened from tool use. Pregnant women or people who have impaired blood
circulation to the hands, past hand injuries, nervous system disorders, diabetes or Raynaud's
Disease should not use this tool. If you feel any medical symptoms related to vibrations (such
as tingling, numbness, and white or blue fingers), seek medical attention
as soon as possible.
2. Do not smoke during use. Nicotine reduces the blood flow to the hands and fingers,
increasing the risk of vibration-related injury.
3. Wear suitable gloves to reduce the vibration effects on the user.
4. Use tools with the lowest amount of vibration when there is a choice between
different processes.
5. Do not use for extended periods. Take frequent breaks when using this tool.
6. Let the tool do the work. Grip the tool as lightly as possible (while still keeping safe control
of it).
7. To reduce vibrations, maintain tool as explained in this manual. If abnormal vibrations occur,
stop using this tool immediately.
8. This tool will not stop moving immediately. Do not lay the tool down or leave it unattended
until it has come to a complete stop. A part that is moving could make the tool jump or grab
a surface and pull the tool out of your control.
SPECIFIC SAFETY PRECAUTIONS
1. Use an appropriate dust respirator when sanding for an extended period of time. This will
help prevent breathing in the fine dust created while sanding.
CAUTION! Some wood contains preservative such as copper chromium arsenate (CCA),
which can be toxic. When sanding these materials extra care should be taken to avoid
inhalation and minimize skin contact.
2. Before changing the sandpaper, turn off and unplug the tool.
TOOL USE AND CARE
1. Use the right tool for the job. Do not attempt to force a small tool or attachment to do the
work of a larger industrial tool. The tool will perform better and more safely at the task for
which it was intended. Do not modify this tool or use for a purpose for which it was
not designed.
2. Securely hold this tool using both hands. Using tools with only one hand can result in
loss of control.
AIR BELT SANDER
4For technical questions call: 1-800-665-8685
V 2.0
8381634
3. Maintain tools with care. Keep tools clean and in good condition for a better and safer
performance. Follow instructions for lubricating and changing accessories. Inspect tool
fittings, alignment and hoses periodically and, if damaged, have them repaired by an
authorized technician or replaced. The handles must be kept clean, dry and free from oil and
grease at all times. A properly maintained tool reduces the risk of binding and is easier to
control. Applying excessive force can lead to slips and damage to your work or
personal injury.
4. Remove adjusting keys and wrenches. Check that keys and adjusting wrenches are removed
from the tool or machine before connecting it. A wrench or key that is left attached to a
rotating part of the tool increases the risk of personal injury.
5. Avoid unintentional starts. Be sure that the switch is in neutral or OFF position when not in
use and before connecting it to any air source. Do not carry the tool with fingers near or on
the switch.
6. Only use the lubricants supplied with the tool or specified by the manufacturer. Other
lubricants may not be suitable and may damage the tool or even make the tool explode.
7. When not in use for an extended period, apply a thin coat of lubricant to the steel parts to
avoid rust.
8. Maintain the label and name plate on the tool. These carry important information. If
unreadable or missing, contact Princess Auto for a replacement.
AIR SOURCE
1. Disconnect air supply. Disconnect tools from air pressure source when not in use, before
cleaning, servicing or changing a piece or accessory. After disconnecting, discharge any
residual air pressure.
2. Do not use tools if the trigger switch does not function properly. Any tool that cannot be
controlled with the ON/OFF switch is dangerous and must be repaired.
3. Use proper size and type of air pressure line and fittings. The recommended air line for a tool
with a 1/4” inlet is 3/8" I.D.
4. Always verify prior to using a tool that the air source has been adjusted to the rated air
pressure or within the rated air-pressure range. Over pressurizing a tool may cause bursting,
abnormal operation, breakage of the tool or serious injury to persons. Use only clean, dry,
regulated compressed air at the rated range as marked on the tool.
5. Never use pure oxygen, carbon dioxide, combustible gases or any bottled gas as an air
source for a tool. Such gases are capable of causing an explosion and serious injury to
persons. Do not use an air source besides an air compressor to power this tool.
6. Always use an air regulator, an in-line filter and a moisture trap in your compressed air
system. These accessories will increase the tool's life and keeps the tool in good working
condition. See the diagram above for recommended components of an air line.
7. Drain the air tank daily. Water in the air line will damage the tool.
8. Clean air inlet filter weekly.
9. Avoid using too long of an air hose. The longer the hose, the lower the pressure will be at the
end of the hose, to the point that it may not meet the minimum required for the tool. As well,
a longer hose can become a tripping hazard.
10. Keep hose away from heat, oil and sharp edges. Check hose for wear, and make certain that
all connections are secure.
11. Always carry a tool by its handle, never carry the tool by the air hose.
12. Line pressure should be increased to compensate for unusually long air hoses (over 26 ft).
The hose diameter should be 3/8" I.D.
13. Air tool CFM consumption ratings are based upon a 25% duty cycle. If you require continuous
duty, a larger compressor will be required (e.g. 4.0 CFM tool at continuous duty requires 16.0
CFM to function at maximum torque).
AIR BELT SANDER
5
For technical questions call: 1-800-665-8685
V2.0 8381634
AIR SOURCE INSTALLATION
1. Set the air pressure regulator on the air
compressor to 90 PSI. Do not exceed the tool's
recommended air pressure. Excess pressure
could result in damage to the tool, to your work
piece or serious injury.
2. Prepare a standard 1/4" air connector for use
with your tool. Wrap the threaded portion of the
air connector with thread tape. Attach it to the
tool's air inlet. Tighten securely.
3. Attach a standard quick connector to the air
source's hose. Attach the air hose to the tool.
Note: If you are not using an in-line oiler, add
a few drops of air tool oil in the tool's air inlet
before use. In the same manner, add a few drops
after every hour of use.
4. Check the air line and its connections for air
leaks. Do not use this tool until you have repaired
all air leaks.
Note: Turn off the air compressor, disconnect the air pressure hose and discharge any
residual pressure inside the tool before changing accessories or making any adjustments to
the tool. Failure to do so could result in severe injury, tool or property damage.
LUBRICATION
1. All air tools are packed in grease to prevent corrosion of internal parts during shipping and
storage. We recommend you clean this out to have optimum performance from your new air
tool. Add a generous amount of air tool oil in the air inlet, and then run the tool under no load
until exhaust is clear to remove packing grease. For future maintenance, add only one or two
drops of oil daily.
2. It is very important that the tool be properly lubricated. Without proper lubrication, the tool
will not work properly and parts will wear prematurely. Manually dropping a drop or two of
air tool oil once a day into the tool's male connector is better than using an automatic in-line
lubricator, which should only be required when there are multiple users of the same tool.
3. Keep the in-line lubricator filled and correctly adjusted. It should be regularly checked and
filled with air tool oil. Proper adjustment of the in-line lubricator is performed by placing
a sheet of paper next to the exhaust ports and holding the throttle open approximately
30 seconds. The lubricator is properly set when a light stain of oil collects on the paper.
Excessive amounts of oil should be avoided.
4. Air tool oil is the only recommended lubricant for use in all air tools. Do not try to use
other types of lubricants to oil your tools. Using the wrong lubricant will cause premature
tool failure and/or loss of power. Use only recommended lubricants, especially made for
pneumatic applications. Substitutes may harm the rubber compounds in the tool's O-rings
and other rubber parts.
5. Oiling your air tool regularly is important, but it is also important not to over oil your air tool.
Over oiling can cause premature tool failure. Your tool may not be ruined, but it will begin
to experience loss of power that will continually get worse until it no longer works, at which
point the tool will have to be taken apart and cleaned of excess oil.
6. In the event that it becomes necessary to store the tool for an extended period of time
(overnight, weekend, etc.), it should receive a generous amount of lubrication at that
time. The tool should be run for approximately 30 seconds to ensure oil has been evenly
distributed throughout the tool. The tool should be stored in a clean and dry environment.
AIR BELT SANDER
6For technical questions call: 1-800-665-8685
V 2.0
8381634
WARNING! NEVER use WD-40 to clean or lubricate your air tool. WD-40 is a solvent that will
break down the internal grease and cause the air tool to seize up.
UNPACKING
1. Carefully remove the parts and accessories from the box.
2. Make sure that all items listed in the parts lists are included.
3. Inspect the parts carefully to make sure the tool was not damaged while shipping.
4. Do not discard the packaging material until you have carefully inspected and satisfactorily
operated the tool.
WARNING! If any part is missing, do not operate the tool until the missing parts are replaced.
Failure to do so could result in serious personal injury.
OPERATION
SANDING
1. Connect the sander to its power source.
2. Turn the sander on. Wait until it has reached maximum speed before placing it onto the work
piece. Make sure the surface to be sanded is free of any debris before placing the running
sander onto the surface.
3. Move the sander slowly using forward and backward strokes.
4. Do not put additional pressure on the sander. This will slow down the speed of the pad and
reduce sanding efficiency, as well as put an additional burden on the tool.
5. Always remove the sander from the work piece before shutting the sander off.
INSTALLATION
SELECTING SANDPAPER
Selecting the correct size and type of abrasive grit is extremely important in achieving a high
quality sanded finish. Aluminum oxide, silicone carbide and other synthetic abrasive are best for
power sanding. To produce the best finish possible, start with a coarse grit sanding paper and
gradually change to finer and finer grit sandpapers. A final sanding with well-worn fine sandpaper
will produce a professional looking finish that in many cases will not need
hand sanding.
AIR BELT SANDER
7
For technical questions call: 1-800-665-8685
V2.0 8381634
MAINTENANCE
Before making any adjustments or changing any accessory, turn off the tool and unplug it from its
air source.
1. Although the sander does not require user maintenance, the sander should be kept clean.
Wipe the sander with a clean cloth and periodically blow out all areas with compressed air
or use a brush. Do not use harsh chemicals or solvents to clean the sander. These chemicals
could seriously damage the plastic housing.
2. Avoid overloading the sander. Overloading will result in considerable reduction of speed and
efficiency and the unit will become hot. In this event, run the sander at a “no load” condition
for a minute or two.
3. Regularly inspect all mountings and screws to ensure tightness. Should any screws become
loose, tighten immediately.
4. If repair is required, take the sander to an authorized service center.
5. Check for damaged parts. Before using any tool, any part that appears to be damaged
should be carefully checked to determine that it will operate properly and perform its
intended functions. Check for alignment and binding of moving parts, for broken parts or
mounting fixtures, or for any other condition that may affect proper operation. Any part that
is damaged should be repaired or replaced by a qualified technician.
6. When servicing, use only identical replacement parts. Only use accessories intended for use
with this tool. Replace damaged parts immediately.
7. Keep the tool clean. Wipe the tool with a clean cloth and periodically blow out all areas with
compressed air. If compressed air is not available, use a brush to remove dust from all areas.
Do not use harsh chemicals or solvents to clean the tool. These chemicals could seriously
damage the plastic housing.
DISPOSING OF THE TOOL
If your tool has become damaged beyond repair, do not throw it out. Bring it to the appropriate
recycling facility.
AIR BELT SANDER
8For technical questions call: 1-800-665-8685
V 2.0
8381634
TROUBLE SHOOTING
Problem(s) Possible cause(s) Suggested solution(s)
Tool runs at normal
speed but loses
power under load.
Motor parts worn. Have a qualified technician replace
worn parts.
Lack of air tool oil. Pour air tool oil into air inlet
per instructions.
Tool runs slowly.
Air flows slightly
from exhaust.
Motor parts jammed with
dirt particles.
1. Check air inlet filter for blockage.
2. Pour air tool oil into air inlet as
per instructions.
3. Operate tool in short bursts quickly
reversing rotation back and forth
where applicable.
4. Disconnect supply. Free motor
by rotating drive shank manually
where applicable
5. Repeat above as needed. If this
fails, bring to service center.
Air flow blocked by
dirt.
Excessive air tool oil in tool or
build up of shipping grease.
Run tool under no load for short periods
of time until exhaust clears.
Tools will not run. Air
flows freely
from exhaust.
O-rings throttle valve
dislodged from seat inlet valve.
Have a qualified technician replace
the O-ring.
Damage to, or excessive
wearing of internal parts Bring to service centre
Tool will not shut off. O-rings throttle valve
dislodged from seat inlet valve.
Have a qualified technician replace
the O-ring.
Loss of power or
erratic performance.
Excessive drain on the air line.
Moisture or restriction in the air
hose. Incorrect size or type of
hose connectors.
Check the air supply. Ensure tool is
connected to a 3/8" I.D. or larger air
hose with no kinks or restrictions and
that the fittings are connected properly.
Air compressor has
insufficient flow.
Ensure tool is connected to a
compressor whose rated flow matches
the tool.
Note: Repairs should be carried out by a qualified person
AIR BELT SANDER
9
For technical questions call: 1-800-665-8685
V2.0 8381634
PARTS BREAKDOWN
AIR BELT SANDER
10 For technical questions call: 1-800-665-8685
V 2.0
8381634
No. Description Qty.
1 Idle Pulley 1
2 Ball Bearing (684zz) 2
3 Idle Pulley Screw 1
4 Bracket 10 1
5 Set Screw (M3x8)
6Hexagon Socket Headless
Set Screw 1
7 Spring 1
8 Tension Bar 1
9 Spring Pin (Ø3x10) 1
10 Stopper Pin 1
11 Guard Bushing 1
12 Tension Spring 1
13 Guard Sub Ass’y 11 1
14 Head Cap Screw (M5x15)
15 Dust Cover 1
16 Shoe 10 1
17 Hexagon Socket Headless
Set Screw 1
18 Stopper Spring 1
19 Spring 1
20 Spring Pin (Ø2.5x10) 1
21 Hexagon Nut (M6) 1
22 Washer (M6) 1
23 Drive Pulley 1
24 Housing 1
25 Ball Bearing (6000ZZ) 1
26 Front End Plate 1
No. Description Qty.
27 Spacer 1
28 Rotor 1
29 Parallel Key Both Ends
Round 4x4x9.5 1
30 Rotor Blade 5
31 Cylinder 1
32 Rear End Plate 1
33 Ball Bearing (608zz) 1
34 O-Ring (S38) 1
35 Cap 1
36 Throttle Lever 1
37 Spring Pin (Ø3x20) 1
38 Valve Body 1
39 O-Ring (S11.2) 1
40 O-Ring (P-9) 1
41 Valve Stem 1
42 O-Ring (P3) 1
43 Valve Spring 1
44 Air Regulator 1
45 O-Ring (P7) 2
46 External Stop Ring (STW-8) 1
48 Exhaust Diffuser 1
49 Inlet Bushing 1
50 Housing Cover 1
51 Grinding Belt (#100x10) 1
52 Grinding Belt (#80x10) 1
53 Grinding Belt (#120x10) 1
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