Save This Manual Keep this manual for the safety warnings and precautions, assembly, operating,
inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual
near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and
the receipt in a safe and dry place for future reference.
use common sense when operating the tool.
Do not use the tool while tired or under the
inuence of drugs, alcohol, or medication.
A moment of inattention while operating the
tool increases the risk of injury to persons.
2. Dress properly. Do not wear loose
clothing or jewelry. Contain long hair.
Keep hair, clothing, and gloves away from
moving parts. Loose clothes, jewelry, or long
hair increases the risk of injury to persons as
a result of being caught in moving parts.
3. Avoid unintentional starting. Be sure the switch
is off before connecting to the air supply.
Do not carry the tool with your nger on the switch or
connect the tool to the air supply with the switch on.
Tool Use and Care
1. Do not force the tool. Use the correct tool for the
application. The correct tool will do the job better
and safer at the rate for which the tool is designed.
4. Do not overreach.
Keep proper footing and balance at all times.
Proper footing and balance enables better
control of the tool in unexpected situations.
SAFETYOPERATIONMAINTENANCESETUP
5. Use safety equipment. A dust mask,
non-skid safety shoes and a hard hat
must be used for the applicable
conditions. Wear heavy-duty work
gloves during use.
7. Always wear hearing protection when using the tool.
Prolonged exposure to high intensity
noise is able to cause hearing loss..
4. Store the tool when it is idle out of reach
of children and other untrained persons.
A tool is dangerous in the hands of untrained users.
2. Do not use the tool if the Throttle Lever (7) does not turn the tool on or off. Any
tool that cannot be controlled with the switch
is dangerous and must be repaired.
3. Disconnect the tool from the air source
before making any adjustments, changing
accessories, or storing the tool. Such preventive
safety measures reduce the risk of starting the
tool unintentionally. Turn off and detach the air
supply, safely discharge any residual air pressure,
and release the throttle and/or turn the switch to
its off position before leaving the work area.
Service
1. Tool service must be performed only
by qualied repair personnel.
2. When servicing a tool, use only identical
replacement parts. Use only authorized parts.
5. Maintain the tool with care. Keep a cutting
tool sharp and clean. A properly maintained
tool, with sharp cutting edges reduces the
risk of binding and is easier to control.
6. Check for misalignment or binding of moving
parts, breakage of parts, and any other condition
that affects the tool's operation. If damaged,
have the tool serviced before using. Many accidents
are caused by poorly maintained tools.
There is a risk of bursting if the tool is damaged.
7. Use only accessories that are identied by the manufacturer for the specic tool model. Use of
an accessory not intended for use with the specic
tool model, increases the risk of injury to persons.
1. Never connect to an air source that is
capable of exceeding 200 psi.
Over pressurizing the 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 pressure or within the rated pressure range as
marked on the tool. Always verify prior to using the
tool that the air source has been adjusted to the rated
air pressure or within the rated air-pressure range.
2. Never use oxygen, carbon dioxide, combustible
gases or any bottled gas as an air source
for the tool. Such gases are capable of
explosion and serious injury to persons.
smooth surface underneath. Wood will likely
be damaged from Scraper operation.
2. Do not operate Scraper without the Chisel (26)
contacting the ooring. The Scraper will not operate
unless pressed rmly against the workpiece.
3. Check tightness of the Hex Head Screw (25) during
regular use. The Screw may loosen during operation.
4. The warnings and precautions discussed in this
manual cannot cover all possible conditions and
situations that may occur. It must be understood
by the operator that common sense and caution
are factors which cannot be built into this
product, but must be supplied by the operator.
5. Only use with accessories rated to handle the
forces exerted by this tool during operation.
Other accessories not designed for the forces
generated may break and forcefully launch pieces.
6. Attach all accessories properly to the tool before
connecting the air supply. A loose accessory
may detach or break during operation.
7. Obey the manual for the air compressor
used to power this tool.
8. WARNING: Some dust created by power
sanding, sawing, grinding, drilling, and other
construction activities, contains chemicals
known [to the State of California] to cause
cancer, birth defects or other reproductive harm.
Some examples of these chemicals are:
• Lead from lead-based paints
• Crystalline silica from bricks and cement or
other masonry products
• Arsenic and chromium from
chemically treated lumber
Your risk from these exposures varies, depending
on how often you do this type of work. To reduce
your exposure to these chemicals: work in a well
ventilated area, and work with approved safety
equipment, such as those dust masks that are
specially designed to lter out microscopic particles.
(California Health & Safety Code § 25249.5, et seq.)
WARNING: The brass components of
this product contain lead, a chemical
known to the State of California to cause
birth defects (or other reproductive harm).
(California Health & Safety code § 25249.5, et seq.)
9. Install an in-line shutoff valve to allow
immediate control over the air supply in an
emergency, even if a hose is ruptured.
10. Use this tool with both hands only. Using tools
with only one hand can result in loss of control.
SAFETYOPERATIONMAINTENANCESETUP
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. To reduce the risk of vibration-related injury:
1. Anyone using vibrating tools regularly or for an
extended period should rst be examined by a
doctor and then have regular medical check-ups to
ensure medical problems are not being caused or
worsened from use. Pregnant women or people who
have impaired blood circulation to the hand, past
hand injuries, nervous system disorders, diabetes,
or Raynaud's Disease should not use this tool.
If you feel any symptoms related to vibration (such
as tingling, numbness, and white or blue ngers),
seek medical advice as soon as possible.
11. Do not lay the tool down until it has come to
a complete stop. Moving parts can grab the
surface and pull the tool out of your control.
2. Do not smoke during use. Nicotine reduces
the blood supply to the hands and ngers,
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 vibration
when there is a choice.
5. Include vibration-free periods each day of work.
6. Grip tool as lightly as possible (while still keeping
safe control of it). Let the tool do the work.
7. To reduce vibration, maintain
tool as explained in this manual.
If abnormal vibration occurs, stop immediately.
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this
manual including all text under subheadings therein before set up or use of this product.
Note: For additional information regarding the parts listed in the following pages,
refer to the Assembly Diagram near the end of this manual.
Note: This air tool may be shipped with a protective plug covering the air inlet. Remove this plug before set up.
Air Supply
TO PREVENT SERIOUS INJURY FROM EXPLOSION:
Use only clean, dry, regulated, compressed air to power this tool.
Do not use oxygen, carbon dioxide, combustible gases,
or any other bottled gas as a power source for this tool.
SAFETYOPERATIONMAINTENANCESETUP
1. Incorporate a lter, regulator with pressure gauge,
oiler, in-line shutoff valve, and quick coupler for
best service, as shown on Figure A on page 8
and Figure B on page 9. An in-line shutoff
ball valve is an important safety device because
it controls the air supply even if the air hose
is ruptured. The shutoff valve should be a
ball valve because it can be closed quickly.
Note: If an automatic oiler system is not used,
add a few drops of Pneumatic Tool Oil to the
airline connection before operation. Add a few
more drops after each hour of continual use.
2. Attach an air hose to the compressor's air outlet.
Connect the air hose to the air inlet of the tool.
Other components, such as a coupler plug
and quick coupler, will make operation
more efcient, but are not required.
WARNING! TO PREVENT SERIOUS INJURY
FROM ACCIDENTAL OPERATION:
Do not install a female quick coupler on the tool.
Such a coupler contains an air valve that will
allow the air tool to retain pressure and operate
accidentally after the air supply is disconnected.
Note: Air ow, and therefore tool performance, can
be hindered by undersized air supply components.
The air hose must be long enough to reach
the work area with enough extra length to
allow free movement while working.
3. Turn the tool's throttle or switch to the off position;
refer to Operation section for description of controls.
4. Close the in-line shutoff valve between
the compressor and the tool.
5. Turn on the air compressor according to
the manufacturer's directions and allow it
to build up pressure until it cycles off.
6. Adjust the air compressor's output regulator
so that the air output is enough to properly
power the tool, but the output will not exceed
the tool's maximum air pressure at any time.
Adjust the pressure gradually, while checking the
air output gauge to set the right pressure range.
7. Inspect the air connections for leaks.
Repair any leaks found.
8. If the tool will not be used at this time, turn off
and detach the air supply, safely discharge
any residual air pressure, and release
the throttle and/or turn the switch to its off
position to prevent accidental operation.
Note: Residual air pressure should not be present
after the tool is disconnected from the air supply.
However, it is a good safety measure to attempt to
discharge the tool in a safe fashion after disconnecting
to ensure that the tool is disconnected and not powered.
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this
manual including all text under subheadings therein before set up or use of this product.
SAFETYOPERATIONMAINTENANCESETUP
Inspect tool before use, looking for damaged, loose, and missing parts.
If any problems are found, do not use tool until repaired.
Tool Set Up: Chisel Installation
TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION:
Turn off the tool, detach the air supply, safely discharge any residual air pressure
in the tool, and release the throttle and/or turn the switch to its off position before
performing any inspection, maintenance, or cleaning procedures.
TO PREVENT SERIOUS INJURY:
Do not adjust or tamper with any control or component in a way not specically explained within this manual.
Improper adjustment can result in tool failure or other serious hazards.
TO PREVENT INJURY:
Wear heavy-duty work gloves during Chisel installation.
1. Place the air intake end of the tool on a
clean surface on the oor. This will prevent
debris from entering into the air intake.
2. Pull down on Collar (24), making sure to keep the
open end of Retaining Ring (25) between your thumb
and index nger to prevent pinching.
3. Position end of the Chisel (26) into Chisel Holder (19)
and rotate Chisel until it slides in. See Figure A.
2. The work area must be well-lit.
The work area must not allow access by children
or pets to prevent distraction and injury.
General Operating Instructions
1. If an automatic oiler is not used, add a
few drops of Pneumatic Tool Oil to airline
connection before use. Add a few drops
more after each hour of continual use.
2. Hold the Handle (11) and Housing (14).
NOTE: If the ooring is made of sectioned tile or
linoleum, place the Chisel’s edge at the edge of the tile.
NOTE: Either side of Chisel tip can do the cutting.
3. Apply forward pressure on the Air Scraper
while holding it at approximately 45°- 60° angle.
This will help dig into the ooring. See Figure B.
Throttle Lever (9)
Housing
(14)
Handle
(11)
3. Route the air hose along a safe route to reach
the work area without creating a tripping hazard
or exposing the air hose to possible damage.
The air hose must be long enough to reach
the work area with enough extra length to
allow free movement while working.
4. There must not be hazardous objects
(such as utility lines or foreign objects) nearby
that will present a hazard while working.
4. Press Throttle Lever (9) to begin scraping.
Keep pressure on Air Scraper.
5. Push the Air Scraper forward against
the material being scraped off.
NOTE:Push down on the Scraper’s handle.
Simply guiding the Scraper will not work.
NOTE: When scraping linoleum oors and the ooring
comes apart in large sections, stop scraping. Clear and
remove debris and use a utility knife (sold separately)
to cut and remove the lifted sections together.
6. If the tool requires more force to accomplish the task,
verify that the tool receives sufcient, unobstructed
airow (SCFM) and increase the pressure (PSI)
output of the regulator up to the maximum air
pressure rating of this tool.
CAUTION! TO PREVENT TOOL AND ACCESSORY
FAILURE, RESULTING IN INJURY: Do not exceed
the tool’s maximum air pressure rating.
If the tool still does not have sufcient force
at maximum pressure and sufcient airow,
then a larger tool may be required.
SAFETYOPERATIONMAINTENANCESETUP
Figure B
Chisel (26)
Flooring
7. When leaving the work area, turn off the air
supply valve, disconnect Air Scraper from the air
supply, and press the Throttle Lever to discharge
any trapped air in the tool and air supply line,
then release the Throttle Lever. Lay the tool
down on the oor or lean it against a wall corner
with the chisel edge resting on the oor.
Procedures not specically explained in this manual must
be performed only by a qualied technician.
SAFETYOPERATIONMAINTENANCESETUP
TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION:
Turn off the tool, detach the air supply, safely discharge any residual air pressure
in the tool, and release the throttle and/or turn the switch to its off position before
performing any inspection, maintenance, or cleaning procedures.
TO PREVENT SERIOUS INJURY FROM TOOL FAILURE:
Do not use damaged equipment. If abnormal noise, vibration,
or leaking air occurs, have the problem corrected before further use.
TO PREVENT SEROUS INJURY FROM EXPLOSION:
Lubricate the tool only with specied lubricants.
Lubricate the air inlet using only pneumatic tool oil.
Other lubricants may damage the mechanism and may be highly ammable, causing an explosion.
Cleaning, Maintenance, and Lubrication
Note: These procedures are in addition to the regular checks and maintenance
explained as part of the regular operation of the air-operated tool.
1. Daily - Air Supply Maintenance:
Every day, maintain the air supply according
to the component manufacturers’ instructions.
Maintain the lubricator’s oil level.
Drain the moisture lter regularly.
Performing routine air supply maintenance
will allow the tool to operate more safely
and will also reduce wear on the tool.
2. Routinely check Chisel blade and replace if cracked.
DO NOT USE DAMAGED CHISEL.
Small nicks can be led off instead.
3. Periodic replacing or sharpening of the Chisel
is recommended for peak performance.
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM
IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR
MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS
QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE
ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY
STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND
LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY
ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS
THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards,
and warrants to the original purchaser that this product is free from defects in materials and workmanship for the
period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly,
to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper
installation, normal wear and tear, or to lack of maintenance. We shall in no event be liable for death, injuries
to persons or property, or for incidental, contingent, special or consequential damages arising from the use of
our product. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the
above limitation of exclusion may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us with transportation charges
prepaid. Proof of purchase date and an explanation of the complaint must accompany the merchandise.
If our inspection veries the defect, we will either repair or replace the product at our election or we may
elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will
return repaired products at our expense, but if we determine there is no defect, or that the defect resulted
from causes not within the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specic legal rights and you may also have other rights which vary from state to state.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353
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