mini orbital sander
model 93629
assembly and operating instructions
read this material before using this product.
Failure to do so can result in serious injury.
saVe this manual.
Copyright© 2006 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork
contained herein may be reproduced in any shape or form without the express written consent of Harbor
Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing improve-
ments, actual product may differ slightly from the product described herein. Tools required for assembly
and service may not be included.
For technical questions or replacement parts, please call 1-800-444-3353.
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4.
5.
6.
7.
observe work area conditions. Keep work area well lit. Do not use pneumatic
tools in the presence of flammable gases or liquids.
Keep children away. Children must never be allowed in the work area. Do not
let them handle machines, tools, extension cords, or air hoses.
store idle equipment. When not in use, tools must be stored in a dry location
to inhibit rust. Always lock up tools and keep out of reach of children.
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. There are certain
applications for which this tool was designed. It will do the job better and more
safely at the rate for which it was intended. Do not modify this tool, and do not
use this tool for a purpose for which it was not intended.
8.
dress properly. Do not wear loose clothing or jewelry as they can be caught in
moving parts. Protective, electrically non-conductive clothes and non-skid foot-
wear are recommended when working. Wear restrictive hair covering to contain
long hair.
9.
do not overreach. Keep proper footing and balance at all times. Do not reach
over or across running tools or air hoses.
10.
disconnect air hose and release any built-up air pressure. Never service the
Air Sander or disassemble with the air hose attached. Always release any
built-up air even after disconnecting hose. Disconnect the Air Sander when
not in use.
11.
12.
remove adjusting wrenches. Check that adjusting wrenches are removed
from the tool and work surface before attaching to an air source.
avoid unintential starting. Be sure the Throttle (2) is in the oFF position
when not in use and before plugging in. Do not carry any tool with your finger on
Throttle, whether it is attached to an air source or not.
13.
14.
stay alert. Watch what you are doing. Use common sense. Do not operate any
tool when you are tired.
Do not operate tool if under the influence of alcohol or drugs. Read warning
labels if taking prescription medicine to determine if your judgement or reflexes
are impaired while taking drugs. If there is any doubt, do not operate the tool.
15.
compressed air only. Use clean, dry, regulated, compressed air at 90 psi.
Never use oxygen, carbon dioxide, combustible gases, or any other bottled gas
as a power source for this tool.
SKU 93629
For technical questions, please call 1-800-444-3353
PAGE 3
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16.
17.
check for damaged parts. Before using any tool, any part that appears
damaged should be carefully checked to determine that it will operate properly
and perform its intended function. Check for alignment and binding of moving
parts, any broken parts, and any other condition that may affect proper operation.
Any part that is damaged should be properly repaired or replaced by a qualified
technician. Do not use the tool if the Throttle does not operate properly.
replacement parts and accessories. This product is to be repaired and
serviced only by a qualified technician. When this product is serviced, only
identical replacement parts should be used. Use of any other parts will void the
warranty. Only use accessories intended for use with this tool. Approved
accessories are available from Harbor Freight Tools.
18.
19.
maintenance. The maintenance outlined in the “Maintenance” section should be
performed regularly. For your safety, this product should be serviced or repaired
regularly only by a qualified technician.
transport air sander safely. Always disconnect air supply when moving the
tool in the workplace. Carry the tool by the handle and avoid contact with the
Throttle (2).
20.
avoid working alone. If an accident happens, an assistant can bring help.
21.
For best service, you should incorporate an oiler, regulator, and in-line filter, as
shown in the diagram below. Hoses, couplers, oilers, regulators, and filters are
all available at Harbor Freight Tools. note: If an automatic oiler is not used,
put 3-5 drops of pneumatic Tool Oil (not included) in the tool’s quick connector
before each use. (see Figure a.)
regulator
Figure a
oiler
Filter
22.
Warning! Some dust created by power sanding, sawing, grinding,
drilling, and other construction activities contain 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, cement, and other masonry products, arsenic and chromium from
chemically treated lumber. (California Health & Safety Code § 25249.5, et seq.)
SKU 93629
For technical questions, please call 1-800-444-3353
PAGE 4
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23.
Warning! The warnings, cautions, and instructions discussed in this
instruction 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.
assembly instructions
1.
Prior to use, the Air Sander requires the attachment of a Quick Connector
(not included) to its Air Inlet (7). To do so, make sure the screen Air Filter
within the Housing (1) is properly seated in the Housing. Wrap approximately
3” of pipe thread sealer tape (not included) around the male threads of the Quick
Connector. Then, firmly tighten the Quick Connector into the Air Inlet.
(see Figure b.)
air inlet
(7)
air Filter
(not shoWn)
housing (1)
QuicK
connector
(not included)
Figure b
operating instructions
1.
2.
caution! Whenever possible, secure smaller workpieces in a vise or with
clamps (neither included) to avoid damage to the workpiece and/or personal
injury.
Attach a 2” diameter, self-adhesive, Sanding Disc (46, 46A, 46B) to the Pad (44)
of the Air Sander. (see Figure c, next page.)
note: do not use grinding wheels on this tool.
3.
Make sure the Throttle (2) of the Air Sander is in its oFF (open) position. Then,
connect an air hose (not included) to the previously installed Quick Connector of
the tool. (see Figure c.)
SKU 93629
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4.
5.
Connect the other end of the air hose to the air compressor system.
(see Figure a, page 4.)
Turn on the air compressor, and set its regulator to 90 psi. do not exceed
90 psi.
6.
7.
8.
Grip the Air Sander firmly with both hands.
Select an area on the workpiece to be sanded.
Squeeze the Throttle (2) to turn on the Air Sander. Make sure the Sanding Disc
(46, 46A, 46B) is not touching any surface before you turn on the tool.
(see Figure c.)
9.
Place the revolving Sanding Disc (46, 46A, 46B) on the workpiece surface.
Then, move the Air Sander around the area to remove the residue. To increase
the rate of revolutions (RPM) of the Sanding Disc, squeeze the Throttle (2)
harder. To decrease the rate of revolutions, relax pressure on the Throttle.
(see Figure c.)
10.
11.
Keep a light pressure on the Air Sander while in use. Do not apply heavy
pressure, as damage to the surface area may result. (see Figure c.)
Warning! use eye, breathing, and hearing protection. Always wear
ANSI approved safety impact goggles when using this Air Sander. Wear
an ANSI approved dust mask, face shield or respirator. And wear ANSI
approved hearing protection. Other people in the work area must also
wear appropriate ANSI approved safety equipment.
12.
When finished using the Air Sander, release pressure on the Throttle (2). Turn
off the air compressor. Squeeze the Throttle again to release any compressed
air in the Air Sander. Disconnect the air hose from the tool. Then, store the Air
Sander in a clean, dry, safe location out of reach of children. (see Figure c.)
QuicK
connector
(not included)
throttle
(2)
Figure c
pad
(44)
sanding disc
(46, 46a, 46b)
SKU 93629
For technical questions, please call 1-800-444-3353
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inspection, maintenance, and cleaning
1.
Warning! Prior to performing any inspection, maintenance, or cleaning of
the Air Sander, make sure to disconnect the air hose from the tool. Then,
squeeze the Throttle (2) again to release any compressed air in the Air Sander.
2.
3.
to clean the exterior of the air sander, wipe with a clean, damp cloth using
a mild detergent or mild solvent. Do not immerse the tool in liquids.
When storing, always store the Air Sander in a clean, dry, safe location out
of reach of children.
4.
caution! All maintenance, service, and repairs not mentioned in this
manual must only be performed by a qualified service technician.
please read the FolloWing careFully
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 MAKESANY REPRESENTATION OR WARRANTY OFANY KIND TO THE BUYER THAT HE
OR SHE IS QUALIFIED TO REPLACEANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER
AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS
SHOULD BE UNDERTAKEN BY CERTIFIEDAND LICENSED TECHNICIANS, AND NOT BY THE BUYER.
THE BUYER ASSUMES ALL RISKS 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.
SKU 93629
For technical questions, please call 1-800-444-3353
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SKU 93629
For technical questions, please call 1-800-444-3353
PAGE 8
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limited 1 year Warranty
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 one year from the date
of purchase (90 days if used by a professional contractor or if used as rental equipment).
This warranty does not apply to damage due directly or indirectly, to misuse, abuse,
negligence or accidents, repairs or alterations outside our facilities, 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 verifies 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 specific 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
SKU 93629
REV10k
For technical questions, please call 1-800-444-3353
PAGE 9
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