Thank you for purchasing a Sealey Product. Manufactured to a high standard this product will, if used according to these instructions
and properly maintained, give you years of trouble free performance.
1. safety instructions
p WARNING! Ensure Health & Safety, local authority, and general workshop practice regulations are adhered to when using this equipment.
p WARNING! Disconnect from air supply before changing accessories or servicing.
3 Maintain the sander in good condition (use an authorised service agent).
3 Replace or repair damaged parts. Use genuine parts only. Unauthorised parts may be dangerous and
will invalidate the warranty.
3 Use in a suitable clean and tidy work area and ensure there is adequate lighting.
3 Before each use check abrasive pads for condition. If worn or damaged replace immediately.
3 Ensure the abrasive pad rating is the same as, or, greater than the RPM rating of the sander.
3 Ensure there are no flammable or combustible materials near the work area.
p WARNING! Always wear approved eye or face and hand protection when operating the sander.
3 Use face, dust, or respiratory protection in accordance with COSHH regulations.
3 Depending on the task, sander noise level may exceed 85dB, in which case wear safety ear defenders.
3 Remove ill fitting clothing. Remove ties, watches, rings, other loose jewellery and contain and/or tie back long hair.
3 Maintain correct balance and footing. Ensure the floor is not slippery and wear non-slip shoes.
3 Keep children and unauthorised persons away from the work area.
3 Check moving parts alignment on a regular basis.
3 Ensure workpiece is secure before operating the sander. Never hold a workpiece by hand.
3 Check the workpiece to ensure there are no protruding screws, bolts, nuts, nails, stones, etc.
3 Avoid unintentional starting.
p WARNING! Ensure correct air pressure is maintained and not exceeded. Recommended pressure 70-90psi.
3 Keep air hose away from heat, oil and sharp edges. Check air hose for wear before each use and ensure
that all connections are secure.
3 Prolonged exposure to vibration from this sander poses a health risk. It is the owner’s responsibility to correctly assess the potential hazard and issue guidelines for safe periods of use and offer suitable protective equipment.
7 DO NOT use the sander for a task it is not designed to perform.
7 DO NOT operate sander if any parts are damaged or missing as this may cause failure and/or personal injury.
p WARNING! DO NOT sand any materials containing asbestos.
7 DO NOT carry the sander by the hose, or yank the hose from the air supply.
7 DO NOT force, or apply heavy pressure to the sander, let the sander do the work.
7 DO NOT place air line attachments close to your face and do not point at other persons or animals.
7 DO NOT operate sander when you are tired or under the influence of alcohol, drugs or intoxicating medication.
7 DO NOT use sander where there are flammable liquids, solids or gases such as paint solvents and including waste wiping or cleaning rags etc.
7 DO NOT carry the sander with your finger on the power lever.
7 DO NOT direct air from the air hose at yourself or others.
3 When not in use disconnect from air supply and store in a safe, dry, childproof location.
© Jack Sealey Limited
Original Language Version
GSA70 Issue: 2 (SP) - 16/07/13
Paint once contained lead as a traditional ingredient. The dust caused by the removal of such paint is
toxic and must therefore be avoided. The following action must be taken before using the sander on
a surface that you suspect may contain lead paint.
1. User must determine potential hazard relating to age of paint to be removed (modern paints do not have lead content).
DANGER! Keep all persons and pets away from the working area. The following are particularly vulnerable to the effects of lead paint dust: Pregnant women, babies and children.
We recommend personal protection by using the following safety items:
a) Paint Spray Respirator (Our ref SSP16EN) b) PE Coated Hooded Coverall (Our ref SSP267). c) Latex Gloves (Our ref SSP24).
Take adequate measures to contain the paint dust, flakes and scrapings.
Continue to wear safety equipment as in (3) and thoroughly clean all areas when task is complete. 6.
Ensure paint waste is disposed of in sealed bags or containers.
2. introduction & SPECIFICATION
Composite cover moulded around lightweight aluminium alloy housing reduces effects of chill on operator’s hands
and provides added control. Air motor with quality bearings for smooth and powerful operation. Fitted with safety
release trigger control to prevent accidental operation. Exhaust outlet adjusts 360° keeping air flow away from
operator. Supplied with Ø50mm pad and installation spanner.
Model No: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GSA70
Disk Size: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mm
Thread Size: . . . . . . . . . . . . . . . . . . . . . . . . . M6x1mm
Motor Power: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3hp
Free Speed: . . . . . . . . . . . . . . . . . . . . . . . . . 15000rpm
Orbit Size: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ø3mm
Air Consumption: . . . . . . . . . . . . . . . . . . . . . . . . . 4cfm
Operating Pressure: . . . . . . . . . . . . . . . . . . . . . . 90psi
Air Inlet Size: . . . . . . . . . . . . . . . . . . . . . . . . . . 1/4”BSP
Weight: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.66kg
Noise Power: . . . . . . . . . . . . . . . . . . . . . . . . . . . 94dB.A
Noise Pressure: . . . . . . . . . . . . . . . . . . . . . . . . . 83dB.A
Measured Vibration Emission Value: . . . . . . . . . 4.6m/s²
Uncertainty Value (k): . . . . . . . . . . . . . . . . . . . 1.84m/s²
3.1. Air Supply
3.1.1. Ensure the sander air valve (or throttle) is in the "Off" position before connecting to the air supply.
3.1.2. You will require an air pressure between 70-90psi, and an air flow according to the specification above.
3.1.3. p WARNING! Ensure the air supply is clean and does not exceed 90psi while operating the sander.
Too high an air pressure and/or unclean air will shorten the product life due to excessive wear, and may be dangerous, causing damage and/or personal injury.
3.1.4. Drain the air tank daily. Water in the air line will damage the sander and will invalidate your warranty.
3.1.5. Clean air inlet filter weekly. Recommended hook-up procedure is shown in fig.1.
3.1.6. Line pressure should be increased to compensate for unusually long air hoses (over 8 metres).
The minimum hose diameter should be 1/4” I.D. and fittings must have the same inside dimensions.
3.1.7. Keep hose away from heat, oil and sharp edges. Check hoses for wear and make certain that all
connections are secure.
Vibration may cause failure if a quick change coupling is connected directly to the air sander. To
overcome this, connect a leader hose to the sander. A quick change coupling may then be used to
connect the leader hose to the air line recoil hose.
See figs.1 & 2.
© Jack Sealey Limited
Original Language Version
GSA70 Issue: 2 (SP) - 16/07/13
WARNING! Ensure you read, understand and apply the safety instructions in Section 1 before use.
4.1.1. To fit the backing pad you must first lock the rotating head using the locking pin. Rotate the head until the locking hole is visible through the
aperture in the outer shroud. Insert the pin as shown in fig.3-1. Screw
the backing pad into the threaded hole in the head (see fig.3-2) and
tighten. Remove the locking pin. Use only discs with speed ratings
equal to or higher than the speed rating of the sander. DO NOT use
cloth backed sanding discs.
4.1.2. Connect air supply to sander, press the control valve lever and check
that the sander is working correctly.
4.1.3. The air flow may be regulated by adjusting the regulator valve in the
back of the handle.
4.2.1. The sander is designed to provide a combined “rotary” and “random
orbit” action. Always use a grit appropriate for the job. Work
progressively from coarse grades to finer grades.
DO NOT go from coarse to fine in one step as it may be difficult to
remove swirl marks left by the coarse grit.
DO NOT apply excessive pressure, let the sander do the work for
you. Start the sander and bring the sanding disc to the work surface
evenly and slowly. Move the sander back and forth in overlapping areas. Remove the sanding disc from the work surface before stopping the sander. Regularly check the sanding disc for wear, always change if cracked or damaged. DO NOT allow sander to run in “idle rotation” for an extended period of time, as this will reduce bearing life.
WARNING! Disconnect sander from air supply before changing accessories, servicing or performing maintenance. Replace or repair damaged parts. Use genuine parts only. Unauthorised parts may be dangerous and will invalidate the warranty.
5.1. If the air supply does not have an oiler lubricate the air sander daily with a few drops of good grade air tool oil such as Sealey ATO/500 or ATO/1000, dripped into the air inlet before use.
5.2. Clean the sander after use and change pads when required.
5.3. Loss of power or erratic action may be due to the following:
a) Excessive drain on the air line. Moisture or restriction in the air pipe. Incorrect size or type of hose
connectors. To remedy check the air supply and follow instructions in Section 3.
b) Grit or gum deposits in the sander may also reduce performance. If your model has an air strainer
(located in the area of the air inlet), remove the strainer and clean it. Flush the sander out with gum
solvent oil or an equal mixture of SAE No 10 oil and kerosene. Allow to dry before use.
If problems continue, contact your local Sealey service agent.
5.4. For a full service contact your local Sealey service agent.
5.5. When not in use, disconnect from air supply, clean sander and store in a safe, dry, childproof location.
NOTE: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior notice.
IMPORTANT: No liability is accepted for incorrect use of this product.
WARRANTY: Guarantee is 12 months from purchase date, proof of which will be required for any claim.
INFORMATION: For a copy of our latest catalogue and promotions call us on 01284 757525 and leave your full name and address, including postcode.
© Jack Sealey Limited
Sole UK Distributor, Sealey Group,
Kempson Way, Suffolk Business Park,
Bury St. Edmunds, Suffolk,
IP32 7AR
Original Language Version
01284 757500
01284 703534
We b
[email protected]
GSA70 Issue: 2 (SP) - 16/07/13
WARNING! – Risk of Hand Arm Vibration Injury.
This tool may cause Hand Arm Vibration Syndrome if its use is not managed adequately.
This tool is subject to the vibration testing section of the Machinery Directive 2006/42/EC.
This tool is to be operated in accordance with these instructions.
This tool has been tested in accordance with: EN ISO 28927-3:2009 & BS EN ISO 15744:2008.
Declaration and verification of Vibration Emission figures are in accordance with EN 12096:1997
Measured vibration emission value (a): 4.6 m/s²
Uncertainty value(k): 1.84 m/s²
Please note that the application of the tool to a sole specialist task may produce a different average vibration
emission. We recommend that a specific evaluation of the vibration emission is conducted prior to commencing
with a specialist task.
A health and safety assessment by the user (or employer) will need to be carried out to determine the suitable
duration of use for each tool.
NB: Stated Vibration Emission values are type-test values and are intended to be typical.
Whilst in use, the actual value will vary considerably from and depend on many factors.
Such factors include; the operator, the task and the inserted tool or consumable.
NB: ensure that the length of leader hoses is sufficient to allow unrestricted use, as this also helps to reduce
The state of maintenance of the tool itself is also an important factor, a poorly maintained tool will also increase
the risk of Hand Arm Vibration Syndrome.
Health surveillance.
We recommend a programme of health surveillance to detect early symptoms of vibration injury so that
management procedures can be modified accordingly.
Personal protective equipment.
We are not aware of any personal protective equipment (PPE) that provides protection against vibration injury
that may result from the uncontrolled use of this tool. We recommend a sufficient supply of clothing (including
gloves) to enable the operator to remain warm and dry and maintain good blood circulation in fingers etc. Please
note that the most effective protection is prevention, please refer to the Correct Use and Maintenance section in
these instructions. Guidance relating to the management of hand arm vibration can be found on the HSC website - Hand-Arm Vibration at Work.
© Jack Sealey Limited
Original Language Version
GSA70 Issue: 2 - 22/04/13
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