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COMPOSITE AIR NEEDLE SCALER 

MODEL NO: 

SA661

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.

IMPORTANT:

 PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS & CAUTIONS. USE 

THE PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO MAY CAUSE DAMAGE AND/OR 
PERSONAL INJURY AND WILL INVALIDATE THE WARRANTY. KEEP THESE INSTRUCTIONS SAFE FOR FUTURE USE.

SA661  Issue 4  01/07/20

Original Language Version

© Jack Sealey Limited

1.  SAFETY

 

‰

 

WARNING!

 Ensure health & safety, local authority, and general workshop practice regulations are adhered to when using this equipment.

 

‰

 

WARNING!

 Disconnect from air supply before changing accessories or servicing.

 

9

 Maintain the needle scaler in good condition and replace any damaged or worn parts. 

Use genuine parts only. Unauthorised parts may be  

dangerous and will invalidate the warranty.

 

‰

 

WARNING!

 Check correct air pressure is maintained and not exceeded. We recommend 90psi. 

 

9

 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.

 

9

 

Only use needles which are specifically designed for use with a needle scaler.

 

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 Wear approved safety eye/face shield, ear defenders, and hand protection.

 

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 Maintain correct balance and footing. Ensure the floor is not slippery and wear non-slip shoes.

 

9

 Keep children and non essential persons away from the working area.

 

8

 

DO NOT

 use the needle scaler for a task it is not designed to perform. 

 

‰

 

WARNING!

 

DO NOT

 use needle scaler if damaged or thought to be faulty. (Contact Sealey service agent).

 

8

 

DO NOT

 use needle scaler unless you have been instructed in its use by a qualified person.

 

8

 

DO NOT

 carry the needle scaler by the air hose, or yank the hose from the air supply. 

 

8

 

DO NOT

 operate needle scaler if you are tired or under the influence of alcohol, drugs or intoxicating medication.

 

8

 

DO NOT

 carry needle scaler with your hand on the power trigger in order to avoid unintentional starting.

 

8

 

DO NOT

 direct air from the air hose at yourself or others.

 

9

 When not in use disconnect from air supply and store in a safe, dry, childproof location.

2.  INTRODUCTION

Suitable for cleaning heavy paint and rust scale from metal surfaces. Composite housing protects user from chill and helps to reduce 

vibration. Palm control trigger mechanism. Directional, low noise air exhaust can be rotated 360°, giving operator added protection. 

Replacement needle set available.

3.  SPECIFICATION

Model No .................................................................... SA661

Air Consumption:............................................................ 6cfm

Free Speed: ............................................................ 4600bpm

Inlet Size:  .................................................................1/4”BSP

Nett Weight:  ................................................................. 1.3kg

Noise Power/Pressure:   ...................................... 92/90dB(A) 

Operating Pressure: ...................................................... 90psi

Stroke .......................................................................... 38mm

Vibration/Uncertainty:  ........................................ 4.9/2.45m/s²

Consumable Parts:

 (Sold Separately) 

SA51/16

 - Replacement Needle Set (12pc)

4.  ASSEMBLY

4.1.    

Screw the scaling head fully onto the body as indicated in (fig.1).

4.2.    

AIR  SUPPLY

 

‰

  

WARNING!

 Ensure the air supply is clean and does not exceed 90psi while operating the needle scaler. Too high an air pressure and  

  unclean air will shorten the product life due to excessive wear, and may be dangerous causing damage and/or personal injury.

 

4.2.1.   

Ensure needle scaler trigger is not depressed before connecting to the air supply.

4.2.2.   

You will require an air pressure of 90psi, and a minimum air flow of 6cfm. 

 

4.2.3.   

Drain the air tank daily. Water in the air line will damage the needle scaler. 

4.2.4.   

Clean air inlet filter weekly. Recommended hook-up procedure is shown in (fig.2).

4.2.5.   

Line pressure should be increased to compensate for unusually long air hoses (over 8 metres). The minimum hose diameter should be  

 

1/4” internal diameter and fittings must have compatible dimensions. 

4.2.6.   

Keep hose away from heat, oil and sharp edges. Check hose for wear, and make certain that all connections are secure. 

fig.1

Refer to 

instructions

 Wear eye 

protection

 Wear protective 

gloves

Wear ear 

protection

 Wear protective 

clothing

 Wear a mask

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