SEALEY S713G Gravity Feed Spray Guns User Manual

June 16, 2024
SEALEY

SEALEY S713G Gravity Feed Spray Guns User Manual

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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.

FIG 1.JPG

1. SAFETY

  • Familiarise yourself with the application, limitations and potential hazards peculiar to the spray gun.
    WARNING! Disconnect the spray gun from the air supply before changing accessories, servicing or performing any maintenance.

  •  Maintain the spray gun in good condition (use an authorised service agent).

  • Replace or repair damaged parts. Use authorised parts only. Unauthorised parts may be dangerous and will invalidate the warranty.

  • Keep the spray gun clean for best and safest performance.

  • Ensure that the compressed air system can supply the spray gun air consumption.

  • Wear approved safety respiratory protection and safety eye goggles.

  • If spraying isocynate based finisher, wear approved respirator/clean air breathing apparatus and cover exposed skin with latex gloves and an impervious hooded coverall.

  •  Remove ill-fitting clothing. Remove ties, watches, rings and other loose jewellery and tie back long hair.

  • Locate the spray gun in a suitable work area. Keep area clean and tidy and free from unrelated materials and ensure that there is adequate ventilation and lighting.

  • Keep children and unauthorised persons away from the work area.

  • When not in use, ensure that the air supply is turned off.

  • Avoid unintentional operation of spray gun.

  •  The spray gun has been treated with an anti-corrosive agent at the factory and MUST be flushed out thoroughly with thinners before use.

  • DO NOT point spray gun at yourself, other persons or animals.

  • DO NOT direct air from the air hose at yourself, other persons or animals.

  • DO NOT carry the spray gun by the hose, or yank the hose from the air supply.

  •  DO NOT exceed the maximum air pressure of 70psi.

  •  DO NOT use the spray gun for any purpose other than that for which it is designed.

  • DO NOT allow untrained persons to operate the spray gun.

  • DO NOT get the spray gun wet or use in damp or wet locations or in areas where there is condensation.

  • DO NOT operate the spray gun if any parts are missing or damaged as this may cause failure and/or personal injury.

  •  When not in use, disconnect the spray gun from the air supply, clean thoroughly and store safely.

2. INTRODUCTION

Gravity feed spray guns, ideal for automotive refinishing. 2-Stage trigger control. Adjustable spray width and fluid flow. Maintenance tools supplied. Available in three standard set-up sizes; 1.3, 1.4 and 1.7mm, each finished in a different colour for easy identification.

3. SPECIFICATION

FIG 2 SPECIFICATION.JPG

4. AIR SUPPLY

4.1. AIR SUPPLY

Recommended hook-up is shown in fig.1.

4.1.1. Ensure spray gun air valve (or trigger) is in the off position before connecting to the air supply.

4.1.2. You will require an air pressure of 30-70psi, and an air flow according to specification.

WARNING! Ensure the air supply is clean and does not exceed 70psi while operating the spray gun. 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.

4.1.3. Drain the air tank daily. Water in the air line will ruin the paint finish and damage the spray gun.

4.1.4. Clean air inlet filter weekly.

4.1.5. 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.

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

4.2. COUPLINGS

Vibration may cause failure if a quick change coupling is connected directly to the spray gun. To overcome this, connect a leader hose to the spray gun. A quick change coupling may then be used to connect the leader hose to the air line recoil hose (figs.1 and 2).

FIG 3 AIR SUPPLY.JPG

5. OPERATION

5.2.1. For best results, the gun should be held perpendicular to the surface being sprayed and moved parallel to it. Start the stroke before squeezing the trigger and release the trigger before finishing the stroke. This will enable accurate control of the gun and material (Fig.3B).

5.2.2. Spray from a distance of about 6 to 10 inches depending on the material and the atomizing pressure. The material deposited should always be even and wet. Each stroke must overlap the preceding stroke to obtain a uniform finish. To reduce over-spray and obtain maximum efficiency, spray with the lowest possible atomizing air pressure.
5.2.3. Controlling the fan spray and the fluid.

a) Use the fluid control knob (fig.4) to adjust the amount of paint flow. Turning it clockwise will decrease flow and anticlockwise will increase flow.

b) The spray width is controlled by the spray width adjustment knob, turn clockwise for a round pattern and anticlockwise for a fan pattern.

NOTE: As width of spray is increased, more paint must be allowed through the gun to obtain the same coverage in the increased area.

c) Turn the air nozzle to achieve a horizontal or vertical fan spray. Lock the nozzle with the retaining ring.
The spray pattern of the gun is variable from round to flat with all patterns in between. In normal operation, the wings on the nozzle are horizontal (fig.5).

This provides a vertical fan-shaped pattern which gives maximum, uniform and even coverage when moving the gun back and forth, parallel to the work surface (fig.6).

FIG 4 OPERATION.JPG

6. MAINTENANCE

FOR OPTIMUM PERFORMANCE IT IS VERY IMPORTANT TO ENSURE THE SPRAY GUN IS CORRECTLY CLEANED AFTER EACH USE.
Disconnect from the air supply before attempting any cleaning or maintenance.

6.1. CLEANING THE GUN

6.1.1. Immerse the front end of the gun only in solvent, until the solvent just covers the fluid connection. 8
DO NOT immerse the entire gun in solvent. This will cause lubricants to dissolve and packing to dry out. Dirty solvent may also clog the narrow passages in the gun.

6.1.2. Use a bristle brush and solvent to wash off accumulated paint.

6.1.3. Wipe the outside of the gun with a dampened solvent rag.

6.1.4. When finished spraying, flush the gun through with clean solvent.

6.1.5. If required, clean the nozzles by soaking them in solvent to dissolve any dried material and then use a brush. Blow them clean with air. Handle all nozzles carefully and do not make any alterations in the gun. If there is a need to probe the holes in the nozzles, ensure a tool that is softer than brass is utilised, under no circumstances use a metal tool, as the slightest amount of damage will adversely affect the
spray pattern.

6.1.6. Adjust the fluid needle valve so that when the gun is triggered, air flow occurs before fluid flow.

6.2. MAINTENANCE

Take care when re-assembling. Screw parts hand tight to avoid cross-threading. If a part cannot easily be turned by hand, check that it is the correct part, or unscrew it, realign and retry. DO NOT use excessive force when re- assembling.

6.3. When changing the nozzle size, ensure the complete nozzle set is fitted. This consists of air cap, fluid nozzle and paint needle. Insert the fluid nozzle before paint needle.

7. TROUBLESHOOTING

A faulty spray is usually caused by improper cleaning or dried material around the fluid nozzle tip or in the air nozzle. If cleaning is required, remove these parts and soak them in solvent. This will soften the dried material which can then be removed with a brush or a cloth. These parts are carefully machined and any damage to them will cause a faulty spray. If either the air nozzle or fluid nozzle are damaged, they must be replaced before a perfect spray can be obtained.

FIG 5 TROUBLESHOOTING.JPG

ENVIRONMENT PROTECTION
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted, taken to a recycling centre and disposed of in a manner which is compatible with the environment. When the product becomes completely unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and dispose of the product and fluids according to local regulations.

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 is required for any claim.

Sealey Group, Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR

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