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PAGE 6

VL303EX Chisel Scaler

FOREWORD

GENERAL INFORMation

Thank you for your purchase of the VL303EX Chisel Scaler. 
This manual contains the necessary maintenance information 
for you to ensure proper operation and care for this machine. 
It is essential for you to read through this manual thoroughly. 
In the unlikely event that you experience problems with your 

VL303EX Chisel Scaler, please do not hesitate to contact your 
local Trelawny dealer or agent. We always welcome feedback 
and comments from our valued customers.

Before operating, performing maintenance or repairing 
the VL303Ex Chisel Scalers, this manual must be read and 
understood. If in any doubt, ask your supervisor before using 
this equipment. 

Local safety regulations must be followed at all times. Failure 
to follow these instructions could result in damage to the 
Scaler and/or personal injury. Operators should be familiar 

with the data given in the specification section. Please keep 

these instructions in a safe and accessible place. 

Trelawny SPT Limited disclaims all responsibility for damage 
to persons or objects arising as a consequence of incorrect 
handling of the tool, failure to inspect the tool for damage or 

other faults that may influence the operation prior to starting 

work, or failure to follow the safety regulations listed or 
applicable to the job site. The tool is primarily designed for the 
removal of paint, rust, scale, and for the removal of laitance 
from concrete, it can be used both indoors and out. This tool 

must not be used in a fixture.

WARNING! Before operating, performing maintenance 
or repairing the VL303Ex this manual must be read and 
understood. If in any doubt, ask your supervisor before 
using this equipment.

SAFETY

Do:

-  Be aware that this tool is not electrically insulated.

-  Be aware that the tool can create dust and flying debris.

- Keep hands and clothing away from moving parts.
-  Be aware of others working around you.
-  Ensure that this tool is lubricated daily.
-  Store this tool in a secure and dry environment.
-  Wear Personal Protective Equipment including safety 

goggles, footwear, ear defenders and gloves. In some 
environments it will be necessary to wear facemasks or 
breathing apparatus.

-  Always observe safe-working practices at all times.

Do not:

-  Allow the tool to run unattended.
-  Use the scaler as a lever.
-  Modify this tool in any way, this will invalidate the warranty 

and could also lead to serious injury.

-  Use wire or any other fixing to lock the throttle lever in the 

on/open position.

-  Drag the tool by the air hose.

-  Use petrol (gasoline), thinners or any other high flash point 

solvent to clean the tool.

-  Use the tool if you become tired, this can lead to physical 

strain or injuries; where practical; use a spring balance, 
balance weights or similar equipment to take the weight of 
the tool.

-  Hold the exposed chisel, whilst the tool is in use, this could 

cause vibration damage to the hands.

Please note: Unrestrained hoses can whip if they become 
detached. Care must be taken to avoid damaging or tripping 
over the trailing air hose.

WARNING! Always observe safe-working practices at  
all times.

Summary of Contents for VL203Ex

Page 1: ...www trelawny co uk www trelawny co uk VL303ex chisel SCALER operations and maintenance manual ...

Page 2: ...ive you many years of dependable service WARNING Carefully read through these original instructions before using your new Trelawny tool Take special care to read the warnings Your Trelawny tool has many features that will make your job faster and easier Safety performance and dependability have been given top priority in the development of this tool making it easy to maintain and operate ENVIRONME...

Page 3: ...ercussive Tools EN ISO 4414 2010 General rules and safety requirements EN ISO 4414 SAFE PNEUMATIC EQUIPMENT OF MACHINERY Conformity with the following relevant legislation 2014 34 EU ATEX DIRECTIVE Based on following harmonised standards EN 60079 0 2018 EN ISO 80079 36 2016 EN ISO 80079 37 II 2 G Ex h IIC T4 Gb II 2 D Ex h IIIC T135 C Db www trelawny co uk Email sales trelawny co uk Tel 44 0 1926 ...

Page 4: ...gnaçáo do produto Modelo Nümero de Série Ano de produçáo a que esta declaraçáo se refere está em conformidade com o preceituado nas Directivas e Normas Comunitárias abaixo indicadas 98 37 EC DIRECTIVA DE MÁQUINAS 73 23 EC DIRECTIVA DE BAIXA VOLTAGEM Aplicável apenas a produtos que utilzi am energia eléctrica FI ILMOITUSVAHVISTUS Me Trelawny SPT Limited Vahvistamme tuotteiden toimittamisesta valmis...

Page 5: ... on the compressor intake 2 For air compressors used in conjunction with the Scaling Hammers only lubricants that are resistant to carbonisation shall be used 3 The external painted surfaces of the equipment are not to be exposed to charging mechanisms stronger than manual rubbing 4 Air supply hoses used in conjunction with the equipment must be manufactured from anti static material with a surfac...

Page 6: ...rom concrete it can be used both indoors and out This tool must not be used in a fixture WARNING Before operating performing maintenance or repairing the VL303Ex this manual must be read and understood If in any doubt ask your supervisor before using this equipment SAFETY Do Be aware that this tool is not electrically insulated Be aware that the tool can create dust and flying debris Keep hands an...

Page 7: ...pressure for this machine is to 6 2bar 90psi Do not let the operating pressure fall below 5 5bar 80psi or rise above 6 9bar 100psi absolute maximum The compressor should be able to supply a minimum of 3 77 L s 8cfm of free air not displaced as quoted by some compressor manufactures this will give 3cfm of headroom so that the compressor isn t continually running NOTE If this tool stops working it i...

Page 8: ...he vertical position using the flats provided Use a suitable 6mm bar through the holes provided unscrew the Intermediate Tube 22 anticlockwise Carefully remove the Intermediate Tube from the cover and remove the Cylinder from its location hole in the Cylinder Guide Plate which is fitted in the cover The Cylinder Guide Plate 12 can be pulled out of the cover to gain access to the Guide Plate Seal 1...

Page 9: ... Finally tighten by using a 6mm bar x 200mm through the holes provided Do not over tighten Gently insert the Piston small diameter first into the Intermediate Tube if resistance is felt turn the piston slightly until it is located in the cylinder Note When removing tool from vice do not point the front of the tool downward the piston will fall out of the tube and become damaged Remove the tool fro...

Page 10: ...PAGE 10 VL303EX Chisel Scaler EXPLODED DIAGRAM ...

Page 11: ...9 809 3004 Piston Cushion 22 622 3031 Intermediate Tube 23 721 3003 Intermediate Tube Outer Sleeve 24 814 3003 Circlip 25 809 0299 Front Tube Locking O Ring 26 612 3003 Piston 28 636 3003 Valve Pin 29 829 3002 Piston Ring 32 712 3003 Front Spring 33 620 3003 Front Tube Insert 34 622 3030 Front Tube 35 729 3003 Cylinder Stem Reaction Ring 36 610 3003 Anvil 37 419 3003 Chisel Holder 1 2 square shank...

Page 12: ...ur company has any problem with our products or would like to discuss the possibility of an improvement being made to them then please do not hesitate to contact us Your comments are both important and appreciated Trelawny tools are thoroughly tested under specified conditions in accordance with applicable internationally recognised standards When a tool is used on site the conditions may not be t...

Page 13: ...www trelawny co uk notes ...

Page 14: ...PAGE 14 VL303EX Chisel Scaler notes ...

Page 15: ...www trelawny co uk notes ...

Page 16: ...ed Kingdom Manual Part Number 735 3607 Telephone 44 0 1926 883781 Fax 44 0 1926 450352 Email sales trelawny co uk Website www trelawny co uk Part number information Part number 196 3017 VL303Ex Chisel scaler ATEX Certified Needle Scalers are also available Part number 196 2107 VL223Ex Needle Scaler Part number 196 2207 VL203Ex Needle Scaler Part number 196 3007 VL303Ex Needle Scaler ...

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