Global Machinery Company DB250SMS Saw User Manual
Contents
1. 5 Using a Phillips head pointer screwdriver loosen fig i 13 Replace the top section of the fence and secure the and remove the screw that hex screw using the 6mm hex key secures the blade bolt Changing a blade EE Co 6 Pull the rotating blade guard 12 down then swing it up together with the blade bolt cover 14 When the rotating blade guard 12 is positioned over the upper fixed blade guard 9 it is possible to access the blade bolt fig j DANGER Never try to use a blade larger than the stated capacity of the saw It might come into contact with the blade guards Never use a blade that is too thick to allow the outer blade washer to engage with the flats on the spindle It will prevent the blade screw from properly securing the blade on the spindle Do not use the saw to cut metal or masonry Ensure that any spacers and spindle rings that may be required suit the spindle and the blade fitted 1 Make sure that the electncal plug is removed from the power point 2 Push down on the operating handle 7 and pull the release knob 6 to disengage the saw arm 5 The release knob 6 can be turned so that it is held in the retracted position fig g 15 7 Hold the rotating guard 12 up and press the spindle lock button 26 fig k Rotate the blade until the spindle locks 8 Use the 6mm hex key provided to loosen and remove the blade bolt Loosen in a clockwise direction as the blad2. Laser light assembly 24 Switch trigger 2 Laser light on off switch 25 Mitre lock 3 Laser cover 26 Spindle lock 4 Laser pitch control 27 Dust extraction port 5 Saw arm 28 Slide bars 6 Release knob 29 Slide lock 7 Operating handle 30 Trenching depth 8 Carrying handle adjustment screw 9 Upper fixed blade guard 31 Trenching stop 10 Clamp assembly 32 Trenching depth 11 Clamp assembly lock lock nut x2 33 45 Bevel adjustment 12 Rotating blade guard screw left 13 Guard retraction arm 34 45 Bevel adjustment 14 Blade bolt cover screw right 15 Dust bag 35 0 Bevel adjustment 16 Bevel lock SCrew 17 Bevel scale 36 Release latch 18 0 Bevel adjuster 37 Side support bars x2 19 Fence 38 Side support bar 20 6mm Hex key location holes 2 sets 21 Mitre table 39 Side support bar 22 Mitre scale locking screws 23 Table insert 40 Stabiliser bar kerf plate Unpacking Due to modern mass production techniques it 1s unlikely that your GMC Power Tool is faulty or that a part is missing If you find anything wrong do not operate the tool until the parts have been replaced or the fault has been rectified Failure to do so could result in serious personal injury 1 Remove all loose parts from the carton 2 Remove the packing matenals from around the saw 3 Using the carrying handle 8 carefully lift the saw from the carton and place it on a level work surface 4 The saw has been shipped with the sa
3. as prescribed it is not possible to eliminate all residual risk factors The following hazards may arise in connection with the tool s construction and design e Contact with the blade e Kickback of workpiece and parts of workpiece e Blade fracture e Catapulting of blade pieces e Damage to hearing if effective earmuffs are not worn e Harmful emissions of sawdust when the machine is used in closed rooms Always use supplementary dust extraction where possible Do not use blades that are deformed or cracked e Always remove the plug from the mains socket before making any adjustments or maintenance including changing the blade To ensure safe operation of the mitre saw you must follow these guidelines e Select the correct blade for the material to be cut e Do not use the saw to cut materials other than those recommended by the manufacturer e The mitre saw can be safely carried by the main handle but only once it has been removed from the mains power and secured in the locked down position Do not use the saw without the guards in position in good working order and properly maintained e Ensure that the arm is properly secure when bevelling e Keep the floor area around the machine level well maintained and free of loose materials Provide adequate lighting Ensure that you are trained in the use adjustment and operation of the machine Use correctly sharpened blades and observe the maximum speed ma
4. hand side of the blade align the right hand laser line with the pencil mark 5 Plug in the machine and start the motor 6 Press the release latch 36 7 When the blade is at its maximum speed approximately 2 seconds lower the blade through the workpiece 8 After completing the cut switch off the laser light on off switch 2 9 After each use clean the laser light assembly 1 as described below e Switch off the laser light switch 2 and then remove the plug from the power point e With the saw arm 5 in the raised position use a soft brush to dust away the sawdust build up around the assembly NOTE Wear eye protection whilst brushing the dust away Maintenance WARNING Always ensure that the tool is switched off and the plug is removed from the power point before making and adjustments or maintenance procedures Power cord maintenance If the supply cord needs replacing the task must be carned out by the manufacturer the manufacturer s agent or an authorised service centre in order to avoid a safety hazard Cleaning 1 Keep the tool s air vents unclogged and clean at all times 2 Remove dust and dirt regularly Cleaning 1s best done with a soft brush or a rag 3 Re lubricate all moving parts at regular intervals 4 Never use caustic agents to clean plastic parts CAUTION Do not use cleaning agents to clean the plastic parts of the saw A mild detergent on a damp cloth is recommended Gene
5. locked up out of reach 5 Do not force the tool The tool will do the job better and safer working at the rate for which it was designed 6 Use the correct tool for the job Do not force small tools or attachments to do the job best handled by a heavier duty tool Never use a tool for a purpose for which 1t was not intended 7 Dress correctly Do not wear loose clothing or jewellery They can be caught in moving parts Rubber gloves and non slip footwear are recommended when working outdoors If you have long hair wear a protective hair covering 8 Use safety accessories Safety glasses and earmuffs should always be worn A face or dust mask is also required if the drilling operation creates dust 9 Do not abuse the power cord Never pull the cord to disconnect the tool from the power point Keep the cord away from heat oil and sharp edges 10 Secure the workpiece Use clamps or a vice to hold the workpiece It is safer than using your hand and frees both hands to operate the tool 11 Do not overreach Keep your footing secure and balanced at all times 12 Look after your tools Keep tools sharp and clean for better and safer performance Follow the instructions regarding lubrication and accessory changes Inspect tool cords periodically and if damaged have them repaired by an authorised service facility Inspect extension cords periodically and replace them if damaged Keep tool handles dry clean and free from oil an
6. the slide lock 29 is screwed down to prevent the saw arm from sliding A crosscut is made by cutting across the grain of the workpiece A 90 crosscut is made with the mitre table set at 0 fig q Mitre crosscuts are made with the table set at some angle other than zero 1 Pull on the release knob 6 and lift the saw arm 5 to its full height 2 Loosen the mitre lock 25 3 Rotate the mitre table 21 until the pointer aligns with the desired angle 4 Retighten the mitre lock 25 WARNING Be sure to tighten the mitre lock before making a cut Failure to do so could result in the table moving during the cut and cause serious personal injury 5 Place the workpiece flat on the table with one edge securely against the fence 19 If the board is warped place the convex side against the fence If the concave side is placed against the fence the board could break and jam the blade 6 When cutting long pieces of timber support the opposite end of the timber with the side support bars 37 a roller stand or a work surface that is level with the saw table 7 Use the clamp assembly 10 to secure the workpiece wherever possible 8 It is possible to remove the clamp assembly 10 by loosening the clamp assembly lock 11 and moving it to the other side of the table Make sure the clamp assembly lock is tight before using the clamp fig r 9 Before turning on the saw perform a dry run of the cutt
7. the date of the original purchase If found to be defective in materials or workmanship the tool or the offending faulty component will be replaced free of charge with another of the same item A small freight charge may apply The warranty replacement unit is only made available by returning the tool to the place of purchase with a confirmed register receipt Proof of purchase is essential We reserve the night to reject any claim where the purchase cannot be verified This warranty does not include damage or defects to the tool caused by or resulting from abuse accidents or alterations It also does not cover any bonus accessories unless the tool is a GMC Platinum Professional model Please ensure that you store your receipt in a safe place Conditions apply to the above warranty If you need direction of what constitutes a free of charge warranty claim please review the guide given on the rear of the Receipt Holder An indication is given as to the types of claim that are permissible and those that are not Dear Customer If you require any help with your product whether it is a Warranty claim spare part or user information please phone our Help Line for an immediate response Phone 1300 880 001 in Australia or 0800 445 721 in New Zealand Introduction Your new GMC power tool will more than satisfy your expectations It has been manufactured under stringent GMC Quality Standards to meet superior performance criteri
8. the fence the board could break and jam the blade 7 When cutting long pieces of timber support the opposite end of the timber with the side bars 37 a roller stand or a work surface that is level with the saw table 8 Use the clamp assembly 10 to secure the workpiece wherever possible 9 It is possible to remove the clamp assembly 10 by loosening the clamp assembly lock 11 and moving it to the other side of the table Make sure the clamp assembly lock is tight before using the clamp 10 Before turning on the saw perform a dry run of the cutting operation to check that there are no problems 11 Hold the operating handle 7 firmly and squeeze the switch trigger 24 Allow the blade to reach maximum speed 12 Press the release latch 36 and slowly lower the blade into and through the workpiece 13 Release the switch trigger 24 and allow the saw blade to stop rotating before raising the blade out of the workpiece Wait until the blade stops before removing the workpiece Adjusting the laser lines The lower laser is factory set to emit a laser line along the right hand side of the blade The upper laser is factory set to emit a laser line to the left hand side of the blade This upper laser can be adjusted by the operator to suit blades of different kerf widths To adjust the position of the upper laser proceed as follows 1 Remove the laser cover by pulling it towards you 2 Switch on the laser l
9. INSTRUCTION MANUAL REDEYE Double Bevel Slide Compound Mitre Saw with Dual Laser Line Genera Cor REPLACEMENT B SATISFACTION WARRANTY GUARANTEE GLOBAL MACHINERY COMPANY Melbourne Perth Auckland Hang Kong Shanghai DHDBeSOUSMS e Taipei New York Verona London Paris DBIOSSMS 050805 EDU5 PR Contents Description of symbols Specifications Safety rules for laser lights General safety instructions Additional safety rules for mitre saws Accessories Know your product Unpacking Transportation Bench mounting Stabiliser bar Release knob Slide lock Mitre table lock Bevel lock Bevel adjuster Clamp assembly Spindle lock button Rotating lower blade guard Dust bag Attaching the side bars Trench depth adjustment Turning on and off Turning on the REDEYE laser line generator Setting the table square with the blade Setting the fence square with the table Changing a blade Cross cutting without slide action Cross cutting with slide action Bevel cut Compound mitre cut Adjusting the laser lines Using the laser line generator Maintenance Power cord maintenance Cleaning General inspection 9 Go GQ KW NK 6 0o 10 10 10 10 10 11 11 11 11 11 12 12 12 12 12 13 13 13 14 15 17 18 18 19 19 20 21 21 21 21 Full 2 Years Commercial and Trade Use Warranty This product is warranted for a 2 year period for commercial and trade use from
10. a You will find your new tool easy and safe to operate and with proper care it will give you many years of dependable service CAUTION Carefully read through this entire Instruction Manual before using your new GMC Power Tool Take special care to heed the Cautions and Warnings Your GMC power tool has many features that will make your job faster and easier Safety performance and dependability have been given top pnonty in the development of this tool making it easy to maintain and operate Description of symbols The rating plate on your tool may show symbols These represent important information about the product or instructions on its use Wear hearing protection Wear eye protection Wear breathing protection ni Double insulated for additional protection Conforms to relevant safety standards Environmental protection Recycle unwanted materials instead of 4 disposing of them as waste All tools hoses i and packaging should be sorted taken to the local recycling centre and disposed of in an environmentally safe way WARNING It may be more difficult to see the laser line in conditions of bnght sunshine and on certain surfaces Specifications DB250SMS DB305SMS Input power 2400W 2400W No load speed 5000 RPM 5000 RPM Blade size 250mm x 016mm bore 305mm x 016mm bore Number of teeth 24 30 Mitre table angles O to 52 left amp nght 0 to 52 left amp nght Bevel cuts 0 to 45 left
11. amp right 0 to 45 left amp right Straight cut 0 x 0 280mm x 80mm 305mm x 95mm Mitre cut 45 R x 0 196mm x 80mm 215mm x 95mm 52 R x 0 170mm x 80mm 186mm x 95mm 45 L x 0 196mm x 80mm 215mm x 95mm 52 L x 0 170mm x 80mm 186mm x 95mm Bevel cut 0 x 45 R 280mm x 27mm 305mm x 42mm 0 x 45 L 280mm x 52mm 305mm x 52mm Compound mitre cut 45 R x 45 R 196mm x 27mm 52 R x 45 R 170mm x 27mm 45 L x 45 L 196mm x 52mm 52 L x 45 L 170mm x 52mm 215mm x 42mm 186mm x 42mm 215mm x 52mm 186mm x 52mm Safety rules for laser lights The laser light laser radiation used in the GMC Redeye system is Class 2 with maximum 1mM and 400nm 700nm wavelengths These lasers do not normally present an optical hazard although staring at the beam may cause flash blindness WARNING Do not stare directly at the laser beam A hazard may exist if you deliberately stare into the beam please observe all safety rules as follows e The laser shall be used and maintained in accordance with the manufacturer s instructions Never aim the beam at any person or an object other than the workpiece The laser beam shall not be deliberately aimed at personnel and shall be prevented from being directed towards the eye of a person for longer than 0 25s Always ensure the laser beam is aimed at a sturdy workpiece without reflective surfaces I e wood or rough coated surfaces
12. are acceptable Bright shiny reflective sheet steel or the like is not suitable for laser use as the reflective surface could direct the beam back at the operator Do not change the laser light assembly with a different type Repairs must be carried out by the laser manufacturer or an authorised agent CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure Please refer to the relevant Australian standards AS 2397 and AS NZS2211 for more information on Lasers General safety instructions To use this tool properly you must observe the safety regulations the assembly instructions and the operating instructions to be found in this Manual All persons who use and service the machine have to be acquainted with this Manual and must be informed about its potential hazards Children and infirm people must not use this tool Children should be supervised at all times if they are in the area in which the tool is being used It is also imperative that you observe the accident prevention regulations in force in your area The same applies for general rules of occupational health and safety WARNING When using power tools basic safety precautions should always be taken to reduce the risk of fire electric shock and personal injury Also please read and heed the advice given in the additional important safety instructions Even when the tool is used
13. crews 33 amp 34 are on opposite sides of the saw arm You will require a 13mm wrench or adjustable wrench not supplied for the lock nut fig a and the 6mm hex key for the set screws fig b Setting the fence square with the table 1 Make sure that the electrical plug is removed from the power point 2 Push the saw arm 5 down to its lowest position and engage the release knob 6 to hold the saw arm in the transport position 3 Loosen the mitre lock 25 4 Rotate the table 21 until the pointer is positioned at 0 5 Tighten the mitre lock 25 6 Using the 6mm hex key loosen the hex screw securing the top piece of the nght hand side fence fig c and remove this top section 7 Using the 6mm hex key provided loosen the four screws securing the fence 19 to the base fig d 8 Place a square against the fence 19 and alongside the blade fig e 9 Adjust the fence 19 until it is square with the blade 10 Tighten the screws securing the fence 19 11 Loosen the Phillips head screw holding the pointer of the mitre scale 22 and adjust it so that it accurately indicates the zero position on the mitre scale fig f 12 Retighten the screw securing the mitre scale 3 Raise the saw arm 5 to its highest position 4 Using a Phillips head screwdriver loosen and remove the screw that secures the guard retraction arm 13 to the rotating blade guard fig h
14. d grease 13 Disconnect idle tools Switch off the power and disconnect the plug from the power point before servicing when changing accessories and when the tool 1s not in use 14 Remove adjusting keys and wrenches Check to see that keys and adjusting wrenches are removed from the tool before switching on 15 Avoid unintentional starting Always check that the switch is in the OFF position before plugging in the tool to the power supply Do not carry a plugged in tool with your finger on the switch 16 Use outdoor rated extension cords When a tool is used outdoors use only extension cords that are intended for outdoor use and are so marked 17 Stay alert Watch what you are doing Use common sense Do not operate a power tool when you are tired 18 Check for damaged parts Before using a tool check that there are no damaged parts If a part is slightly damaged carefully determine if it will operate properly and perform its intended function Check for alignment of moving parts binding of moving parts breakage of parts proper mounting and any other conditions that may affect the operation of the tool A part that is damaged should be properly repaired or replaced by an authorised service facility unless otherwise indicated in this Instruction Manual Defective switches must be replaced by an authorised service facility Do not use a tool 1f the switch does not turn the tool on and off correctly 19 Guard against el
15. de with a piece of wood Let the blade come to rest naturally If you are interrupted when operating the saw complete the process and switch off before looking up Periodically check that all nuts bolts and other fixings are properly tightened Do not store matenals or equipment above a machine in such a way that they could fall into it Always hold the saw on parts that are insulated If you accidentally cut into hidden wiring or the saw s own cable the metal parts of the saw will become live Switch off at the mains and remove the plug immediately Never saw near combustible liquids or gases Note the direction of rotation of the motor and the blade Do not lock the movable guard in the open position and always ensure that it is working properly freely rotating and returning to fully cover the teeth of the blade Connect the saw to a dust collection devise and ensure that it is operated properly As the operator of the saw please make sure that you understand factors that influence exposure to dust including the type of material to be machined the importance of local extraction and the proper adjustment of hoods baffles shoots of your dust extraction system We recommend that you always wear a dust mask when operating this saw Wear gloves when handling saw blades and rough matenals Saw blades shall be carned in a holder wherever possible Select saw blades in relation to the matenal being cut Use correctly sharpe
16. e screw has a left hand thread fig l 9 Remove the flat washer and outer blade washer and the blade 10 Wipe a drop of oil onto the inner blade washer and the outer blade washer where they contact the blade 11 Fit the new blade onto the spindle taking care that the inner blade washer sits behind the blade fig m CAUTION To ensure correct blade rotation always install the blade with the blade teeth and the arrow printed on the side of the blade pointing down The direction of blade rotation is also stamped with an arrow on the upper blade guard 16 T2 13 14 15 1 17 18 S Replace the outer blade washer fig n Depress the spindle lock button 26 and replace the flat washer and blade bolt Use the 6mm hex key to tighten the blade bolt securely tighten in an anti clockwise direction Lower the blade guard hold the rotating lower blade guard 12 and blade bolt cover 14 in position and tighten the fixing screw fig o Replace the guard retraction arm and secure onto the rotating blade guard fig p Check that the blade guard operates correctly and covers the blade as the saw arm is lowered Connect the saw to the power supply and run the blade to make certain that it is operating correctly Cross cutting without slide action When cutting a narrow piece of wood it 1s not necessary to use the slide mechanism In these cases ensure that
17. e saw fig D The saw must never be used with the release knob locking the head down Slide lock When tightened the slide lock 29 prevents the saw head from sliding Tighten the slide lock during transportation fig E WARNING Be sure to tighten the bevel lock before making a cut Failure to do so could result in the saw arm moving during the cut and cause serious personal injury 0 Bevel adjuster The bevel adjuster 18 needs to be pulled out before the bevel angle can be adjusted fig H To retum the saw arm to the vertical 0 bevel position move the saw arm to the left and push in the 0 bevel adjuster Return the saw blade to the vertical position it will automatically stop at the 0 bevel position Tighten the bevel lock Mitre table lock The mitre table lock 25 is used to lock the table at the desired mitre angle fig F The mitre saw cuts from 0 to 45 both left and nght To adjust the mitre angle loosen the mitre table lock and using the mitre table handle adjust the mitre angle to the desired position The mitre a tres posite ck stops at O 18 22 5 30 iter sile of the saw Ble to suit the task at hand WARNING Be sure to tighten the mitre table lock before fig I making a cut Failure to do so could result in the table moving during the cut and cause serious personal injury Clamp assembly The clamp assembly 10 can be mounted to the fence Use the clamp as
18. e the saw to cut metal or masonry Do not let anyone under 18 years operate this saw e Ensure that the operator is adequately trained in the use adjustment and operation of the machine Do not use this saw to cut firewood e Keep the area free of tnpping hazards e Report faults in the machine including guards and saw blades as soon as they are discovered e Ensure that the machine is always fixed to a bench whenever possible e Always stand to one side when operating the saw e Never use a cracked or distorted saw blade e When cutting round wood use clamps that prevent the workpiece from turning on both sides of the blade Never use your hands to remove sawdust chips or waste close by the blade Use only blades as recommended by the manufacturer and which conform to EN 847 1 Do not use blades of High Speed Steel HSS blades If the table insert is damaged or worn have it replaced by an authorised service centre Rags cloths cord and string and the like should never be left around the work area Avoid cutting nails Inspect the workpiece and remove all nails and other foreign objects before beginning sawing Support the work properly Refrain from removing any cut offs or other parts of the workpiece from the cutting area whilst the machine is running and the saw head is not in the rest position Do not attempt to free a jammed blade before first switching off the machine Do not slow or stop a bla
19. ectric shock Prevent body contact with grounded objects such as water pipes radiators cookers and refrigerator enclosures 20 Use only approved parts When servicing use only identical replacement parts Use an authorised service facility to fit replacement parts WARNING The use of an accessory or attachment other than those recommended in this Instruction Manual may present a risk of personal injury Additional safety rules for mitre saws WARNINGS Before connecting a tool to a power source mains switch power point receptacle outlet etc be sure that the voltage supply 1s the same as that specified on the nameplate of the tool A power source with a voltage greater than that specified for the tool can result in serious injury to the user as well as damage to the tool If in doubt do not plug in the tool Using a power source with a voltage less than the nameplate rating is harmful to the motor Your tool is double insulated for additional protection against a possible electncal insulation failure within the tool Always remove the plug from the mains socket before making any adjustments or maintenance including changing the blade e When operating the saw use safety equipment including safety goggles or shield ear protection dust mask and protective clothing including safety gloves e Ensure that there is adequate general or localised lighting e Do not use the saw unless the guards are in place e Do not us
20. ft the saw arm to its full height 2 Loosen the mitre lock 25 3 Rotate the mitre table 21 until the pointer aligns with zero on the mitre scale 22 4 Retighten the mitre lock 25 WARNING Be sure to tighten the mitre lock before making a cut Failure to do so could result in the table moving during the cut causing serious personal injury 5 Loosen the bevel lock 16 and pull out the 0 bevel adjuster Move the saw arm 5 to the left or nght to the desired bevel angle between 0 and 45 Tighten the bevel lock 16 6 Place the workpiece flat on the table with one edge securely against the fence 19 If the board is warped place the convex side against the fence If the concave side is placed against the fence the board could break and jam the blade 7 When cutting long pieces of timber support the opposite end of the timber with the side bars 37 a roller stand or a work surface that is level with the saw table 8 Use the clamp assembly 10 to secure the workpiece wherever possible 9 It is possible to remove the clamp assembly 10 by loosening the clamp assembly lock 11 and moving it to the other side of the table Make sure the clamp assembly lock is tight before using the clamp 10 Before turning on the saw perform a dry run of the cutting operation to check that there are no problems 11 Hold the operating handle 7 firmly and squeeze the switch tngger 24 Allow the blade to
21. ights with the on off switch 2 fig w 3 Using a Phillips head screwdnver not supplied adjust the position of the line from the upper laser by turning the laser pitch control 4 fig x 4 Adjust until the left hand laser line is aligned with the left hand side of the blade 5 Switch off the laser lights Using the laser line generator WARNINGS Do not stare directly at the laser beam Never aim the beam at any person or an object other than the workpiece Do not deliberately aim the beam at personnel and ensure that it is not directed towards the eye of a person for longer than 0 25s Always ensure the laser beam is aimed at a sturdy workpiece without reflective surfaces Wood or rough coated surfaces are acceptable Bright shiny reflective surfaces are not suitable for laser use as the reflective surface could direct the beam back at the operator Always remember to switch off the laser on off switch 2 after finishing a job Only tum the laser beam on when the workpiece is on the mitre saw table 1 Mark the line of the cut on the workpiece 2 Adjust the angle of mitre and bevel of the cut as required 3 Switch on the laser light on off switch 2 4 Clamp the workpiece in position using the laser lines to align the blade with the pencil mark on the workpiece 20 NOTE To cut to the left hand side of the blade align the left hand laser line with the pencil mark To cut to the right
22. ing operation to check that there are no problems 10 Hold the operating handle 7 firmly and squeeze the switch trigger 24 Allow the blade to reach maximum speed 11 Press the release latch 36 fig s and iiia lower the blade into and through the workpiece 12 Release the switch trigger 24 and allow the saw blade to stop rotating before raising the blade out of the workpiece Wait until the blade stops before removing the workpiece Cross cutting with slide action When cutting wide workpieces first unscrew the slide lock 29 1 Pull on the release knob 6 raise the saw arm 5 to its highest position and slide 1t towards you fig t 2 Hold the handle firmly and squeeze the switch trigger 24 Allow the blade to reach maximum speed 3 Press the release latch 36 and slowly lower the blade into the workpiece and slide 1t away from you at the same time until the workpiece is cut 4 Release the switch trigger 24 and allow the saw blade to stop rotating before raising the blade out of the workpiece Wait until the blade stops before removing the workpiece Bevel cut A bevel cut is made by cutting across the grain of the workpiece with the blade angled to the fence and mitre table The mitre table is set at the zero degree position and the blade set at an angle between 0 and 45 fig u Use the slide action when cutting wide workpieces 1 Pull on the release knob 6 and li
23. ned saw blades and observe the maximum speed marked on the blade Take additional care when trenching slotting The mitre saw can be safely cared by the carrying handle but only once it has been removed from the mains power and secured in the locked down position Ensure that the arm is properly secure when bevelling Keep the floor area around the machine level well maintained and free of loose materials Ensure that you are trained in the use adjustment and operation of the machine Do not remove any cut offs from the cutting area until the guard is fully locked in placed and the blade has come to rest When cutting long pieces which extend well over the table width ensure that the ends are adequately supported at the same height as the saw table top Supports should be positioned in such a way to ensure that the workpiece does not fall to the ground once the cut has been made A number of supports at regular intervals may be required if the workpiece 1s extremely long Wear goggles Wear earmuffs Wear a breathing mask Accessories The GMC DB250SMS DB305SMS Double Bevel Slide Compound Mitre Saw is supplied with the following accessones as standard e Saw blade fitted e Workpiece clamp e 6mm Hex key e Side bars x2 e Stabiliser Bar e Dust bag e Instruction manual e Receipt holder Know your product Before using the saw familiarise yourself with all the operating features and safety requirements 1
24. ral inspection Regularly check that all the fixing screws are tight They may vibrate loose over time 21 22 23 Carefully read the entire Instruction Manual before using this product Before returning this product for a Warranty Claim or any other reason Please Call 1300 880 001 Australia or 0800 445 721 New Zealand When you make your call please have the following information at hand e GMC Product Type GMC Product Code A GMC Service Engineer will take your call and in most cases will be able to solve your problem over the phone You are welcome to use this phone in service to make suggestions or give comments about any GMC product GIL GLOBAL MACHINERY COMPANY 45 55 South Centre Road Melbourne Airport Victoria Australia 3045 Tel 03 8346 1100 Fax 03 8346 1200 With continuing product development changes may have occurred which render the product received slightly different to that shown in this instruction manual The manufacturer reserves the right to change specifications without notice Note Specifications may differ from country to country 7 DAYS A WEEK 7AM 7 PM esr The GMC 777 Helpline operates from 7am to 7pm 7 days a week EST This allows you to contact GMC directly with any queries and technical questions you have regarding our products Save this Manual for future reference
25. reach maximum speed 12 Press the release latch 36 and slowly lower the blade into and through the workpiece 13 Release the switch tngger 24 and allow the saw blade to stop rotating before raising the blade out of the workpiece Wait until the blade stops before removing the workpiece Compound mitre cut A compound mitre cut involves using a mitre angle and a bevel angle at the same time fig v It is used in making picture frames to cut mouldings making boxes with sloping sides and for roof framing Always make a test cut on a piece of scrap wood before cutting into the good material Use the slide action when cutting wide workpieces 1 Pull on the release knob 6 and lift the saw arm to its full height 2 Loosen the mitre lock 25 3 Rotate the mitre table 21 until the pointer aligns with the desired angle on the mitre scale 22 4 Retighten the mitre lock 25 WARNING Be sure to tighten the mitre lock before making a cut Failure to do so could result in the table moving during the cut causing serious personal injury 5 Loosen the bevel lock 16 and pull out the 0 bevel adjuster 18 and move the saw arm 5 to the left or nght to the desired bevel angle between 0 and 45 Tighten the bevel lock 16 6 Place the workpiece flat on the table with one edge securely against the fence 19 If the board is warped place the convex side against the fence If the concave side is placed against
26. rked on the blade Do not remove any cut offs from the cutting area until the guard is fully locked in place and the blade has come to rest Ensure that the mitre saw 1s fixed to a bench wherever possible When cutting long pieces which extend well over the table width ensure that the ends are adequately supported at the same height as the saw table top Supports should be positioned in such a way to ensure that the workpiece does not fall to the ground once the cut has been made A number of supports at regular intervals may be required if the workpiece is extremely long WARNING When using power tools basic safety precautions should always be taken to reduce the nsk of fire electric shock and personal injury Also please read and heed the advice given in the additional important safety instructions 1 Keep the work area clean and tidy Cluttered work areas and benches invite accidents and injury 2 Consider the environment in which you are working Do not use power tools in damp or wet locations Keep the work area well lit Do not expose power tools to rain Do not use power tools in the presence of flammable liquids or gases 3 Keep visitors away from the work area All visitors and onlookers especially children and infirm persons should be kept well away from where you are working Do not let others in the vicinity make contact with the tool or extension cord 4 Store tools safely When not in use tools should be
27. sembly lock 11 at the back of the fence to secure the clamp assembly in position fig J Bevel lock The bevel lock 16 is used to set the blade at the desired bevel angle fig G The mitre saw bevel cuts from 0 to 45 to the left and nght To adjust the bevel angle loosen the bevel lock and pull out the 0 bevel adjuster 18 Adjust the saw arm to the desired bevel angle 11 Spindle lock button The spindle lock button 26 prevents the blade in the saw from rotating fig K Depress and hold the spindle lock button while installing changing or removing the blade Rotating lower blade guard The rotating lower blade guard 12 provides protection from both sides of the blade fig L It retracts over the upper blade guard 9 as the saw 1s lowered into the workpiece Dust bag The dust bag 15 fits over the dust extraction port 27 For more efficient operation empty the dust bag when it is no more than half full This allows better air flow through the bag fig M Attaching the side bars The side support bars 37 help to support the matenal when working with long workpieces There are two location holes 38 for a support bar on either side of the table Loosen the lock screws 39 with the 6mm hex key Ensure the side bars are fully inserted before using them to support the workpiece fig N The side support bar locking screws 39 must be tightened to secure the
28. support bars in position fig 0 Trench depth adjustment In its normal position the trenching stop 31 permits the saw blade to cut nght through a workpiece When the saw arm is lifted the trenching stop can be moved to the left so that the trenching depth adjustment screw 30 contacts the stop as the saw arm is lowered fig P This restricts the cut to a trench in the workpiece The depth of the trench can be adjusted with the trenching depth adjustment screw 30 fig Q and locked in position with the trenching depth lock nut 32 fig R Turning on and off 1 To turn the saw on depress and hold the on off trigger switch 24 fig S 2 To tum the saw off release the on off tngger switch 24 Turning on the REDEYE laser line generator The REDEYE laser line generator emits 2 intense narrow beams of pure red light to guide you as you cut It improves operator cutting vision enables faster set up increases accuracy and improves safety To turn on the laser lines press the laser light on off switch 2 fig T To turn off the laser press the laser light on off switch 2 one more time Setting the table square with the blade 1 Make sure that the electncal plug is removed from the power point 2 Push the saw arm 5 down to its lowest position and engage the release knob 6 to hold the saw arm in the transport position 3 Loosen the mitre lock 25 fig U 4 Ro
29. tate the table 21 until the pointer is positioned at 0 5 Tighten the mitre lock 25 6 Loosen the bevel lock 16 and set the saw arm 5 at 0 bevel the blade at 90 to the mitre table Tighten the bevel lock 16 fig V 7 Place a set square against the table 21 and the flat part of the blade fig W Note Make sure that the square contacts the flat part of the saw blade not the teeth 8 Rotate the blade by hand and check the blade to table alignment at several points 9 The edge of the set square and the saw blade should be parallel 10 If the saw blade angles away from the set square adjust as follows 11 Use a 13mm wrench or adjustable wrench to loosen the lock nut securing the 0 bevel adjustment screw 35 fig X Also loosen the bevel lock 16 12 Adjust the 0 bevel adjustment screw 35 with the 6mm hex key to bring the saw blade into alignment with the square fig Y 13 Loosen the 2 Phillips head screws holding the pointer of the bevel scale 17 and adjust the position of the pointer so that it accurately indicates zero on the scale fig Z Retighten the screw 14 Retighten the bevel lock 16 and the lock nut securing the 0 bevel adjustment screw 35 Note The above procedure can also be used to check the angle of the saw blade to the table at either 45 bevel angle to the left or to the right The 45 bevel adjustment s
30. w arm locked in the down position To release the saw arm push down on the top of the saw arm pull on the release knob 6 rotate 1t 45 and let go slowly raise the saw arm WARNING Do not lift the saw whilst holding on to the guards Use the carrying handle 8 Transportation Lift the mitre saw only when the saw arm is locked in the down position the saw is switched off and the plug is removed from the power point Only lift the saw by the carrying handle 8 or outer castings fig A Do not lift the saw using the guard or operating handle 7 Bench mounting The saw base has holes in each corner to facilitate bench mounting fig B 1 Mount the saw to a level honzontal bench or work table using bolts not supplied and fix the saw to the bench using 4 bolts 2 If desired you can mount the saw to a piece of 13mm or thicker plywood which can then be clamped to your work support or moved to other job sites and re clamped CAUTION Make sure that the mounting surface is not warped as an uneven surface can cause binding and inaccurate sawing Stabiliser bar When the saw is not fitted to a bench always fit the stabiliser bar 40 into the holes at the rear of the saw base fig C The stabiliser helps prevent the saw from tipping backwards when the slide action is used Release knob The release knob 6 is provided for holding the cutting head down whilst transporting or storing the mitr
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