Disc Sander TG 250/E Manual - Proxxon Tools
Contents
1. Do not allow brake fluids gasoline or penetrating oils to come in contact with the plastic parts They contain chemicals that can damage or destroy plastics Turn switch OFF and always remove plug from power source before making any adjustments or repairs All electrical or mechanical repairs should be done only by qualified service technicians When servicing use only PROXXON replacement parts Use of any other parts may create a hazard or cause product damage Any attempt to repair or replace electrical parts on this disk sander may create a hazard unless repair is done by a qualified service technician Repair service is available at your PROXXON service center You find the address at address at the back of this manual2. grinding plate using a blunt knife or a chisel and remove the abrasive disk halfway The disk can be easily removed from the plate by heating the adhesive with a hot air blower Important Do not damage the grinding plate 3 Turn the grinding plate approx 180 and remove the rest of the disk Attaching New Sheet of Abrasive Material Note Thoroughly clean the grinding plate before applying the new abrasive disk Warning Use only accessories recommended for this disk sander Follow the instructions that accompany accessories Use of improper accessories may cause hazards 1 Pull off half of the protective foil for the new abrasive disk 2 Insert the abrasive disk halves with the protective foil between the working table and the grinding plate fig 4 Note When applying the abrasive disk on the grinding plate start from the centre and work outwards 3 Apply the top half of the abrasive disk on the grinding plate precisely in the correct position 4 Rotate the grinding plate approx 180 remove the second half or the protective foil and use the same procedure to apply the disk 5 Reattach the protective cover Working with the Disk sander Important Safe and precision working practice can only be ensured with the unit properly secured Do not leave the unit switched on if unsupervised 1 Switch on the disk sander 2 Adjust the rotational speed of the disk sander using the speed controller 1 f
3. spare parts We reserve the right to make further alterations for the purpose of technical progress We wish you every success with your machine Safety regulations IMPORTANT 1 Ensure the workplace is tidy 2 Check the unit for damage before use 3 connection cable protective devices etc have defective parts replaced by qualified personnel 4 This unit corresponds to the pertinent safety regulati ons 5 Repairs e g replacement of the power supply lead may only 6 be performed by a qualified electrician 7 Never work without the safety equipment fitted 8 Do not use electrical power tools in the rain in damp surroundings or in the vicinity of flammable liquids or gases 9 Only use the tool when the handle is dry and free from grease 10 Avoid contact with earthed components e g pipes radiators ovens and refrigerators 11 Protect the connection lead from heat and sharp edges and 12 route it so it cannot be damaged 13 Do not remove the plug from the socket by pulling on the cable 14 Do not pick up the unit by the cable 15 Keep children and third parties away from the work place 16 Keep tools in childsafe locations when not in use 17 Do not overload the tool 18 Do not use the tool to perform operations for which it is not suitable 19 Replace blunt tools in good time 20 Visually inspect application tools to ensure they are in good working order and suitable for
4. N lt D gt Fig 7 Table 1 Minimum gage for cord Effective date for Table 1 changed from November 1 1995 to November 11 1996 Ampere Rating Volts Total length of cord in feet 120 V 25 ft 50 ft 100 ft 150 ft 240V 50 ft 100 ft 200 ft 300 ft More Not More AWG Than Than 0 6 18 16 16 14 6 10 18 16 14 12 10 12 16 16 14 12 12 16 14 12 Not Recommended Legend fig 1 Speed controller On off switch Working table Angular limit stop clamping bolt Angular limit stop Angular limit stop scale Housing Mains cable oo ou ron o Spigots for duct extract unit Clamping bolt for working table adjustment Working table adjustment scale Indicator needle Za oa i w NaO Protective cover Disk sander disk with abrasive disk Spigots for cooling unit Spigots for coolant pipes ek Ak Sk oa A Description of the Unit This disk sander can be used to precisely grind all types of wood non ferrous metals steel plastic cork rubber and glass The stepless speed control permits the grinding characteristics to be optimally matched to any material The working table is manufactured from die cast aluminium with a ground surface finish Self adhesive abrasive disks can be readily replaced The disk sander has dual ball bearing mounts and the front face of the unit is plane turned Warning This Disk sander is for indoor us
5. R 9 y L 9 Es 9 x x M fa Manual Fig 1 Fig 2 10 mm Operating Instructions Disc Sander Foreword Dear customer The Proxxon TG 250 E disk sander is a high quality tool for accurate sanding of a wide variety of materials Please read the enclosed safety guidelines and operating instruc tions to ensure efficient and safe working practices This instruction manual covers e safety regulations operation and maintenance spare parts list Please read carefully Using this instruction manual will e make it easier for you to get used to the machine e help prevent faults occurring due to improper use and e increase the service life of your machine Keep this instruction manual in an easily accessible place Only operate this machine if you are qualified to do so and follow the guidelines in this instruction manual PROXXON does not accept responsibility for the safe functioning of the machine 1 if it is handled in a manner which constitutes impro per use 2 if it is used for other purposes which are not speci fied in the instruction manual 3 if the safety regulations are not observed 4 Warranty claims are invalid if the machine is incor rectly operated or the machine has not been suffi ciently maintained In the interests of your safety please always observe the safety regulations Only use genuine PROXXON
6. aired or replaced 20 DIRECTION OF FEED Feed work into a blade or cutter against the direction of rotation of the blade or cutter only 21 NEVER LEAVE TOOL RUNNING UNATTENDED TURN POWER OFF Don t leave tool until it comes to a complete stop Warning For Your Own Safety Read Instruction Manual Before Operating Sander Additional safety instructions for sander a Wear eye protection b Support workpiece on worktable c Maintain 1 16 inch maximum clearance between table and sanding belt or disc d Avoid kickback by sanding in accordance with the directional arrows GROUNDING INSTRUCTIONS 1 All grounded cord connected tools In the event of a malfunction or breakdown grounding provides a path of least resistance for electric current to reduce the risk of electric shock This tool is equipped with an electric cord having an equipment grounding conductor and a grounding plug The plug must be plugged into a matching outlet that is properly installed and grounded in accordance with all local codes and ordinances Do not modify the plug provided if it will not fit the outlet have the proper outlet installed by a qualified electrician Improper connection of the equipment grounding conductor can result in a risk of electric shock The conductor with insulation having an outer surface that is green with or without yellow stripes is the equipment grounding conductor If repair or replacement of the electric cord o
7. e only Do not expose to rain or use in damp locations Warning For your safety never connect the plug to the power source receptacle until the assembly and adjustment steps are completed and you have read and understood the safety and operating instructions Technical data Grinding speed 250 750 m min Abrasive disk Y 250 mm Max grinding height 135 mm Table adjustment 15 upwards 45 downwards Noise level 72 dB A Vibration 2 5 m s Working table 275 x 105 mm Overall size 330 x 280 x 230 mm Motor Voltage 115 V 60 Hz Power consumption 200 Watt Unit Assembly Warning To avoid injury from unexpected starting or electrical shock do not plug the power cord into a power source receptacle during unpacking and assembly This cord must remain unplugged whenever you are working on the disk sander Warning If any part is missing or damaged do not plug the disk sander in until the missing or damaged part is replaced and assembly is complete To avoid electrical shock use only identical replacement parts when servicing double insulated tools Warning Do not attempt to modify this tool or create accessories not recommended for use with this tool Any such alternation or modification is misuse and could result in hazardous condition leading to possible serious injury 1 Remove the disk sander from the packaging and check if any parts are missing 2 Fasten unit using fastening bolts onto a stable wor
8. ig 1 3 Place the work piece on the working table guide it gently and carefully 4 Always exert pressure on the working table rather than against the abrasive disk Note Please note the following items in order to ensure good grinding results 1 Do not overload the unit if the fuse blows only use an original fuse 1 25 T as a replacement 2 The disk sander is primarily designed for grinding precise angles The more accurately the work piece is pre cut the quicker and easier it will be to produce precise angles and the less abrasive disks will be required to perform the task 3 Please note the dissimilar grinding speeds for the abrasive disk fig 6 inner diameter low speed outer diameter high speed 4 The abrasive disk turns in an anti clockwise direction For this reason only grind on the left half of the working table Important Only use abrasive disks which are in a flawless condition Replace worn abrasive disks promptly Grinding a Mitre with the Working Table Inclined 1 Release the clamping bolt 2 fig 5 and set the working table to the desired angle e g 45 2 Tighten clamping bolt 2 3 Set angular limit stop 1 fig 5 to position 0 With horizontally set working table 1 Release the clamping bolt 2 fig 6 and set the working table horizontally indicator at 0 2 Tighten clamping bolt 2 3 Set the angular limit stop 1 fig 6 to the desired angle e g 45 Liq
9. kbench or working surface as per fig 2 Adjust Angular Indicator Warning For your own safety do not plug the tool into the power source receptacle or insert the switch key until the parts are correctly installed and adjustments have been made 1 Slightly release clamping bolt 10 fig 1 and align the working table 3 to precisely 90 using a square fig 6 Retighten the clamping bolt 2 Check and if necessary correct the zero setting of the indicator 12 fig 1 after releasing the clamping bolts Note Perform a grinding test before performing precision work 3 Grind a piece of wood and check the angle if necessary readjust the working table 3 fig 1 and the indicator 12 Replacing the Abrasive Disk Warning To avoid injury from accidental start make sure the switch is in the OFF position and the plug is not connected to the power source receptacle before changing any parts or discs Remove the abrasive disk Caution Disconnect the mains plug from the power socket Warning For your own safety use only abrasive discs sized and recommended for this disk grinder Follow the instructions that accompany the disk grinder Note The protective cover must be removed when changing the abrasive disk 1 Detach the liquid cooling system pipes from the spigots 3 fig 3 on the protective cover if present Release the fastening bolts 1 and remove the protective cover 2 2 Detach the abrasive disk from the
10. ons for a grinder 11 ALWAYS USE SAFETY GLASSES Also use face or dust mask if cutting operation is dusty Everyday eyeglasses only have impact resistant lenses they are NOT safety glasses 12 SECURE WORK Use clamps or a vise to hold work when practical It s safer than using your hand and it frees both hands to operate tool 13 DON T OVERREACH Keep proper footing and balance at all times 14 MAINTAIN TOOLS WITH CARE Keep tools sharp and clean for best and safest performance Follow instructions for lubricating and changing accessories 15 DISCONNECT TOOLS before servicing when changing accessories such as blades bits cutters and the like 16 REDUCE THE RISK OF UNINTENTIONAL STARTING Make sure switch is in off position before plugging in 17 USE RECOMMENDED ACCESSORIES Consult the owner s manual for recommended accessories The use of improper accessories may cause risk of injury to persons 18 NEVER STAND ON TOOL Serious injury could occur if the tool is tipped or if the cutting tool is unintentionally contacted 19 CHECK DAMAGED PARTS Before further use of the tool a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function check for alignment of moving parts binding of moving parts breakage of parts mounting and any other conditions that may affect its operation A guard or other part that is damaged should be properly rep
11. r plug is necessary do not connect the equipment grounding conductor to a live terminal Check with a qualified electrician or service personnel if the grounding instructions are not completely understood or if in doubt as to whether the tool is properly grounded Use only 3 wire extension cords that have 3prong grounding plugs and 3pole receptacles that accept the tool s plug Repair or replace damaged or worn cord immediately 2 Grounded cord connected tools intended for use on a supply circuit having a nominal rating less than 150 volts This tool is intended for use on a circuit that has an outlet that looks like the one illustrated in Sketch A in Figure 7 The tool has a grounding plug that looks like the plug illustrated in Sketch A in Figure 7 A temporary adapter which looks like the adapter illustrated in Sketches B and C may be used to connect this plug to a 2 pole receptacle as shown in Sketch B if a properly grounded outlet is not available The temporary adapter should be used only until a properly grounded outlet can be installed by a qualified electrician The green colored rigid ear lug and the like extending from the adapter must be connected to a permanent ground such as a properly grounded outlet box Grounding methods C2 A s METAL SCREW oD COVER OF GROUNDED lt OUTLET BOX GROUNDING PIN lt A gt lt B gt ADAPTER e GROUNDING GROUNDING Ga MEANS lt C gt PI
12. the task prior to setting up the job 21 Fasten tools securely 22 Clean the unit thoroughly following all work 23 Disconnect the plug from the power supply when the unit is not in use before performing maintenance tool replacement or repair work 24 Only plug the unit in when the unit is switched off 25 Always wear protective goggles danger of tool brea kage 26 If necessary wear a protective dust mask 27 Only use appropriate working clothes no loose slee ves ties jewellery 28 Wear a hair net if you have long hair 29 Only use accessories and spare parts recommended by PROXXON 30 Observe the max permitted rotational speed 31 If necessary use dust extract equipment 32 Do not use the tool when you are tired or under the influence of alcohol 33 Keep fingers away from rotating or fast moving tools saws etc 34 Keep the operation instructions in a safe place General safety instructions Read and become familiar with this entire instructions manual Learn the tool s applications limitations and possible hazards 1 KEEP GUARDS IN PLACE and in working order 2 REMOVE ADJUSTING KEYS AND WRENCHES Form habit of checking to see that keys and adjusting wrenches are removed from tool before turning it on 3 KEEP WORK AREA CLEAN Cluttered areas and benches invite accidents 4 DON T USE IN DANGEROUS ENVIRONMENT Don t use power tools in damp or wet locations or expose them
13. to rain Keep work area well lighted 5 KEEP CHILDREN AWAY All visitors should be kept safe distance from work area 6 MAKE WORKSHOP KID PROOF with padlocks master switches or by removing starter keys 7 DON T FORCE TOOL It will do the job better and safer at the rate for which it was designed 8 USE RIGHT TOOL Don t force tool or attachment to do a job for which it was not designed 9 USE PROPER EXTENSION CORD Make sure your extension cord is in good condition When using an extension cord be sure to use one heavy enough to carry the current your product will draw An undersized cord will cause a drop in line voltage resulting in loss of power and overheating Table 1 shows the correct size to use depending on cord length and nameplate ampere rating If in doubt use the next heavier gage The smaller the gage number the heavier the cord Exception No 1 The reference to the table and the table itself may be omitted if a statement indicating the appropriate gage and length is incorporated into the instruction Exception No 2 The information regarding extension cords need not be provided for a permanently connected tool 10 WEAR PROPER APPAREL Do not wear loose clothing gloves neckties rings bracelets or other jewellery which may get caught in moving parts Non slip footwear is recommended Wear protective hair covering to contain long hair Exception The reference to gloves may be omitted from the instructi
14. uid Cooling System We recommend that the liquid cooling system is attached when grinding iron steel and non ferrous metals as well as stone tiles ceramics not included in scope of supply available as an accessory The heat arising from grinding operations is dissipated by supplying coolant thus improving the resulting surface quality Dust Extract Connection In order to permit a dust free working environment the disk sander is equipped with a vacuum cleaner connection for dust extraction Important When using both a vacuum cleaner as a dust extract unit and the liquid cooling unit ensure that the vacuum cleaner is suitable for aqua cleaning as well 1 Connect the vacuum cleaner hose to the connection spigot 9 fig 1 2 Switch on the vacuum cleaner 3 Switch on the disk sander grind the work piece Cleaning and Care Your disk sander was developed for minimal maintenance however regular cleaning is required to ensure a long trouble free service life Caution Always disconnect the mains plug prior to cleaning and maintenance operations 1 Regularly inspect the mains cable for damage 2 Ensure the abrasive disk is securely seated and in perfect condition if necessary replace the abrasive disk 3 Thoroughly clean the disk sander after use Warning To avoid fire or toxic reaction never use gasoline naphtha acetone lacquer thinner or similar highly volatile solvents to clean the disk sander
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