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1. required see Fig 3 Check cutting oil 1 Check whether there is enough cutting oil in the tank _ 2 Add oil when needed through the oil disk 3 Cutting oil will overflow over the die head after the machine starts Note Use thread cutting oil only to ensure to produce high quality threads WWW STEELDRAGONTOOLS COM Threading operation 1 Any operation requiring non rotating condition should be done only when the machine stop running 2 Rotate the fore and rear chucks clockwise Then loosen three claws install the pipe from beside the rear chuck make it pass through the fore chuck and extend by 100 mm 3 Hold the pipe in right hand and fix it by wheeling tight the fore and rear chucks and then moderately tighten the hammer disk by hammering it counterclockwise see Fig 4 Rear Chuck Hammer Disk Copy Block Fore Chuck Gear Shift Hand RU NS Fig 4 4 Pull up the cutting knife rack and eng rack to make room Then push down the screwing die head make it touch the copying block see Fig 5 and lock it tight with locking pin Push the button to start the machine after the die head is fixed in its proper position Locking Pin Se Fig 5 Caution To keep the machine in order gear shift hand should be placed at the position of the bottom gear when threading the pipes with a diameter bigger than two inches otherwise place the gear shift hand on the position of the top gear see Fig 6 sca2. workmanship for a period of 1 YEAR from the date of purchase by such user The company you purchased this item from will decide at its option either repair or replace free of charge any product found to be defective upon company inspection Please contact your retailer for any questions or claims process I Introduction This machine is for threading of various water electric or gas pipes ranging form 1 2 4 It is efficient and can be widely used in equipment installation and construction industries and is an ideal device for increasing efficiency shortening construction time securing construction quality and decreasing working intensity Read this manual carefully before using the machine Caution The electric threader is for threading Follow directions and instructions of the Electric Ihreader User s Manual to avoid danger to operate it ll Specifications e Range of Work Y2 4 NPT e Electric Motor 2 Speed 60hz Heavy Duty 110 volt 750 Watt e Die Rockwell Hardness HRC 58 62 WWW STEELDRAGONTOOLS COM e Maximum Rotation Speed 24 RPM e Maximum Chuck Capacity 4 925 inches or 125mm e Sledge Travel 7 inches or 180 mm e Dimensions 36 L x 22 H x 17 D e Weight 425 lbs or 193 KG lll Special Safety Requirements 1 Keep the working site clean and bright for disorder and darkness may cause accidents 2 Do not expose the machine to the rain or operate it in moist workshops to avoid electric s
3. STEEL DRAGON OOK SDT 6790 READ THIS OPERATOR S MANUAL CAREFULLY BEFORE USING THIS TOOL FAILURE TO UNDERSTAND AND FOLLOW THE CONTENTS OF THIS MANUAL MAY RESULT IN ELECTRICAL SHOCK FIRE AND OR SERIOUS PERSONAL INJURY SJNE EI DRAGON ERST LOOMS WWW STEELDRAGON TOOLS COM Our manufacturing plants have been producing and distributing pipe threading drain cleaning ma chines and core drill tools for over twenty years Feel comfortable knowing that Steel Dragon Tools are CE approved and government tested to the highest quality standards We have controlled our quality over the twenty years using the latest technology to build our tools Our original production plants are in Japan and Taiwan and now we have manufacturing plants all over the world We cur rently distribute products to our distributors in Asia Europe Africa Australia and North America Our products are known worldwide for dependability reliability and universality Steel Dragon Tools distributes a wide range of pipe threading machines parts and accesso ries to many different markets around the world SDT also manufactures a wide range of Handheld pipe threading kits pipe chain vices drain cleaning machines accessories core drill rigs and core drill bits One Year Warranty Program Steel Dragon Tools warrants to the original purchaser which may include such brand names Steel Dragon Tools to be free of manufacturing defects in material and
4. fore essential to clean the filter disk once a week to keep the machine in order WWW STEELDRAGONTOOLS COM 5 Check the cutting blade each week Replace it when it is blunt 6 Check the attrition of the claw points in the claw one a month If the claw points are worn replace them three each set to ensure to produce the threads of high quality 7 Clean screwing dies and die heads every shift Check if the teeth of the screwing die are broken If they are remove the cuttings between the teeth If the die is already broken replace a set of dies instead of the broken one only 8 There are two oil cups on the shell of main shaft Oil at least twice each shift to lubricate the fore and rear bearings 9 Unplug the power when the machine is not in use Coat corrosion resistant oil on both fore and rear guideposts and other working surfaces Store it in a dry and airing place VI Problem and Remedy The motor does not run or makes ao SO The pipe can not be fastened or it eb vene The cutting knife can not cut Applying not enough force when Cut with force starting to cut The cutting dies don t work when aieecing The main shaft heats up Lack of oil Oil regularly 4 Oil regularly 4 Remove the beam barrel and scratch the shaft The cooling oil can not be suffi The oil circuit is blocked Clean the oil circuit ciently provided The oil hole is not installed prop Reinstall it erly after the fulcrum shaf
5. hock 3 Operators are only allowed to wear tight clothing Operators should take off the gloves jewelry watch or likewise and should not loosen his or her long hair without permission 4 When the threading machine including its accessories is installed in the working site use only the 30mA leakage resistance switch 5 The following is forbidden when the machine is running e Touching or grabbing the workpieces e Replacing or removing components pipe accessories livers or pipes etc e Cutting or sawing pipes using hand tools 6 If the dangerous areas in the machine or its workpieces can not be examined closely the spinning workpieces or the dangerous areas should be protected The protective devices must be reliably and stably placed The supporting devices must be stable if they are used Install three support legs and adjust three screws to ensure height and stability 7 Keep children away when the machine is running They are forbidden to operate the machine or drag the cables and wires 8 Avoid overload operation The unsuitable accessories overload operation and blunt or damaged screwing die must not used for fear that the machine would be damaged 9 Extending too long pipes to operate the machine is forbidden Keep this machine balanced and stable all the time Calculate the danger caused by suddenly broken workpieces based on the length of the workpieces the section the material and the rotational speed and use enough s
6. le indicator Top gear bottom gear calibration tails Fig 6 Fig 7 5 Turn the Machine on pressing the forward button rotating the pipe counter clockwise Then rotate the sledge handle moving the die head towards the pipe 6 Apply force on the sledge hand wheel until 3 4 threads are made on the pipe 7 Stop applying force The machine begins to thread automatically until the roller of the die head passes the copying block and falls down Caution Two steps should be followed when threading the pipes with a diameter bigger than 2 WWW STEELDRAGONTOOLS COM IO GT gt i te EE le d HE A AJ uke i ra noe inches Firstly place the scale indicatrix one scale lower than the scale required secondly make the scale indicatrix point to the scale required 8 Stop the machine quit the die head to the right unused position 9 Loosen the fore and rear chucks clockwise and remove the pipe from the rear chuck Cutting the pipe 1 Pull up the die head and the beveling device so that the fore and rear chucks fasten the pipe 2 Push down the cutting knife rack and rotate the handle Open the rack to let the cutting knife roller straddle on the pipe 3 Rotate the sledge handle to move the cutting knife to the cutting position see Fig 8 Cutting Knife Handle 2 ur E f mr Cutting Knife Rack N po Fig 8 4 Rotate the cutting knife handle to move the cutting knife to the pi
7. pe 5 Start the machine Switch the gear shift hand to the top gear and make the knife cut into the pipe Cut about 0 15 0 25 mm for one turn of the pipe i e for each turn of the basic shaft the cutting knife handle forwards about 1 10 turn Quit the cutting knife and pull up the rack to its position after cutting Caution Cut with moderate speed and force to avoid the distortion of the pipe and the damage of the cutting knife Inner diameter beveling 1 Pull up the screwing die head and cutting knife rack and push down the beveling rack to make the fore and rear chucks fasten the pipe 2 Start the machine Move the gearshift hand to the top gear Rotate the sledge hand wheel and drive the beveling device to the inside of the pipe 3 Stop the machine after the beveling Move the beveling rack to its position Beveling rack Blade Sime Mi AN A an d cr Md i p Y Maintenance m Se Fig 9 1 Turn the master switch to the off position or unplug the power when the machine is maintenanced 2 The shell of this machine is cast with a whole piece of aluminum alloy Its reduction gearbox keeps lubricating permanently Do not impact the shell violently 3 Cooling oil system Clean the oil filter disk and oil suction filter disk after running for 8 12 hours Clean the oil tank and refill if the oil is dirty or turns black 4 Small iron filings may fell into the oil tank when threading It is there
8. t of the screwing die head is removed The oil in the oil pump has leaked Fill some cooling oil in the oil out pump The cooling oil leaks into the mo The oil seal of the oil pump PD8 x Replace the oil seal tor 22 x 8 has been damaged WWW STEELDRAGONTOOLS COM SEER DRAGON WWW STEELDRAGONTOOLS COM
9. to the hole at the bottom of the machine 2 Fasten it with the screw safely and reliably 3 Suspend the threader and make it stable with supporting legs and ready for use Preparations to threading Replacinging screwing die with the correct size screwing die There are three sets of screwing dies each of which threads different pipes 1 2 3 4 14 threads inch 1 2 11 threads inch and 2 1 2 4 11 threads inch 1 Select a set of screwing die that matches the diameter of the pipe There are two groups of figures on each screwing die one of which represents its specification another representing the assembly sequential numbers such as 1 2 3 4 2 Remove the die head from the sledge Fig 1 loosen the nut of the handle turn the curve disk around to the maximal position of the scale Curved disk Hand hold Screwing die Screwing die tight mouth Fig 1 Fig 2 3 Put the selected screwing dies into die grooves according to their sequential numbers and its lock notch will fit curved disk Then pull the curved disk until the scale indicatrix of the curved disk points at the scale on the ruler of the job Then the screwing die is fixed g u Adjustable plate Br ar s 44 Fig 3 Note 1 2 3 4 1 2 dies are installed in small die head while 2 1 2 4 ones in big die head 4 Place the assembled die heads on the sledge 5 Turn the adjustable plate to the position as
10. upports to avoid danger 10 Maintain this machine with care Lubricate the machine and replace the accessories according to the instructions of this manual to make it more safely operated Check the cables of this machine regularly If there is any danger it must be repaired by the technician Keep various handles clean and tidy all the time Keep them out of oil pollution 11 Turn the power off Pull the attaching plug out when the machine is not in use 12 Starting the motor carelessly is forbidden Make sure the switch is at the position of off before the plug is connected with the machine 13 Do not operate the machine when the operator is tired or if he has touched any drugs 14 Check the damaged spares Check any cutting tools and spares carefully before using them and see if they are in normal working condition and able to function Any damaged spares must be repaired and replaced by the specially trained technicians 15 Operation is forbidden when any switch can not be properly turned on or off IV Directions Unpacking When Unpacking the case check if the accessories below are attached 1 One barrier of cutting oil 5 liters 2 Two sets of screwing dies in a tool box 4 pieces each set WWW STEELDRAGONTOOLS COM 3 One inner hexagon spanner and one screwdriver 4 One set of die head ranging from 21 2 4 inches 5 One support leg Assembling 1 Put the accessories aside and install the support leg in
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