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18

19-38 DRUM SANDER OWNER’S MANUAL

Operating The 19-38 Drum Sander

  NOTE: TENSION ROLLER PRES-

SURE WARNING SIGNS
It is important to pay attention to the 

tension roller pressure because too 

little pressure can result in slippage 

of stock on conveyor belt and kick 

back. Too much tension can cause 

snipe when sanding. 

Summary of Contents for 19-38

Page 1: ...Owner s Manual 19 38 Drum Sander ...

Page 2: ...t This manual covers unpacking step by step sander set up and fine tuning the controls Safety information is also provided to makes sure your process is hassle free If you have any ques tions this manual will provide answers and you can also refer to our website or customer service for any updates or further details SuperMax Team Write your model and machine number in this manual for any questions...

Page 3: ... Tension Adjustment 14 Maximizing Abrasive Longevity 14 OPERATING THE 19 38 DRUM SANDER 15 Basic Operating Procedures Checklist 15 Conveyor Belt Tension 17 Conveyor Belt Tracking 17 Tension Roller Pressure 17 TROUBLESHOOTING 19 MAINTENANCE 22 Monthly Maintenance Checklist 22 Cleaning the Machine 22 Replacing Conveyor Belts 22 TECHNICAL SPECIFICATIONS 23 Wiring Diagram 23 Head Assembly 24 Parts Lis...

Page 4: ...drum rotation Never place hands or fingers under the tension roller drum or dust cover Keep hands and clothing away from oper ating drum Never operate the sander without the dust cover or guard in place Always maintain control of stock to avoid kickback Always disconnect electrical power before during any services or making any adjust ment to the machine Do not modify the machine in any way Any mo...

Page 5: ...Length 2 1 4 Maximum Thickness 4 typical Minimum Thickness 1 32 typical Dimensions Length 36 Width 42 Height 51 on stand Drum 5 in diameter 1740 RPM Dust hood Hinged Back with 4 vaccum port Height Adjustment 1 16 per revolution of the height adjust ment handle Depth Gauge included Conveyor Motor Direct drive D C motor Infinitely variable 1 10 feet per minute Drive Motor TEFC 1 3 4HP Continuous Dut...

Page 6: ...um Sander and stand is shipped in three boxes Assemble the SuperMax 19 38 Drum Sander Open Stand 71938 OP or alternatively if you have cho sen to use your own bench prepare the existing bench for the sander attachment NOTE See Open Stand 71938 OP man ual included in the Open Stand shipping box for stand set up and directions Open BOX 1 that contains the main sanding unit Remove the cardboard liner...

Page 7: ...ch to tighten and keep wrench for future adjustments 3 5 4 6 NOTE BOLTS These bolts that you just removed from the packing plates will work as your bolts for attaching the sander or as extra bolts for fu ture replacement With one or two helpers place the sanding unit on stand or bench Install knob to height adjustment handle First finger tighten nut to knob Thread stud from knob into hand wheel an...

Page 8: ...lt You will remove the bolts at at tachment points to allow the conveyor belt to be attached to the sanding unit You will need to re move 4 bolts in total two on each side of the unit NOTE SILVER PLATE Leave the silver plate which is near the fast lever and under the motor in place when re moving bolts A First remove the 2 bolts on the outboard side of the conveyor belt B Next remove the 2 bolts o...

Page 9: ... but not so tight that the fast lever doesn t move The lever should be able to move from the down to up posi tion easily 10 11 Install two lock washers and two flat washers on the studs on outboard side of the conveyor belt 9 Open BOX 2 Remove conveyor from pack aging and place on sanding unit The con veyor motor should be nearest to the main motor and depth gauge Install lock washer and flat wash...

Page 10: ...s attached to the motor into the outlet on the control box This cord will provide switched power for the motor when the machine is plugged into the power source 12 13 14 Tighten all nuts and bolts with wrench The power cord that is wrapped around the gear motor is the power cord that must be plugged into a 110 Volt 20 Amp outlet NOTE FAST LEVER BOLT EXCEPTION Do not completely tighten bolts with f...

Page 11: ...e sanding drum is necessary to make sure that the drum is parallel 1 Remove the abrasive on the drum Removing the abrasive is necessary to make sure that the adjustment is as accurate as possible and the texture on the abrasive will make the adjust ment imprecise 2 Locate the height adjustment handle for raising and lowering the sanding head Remove abrasive from drum Turning the height adjustment ...

Page 12: ...row B in above image for exact location of the adjust ment nut to achieve parallel alignment Then tighten the four socket head screws Repeat steps 3 5 DUST COLLECTION Dust collection is necessary for the SuperMax 19 38 Drum Sander The sander comes equipped with a 4 diameter dust exhaust port at the top of the cover Check to make sure that the minimum dust requirements are sufficient To attach to t...

Page 13: ...rasives Pre cut wraps have been factory tapered to the specific width of your drum If you are cutting your own abrasive use the wrap that came on the drum as a template To attach a wrap to the drum follow the procedure below 1 Start on the left outboard side of the drum Raise the clip lever on the left outboard side of the drum Insert the tapered end through the slot and into the fastener so that ...

Page 14: ... as needed If enough space is not left between the wrap and the inside of the slot the take up fastener will not operate properly Abrasive Wrap Tension Adjustment The abrasive wrap may stretch enough in use to al low the take up lever to reach its lowest position If this occurs then tension is not longer maintained on the abrasive wrap To fix this reset the take up lever by raising it pushing the ...

Page 15: ...he thickness gauge Adjust the bottom of the gauge by loosening the large nut and rotating the gauge up or down until it lightly touches the scrap piece of stock Tighten the large nut Now the stock can be placed under the thickness gauge and the drum lowered until the gauge lightly touches the stock to be sanded By using this method the stock does not need to be carried under the drum to set depth ...

Page 16: ...g Multiple Pieces Simultaneously When sanding multiple pieces at once make sure to stagger or step the pieces across the width of the conveyor belt This position provides better contact with the tension rollers It is best to only process multiple pieces that are all of a similar thickness If there is a thickness difference the thinner pieces may not come in contact with the tension rollers and may...

Page 17: ...is too loose if it can be stopped by hand pressure applied directly to the top of the conveyor belt Excessive belt tension can result in bent rollers premature wearing of the bronze bushings or conveyor belt To adjust the tension of the conveyor belt first adjust the take up screw nut on both sides of the conveyor to obtain approximately equal tension on both sides of the belt when taut Conveyor B...

Page 18: ... Drum Sander NOTE TENSION ROLLER PRES SURE WARNING SIGNS It is important to pay attention to the tension roller pressure because too little pressure can result in slippage of stock on conveyor belt and kick back Too much tension can cause snipe when sanding ...

Page 19: ...g cause PROBLEM Motor Overloads POSSIBLE CAUSE 1 Inadequate circuit 2 Machine overloaded by the material SOLUTION Check electrical requirements Use slower feed rate slower RPM reduce depth of cut PROBLEM Conveyor motor oscillates POSSIBLE CAUSE 1 Motor not properly aligned 2 Shaft collar or bushing worn 3 Drive roller bent SOLUTION Loosen housing bolts run the motor and re tight en bolts Replace t...

Page 20: ...yor belt tracks to one side or oscillates from side to side POSSIBLE CAUSE 1 Belt out of adjustment 2 Drive or driven conveyor belt rollers misaligned 3 Conveyor table not flat and square 4 Conveyor belt worn 5 Drive roller worn or damaged SOLUTION Readjust belt Readjust by leveling machine Replace conveyor belt Replace abrasives PROBLEM Drum height adjustment works improperly POSSIBLE CAUSE 1 Imp...

Page 21: ...OSSIBLE CAUSE 1 Feed rate too slow 2 Excessive depth of cut SOLUTION Increase feed rate Reduce depth of cut PROBLEM Gouging of wood POSSIBLE CAUSE 1 Conveyor belt is too loose 2 Excessive depth of cut 3 Wood slipping on conveyor due to lack of con tact SOLUTION Adjust belt tension Reduce depth of cut decrease RPM Use alternate feeding procedure PROBLEM Burning paper or abrasive POSSIBLE CAUSE 1 Ov...

Page 22: ... after all operations When cleaning dust from the drum leave the dust collection system on Replacing Conveyor Belts To replace the conveyor belt the conveyor assem bly must be removed from the machine 1 Raise the drum carriage to its highest position using the height adjustment handle 2 Turn off power source to machine 3 Unplug main drive motor and inverter from re ceptacle in gear motor assembly ...

Page 23: ...23 Wiring Diagram TO GEAR MOTOR CONVEYOR TECHNICAL SPECIFICATIONS Wiring Diagram ...

Page 24: ...24 19 38 DRUM SANDER OWNER S MANUAL Technical Specifications Head Assembly ...

Page 25: ...111 Lock Washer 3 8 4 12 480BS 112 Socket Head Cap Screw 3 8 16x1 1 2 4 13 480BS 113 Set Screw 1 4 20x1 4 5 14 480BS 114 Coupling 2 15 480BS 115 Coupling Spider 1 16 480BS 116 Depth Gauge Plate 1 17 480BS 117 Screw Phil Pan Head M4x0 7x6 14 18 480BS 118 Label Depth Gauge inch 1 19 480BS 119 Depth Gauge Pointer 1 20 480BS 120 Knob 1 21 480BS 121 Height Adjustment Handle 1 22 480BS 122 Nylon Insert ...

Page 26: ...4 42 480DS 142 Bearing 6205ZZ 2 43 480DS 143 C Ring S25 2 44 480DS 144 Drum Carriage 1 45 480BS 145 Flat Washer 1 4 5 46 480BS 146 Round Socket Head Cap Screw 1 4 20x1 4 47 480BS 147 Flat Washer 5 16 4 48 480DS 148 Bearing Seat 2 49 480BS 149 Hex Cap Screw w Washer 10 24x3 8 2 50 480BS 150 Dust Cover Catch 1 51 480BS 151 Stud 1 52 480BS 152 Spring 1 53 480BS 153 Tension Roller 2 54 480BS 154 Bushi...

Page 27: ...2 Block Measuring Device 1 73 480DS 173 Hex Nut M12x1 75 1 74 480DS 174 Stop Bolt 1 75 480DS 175 Screw M3x0 5x6 2 76 480DS 176 Lower Fixed Plate DRO 1 77 480BS 177 Hex Cap Screw 3 8 16x3 4 4 78 480DS 178 Hex Nut M4x0 7 1 79 480BS 179 Tension Roller Bracket Outer Right 1 80 480BS 180 Tension Roller Bracket Outer Left 1 81 480BS 181 E Ring E5 1 82 480DS 182 Upper Fixed Plate DRO 1 83 480DS 183 Batte...

Page 28: ...28 19 38 DRUM SANDER OWNER S MANUAL Technical Specifications Conveyor and Motor Diagram ...

Page 29: ...crew 5 32 x1 2 2 13 480DS 213 Receptacle Main Cord 1 14 480BS 214 Screw 10 32x1 2 1 15 480BS 215 Washer Lock Int Tooth 10 2 16 480BS 216 Hex Nut 10 32 2 17 480BS 217 Screw Hex Head Slotted 10 32x3 8 5 18 480BS 218 Screw Phil Pan Head 6 32x1 2 2 19 480BS 219 Switch ON OFF 1 20 480BS 220 Coupler Shaft 1 21 480BS 113 Set Screw 1 4 20x1 4 2 22 480BS 222 Bracket Base Controller 1 23 480BS 223 Cover Bas...

Page 30: ...67 Lock Washer 5 16 4 36 480BS 236 Roller Drive 1 37 480BS 237 Bracket Support Drive Roller 1 38 480BS 238 Bed Conveyor 1 39 480BS 239 Socket Head Cap Screw 5 16 18x3 4 2 40 480DS 240 Belt Conveyor Abrasive Not Shown 1 41 480BS 204 Flat Washer 5 16 1 42 480BS 242 Hex Nut 5 16 24 1 43 480BS 243 Slotted Set Screw 8 36x5 16 1 44 480BS 244 Strain Relief Gear Motor 6N 4 1 45 480BS 245 Hex Nut 5 16 18 2...

Page 31: ... reinforced backing ABRASIVES 3 Pack Box Pre Cut Abrasive Wraps Cut to taper and length of drum 60 19 000 36 80 120 Grit 3 wraps total 60 19 036 36 Grit 3 wraps in a box 60 19 060 60 Grit 3 wraps in a box 60 19 080 80 Grit 3 wraps in a box 60 19 100 100 Grit 3 wraps in a box 60 19 120 120 Grit 3 wraps in a box 60 19 150 150 Grit 3 wraps in a box 60 19 180 180 Grit 3 wraps in a box 60 19 220 220 Gr...

Page 32: ...32 NOTES ...

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