BURT MM3156A, Owner'S Operating Manual

Page 1: ...OWNER S OPERATING MANUAL MM3156A DRUM SANDER Please keep this operating manual for future reference 0101 ...

Page 2: ...RT SYMBOL Indicates caution warning or danger May be used in conjunction with other symbols photographs DANGER Failure to obey a safety warning will result in serious injury to yourself or others Always follow the safety precautions to reduce the risk of fire electric shock and personal injury WARNING Failure to obey safety warning can result in serious injury to yourself or to others Always follo...

Page 3: ... IN DANGEROUS ENVIRONMENTS Do not use power tools near gasoline or other flammable liquids in damp or wet locations or expose them to rain Keep the work area well lighted 5 KEEP CHILDREN AWAY FROM POWER TOOLS All visitors should be kept at a safe distance from the work area 6 MAKE THE WORKSHOP CHILDREN PROOF with padlocks and master switches or by removing starter keys 7 DO NOT FORCE THE TOOL It w...

Page 4: ...UNATTENDED Turn off the power Do not leave the tool until it comes to a complete stop and is disconnected from power source 22 STAY ALERT Never operate a power tool when tired or while under the influence of drugs alcohol or medication 23 MAKE SURE A TOOL IS CONNECTED only to the voltage marked on the nameplate 24 NEVER USE A TOOL if its cover or any bolts are missing If the cover or bolts have be...

Page 5: ...STAND DIRECTLY IN LINE with either the infeed or outfeed sides Stand to one side 16 MAKE SURE THE ABRASIVE STRIP IS ATTACHED as described in the operation instructions An improperly attached abrasive could come loose during operation and damage the work piece or intenal components 17 NEVER PUT YOUR FINGERS into the dust port or under the drum dust cover See Figure2 18 ALLOW THE SANDING DRUM to rea...

Page 6: ... shock CAUTION Keep the cord away from the sanding area and position the cord so that it will not be caught on lumber tools or other objects during sanding INTRODUCTION TO DRUM SANDING FUNCTION Drum sanding sometimes referred to as abrasive planting is a repetitive process of sanding both sides of wooden stock to a desired thickness and or smoothness When this performed correctly both face surface...

Page 7: ...p the board over and sand it flat Do not be shocked by how thin the board may become after all cup has been removed Board warp and twist will not be remedied by a drum sander or a planer for that matter Always inspect your lumber for warp and twist before drum sanding since it is prone tp hanging up in the machine shorter length lumber in this condition is especially troublesome PLAN YOUR WORK IN ...

Page 8: ...y damaged parts should be replaced before attempting to use the tool LOOSE PARTS LIST The following items are included with the Wide Drum Sander 1 Owner s Operating Manual 1 Height adjustment handle 1 Height adjustment crank See Figure 3 2 Extension table 1 Set of machine support 1 Dust collection port elbow Familiarize yourself with the follwing components and features of the Wide Drum Sander usi...

Page 9: ... 1 Screw the Height Adjustment Handle into the threaded nut in the Height Adjustment Crank using a slotted screwdriver until snug See Figure 4 Figure 3 Conveyor Feed Motor Extension Table Elevation Tension Adjustment Screws Evevation Tension Adjustment Screws Feeding Conveyor Sanding Drum Nip Guard Sanding Drum Motor On Off Switch and Variable Speed Control Box Height Adjustment Handle Height Adju...

Page 10: ...Adjustment Crank over the Height Adjustment Shaft with the set screw aligned with the machined flat area on the Height Adjustment Shaft Height Adjustment Shaft with machined flat Figure 4 3 Lower the Height Adjustment Handle Assembly onto the Height Adjustment Shaft and tighten the set screw with the Wrench Key See Figure 5 ...

Page 11: ...lug to a source outlet until you have read and understand the safety and operating instructions for your Wide Drum Sander WARNING Make certain that the switch is in the OFF position before inserting the plug into a power source Do not connect the power until you are ready to operate the machine Be sure that the bolts are firmly tightened before connecting to power source CAUTION The surface to whi...

Page 12: ...g The three primary causes of excessive sanding deflection are 1 Excessive depth of cut Decrease the depth of cut to minimize pressure on the sanding drum assembly Refer to the Introduction to Drum Sanding section for hints regarding depth of cuts 2 Loose Elevation Tension Screws Refer to Step 1 in the Drum Alignment section for hints regarding depth of cuts 3 Loose Motor Sanding Drum Assembly Mou...

Page 13: ...ecuring each screw in place Loosen or tighten each screw as required in 1 4 turn increments to attain the desired fit and smoothness Retighten the lock nuts to secure the tension screws in position 3 Check the sanding drum to conveyor table alignment by first removing the abrasive strip from the abrasive strip from the drum The purpose of this adjustment is to achieve equal distances at point A an...

Page 14: ...um frame not depicted for clarity Figure 8 If the measurement at A is greater than the same point at B by 020 or less proceed as follows 1 Loosen the 2 outboard conveyor table mounting bolts as shown in Figure 9 Conveyor Table Drum ...

Page 15: ...3 Tighten conveyor table mounting bolts Re check the measurement at A and at B 4 Test sand a piece of wood and check for uniform thickness If the measurement at A exceeds B by more than 020 or if distance B is greater than A proceed as follows 1 Loosen the two front and two rear adjistment bolts as shown in Figure 10 thus allowing the entire drum assembly to pivot ...

Page 16: ... thickness Repeat the above procedure if necessary CONVEYOR FEED BELT TRACKING ADJUSTMENT Occasioal adjustment of the conveyor feed belt tracking may be required due to belt stretching ldeally the conveyor feed belt should track in the center area of the conveyor feed belt table 1 Conveyor feed belt tracking adjustment screws are located on both the inboard and outboard sides on the rear of the wo...

Page 17: ... counterclockwise while the nut is held with the wrench 3 If the converyor feed belt is tracking towards the inboard motor side of the machine tighten add tension to the tracking adjustment screw on that side of the machine NOTE Due to the width of the conveyor feed belt tracking adjustments may not become apparent immediately Increase the speed of the conveyor feed belt to hasten the effects of y...

Page 18: ...d on the right side of the drum support frame NOTE Depth settings used during surface sanding of stock are adjusted by considering several variables The hardness of the material the width of the material being surfaced and the feed rate selected are all considered when determing the amount of material to be removed on each pass Never remove more than 1 32 of material in one pass The variable feed ...

Page 19: ...y refer to Figure2 Several variables affect the proper depth of cut selected They are abrasive grit choice width of stock hardness of stock feed rate and moisture content of stock INSTALLING NEW REPLACEMENT ABRASIVE STRIPS WARNING To prevent possible serious personal injury always disconnect the Wide Drum Sander from the power source before serving the unit or changing the abrasive strips Abrasive...

Page 20: ...Figure 14 The material should be flush to slightly gapped but not overlapped during the wrap Figure 14 4 When you have completely wrapped the drum keep tension on the strip and insert the remaining tapered end of the strip into the slot in the drum Using your right hand raise the tensioner clip completely to open the jaws Insert the tapered end of the abrasive strip Figure 15 The tensioner clip wi...

Page 21: ... removal and surface surface scratching occurs whereas with 220 grit very little surface material is removed and a buffed like look begins to appear GRIT SELECTION Typically you begin sanding with a coarse grit and progressively work through finer grits until the desired finish or thickness is achieved Choosing which grit to begin sanding with is a subjective judgment based on your assessment of s...

Page 22: ...ving parts using a non petroleum based lubricant including the threadec depth control sliding surfaces and bronze bushings associated with the depth control menchanism Do not use oil or grease because they tend to attract and hold sawdust 2 Periodically check the tightness of all frame bolts and motor drum mounting bolts screws 3 Keep sanding drum feed belt clean 4 Use only clean sanding abrasives...

Page 23: ... causes which require replacement of the conveyor feed belt are normal wear and tear inadvertent contact with the sanding drum abrasive during operation teats caused by mis tracking of the conveyor feed belt or excessive build up of non removable film The following steps describe how to remove and replace the conveyor feed belt when necessary 1 Disconnect the machine from the power source 2 Using ...

Page 24: ...acement conveyor feed belt follow Steps 6 through 3 in reverse order Center the new feed belt on the conveyor feed belt table and evenly tension the new feed belt using the inboard and outboard tracking adjusters If you have experience tracking problems consult the Convevor Feed Belt Tracking Adjustment secton WIRE DIAGRAM 230V 50Hz 1 phase WIRE DIAGRAM 400V 50Hz 3 phase ...

Page 25: ...MM3156A DRUM SANDER ２４ Exploded Diagram for Main Body ...

Page 26: ...en cover 1 18 internal nip guard 1 57 steel ball 3 23 19 十 dormant screw M6X30 4 58 sleeve 1 20 elastomer 1 59 lift frame 1 21 Screw M8X25 4 60 steel washer 1 22 out side bear cover 1 61 nut M16X1 5 4 23 bear 6205 2 62 十 flange bolt M6X35 1 24 in side bear cover 3 63 hex cap bolt M8X40 4 25 sanding sleeve body 1 64 spring pin 6X25 2 26 washer 8 28 65 scale lable 1 27 nut M8 15 66 feed roller suppo...

Page 27: ...83 十 flange bolt M6X90 2 110 inching lable 1 84 sliping block 2 111 strain relief 3 85 tension block 2 112 plug cord 1 86 sucken hex cap screw M5X16 4 113 samller motor 1 87 spring 2 114 outside cover 1 88 nut M5 7 115 dielectric 1 89 transport belt 1 116 十 flange screw M5X6 2 90 outfeed roller 1 117 PV board 1 91 sucken hex cap bolt M8X12 4 118 washer 8 4 92 table 1 119 washer 8 4 93 support bloc...

Page 28: ...MM3156A DRUM SANDER ２７ Exploded diagram and part list for Cabinet Number Description Qty B 1 Cabinet 1 B 2 Lock 1 B 3 Spring washer 10 4 B 4 Nut M10 8 B 5 Pad 4 ...