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18

Troubleshooting Guide 

 

 

Problem 

Possible Cause 

Solution 

Conveyor belt does not 
move. 

Shaft coupler is not attached. 

Attach the shaft coupler. 

Conveyor rollers run 
intermittently. 

Shaft coupling is loose. 

Align the shaft flats of the gear motor 
and the drive roller and tighten the 
shaft-coupling setscrews. 

Abrasive strip comes off 
drum. 

1.  Slack in abrasive strip on drum. 
2.  Abrasive improperly wrapped. 

1.  Remove the slack in the strip. 
2.  Read the section on wrapping 

abrasive strips. 

Abrasive strip is loose. 

1.  Strip caught on inside edge of 

slot, or on inboard side of drum. 

2.  Strip not cut properly. 

1.  Re-adjust the strip end in the slot 

and/or trim the abrasive edge. 

2.  Re-cut and re-install the abrasive 

strip. 

Abrasive loads up 
prematurely. 

1.  Excessive depth of cut. 
2.  Excessive feed rate. 
3.  Inadequate dust collection. 
4. Inadequate 

abrasive. 

1.  Reduce the depth of cut. 
2.  Use a slower feed rate. 
3.  Increase airflow at the dust ports. 
4.  Use an open-coat abrasive. 

Line or groove in stock. 

1.  Inconsistent feed rate. 

1.  Do not stop or change the feed 

rate. 

Wood burns. 

1.  Abrasive strip is overlapped. 
2.  Excessive depth of cut. 
3.  Excessive depth of cut for fine 

grit. 

4.  Feed rate is too slow. 
5.  Abrasive is loaded. 
6. Worn 

abrasives. 

1.  Re-wrap the abrasive strip. 
2.  Reduce the depth of cut. 
3.  Use a coarser grit or reduce the 

depth of cut. 

4.  Increase the feed rate. 
5.  Clean the abrasives. 
6.  Replace the abrasives. 

Board slips on conveyor 
belt. 

1.  Tension rollers are too high. 
2.  Excessive feed rate. 
3.  Dirty or worn conveyor belt. 

1.  Lower the tension rollers. 
2.  Reduce the feed rate. 
3.  Replace the conveyor belt. 

Sander motor slows or 
stalls 

1.  Improper conveyor belt tension. 
2.  Excessive depth of cut. 
3.  Excessive feed rate. 

1.  Adjust the belt tension. 
2.  Reduce the depth of cut. 
3.  Reduce the feed rate. 

Rippled sanded surface 
A. Non-uniformly 

spaced ripples. 

B. Uniformly 

spaced 

ripples. 

A. Uneven 

feed 

rate. 

B.  Conveyor bed flexing or 

vibration. 

A1. Conveyor belt slipping, see 

above. 

A1. Board slips on conveyor, see 

above. 

A1. Power feed gear motor stalls, 

see above. 

B1. Reduce the depth of cut. 
B1. Reduce the feed rate. 
B1. Check for loose bolts, shaft-

coupling setscrews or out of 
balance drum. 

Gouging of the wood. 

1.  Inconsistent feed rate. 
2.  Stock slipping on conveyor. 
3.  Work piece not properly 

supported. 

1.  Maintain constant feed rate (by 

hand). 

2.  Excessive depth of cut 

(PowerFeed) or inadequate hold 
down pressure. 

3.  Add work supports for long work 

pieces. 

Snipes 

1.  Improper tension on rollers 

1.  See tension roller adjustment. 

Shop wiring breaker 
trips. 

1.  Too many tools on circuit. 
2.  Excessive length or inadequate 

size extension cord. 

1.  Have a certified electrician 

correct the shop-wiring problem. 

2.  Use a shorter, heavier gauge 

extension cord. 

Summary of Contents for PERFORMAX 22-44 Plus

Page 1: ...22 44 Plus Drum Sander shown with optional accessories WMH TOOL GROUP 2420 Vantage Drive Elgin IL 60123 Phone 888 594 5866 Part No M 649003K Fax 800 626 9676 Revision B www wmhtoolgroup com Copyright...

Page 2: ...utside our facilities or to a lack of maintenance WMH TOOL GROUP LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE BEGINNING FROM THE DATE THE PRODUCT WAS PURCHASED AT RETAIL EXCEPT AS STATE...

Page 3: ...3 Setting the Depth of Cut 13 Establishing the Proper Drum Height 13 Selecting SANDSMART Feed Rates 14 Abrasives 14 Selecting Drum Abrasives 14 Selecting Abrasive Grits 15 Stock Feeding Angle 15 Multi...

Page 4: ...y equipment such as face or dust masks that are specifically designed to filter out microscopic particles 11 Do not operate this sander while tired or under the influence of drugs alcohol or any medic...

Page 5: ...ne tipped or if the sanding drum is unintentionally contacted 35 Never leave the machine running unattended Turn the power off and don t leave the machine until it comes to a complete stop 36 All door...

Page 6: ...up WMH Tool Group can also be reached at our web site www wmhtoolgroup com Specifications Stock Number 649003K Max Width in 44 two passes Min Length in 2 1 4 Max Thickness in 4 Min Thickness in 1 32 D...

Page 7: ...les that accept the tool s plug Repair or replace a damaged or worn cord immediately 115 Volt Operation As received from the factory your sander is ready to run at 115 volt operation This sander when...

Page 8: ...er 1 Set of Open End Wrenches 1 Set of Allen Wrenches 1 Adjustable Wrench Read and understand the entire contents of this manual before attempting assembly or operation of this drum sander Failure to...

Page 9: ...is controlled by the height adjustment handle Fig 2 Item B Turning the handwheel in a counterclockwise direction lowers the drum Turning the height adjustment handwheel one revolution lowers the drum...

Page 10: ...n the cover and remove the abrasive strip If you are unsure how to do this see the Wrapping Abrasive Strips section in this manual 2 Using a metal straight edge or ruler as a thickness gauge Fig 4 Ite...

Page 11: ...djusting knob clockwise to raise the outboard end of the drum and counterclockwise to lower it Tighten the four hex cap bolts Repeat this process until the ridge is gone and the entire board is sanded...

Page 12: ...through the slot into the take up fastener Position the abrasive strip with sufficient room between the inside of the slot and the tapered end of the strip to allow it to be pulled into the drum as n...

Page 13: ...the most important set up procedure before operating the sander It may take some experimentation to determine the proper depth of cut given the variables of abrasive grit and types of wood For best re...

Page 14: ...ing the conveyor and or decreasing the depth of cut and run the stock through again Abrasives The abrasive material you choose will have a substantial effect on the performance of your sander Variatio...

Page 15: ...e same thickness Edge Sanding When edge sanding the Performax sander will mimic the opposite edge of the stock which is lying on the conveyor belt Because of this it is important for the stock edge to...

Page 16: ...hing Abrasive Life Abrasive life can also be increased by removing the abrasive strip from the drum and reversing it To do this remove the strip and use what was the trailing end as the starting end o...

Page 17: ...4 Lower the sanding drum so that it just touches the conveyor bed 5 Turn the drum height handle one complete revolution to raise the drum 6 Retighten the bearing hex nuts Tension Roller Pressure Adjus...

Page 18: ...duce the depth of cut 3 Use a coarser grit or reduce the depth of cut 4 Increase the feed rate 5 Clean the abrasives 6 Replace the abrasives Board slips on conveyor belt 1 Tension rollers are too high...

Page 19: ...19 Drum Head Assembly...

Page 20: ...04 Set Screw 1 4 20x1 4 4 25 50 2209 Spider Coupling 1 26 80 3138 Knob Fine Tune Adjustment 1 27 TS 0060081 Hex Head Cap Screw 3 8 16x1 3 4 1 28 20 3216 Spring 1 29 30 9022 Base Conveyor Mounting 1 3...

Page 21: ...21 56 11 1000 04 Washer Lock Int Tooth 1 4 2 57 12 2000 04 Hex Nut 1 4 20 2 58 11 1002 04 Flat Washer 1 4 2 59 12 9001 Hex Nut Nylon Insert Lock 6 32 2 60 2244PLUS 260 Hex Nut 3 8 16 1...

Page 22: ...22 Conveyor and Motor Assembly...

Page 23: ...19 72 2004 Switch ON OFF Drum 1 20 30 0122 Coupler Shaft 1 21 10 4010 04 Set Screw 1 4 20x1 4 2 22 40 4903 Bracket Base Controller 1 23 40 4022W Cover Base Control Housing 1 24 10 4004 12 Bolt Hex Wa...

Page 24: ...24 Wiring Diagram...

Page 25: ...25 WMH Tool Group 2420 Vantage Drive Elgin IL 60123 Phone 888 594 5866 Fax 800 626 9676 www wmhtoolgroup com...

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