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 21 

13.0

  Troubleshooting JWDS-1632OSC Drum Sander 

Symptom 

Possible Cause 

Correction * 

Drum motor won’t start 
when switch is activated. 

No incoming current. 

Check connections at plug or circuit panel. 

Safety key missing from switch. 

Install safety key. 

Low voltage. 

Check power line for proper voltage. 

Open circuit in motor or loose 
connection. 

Inspect all lead connections on motor for 
loose or open connections. 

Switch malfunction. 

Replace switch. 

Drum motor will not start: 
fuses blow or circuit 
breakers trip. 

Short circuit in line cord or plug. 

Inspect cord or plug for damaged insulation 
and shorted wires. 

Short circuit in motor or loose 
connections. 

Inspect all connections on motor for loose or 
shorted terminals or worn insulation. 

Incorrect fuse or circuit breaker in 
power line. 

Install correct fuse or circuit breaker. 

Drum motor overheats. 

Air circulation through motor restricted.  Clean motor fan with compressed air to 

restore normal air circulation. 

Motor overloaded (SandSmart not 
functioning properly). 

Have controls inspected and repaired. 

Drum motor stalls, 
resulting in blown fuses 
or tripped circuit. 

Short circuit in motor or loose 
connections. 

Inspect connections on motor for loose or 
shorted terminals or worn insulation. 

Low voltage. 

Correct low voltage conditions. 

Incorrect fuse or circuit breaker in 
power line. 

Install correct fuse or circuit breaker. 

Loud, repetitive noise or 
vibration coming from 
machine. 

Fasteners loose. 

Inspect fasteners and tighten where needed. 

Motor fan is hitting cover. 

Tighten fan or shim fan cover. 

Machine not level. 

Place sander on level floor; shim if needed. 

Conveyor motor stalls. 

Excessive depth of cut. 

Reduce depth of cut; use coarser grit; 
reduce feed rate. 

Conveyor belt does not 
move. 

Shaft coupler is loose or unattached. 

Adjust 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. 

Conveyor belt slips on 
drive roller. 

Improper conveyor belt tension. 

Adjust belt tension. 

Excessive depth of cut and/or feed 
rate. 

Reduce depth of cut and/or feed rate. 

Abrasive strip comes off 
drum. 

Slack in abrasive strip on drum. 

Remove slack in strip. 

Abrasive improperly wrapped. 

Read the section on installing abrasives, and 
rewrap. 

Abrasive strip is loose. 

Strip caught on inside edge of slot, or 
on inboard side of drum. 

Re-adjust the strip end in the slot and/or trim 
the abrasive edge. 

Strip not cut properly. 

Re-cut and re-install the abrasive strip. 

Abrasive loads up 
prematurely. 

Excessive depth of cut. 

Reduce depth of cut. 

Excessive feed rate. 

Reduce feed rate 

Using minimal are of abrasive. 

Use oscillation mode to distribute contact of 
abrasive. 

Inadequate dust collection. 

Increase airflow at dust port. 

Inadequate abrasive. 

Use an open-coat abrasive. 

Summary of Contents for JWDS-1632OSC

Page 1: ...d Parts Manual Drum Sander Model JWDS 1632OSC JET 427 New Sanford Road LaVergne Tennessee 37086 Part No M 723525 Ph 800 274 6848 Edition 1 12 2022 www jettools com Copyright 2022 JET Shown with option...

Page 2: ...hes Form a habit of checking to see that keys and adjusting wrenches are removed from the machine before turning it on 15 Keep safety guards in place at all times when the machine is in use If removed...

Page 3: ...structions and parts breakdown Your machine has been designed and constructed to provide consistent long term operation if used in accordance with the instructions as set forth in this document This m...

Page 4: ...rt Feed Rates 14 9 7 Maximum Performance Tips 15 10 0 User maintenance 16 10 1 Cleaning and Lubrication 16 10 2 Drum Maintenance 16 10 3 Conveyor Belt Replacement 17 10 4 Commutator Brush Inspection 1...

Page 5: ...0 A Motor Speed 120 RPM Capacities Maximum Board Width single pass 16 in 406 mm Maximum Board Width two passes 32 in 812 mm Maximum Board Thickness 3 in 76 2 mm Minimum Board Length 2 3 8 in 60 mm Min...

Page 6: ...5 16 x 49 1 8 in 1088 x 516 x 1248 mm Weights Net Weight 191 lb 86 7 kg Shipping Weight 227 lb 103 3 kg The specifications in this manual were current at time of publication but because of our policy...

Page 7: ...struction manual thoroughly for assembly maintenance and safety instructions 6 1 Shipping Contents Drum Sander see Figure 6 1 1 Sander with conveyor table A 1 Handle B 1 Instruction manual not shown 1...

Page 8: ...5 Insert leveling foot G into bottom hole of leg with flat washers and hex nut 6 Turn stand right side up and push down on it to settle it Tighten all flanged lock nuts on stand 7 Level the stand usi...

Page 9: ...ure tables are lower than top of conveyor table If stock slips on conveyor the tables may be positioned too high Lower tables to allow stock to remain in contact with conveyor Figure 6 4 Extension Tab...

Page 10: ...hat it cannot maintain tension on the strip If this occurs follow the above procedures to reset the take up lever Figure 6 9 7 0 Electrical Connections Electrical connections must be made by a qualifi...

Page 11: ...nameplate ampere rating If in doubt use the next heavier gauge The smaller the gauge number the heavier the cord Recommended Gauges AWG of Extension Cords Amps Extension Cord Length 25 feet 50 feet 7...

Page 12: ...complish tensioning and tracking 8 3 3 Trackers The sander comes equipped with Trackers ceramic guides that reduce the amount of adjustments needed to keep conveyor belt tracked centered on conveyor t...

Page 13: ...ck of pieces being sanded You can increase or decrease tension roller pressure by turning the screws on the tension roller brackets Figure 8 4 Figure 8 4 Tension Adjustment Screws Too much tension rol...

Page 14: ...od rule of thumb when sanding with grits finer than 80 1 To establish drum height position stock under the drum DO NOT start drum 2 Lower drum to the stock thickness making sure drum can still be rota...

Page 15: ...have the same thickness it is best to determine the thickness of the thinnest piece and process all pieces to that same thickness in one session Be aware that the sander will remove cups and crowns i...

Page 16: ...onveyor belt could allow stock to slip during sanding operations NOTE Bearings are pre sealed and require no lubrication Brush the conveyor belt after cleaning operations If not cleaned the conveyor b...

Page 17: ...F Figure 10 7 11 Lift conveyor table and remove it from machine Avoid tearing the belt on any edges underneath the conveyor table Do not allow the Trackers to drop as they may break 12 Set conveyor on...

Page 18: ...ace both at the same time Continued use of damaged or worn brushes may result in damage to motor armature 1 Unplug sander from power source 2 Unscrew and remove cap with flat blade screwdriver See Fig...

Page 19: ...be used if bottom slot wears out 8 Install second tracker opposite the first Use both trackers unless the second one does not fit in conveyor or unless conveyor belt is damaged 9 Turn conveyor table...

Page 20: ...accept stains evenly This will vary by type of wood Oak for example is susceptible to burnishing because of its open pores 12 2 Cleaning Abrasive Strips Regularly clean the abrasive strip on the drum...

Page 21: ...breaker in power line Install correct fuse or circuit breaker Loud repetitive noise or vibration coming from machine Fasteners loose Inspect fasteners and tighten where needed Motor fan is hitting co...

Page 22: ...oo high Lower tension rollers Excessive feed rate Reduce feed rate Dirty or worn conveyor belt Replace conveyor belt Ripples in sanded surface A Non uniformly spaced ripples B Uniformly spaced ripples...

Page 23: ...utTM Abrasive Strip 36 Grit 10 wraps 60 9060 Premium Ready To CutTM Abrasive Strip 60 Grit 14 wraps 60 9080 Premium Ready To CutTM Abrasive Strip 80 Grit 14 wraps 60 9100 Premium Ready To CutTM Abrasi...

Page 24: ...24 15 1 1 JWDS 1632OSC Head Assembly Exploded View...

Page 25: ...t 1 28 JT1 34 Socket Head Cap Screw w Flat Lock Washer M6 x 1 0P x 16L 4 29 JT1 35 Lock Washer M5 4 30 TS 1502031 Socket Head Cap Screw M5 x 0 8P x 12L 4 31 JT1 36 Soc Set Screw CPP w thrdlckr M6 x 1...

Page 26: ...Tooth M5 4 94 JT1 64 Depth Scale 1 95 JT1 65 Phillips Round Hd Machine Screw M3 x 0 5P x 5L 4 96 JT1 66 Circuit Board 115V 60Hz 1 97 JT1 67 Potentiometer 1 98 JT1 68 Oscillating Switch 250V 16A 1 99...

Page 27: ...1 10 JT1 79 Socket Head Button Screw w Lock Washer M6 x 1 0P x 16L 2 11 TS 1521021 Socket Head Set Screw M4 x 0 7P x 5L 2 12 JWDS1632 212 Conveyor Table 1 13 TS 1550041 Flat Washer 6 4 x 19 x 1 5T 2...

Page 28: ...feed Outfeed Tables includes 1 8 1 JWDS1632 401 Extension Table 2 2 TS 1550061 Flat Washer 8 3 x 18 x 1 5T 12 3 TS 1504021 Socket Head Cap Screw M8 x 1 25P x 12L 8 4 JWDS1632 404 Rear Right Table Brac...

Page 29: ...embly 1 1 JWDS1632 301 Leg 4 2 JWDS1632 302 Short Rail 2 3 JWDS2244 305 Long Rail 2 4 JT1 82 Shelf 1 5 JWDS1632 311 Leveling Foot 4 6 JT1 83 Socket Head Cap Screw w Flat Washer M8 x 1 25P x 16L 4 7 JW...

Page 30: ...30 16 0 Electrical Connections for JWDS 1632OSC...

Page 31: ...tional action needed JET has Authorized Service Centers located throughout the United States For the name of an Authorized Service Center in your area call 1 800 274 6846 or use the Service Center Loc...

Page 32: ...32 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

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