Jet J-4210 Operating Instructions And Parts Manual Download Page 6

 6

6.0

  Specifications  

Model number 

J-4210 

Stock numbers 

Belt/Disc Sander with Stand 

414550K 

Belt/Disc Sander only 

414550 

Stand only 

414549 

Motor and Electricals 

Motor type 

Totally enclosed, fan cooled 

Horsepower 1 

HP 

Motor phase 

single 

Motor voltage 

115/230 V 

Cycle 

60 Hz 

Full load amperage (FLA) 

10 / 5.5 

Motor speed 

3450 RPM 

Power transfer 

v-belt 

On/off switch 

Pushbutton with removable safety key 

Recommended circuit size 

1

 15 

Belt sanding 

Belt speed 

1650 SFPM 

Belt size and grit 

6 x 48 in. (153 x 1219 mm), 80 Grit 

Dust port, outside diameter 

2-1/2 in. (63.5 mm) 

Platen 

Cast iron 

Belt table 

Cast iron, 6 x 10-1/2 in. (153 x 267 mm) 

Belt table miter slot 

5/8 in. (16 mm) 

Disc sanding

 

 

Disc speed 

2100 RPM 

Abrasive disc size and grit 

10 in. (254 mm), 80 Grit 

Disc table 

Cast iron, 7-1/2 x 13 in. (191 x 330 mm) 

Disc table miter slot 

5/8 in. (16 mm) 

Disc table tilt 

45 deg. out 

Dust port, outside diameter 

2-1/2 in. (63.5 mm) 

Dimensions 

Overall dimensions, Sander and Stand (LxWxH) 

23 x 26 x 61 in. (584 x 660 x 1550 mm) 

Weights

 

Net weight (sander and stand) 

170 lbs. (77 kg) 

Shipping weight 

Sander only 

121 lbs. (55 kg) 

Stand only 

55 lbs. (25 kg) 

 

Table 1 

L = length, W = width, H = height 
RPM = revolutions per minute 
SFPM = surface feet per minute 
 

1

 Subject to local/national electrical codes.  

 

 

The specifications in this manual were current at time of publication, but because of our policy of continuous 
improvement, JET reserves the right to change specifications at any time and without prior notice, without incurring 
obligations.

 

 

 

 

 

Summary of Contents for J-4210

Page 1: ...Instructions and Parts Manual Belt and Disc Sanding Machine Model J 4210 JET 427 New Sanford Road LaVergne Tennessee 37086 Part No M 414550 Ph 800 274 6848 Revision C 10 2018 www jettools com Copyrig...

Page 2: ...the floor 11 Secure your work Use clamps or a vise to hold your work when practical It is safer than using your hands and it frees both hands to operate the machine 12 Never brush chips away while th...

Page 3: ...ng or poor handling 9 When installing a new disc be certain the disc is accurately centered on the drive wheel Failure to do so could cause a serious unbalanced condition 10 Always present the workpie...

Page 4: ...usting belt tracking 8 9 2 Platen housing position 8 9 3 Adjusting sander tables 8 10 0 Operation 9 10 1 Miter gauge 9 10 2 Controls 9 11 0 User maintenance 9 11 1 Lubrication 9 11 2 Cleaning 9 11 3 R...

Page 5: ...web site www jettools com Retain this manual for future reference If the machine transfers ownership the manual should accompany it Read and understand the entire contents of this manual before attem...

Page 6: ...er slot 5 8 in 16 mm Disc sanding Disc speed 2100 RPM Abrasive disc size and grit 10 in 254 mm 80 Grit Disc table Cast iron 7 1 2 x 13 in 191 x 330 mm Disc table miter slot 5 8 in 16 mm Disc table til...

Page 7: ...ailure to comply may cause serious or fatal injury Use only 3 wire extension cords that have 3 prong grounding plugs and 3 pole receptacles that accept the tool s plug Repair or replace damaged or wor...

Page 8: ...djustment 9 2 Platen housing position The sanding belt can be operated with the platen housing at horizontal vertical or any angle in between Change position of platen housing as follows Numbers in pa...

Page 9: ...t safety key and store key in a safe place Key must be reinserted to start machine 11 0 User maintenance Always disconnect power to machine before performing maintenance Failure to do this may result...

Page 10: ...to rod 74 Position table so it is level and tighten screw 65 against rod 74 11 Connect electrical power and operate machine to check operation 11 5 Replacing V belts 1 Disconnect electrical power 2 Re...

Page 11: ...he set screw 29 Install plate 55 and secure with four screws 56 Check for clearance between plate 55 and sanding disc 30 Install table 60 onto rod 74 Position table so it is level and tighten screw 65...

Page 12: ...belt tension inadequate Tighten sanding belt Excessive pressure being applied to platen housing Reduce pressure on sanding belt and platen housing Motor belt loose Tighten motor belt Disc stalls when...

Page 13: ...13 13 1 1 J 4210 Belt Disc Sander Exploded View...

Page 14: ...hown 300MFD 125VAC 1 26 5513035 Hex Screw 3 8 X 1 3 27 5513036 Flat Washer 3 8 3 28 5513037 Screw 3 8 X 1 1 2 1 29 5513038 Nut Jam 1 30 J 5513039G Mounting Bracket 1 31 5513040 Screw 5 16 X 1 1 32 551...

Page 15: ...Guard 1 76 5513094 Screw 3 16 X 5 8 1 77 5513095 Sanding Belt Cover not shown 1 77A 5513096 Cap Screw not shown 8 78 5512766 Switch Assembly 1 79 5051841 Abrasive Belt 6 x 48 80 Grit 1 5512764 Abrasi...

Page 16: ...16 13 2 1 J 4210 Stand Exploded View 13 2 2 J 4210 Stand Parts List Index No Part No Description Size Qty 1 J 5513476G Access Panel 1 2 5513477 Knob 2 3 414549 Complete Stand Assembly 1...

Page 17: ...17 14 0 Electrical Connections for J 4210...

Page 18: ...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 19: ...19 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

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