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Pneumatic Mini Belt Sander 

#505750, JAT-750 
#505751, JAT-751 
#505752, JAT-752 

 
 
 
 

 

 

 

 

 

 

 

 

 

 

 

 

Operation & Parts Manual 

M-505750 

Edition 2 

06/2015 

 
 

JET 

427 New Sanford Road 

LaVergne, TN 37086 

Ph.: 800-274-6848 

www.jettools.com 

 

 

Copyright © 2015 JET 

 JAT-750 

 JAT-752

 JAT-751 

Summary of Contents for JAT-750

Page 1: ... Sander 505750 JAT 750 505751 JAT 751 505752 JAT 752 Operation Parts Manual M 505750 Edition 2 06 2015 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Copyright 2015 JET JAT 750 JAT 752 JAT 751 ...

Page 2: ...t with any additional 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 Locator on the JET website More Information JET is constantly adding new products For complete up to date product information check with your local distributor or visit the JET website How...

Page 3: ...hromium from chemically treated lumber Your risk of exposure varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as face or dust masks that are specifically designed to filter out microscopic particles 9 Do not operate an air tool continually at full throttle without a work loa...

Page 4: ...and may propel small particles caught in the air stream Exercise proper caution 30 Use only recommended accessories improper accessories may be hazardous 31 Maintain tools with care Keep air tool clean and oiled for best and safest performance 32 Do not use combustible gases carbon dioxide oxygen or any bottled gas as an air source for the tool These can present risk of explosion and serious injur...

Page 5: ... set forth in this document The instructions and warnings in this manual may not encompass all possible workplace environments The operator is expected to take appropriate precautions and exercise common sense As with any tool operation safety of operator and bystanders should be first priority If there are questions or comments please contact your local supplier or JET JET can also be reached at ...

Page 6: ...p inline inline inline Overall length folded 8 1 8 in 206 38 mm 10 in 254 mm 12 1 4 in 311 15 mm Overall length maximum 13 in 330 2 mm 15 3 4 in 400 mm 18 1 2 in 470 mm Housing material Aluminum with rubber grip Aluminum with rubber grip Aluminum with rubber grip Net weight 1 94 lb 0 88 kg 2 98 lb 1 35 kg 2 14 lb 0 97 kg Shipping weight 2 27 lb 1 03 kg 3 37 lb 1 53 kg 2 51 lb 1 14 kg 1 The specifi...

Page 7: ... into the air inlet 3 Blow out air line to remove any dirt or moisture then connect air supply hose to tool Set air pressure to 90 psi IMPORTANT Connecting a quick change coupling directly to the tool is not recommended as vibration may cause the connection to fail Instead add a leader hose and install any quick change couplings farther down the line 4 Grip sander securely and push safety lever ba...

Page 8: ...l assembly locks in place See Figure 4 4 Remove old belt Install new belt centering it on the pulleys 5 Press tension lever A Figure 4 to engage tension Figure 4 JAT 750 JAT 751 1 Disconnect sander from air source 2 Loosen hex cap screw see Figure 1 turn head 90 degrees to the handle and tighten screw to lock 3 Steady sander with one hand while pushing down on idle pulley assembly and removing bel...

Page 9: ... 752 1 Disconnect sander from air source 2 Remove belt see Belt replacement 3 Remove screw s and remove old shoe Figure 7 4 Install new shoe and fasten with screw s Make sure tab on shoe end engages slot on sander arm JAT 751 1 Disconnect sander from air source 2 Remove belt see Belt replacement 3 Loosen hex socket cap screw Figure 7 4 Remove old shoe Replace with new shoe 5 Tighten screw and inst...

Page 10: ... cloth Place 4 or 5 drops of air tool oil into air inlet re connect air and run tool for a few seconds to distribute the oil Disconnect air Storage Avoid storing the sander in very humid locations which promotes rusting of internal mechanisms Always oil the tool and disconnect air hose before storage Air system requirements 1 Use proper air hose size refer to tool specifications The hose should be...

Page 11: ...tly rather than with quick connect fittings which may cause pressure drops and tool power reduction Use anti whip devices across hose couplings to prevent hose from whipping in the event of a hose failure or coupling disconnect Always use moisture traps at the compressor for the main distribution line Use moisture traps and in line oilers on each downline that is to be used for air tools See Figur...

Page 12: ...cessive or abnormal vibration Bearings worn Disassemble and inspect bearing Grease or replace as needed Loss of power erratic action Low air pressure Verify compressor has proper CFM rating for tool Check compressor regulator setting set air pressure to 90 psi Set regulator dial on tool to maximum setting Check for loose connections Moisture or obstruction in air hose Air supply must be clean and ...

Page 13: ... following pages To order parts or reach our service department call 1 800 274 6848 Monday through Friday 8 00 a m to 5 00 p m CST Please have the stock number and serial number of your tool available when you call so that we may serve you quickly and accurately ...

Page 14: ...ers 505750 JAT 750 Mini Belt Sander exploded view 23 35 16 13 21 15 17 12 19 20 26 24 44 33 34 30 41 37 39 40 32 31 45 36 43 42 25 22 2 53 38 33 14 51 11 9 10 8 6 7 46 5 3 52 50 28 56 49 54 1 55 55 57 54 47 4 48 27 18 58 59 60 61 29 62 ...

Page 15: ...aft 1 JSM6100 28A Exhaust assembly incl 28 58 61 1 29 TS 2284082 Pan head screw M4x8 1 Index Part No Description Qty 30 61035 Flat head screw M3x8 1 31 61036 Spring pin 3x10 1 32 61037 Pan hd screw M2x5 1 33 BB 684ZZ Ball bearing 684ZZ 2 34 61039 Idle pulley shaft 1 35 61040 Spring 1 36 61041 Tension bar 1 37 61042 Bushing 1 38 61043 Idle pulley 1 39 61044 Spring 1 40 61045 Bracket 1 41 61046 Set ...

Page 16: ...t Sanders 505751 JAT 751 Mini Belt Sander exploded view 21 11 34 35 37 36 14 13 18 15 17 16 12 19 20 10 9 5 7 8 6 25 26 1 29 32 28 31 30 4 2 47 22 23 49 33 25 38 24 39 40 44 43 41 48 43 42 36 46 45 50 51 52 53 3 56 55 54 57 58 27 ...

Page 17: ... 26 Dust shield 1 27 JAT751 27 Silencer 1 28 JSM6100 27 Pan head screw M4x25 1 Index Part No Description Qty 29 JSM6100 57 Lever support 1 30 TS 2284082 Pan hd screw M4x8L 2 31 TS 2361041 Spring washer M4 2 32 TS 2331041 Lock nut M4 1 33 JAT751 33 Bushing 1 34 JAT751 34 Finger pad 1 35 TS 1550031 Flat washer M5 1 36 TS 2361051 Spring washer M5 1 37 TS 1502011 Socket hd cap screw M5x8L 1 38 JAT751 ...

Page 18: ...anders 505752 JAT 752 Mini Belt Sander exploded view 3 31 34 30 33 32 23 59 18 14 13 21 15 17 16 12 19 20 4 9 10 11 5 7 8 6 26 32 38 43 38 39 46 35 42 44 45 37 36 49 41 25 22 1 2 27 29 28 48 24 32 40 47 52 51 50 54 53 55 56 57 58 60 ...

Page 19: ...8A Exhaust shaft assembly incl 27 28 29 53 54 1 28 JSM6100 60 Muffler 1 29 JSM6100 61 Exhaust sleeve 1 Index Part No Description Qty 30 JSM6100 27 Pan head screw M4x25 1 31 JSM6100 57 Lever support 1 32 TS 2284082 Pan head screw M4x8 4 33 TS 2361041 Spring washer M4 2 34 TS 2331041 Lock nut M4 1 35 61035 Screw M3x8 1 36 61036 Spring pin 3x10 1 37 61037 Pan hd screw M2x5 1 38 BB 684ZZ Ball bearing ...

Page 20: ...20 JAT 750 751 752 Mini Belt Sanders 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 ...

Page 21: ...JET 21 www jettools com ...

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