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JET   

13 

 

#505720, JAT-720, Dual Action Sander – parts list 

Index Part No. 

Description 

Qty 

1 JAT720-01 Housing 

cover 

JAT720-02 

Motor housing with handle 

3 JAT720-03 Throttle 

lever 

4 JAT720-04 Hinge 

screw 

TS-1541001  Lock nut M4 

JAT720-06 

Hex nut 3/8 in. 

7 JAT720-07 Bracket 

8 JAT720-08 Valve 

body 

9 JAT720-09 O-Ring 

P8/7.8x1.9 

10 JAT720-10  O-Ring 

010/6.0x1.78 

11 JAT720-11  O-Ring 

006/2.9x1.78 

12 JAT720-12  O-Ring 

007/3.69x1.78 

13  JAT720-13 

Throttle valve stem 

14  JAT720-14 

Throttle valve spring 

15 JAT720-15  Handle 

grip 

16 JAT720-16  Regulator 

valve 

17 JAT720-17  O-Ring 

11/20.29x2.62 

18 JAT720-18  Air 

inlet 

19 JAT720-19  Retaining 

ring 

20 JAT720-20  Retaining 

ring 

21 JAT720-21  Bearing 

22 JAT720-22  Rear 

end 

plate 

23 JAT720-23

 

Cylinder 1 

24 JAT720-24  O-Ring 

7.5x2 

 

Index Part No. 

Description 

Qty

25 JAT720-25  Ball 

26 JAT720-26  Rotor 

27 JAT720-27  Rotor 

vane 

28 JAT720-28  Front 

end 

plate 

29 JAT720-29  Rotor 

shaft 

30 JAT720-30  Key 

31 JAT720-31  Gasket 

32 JAT720-32  Drive 

housing 

33  TS-1502081  Soc. hd. cap screw M5x35 

34  TS-1502031  Soc. hd. cap screw M5x12 

35  TS-1502071  Soc. hd. cap screw M5x30 

36 JAT720-36  Orbital 

hub 

37  JAT720-37 

Hex nut 1/4 in. 

38  JAT720-38 

Lock washer 1/4 in. 

39 JAT720-39  Spacer 

40 JAT720-40  Spindle 

lock 

41  TS-2361081  Spring washer 8mm 

42  JAT720-42 

Spindle lock cap screw 

43  JAT720-43 

Hex nut 5/16-24 

44 JAT720-44  Washer 

45  BB-6201VV  Ball bearing 6201-2RS 

46 JAT720-46  Driver 

spindle 

47 JAT720-47  Retaining 

ring 

48  JAT720-48 

Pad 6 in. 

JAT720-RPK, Repair Kit, contains  9,10,11,12(5),14,17,27(5),31,41,47  

 

 

 

 

 

 

 

 

 

Summary of Contents for 505720

Page 1: ...Pneumatic Dual Action Sander 505720 JAT 720 Operation Parts Manual M 505720 Edition 1 02 2015 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Copyright 2015 JET...

Page 2: ...eeded 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...

Page 3: ...romium 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 wi...

Page 4: ...sensitive areas of the body 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...

Page 5: ...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...

Page 6: ...yle Overall Length 8 3 4 in 222 25 mm Housing material Aluminum Net weight 3 99 lb 1 81 kg Shipping weight 4 41 lb 2 0 kg 1 The specified values are emission levels and are not necessarily to be seen...

Page 7: ...connection to fail Instead add a leader hose and install any quick change couplings farther down the line 6 Turn spindle lock to create either random orbit or simple rotary motion 7 Press and hold th...

Page 8: ...he air wrench is too small or the air compressor CFM is not powerful enough for the job Continued use in either capacity will cause damage to the tool Tool Pressure JET Air Tools operate on 70 to 100...

Page 9: ...JET 9 Figure 2 Recommended arrangement of air piping and air line system...

Page 10: ...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 compre...

Page 11: ...lowing 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 whe...

Page 12: ...12 JAT 720 Dual Action Sander 505720 JAT 720 Dual Action Sander exploded view...

Page 13: ...21 JAT720 21 Bearing 2 22 JAT720 22 Rear end plate 1 23 JAT720 23 Cylinder 1 24 JAT720 24 O Ring 7 5x2 1 Index Part No Description Qty 25 JAT720 25 Ball 1 26 JAT720 26 Rotor 1 27 JAT720 27 Rotor vane...

Page 14: ...14 JAT 720 Dual Action Sander This page intentionally left blank...

Page 15: ...JET 15 This page intentionally left blank...

Page 16: ...16 JAT 720 Dual Action Sander 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

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