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JET  

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#505740, JAT-740, 7in. Angle Sander – parts list 

Index Part 

No. 

Description 

Qty 

1 JAT741-01 Motor 

housing 

2 JAT741-02 Valve 

housing 

3 JAT741-03 Air 

inlet 

4 JAT452-04 Throttle 

lever 

5 JAT741-05 Valve 

pin 

6 JAT741-06 Valve 

7 JAT741-07 Valve 

seat 

8 JAT741-08 Spring 

9 JAT741-09 E-Ring 

ETW-4 

10 JAT741-10 Spring 

11 JAT741-11 Throttle 

lock 

12 JAT741-12 Screw 

M5x22L 

13 TS-2361051 

Spring 

washer 

M5 

14 JAT741-14 End 

plate 

15 JAT740-15 Rotor 

16 JAT450-16 Rotor 

vane 

17 JAT741-17 Exhaust 

deflector 

18 JAT741-18 Cylinder 

19 JAT741-19 Front 

end 

plate 

20 JAT741-20 Gasket 

21 

JAT741-21 

Spring pin 3x6L 

22

 

40317-13 

Spring pin 3x12L 

23 

BB-608ZZ 

Ball bearing 608ZZ 

24 JAT741-24 Spindle 

5/8-11 

Index Part No. 

Description 

Qty

25 

JAT741-25 

Retaining ring STW-16 

26 JAT741-26 Wave 

washer 

WW-16 

27 JAT740-27 Pinion 

gear 

28 JAT740-28 Bevel 

gear 

29 JAT740-29 Spacer 

30 JAT741-30 Retaining 

ring 

RTW-40 

31 JAT450-34 Key 

3x13 

32 

BB-6201Z 

Ball bearing 6201Z 

33 JAT740-33 Spindle 

cap 

34 

JAT741-34 

Spring pin 4x25L 

35 

JAT741-35 

Ball bearing 6203ZZ 

36 JAT741-36 Backing 

disc 

5/8-11 

37 

JAT741-37 

Disc nut 5/8-11 

38 JAT741-38 Exhaust 

diffuser 

39 JAT741-39 Rubber 

grip 

40 JAT741-40 Shaft 

41 JAT741-41 Spring 

42 JAT741-42 Spindle 

lock 

button 

43 JAT450-54 Dead 

handle 

44 JAT741-44 Pin 

wrench 

45 JAT741-46 Motor 

gasket 

46 

JAT741-47 

Set screw M4x4L 

47 JAT740-48 Bushing 

JAT740-RPK, Repair Kit, contains  7,8,16(4),20 

JAT740-RBK, Repair Kit, contains  24,27,28,32 

 

 

 

 

 

 

 

 

 

Summary of Contents for 505740

Page 1: ...Pneumatic 7in Angle Sander 505740 JAT 740 Operation Parts Manual M 505740 Edition 2 06 2015 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Copyright 2015 JET...

Page 2: ...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 Ce...

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: ...er 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...

Page 5: ...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...

Page 6: ...verall Length 12 in 304 8 mm Housing material Aluminum with rubber grip Net weight 4 72 lb 2 14 kg Shipping weight 5 39 lb 2 44 kg 1 The specified values are emission levels and are not necessarily to...

Page 7: ...o 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 8 Grip handle firmly and place other...

Page 8: ...ool for the job Poor maintenance practices such as using excessive air pressure or air volume Improper or no lubrication Rule of Thumb If it takes more than 8 seconds to tighten or loosen a bolt or nu...

Page 9: ...the environment Your tool contains materials which can be recovered or recycled When its useful life has expired please leave tool at a specialized facility Figure 2 Recommended arrangement of air pip...

Page 10: ...al 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 r...

Page 11: ...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...

Page 12: ...gle Sander 505740 JAT 740 7in Angle Sander exploded view 44 28 23 32 43 4 5 30 26 25 31 24 29 23 13 12 12 13 15 12 2 3 13 10 7 11 6 8 9 13 12 38 16 14 1 33 27 20 17 22 21 18 19 23 37 36 35 45 46 40 41...

Page 13: ...12L 1 23 BB 608ZZ Ball bearing 608ZZ 3 24 JAT741 24 Spindle 5 8 11 1 Index Part No Description Qty 25 JAT741 25 Retaining ring STW 16 1 26 JAT741 26 Wave washer WW 16 1 27 JAT740 27 Pinion gear 1 28 J...

Page 14: ...14 JAT 740 Angle Sander This page intentionally left blank...

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

Page 16: ...16 JAT 740 Angle Sander 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

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