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Index 

Description 

Q'ty 

Index 

Description 

Q'ty 

▲1 

Housing Ass'y 

32 

Air Regulator 

Air Inlet Bushing 

33 

Throttle Valve 

Exhaust Deflector 

35 

Pin 

Seal 

36 

Pin 

Screw 

37 

Spring 

Rear End Plate 

38 

Spring 

Spacer 

39 

Cap Screw 

Rotor 

40 

Screw 

Rotor Blade 

41 

Screw 

▲10 

Cylinder 

42 

Screw 

11 

Gasket 

43 

Screw 

12 

Front End Plate 

44 

Screw 

13 

Hammer Cage 

45 

Washer 

14 

Hammer Dog 

46 

Washer 

15 

Hammer Pin 

47 

Ball Bearing 

16 

Anvil(3/4") 

48 

Ball Bearing 

17 

Socket Retainer 

49 

Retainer Ring 

18 

Anvil Bushing(3/4") 

50 

O-Ring 

19 

Front Cover Ass'y 

51 

O-Ring 

▲20 

Valve Bushing 

52 

O-Ring 

21 

Pin 

53 

O-Ring 

22 

Spring 

54 

Dust protection ring 

23 

Spring 

56 

Aluminum nameplates 

24 

Reverse Valve 

60 

Washer 

25 

Gasket 

 

 

 

 

 

 

26 

Valve closure 

 

 

 

 

 

 

27 

Trigger Ass'y 

 

 

 

 

 

 

30 

Trigger Pin 

 

 

 

 

 

 

31 

Spring 

 

 

 

 

 

 

are easily damaged parts

 

"▲"are semi assembled parts 

 

 

 

 

 

 

Summary of Contents for CT3991

Page 1: ...3 4 Square Drive CT3991 ORIGINAL INSTRUCTIONS Cannon Tools Limited Address 20 Station Road Rowley Regis West Midlands B65 0JU U K SAVE THESE INSTRUCTIONS AND PRECAUTIONS READ ALL PRECAUTONS AND INSTRU...

Page 2: ...d type as brought into circulation by us In case of alteration of the machine not agreed upon by us this declaration will lose its validity Product description 3 4 SQUARE DRIVE AIR IMPACT WRENCH Model...

Page 3: ...il and sharp edges Check air hose for wear before each use and ensure that all connections are secure Only use impact sockets which are specifically designed for use with an impact wrench Wear approve...

Page 4: ...ine will damage the wrench 4 1 4 Clean the compressor air inlet filter weekly Recommended hook up procedure is shown in fig 1 see also note 4 2 4 1 5 Line pressure should be increased to compensate fo...

Page 5: ...r in fig 1 5 6 Further depression of the secondary trigger in fig 1 provides the maximum torque available DO NOT use any additional force upon the wrench in order to remove a nut DO NOT allow the wren...

Page 6: ...of hose connectors To remedy check the air supply and follow instructions in section 4 b Grit or gum deposits in the wrench may also reduce performance This may be evident in the air strainer located...

Page 7: ...2 Front End Plate 1 44 Screw 1 13 Hammer Cage 1 45 Washer 1 14 Hammer Dog 2 46 Washer 1 15 Hammer Pin 2 47 Ball Bearing 1 16 Anvil 3 4 1 48 Ball Bearing 1 17 Socket Retainer 1 49 Retainer Ring 1 18 An...

Page 8: ...7 CANNON TOOLS LTD Add 20 station road Rowley Regis west midlands B65 0JU U K Made in China...

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