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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(1/2") 

48 

Ball Bearing 

17 

Socket Retainer 

49 

Retainer Ring 

18 

Anvil Bushing(1/2") 

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 

O-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 CT3990

Page 1: ... 1 2 Square Drive CT3990 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 INSTRUCTIONS BEFORE USE ...

Page 2: ...n and 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 8 DRIVE AIR RATCHET WRENCH Model CT0675 Applicable EC Directives EC Machinery Directive 2006 42 EC Harmonized standards EN ISO 12100 EN ISO 11148 6 20 Station Road Rowley Regis West Midlands B65 0JU U K Mr Gurcharan Tony Singh Sangher...

Page 3: ...oil 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 approved safety eye face shield ear defenders and hand protection Follow all workshop safety rules regulations and conditions when using the wrench Maintain correct balance and footing Ensure the floor is n...

Page 4: ...line 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 for unusually long air hoses over 8 metres The minimum hose diameter should be1 4 I D and fittings must have the same inside dimensions 4 1 6 Keep hose away from heat oil and sharp edges Check hose for...

Page 5: ...er 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 wrench to free run for an extended period of time as this will reduce bearing life 6 MAINTENANCE WARNING Disconnect the wrench from the air supply before changing accessories servicing or performing main...

Page 6: ...e 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 in the area of the air inlet Flush the wrench out with gum solvent oil or an equal mixture of SAE No 10 oil and paraffin Allow to dry before use 8 ASSEMBLY DIAGRAM AND PARTS LIST ...

Page 7: ...crew 6 12 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 1 2 1 48 Ball Bearing 1 17 Socket Retainer 1 49 Retainer Ring 1 18 Anvil Bushing 1 2 1 50 O Ring 1 19 Front Cover Ass y 1 51 O Ring 2 20 Valve Bushing 1 52 O Ring 2 21 Pin 1 53 O Ring 1 22 Spring 1 54 O Ring 1 23 Spring 1 56 Aluminum nameplates 1 24 Reverse Val...

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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