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Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]

GENERAL SAFETY RULES

WORK ENVIRONMENT

1. Keep the work area clean and tidy.

2. Dress appropriately - Do not wear loose clothing or jewellery. Tie long hair 

out of the way.

3. Keep children and visitors away - Do not let children handle the impact 

wrench. 

4. Do not operate the impact wrench where there are flammable liquids or 

gases.

5. Keep the air supply hose away from heat, oil and sharp edges.

6. Do not fit the impact wrench to any stand or clamping device that may 

damage the wrench.

USE

1. Stay alert and use common sense - do not operate the impact wrench  

when you are tired or under the influence of alcohol, drugs or medication.

2. Always wear eye protectors when using the impact wrench - Eye 

protectors must provide protection from flying particles from the front and 
the side.

3. Always wear ear protectors when using the impact wrench .

4. Do not overreach - Keep proper footing and balance at all times.

5. Never use any type of bottled gas as a source of power for the impact 

wrench.

6. Do not connect the air supply hose with your finger on the trigger of the 

impact wrench.

7. Do not exceed the maximum pressure for the impact wrench: 90 psi / 6.2 

bar.

8. Check hoses for leaks or worn condition before use, and ensure that all 

connections are secure. 

9. Do not use the impact wrench for any other purpose than that described 

in this manual.

CAUTION: FAILURE TO FOLLOW THESE PRECAUTIONS COULD RESULT IN 
PERSONAL INJURY, AND/OR DAMAGE TO PROPERTY.

Summary of Contents for CAT79

Page 1: ...OPERATING MAINTENANCE INSTRUCTIONS GC0713 IMPACT WRENCH MODEL NO CAT79 PART NO 3110795...

Page 2: ...and operating instructions carefully before using this product Please pay particular attention to all sections of these instructions that display warning symbols and notices GUARANTEE This product is...

Page 3: ...tired or under the influence of alcohol drugs or medication 2 Always wear eye protectors when using the impact wrench Eye protectors must provide protection from flying particles from the front and t...

Page 4: ...k change couplings should not be located at the tool They add weight and could fail due to vibration 17 DO NOT force or misuse the tool It will do a better and safer job at the rate for which it was d...

Page 5: ...e 020 8988 7400 E mail Parts clarkeinternational com or Service clarkeinternational com OVERVIEW NO DESCRIPTION NO DESCRIPTION 1 Anvil 3 Combined Direction Speed Control 2 Trigger 4 1 4 BSP Female Air...

Page 6: ...usually long air hose is required over 8 metres the line pressure or the hose inside diameter may need to be increased The minimum hose diameter should be 5 16 8mm ID and fittings should have the same...

Page 7: ...oil fill screw from the side of the mini oiler and fill with Air line Oil available from your CLARKE dealer Replace the screw before using the wrench 2 If a mini oiler is not being used run a few drop...

Page 8: ...e wrench should be operated in the forward F direction 2 For loosening the wrench should be operated in the reverse R direction FITTING THE IMPACT SOCKET 1 Select the impact socket you require which m...

Page 9: ...ly turn the regulator until the nut or bolt moves very slightly in the direction in which it was set The wrench is now set to replicate that tightness Note the setting for future use When critical tor...

Page 10: ...pplying 3 4oz 22ml of good quality bearing grease Ensure that the screws connecting the hammer case are tightly secured CLEANING Keep the body of the impact wrench clean and free from debris Grit or g...

Page 11: ...he motor may require dismantling Clarke Air Line Oil part no 3050825 is available from your CLARKE dealer STORAGE If the tool is to be stored or is idle for longer than 24 hours run a few drops of Cla...

Page 12: ...owly Air flows weakly from exhaust 1 Motor parts jammed with gum dirt 2 Regulator in closed position 3 General airflow blocked by dirt 1 Examine inlet air filter for cleanliness 2 Adjust regulator to...

Page 13: ...7 18 19 20 24 Ball Bearing 2 Throttle Valve 25 Retainer 3 O Ring 26 Cylinder 4 Throttle Valve Spring 27 Cylinder Dowel 5 Throttle Valve Plunger 28 Not Used 6 Air Inlet 29 Rotor Blade 7 Throttle Valve...

Page 14: ...r Case 16 Reverse Valve Knob Screw 39 Gasket 17 Grease Fitting 40 Bushing 18 Reverse Valve Bushing Gear 41 Screw 19 Set Screw 42 Separator 20 Heli coil 43 Standard Anvil 21 Not Used 44 Socket Retainer...

Page 15: ...15 Parts Service 020 8988 7400 E mail Parts clarkeinternational com or Service clarkeinternational com DECLARATION OF CONFORMITY...

Page 16: ......

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