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

MAINTENANCE

DAILY

• Before use, drain water from the air tank, air line and compressor.

• Pour a few drops of CLARKE airline oil, into the

 

air inlet.

 

This should be 

carried out regardless of whether or not an in-line mini oiler is used. If 
an in-line mini oiler is not used, this procedure should be repeated 
after every two to three hours of use.

WEEKLY

• Check the air inlet screen filter 

for blockage and clean if 
necessary.

• Oil can be added directly into 

the internal working parts by 
way of the oil port located on 
the right hand side of the tool 
body.

CLEANING

• Keep the body of the impact wrench clean and free from debris. 

Grit or gum deposits in the tool may reduce efficiency.

SERVICE AND REPAIR

If the tool runs erratically or becomes inefficient although the air supply is in 
good order, it may be necessary to dismantle the air motor and impacting 
clutch and replace any worn or damaged parts. Such servicing and repair 
work should be carried out by qualified service technicians.

PERFORMANCE

Please note that factors other than the tool may effect its operation and 
efficiency such as reduced compressor output, excessive drain on the airline 
moisture or restrictions in the air-line, or the use of connectors of improper size 
or poor condition which will reduce air supply. 

WARNING: MAKE SURE THAT THE IMPACT WRENCH IS DISCONNECTED 
FROM THE AIR SUPPLY BEFORE STARTING ANY CLEANING, OR 
MAINTENANCE PROCEDURES.

Summary of Contents for CAT78

Page 1: ...OPERATING MAINTENANCE INSTRUCTIONS GC0813 IMPACT WRENCH MODEL NO CAT78 PART NO 3110790...

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: ...0 8988 7400 E mail Parts clarkeinternational com or Service clarkeinternational com OVERVIEW NO DESCRIPTION NO DESCRIPTION 1 Anvil 4 Speed Control Regulator 2 Forward Reverse Valve 5 1 4 BSP Female Ai...

Page 6: ...unusually 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 sa...

Page 7: ...h Remove the 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 r...

Page 8: ...ted in the forward direction 2 For loosening the wrench should be operated in the reverse direction FITTING THE IMPACT SOCKET 1 Select the impact socket you require which must be in good condition and...

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: ...NING Keep the body of the impact wrench clean and free from debris Grit or gum deposits in the tool may reduce efficiency SERVICE AND REPAIR If the tool runs erratically or becomes inefficient althoug...

Page 11: ...ol for 5 seconds in order to lubricate the internal parts When not in use disconnect from air supply clean tool and store in a safe dry place SPECIFICATIONS Please note that the details and specificat...

Page 12: ...ealer for repair 3 Drip air tool lubricating oil into air inlet Allow oil to soak moving parts before using Tool runs slowly Air flows weakly from exhaust 1 Motor parts jammed with gum dirt 2 Regulato...

Page 13: ...13 Parts Service 020 8988 7400 E mail Parts clarkeinternational com or Service clarkeinternational com PARTS LIST DIAGRAM...

Page 14: ...Screw 7 Set Screw 33 Screw 8 Housing Bush 34 Exhaust Cover 9 N A 35 Throttle Lever 10 Socket Retaining Ring 36 Pin 11 O Ring 37 Push Pin 12 Anvil 38 O Ring 13 Reverse Valve 39 Gasket 14 Hammer Cage P...

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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