CHD850 Hammer Drill rev 4.fm Page 2 Monday, February 9, 2015 10:47 AM INTRODUCTION Thank you for purchasing this CLARKE Hammer Drill. Before attempting to use this product, please read this manual thoroughly and follow the instructions carefully. In doing so you will ensure the safety of yourself and that of others around you, and you can look forward to your purchase giving you long and satisfactory service.
CHD850 Hammer Drill rev 4.fm Page 3 Monday, February 9, 2015 10:47 AM SAFETY PRECAUTIONS WARNING: READ ALL INSTRUCTIONS. FAILURE TO FOLLOW ALL INSTRUCTIONS LISTED BELOW MAY RESULT IN ELECTRIC SHOCK, FIRE AND/ OR SERIOUS INJURY. THE TERM “POWER TOOL” IN ALL WARNINGS LISTED BELOW REFERS TO YOUR 850W HAMMER DRILL.
CHD850 Hammer Drill rev 4.fm Page 4 Monday, February 9, 2015 10:47 AM 5. Dress properly. Do not wear loose clothing or jewellery. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts.
CHD850 Hammer Drill rev 4.fm Page 5 Monday, February 9, 2015 10:47 AM 6. Drilling into walls. Do not drill into walls or cavities before checking for hidden electrical wires or water pipes etc. 7. Finishing drilling. Do not touch the drill bit immediately after use, allow time for it to cool.
CHD850 Hammer Drill rev 4.fm Page 6 Monday, February 9, 2015 10:47 AM ELECTRICAL CONNECTIONS WARNING! Read these electrical safety instructions thoroughly before connecting the product to the mains supply. This product battery charger is provided with a standard 13 amp, 230 volt (50Hz), BS 1363 plug, for connection to a standard, domestic electrical supply.
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CHD850 Hammer Drill rev 4.fm Page 7 Monday, February 9, 2015 10:47 AM OVERVIEW The CLARKE CHD850 is a variable-speed drill for DIY use. It is equipped with a variable speed controller and hammer operation and has a lock-on button for continuous operation.
CHD850 Hammer Drill rev 4.fm Page 8 Monday, February 9, 2015 10:47 AM OPERATION IMPORTANT: To avoid accidental starting, ensure the drill is switched OFF before plugging in to the mains. To do this, briefly pull the switch, and release to ensure the trigger lock is not set in the ‘lock’ position.
CHD850 Hammer Drill rev 4.fm Page 9 Monday, February 9, 2015 10:47 AM HAMMER DRILL SELECTION Rotate the drill/hammer drill mode selection switch so that the ‘Hammer’ symbol is aligned with the arrow on the drill body. NORMAL DRILL SELECTION Rotate the drill/hammer drill mode selection switch so that the ‘Drill’...
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CHD850 Hammer Drill rev 4.fm Page 10 Monday, February 9, 2015 10:47 AM AUXILIARY HANDLE AND DEPTH STOP The depth stop is fitted within the auxiliary handle and can only be used if this handle is installed. 1. Slide the handle assembly over the chuck and onto the body of the drill.
CHD850 Hammer Drill rev 4.fm Page 11 Monday, February 9, 2015 10:47 AM optimum cutting speed is achieved whilst maintaining a MODERATE pressure ONLY. NEVER force the drill bit into the work. This will overheat the tip and cause it to dull very quickly.
CHD850 Hammer Drill rev 4.fm Page 12 Monday, February 9, 2015 10:47 AM FAULTFINDING Problem Possible Cause Remedy Tool will not operate No power supply Check supply & rectify as necessary Switch is faulty Consult your Clarke dealer Fuse blown Check &...
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