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.
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. WORK AREA 1.
1. Only use the drill in the manner and for the functions described. 2. Using the correct bit. Use the appropriate drill bit for the material being drilled. Different bits are available from your Clarke dealer. 3. Use of the mains cable. Keep the mains cable well away from the drill and ensure an adequate electrical supply is close at hand so that the operation is not restricted by the length of the cable.
7. Finishing drilling. Do not touch the drill bit immediately after use, allow time for it to cool. 8. Use outdoor extension leads. If working outdoors, always use an approved cable extension suitable for the power rating of this tool (see specifications), the conductor size should also be at least the same size as that on the machine, or larger.
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. Should the plug need changing at any time, ensure that a plug of identical specification is used.
Page 7
OVERVIEW The CLARKE CHD850B is a variable-speed hammer drill designed for DIY use. It is equipped with a variable speed control and hammer operation. It also has a lock-on button for continuous operation. When unpacking, check for damage or shortages etc. Any found should be reported to your CLARKE dealer where the drill was originally purchased.
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. INSERTING A DRILL BIT 1.
HAMMER DRILL SELECTION Slide the drill/hammer drill mode selector switch to the ‘Hammer’ symbol on the drill body. NORMAL DRILL SELECTION Slide the drill/hammer drill mode selector switch to the ‘Drill’ symbol on the drill body. NOTE: Both these operations should only be performed when the drill is at a complete stop.
AUXILIARY HANDLE 1. Fit the handle by loosening it off prior to sliding it over the chuck and onto the body of the drill. 2. Rotate the handle to the desired position and secure in position by twisting the handle grip clockwise. DEPTH STOP 1.
• All bearings etc, in this tool are lubricated with a sufficient amount of high grade lubricant for the tools lifetime under normal operating conditions, therefore no further lubrication is necessary. • Refer to your CLARKE dealer if internal maintenance is required. Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com...
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 & replace if necessary Motor is faulty Consult your Clarke dealer Motor runs but drill bit...
Titanium coated HSS bits last up to 6 times longer than standard bits which can be sharpened using a Clarke Drill Sharpener such as the CBS43 or the CBS16. CHT383 - 19 Piece (Metric) Cobalt Steel Drill Set Part No: 1801383 CHT384 - 25 Piece (Metric) Cobalt Steel Drill Set Part No: 1801384 Suitable for drilling carbon steel, super alloys, titanium and stainless steel.
COMPONENT PARTS GUARANTEE This product is guaranteed against faulty manufacture for a period of 12 months from the date of purchase. Please keep your receipt which will be required as proof of purchase. This guarantee is invalid if the product is found to have been abused or tampered with in any way, or not used for the purpose for which it was intended.
Need help?
Do you have a question about the CHD850B and is the answer not in the manual?
Questions and answers