Makita BTW072 manual

INSTR UCTION MANU AL W ARNING: F or your personal saf ety , READ and UNDERST AND bef ore using. SA VE THESE INSTR UCTIONS FOR FUTURE REFERENCE. Cor dless Impact Wrenc h Equipped with Electric Brake MODEL BTW072 001278[...]

2 SPECIFICATIONS • Manuf acturer reser ves the right to change specifications without notice. • Specifications ma y differ from country to countr y . GENERAL SAFETY R ULES USA003-1 (FOR All BA TTER Y OPERA TED T OOLS ) W ARNING: Read and understand all instructions. F ailure to f ollow all instructions listed below , ma y result in electr ic sh[...]

3 3. Keep bystander s, children, and visitors awa y while operating a power tool. Distrac- tions can cause you to lose control. Electrical Safety 4. A battery operated tool with integral bat- teries or a separate battery pack must be recharged onl y with the specified charger for the battery . A charger that may be suit- able f or one type of batte[...]

4 SER VICE 21. T ool ser vice m ust be performed only by qualified repair personnel. Service or main- tenance performed by unqualified personnel may result in a risk of injury . 22. When servicing a tool, use only identical replacement parts. Follow instructions in the Maintenance section of this manual. Use of unauthorized par ts or f ailure to fo[...]

5 SYMBOLS USD302-1 The f ollowings show the symbols used f or tool. V ....................... volts ................... direct current ................... no load speed .../min ................ rev olutions or reciprocation per minute ................ number of b low IMPOR T ANT SAFETY INSTR UCTIONS FOR CHARGER & B A TTER Y CAR TRIDGE USC002-3 [...]

6 11 . Do not disassemble charger or battery cartridge; take it to a qualified ser viceman when service or repair is required. Incor- rect reassembly ma y result in a risk of electric shock or fire. 12. T o reduce risk of electric shock, unplug charger fr om outlet before attempting any maintenance or cleaning. T urning off con- trols will not redu[...]

7 SYMBOLS The f ollowing show the symbols used f or the charger . Be sure that you understand their meaning bef ore use. .......... Ready to charge ............. Charging ............. Charging complete ........... Delay charge (Cooling) ........ Def ective batter y .... Conditioning ........... Cooling abnormality[...]

8 FUNCTIONAL DESCRIPTION CA UTION: • Alwa ys be sure that the tool is switched off and the batter y cartr idge is remov ed bef ore adjusting or checking function on the tool. Installing or removing battery cartridge • T o remove the battery car tr idge , withdraw it from the tool while pressing the buttons on both sides of the cartr idge. • T[...]

9 NO TE: • The batter y charger is f or charging Makita batter y car tridge. Ne ver use it f or other pur poses or f or other manuf acturer ’ s batteries. • When you charge a ne w batter y car tridge or a batter y car tridge which has not been used for a long period of time, it ma y not accept a full charge. This is a normal condition and doe[...]

10 3. Recharge of full charged batter y 4. Over-discharge of battery (continue to discharge battery in spite of down of po wer .) 5. Recharge under broken cooling system The charging time of such batter y is longer than usual. T rickle char ge (Maintenance charge) If you lea ve the battery car tridge in the charger to prev ent spontaneous dischargi[...]

11 Checking the remaining battery capacity When charging When the charging begins, the first (f ar left) indicating lamp begins to flick er . Then, as charging proceeds, the other lamps light, one after the other , to indicate the batter y capac- ity . When using When the tool is s witched on, the lamps will light to indicate the remaining batter y[...]

12 • Use the re versing s witch only after the tool comes to a complete stop . Changing the direction of rotation before the tool stops ma y damage the tool. • When not operating the tool, alwa ys set the re versing s witch lev er to the neutral position. The remaining Battery capacity A uto-stop mechanism The tool stops automatically (Red colo[...]

13 3. Release the trigger . (The indicating lamp will keep light- ing up lit f or 0.5 seconds, then the lamp will go out.) 4. Hit the tool housing preset number of first digit e xcept 0. (The indicating lamp will light up in green color . Then, the light goes out.) Example: • When the preset number is 12, hit the tool housing once. 5. Pull the tr[...]

14 Relation between presetting number and action Indicating lamp • After impacting preset numbers, the indicating lamp lights in green color . • The red color light will light on if the trigger is pulled bef ore the presetting number of impacts is achiev ed. It indicates that the operation is incomplete . ASSEMBL Y CA UTION: • Alwa ys be sure[...]

15 Installing or removing soc ket T o install the socket, push it onto the an vil of the tool until it locks into place . T o remove the soc ket, simply pull it off . OPERA TION [*1] Presetting number of impacts is impossible f or more than 200 impacts (4 seconds). [*2] F astening time includes when you pull the trigger com- pletely . CA UTION: •[...]

16 1. When the battery car tr idge is discharged almost com- pletely , v oltage will drop and the fastening torque will be reduced. 2. S ocket • F ailure to use the correct size soc ket will cause a reduction in the f astening torque. • A worn socket (w ear on the hex end or square end) will cause a reduction in the f astening torque. 3. Bolt ?[...]

17 Use a screwdriv er to remove the brush holder caps. T ake out the worn carbon br ushes , inser t the new ones and secure the brush holder caps. T o maintain product SAFETY and RELIABILITY , repairs, any other maintenance or adjustment should be perf or med by Makita A uthor iz ed or F actor y Ser vice Centers , always using Makita replacement pa[...]

Memo 18[...]

Memo 19[...]

Warranty Policy Every Makita tool is thoroughly inspected and tested before leaving the factory. It is warranted to be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase. Should any trouble develop during this one year period, return the COMPLETE tool, freight prepaid, to one of Makita ’ s[...]