Tungsten-carbide tipped bit .................................................................................................................. 35 mm
Core bit ................................................................................................................................................. 90 mm
Wood ................................................................................................................................................... 30 mm
Steel ..................................................................................................................................................... 13 mm
Blows per minute .......................................................................................................................... 1,650 – 3,300
Overall length ......................................................................................................................................... 420 mm
Net weight ................................................................................................................................................. 4.9 kg
• Due to our continuing program of research and development, the specifications herein are subject to change
without notice.
• Note: Specifications may differ from country to country.
Power supply
The tool should be connected only to a power supply of the same voltage as indicated on the nameplate, and
can only be operated on single-phase AC supply. They are double-insulated in accordance with European
Standard and can, therefore, also be used from sockets without earth wire.
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Rotary Hammer HR3550C SPECIFICATIONS Model HR3550C Capacities Tungsten-carbide tipped bit ........................35 mm Core bit ..............................90 mm Wood ..............................30 mm Steel ..............................13 mm No load speed (min ) ......................... 360 – 720 Blows per minute .......................... 1,650 – 3,300 Overall length ............................
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Symbols The following show the symbols used for the tool. Be sure that you understand their meaning before use. [ Read instruction manual. [ DOUBLE INSULATION...
ENGLISH Explanation of general view 1 Bit grease 11 ‘‘Rotation only’’ symbol 21 Screwdriver 2 Bit shank 12 Loosen 22 Brush holder cover 3 Bit 13 Tighten 23 Brush holder cap 4 Chuck cover 14 Side grip 24 Screws 5 Change lever 15 Switch trigger 25 Connector 6 Shift lever...
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20. Check damaged parts 12. Do not touch the bit or parts close to the bit Before further use of the tool, a guard or other part immediately after operation; they may be that is damaged should be carefully checked to extremely hot and could burn your skin.
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Bit angle Hammer drilling operation (Fig. 15) (when chipping, scaling or demolishing) CAUTION: When the bit begins to break through concrete or if Important: the bit strikes reinforcing rods embedded in concrete, Always be sure that the tool is switched off and the tool may react dangerously.
(30 g). Use carbon brushes are nearly worn out to indicate that only Makita genuine hammer grease (optional acces- the tool needs servicing. After approx. 8 hours of use, sory). Filling with more than specified amount of the motor will automatically be shut off.