Makita 578 Cordless Metal Cutting Circular Saw with Brushless Motor User Manual

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INSTRUCTION MANUAL
 
MANUEL DINSTRUCTION  
MANUAL DE INSTRUCCIONES  
IMPORTANT: Read Before Using. 
IMPORTANT:  Lire avant usage. 
IMPORTANTE:  Leer antes de usar. 
Cordless Metal Cutter 
Scie à Métaux Sans Fil 
Sierra para Metal Inalámbrica 
DCS551 
015627  

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ENGLISH (Original instructions) 
SPECIFICATIONS 
Model DCS551 
Blade diameter  136 mm - 150 mm (5-3/8 - 5-7/8) 
Max. Cutting depth  57.5 mm (2-1/4) (with 150 mm (5-7/8) diameter) 
No load speed (RPM)  3,900 /min 
Overall length (with BL1830)  332 mm (13-1/8) 
Rated voltage  D.C. 18 V 
Standard battery cartridges  BL1815N / BL1820 / BL1820BBL1830 / BL1830B / BL1840 / BL1840B / 
BL1850 / BL1850B / BL1860B 
Net weight  2.7 kg (5.9 lbs)  2.9 kg (6.4 lbs) 
• Due to our continuing program of research and...

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14. 
Do not overreach. Keep proper footing and 
balance at all times.  This enables better control 
of the power tool in unexpected situations. 
15.  Dress properly. Do not we ar 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. 
16.  If devices are provided for the connection of 
dust extraction and collection facilities, 
ensure these are connected and properly 
used.  Use of dust...

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7. 
Always use blades with correct size and 
shape (diamond versus round) of arbour 
holes.  Blades that do not match the mounting 
hardware of the saw will run eccentrically, 
causing loss of control. 
8.  Never use damaged or incorrect blade 
washers or bolt.  The blade washers and bolt 
were specially designed for your saw, for 
optimum performance and  safety of operation. 
Kickback causes and related warnings  −   Kickback is a sudden reaction to a pinched, bound 
or misaligned saw blade,...

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24. 
Place the wider portion of the saw base on 
that part of the workpiece which is solidly 
supported, not on the section that will fall off 
when the cut is made. 
25.  Never attempt to make a cut with the tool held 
upside down in a vise. This is extremely 
dangerous and can lead  to serious accidents. 
26.  Wear safety goggles and hearing protection 
during operation. 
27.  Do not use any abrasive wheels. 
28.  Only use the blade with the diameter that is 
marked on the saw or specified in the...

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FUNCTIONAL DESCRIPTION  
CAUTION: • Always be sure that the tool is switched off and the 
battery cartridge is removed before adjusting or 
checking function on the tool. 
Installing or removing battery cartridge 
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CAUTION: • Always switch off the tool before installing or 
removing of the battery cartridge. 
• Hold the tool and the battery cartridge firmly 
when installing or removing battery cartridge.
 
Failure to hold the tool and the battery cartridge 
firmly may cause them to slip...

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  015631 To prevent the switch trigger from being accidentally 
pulled, a lock-off lever is provided. To start the tool, 
press the lock-off lever and pull the switch trigger. 
Release the switch trigger to stop. 
Indicating remaining battery capacity 
(Country specific) 
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  015642 When you turn the tool on, the battery indicator shows 
the remaining battery capacity. 
The remaining battery capacity is shown as the 
following table. 
Battery indicator statusRemaining battery capacity
50% -...

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Battery indicatorOn Off Blinking
Protection lock works  015626 In this situation, the tool does not start even if turning 
the tool off and on. To release the protection lock, 
remove the battery, set it to the battery charger and wait 
until the charging finishes. 
Adjusting depth of cut 
1  015629 
CAUTION: • After adjusting the depth of cut, always tighten the 
lever securely. 
Loosen the lever on the side of the rear handle and 
move the base up or down. At the desired depth of cut, 
secure the...

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To remove the blade, press 
the shaft lock so that the 
blade cannot revolve and use the hex wrench to loosen 
the hex bolt counterclockwise. Then remove the hex 
bolt, outer flange and blade. 
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  015634 To install the blade, follow the removal procedure in 
reverse. BE SURE TO TIGHTEN THE HEX BOLT 
CLOCKWISE SECURELY. 
When changing blade, make sure to also clean the upper and 
lower blade guards of accumulated metal chips as discussed 
in the Maintenance section. Such efforts do not...

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3  015640 The sight grooves in the base makes it easy to check 
the distance between the front edge of the blade and 
the workpiece whenever the blade is set to the 
maximum depth of cut. 
 
CAUTION: • Do not use a deformed or cracked blade. Replace 
it with a new one. 
• Do not stack materials when cutting them. • Do not cut hardened steel, wood, plastics, 
concrete, tile, etc. Cut only mild steel, aluminum 
and stainless steel with a suitable saw blade.  
• Do not touch the blade, workpiece or...