Cordless Recipro Saw MODEL 43901) MODEL 4390DW With Fast Charger INSTRUCTION MANUAL SPECIFICATIONS Model 4390D Length of stroke Max. cutting capacities Strokes per minute Pipe Soft wood Hard wood Overall length Net weight Outer dia. x Thickness 15” W16”) 24 mm (15/16”) 12 mm (1/2”l 40 mm x 2 mm (1-518’’ x 5/64”) 2’700 343 mm 1.4 kg (13-1/2”) (3.1Ibs) Voltage Charging time Input output 9.6 V 1 Hr. A.C. only 50 Hz - 60 Hz D.C. 7.2 V, 9.
IMPORTANT SAFETY INSTRUCTIONS (For All Tools) WARNING: WHEN USING ELECTRIC TOOLS, BASIC SAFETY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, AND PERSONAL INJURY, INCLUDING THE FOLLOWING: READ ALL INSTRUCTIONS. 1. KEEP WORK AREA CLEAN. Cluttered areas and benches invite injuries. 2. CONSIDER WORK AREA ENVIRONMENT. Don't use power tools in damp or wet locations. Keep work area well lit. Don't expose power tools to rain.
14. REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of checking to see that keys and adjusting wrenches are removed from tool before turning it on. 15. AVOID UNINTENTIONAL STARTING. Don't carry plugged-in tool with finger on switch. Be sure switch is OFF when plugging in. 16. OUTDOOR USE EXTENSION CORDS. When tool is used outdoors, use only extension cords intended for use outdoors and so marked. 17. STAY ALERT. Watch what you are doing, use common sense. Don't operate tool when you are tired. 18.
IMPORTANT SAFETY INSTRUCTIONS I. SAVE THESE INSTRUCTIONS - This manual Length of Cord (Feet) 25 AWG Size of Cord 18 50 18 100 18 150 16 - replace them immediately. IO. Do not operate charger if it has received a sharp blow, been dropped, or otherwise damaged in any way; take it t o a qualified serviceman. 11. Do not disassemble charger or battery cartridge; take it t o a qualified serviceman when service or repair is required. Incorrect reassembly may result in a risk of electric shock or fire. 12.
ADDITIONAL SAFETY RULES FOR CHARGER & BATTERY CARTRIDGE 1. Do not charge Battery Cartridge when temperature is BELOW 10°C (5OOF) or ABOVE 4OoC (104OF). 2. Do not attempt to use a step-up transformer, an engine generator or DC power receptacle. 3. Do not allow anything t o cover or clog the charger vents. 4. Always cover the battery terminals with the battery cover when the battery cartridge is not used. 5. Do not short the battery cartridge: (I) Do not touch the terminals with any conductive material.
Installingor removing battery cartridge Always switch off the tool before insertion or removal of the battery cartridge. 0 * T o remove the battery cartridge, pull out the set plate on the tool and grasp both sides of the cartridge while withdrawing it from the barrel. .To insert the battery cartridge, align the tongue on the battery cartridge with the groove in the housing and slip it into place. Snap the set plate back into place. Be sure to close the set plate fully before using the tool.
If you wish to charge two battery cartridges, allow 15 minutes between chargings on the fast charger. Installing or removing saw blade CAUTION: Always be sure that the tool is switched off and the battery cartridge is removed before installing or removing the blade. Loosenthe blade securing bolt fully with the hex wrench. Keep the back edge of the blade against the roller and insert the blade between the blade clamp and the slider as far as it will go.
After use, return the hex wrench to the storage position. \ Hex wrench I Switch action To prevent the trigger from being accidentally pulled, a lock-off lever is provided as a safety feature. To start the tool, slide the lock-off lever in the direction of the arrow and pull the trigger. Release the trigger to stop.
Metal cutting Always use a suitable coolant (cutting oil) when cutting metal. Failure to do so will cause significant blade wear. CAUTION: If the tool is operated continuously until the battery cartridge has discharged, allow the tool to rest for 15 minutes before proceeding with a fresh battery. MAINTENANCE CAUTION : Always be sure that the tool is switched off and the battery cartridge i s removed before attempting to perform inspection or maintenance.
OPTIONAL ACCESSORIES The accessories listed in this manual are available at an extra cost from your Makita distributor or Makita factory service center. Service centers are listed on the warranty card packed with your tool. CAUTION : These accessories or attachments are recommended for use with your Makita t o o l specified in this manual. The use of any other accessories or attachments might present a risk o f injury t o persons.
fib-19-’91 EN CORDLESS RECIPRO SAW Model 43900 11
M W E L 43900 ITEM NO. NO. USED 1 1 2 3 4 6 8 7 8 1 1 3 1 1 1 1 11 1 1 1 1 1 12 13 14 16 Fsb-19-’91 MscRIm Dc Motor 9.6 S”pP0II.r v Geer Thin Washer 4 FIet Wa.h.r 4 N n d b &.ring 407 slier P(.m Bsuing 3 Pam Bearing 3 pt.MBs*ing 3 Hex. Socket Head Boll M4x8 S m Pme Housing S n Wnh nem 261 ITEM NO. NO. USED 16 17 10 19 20 21 22 23 24 26 1 1 1 28 27 36 1 1 1 1 1 1 1 1 0 1 EN IwIICR’PTIoN N a m Pate Cmpr.uion Sprinp 3 Lock Off Levu Bmary Holds, TriW.
