Makita HM0871C Instruction Manual

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Contents

Makita HM0871C Instruction Manual Manual pdf 7 page image

79. Hold the tool firmly with both hands.10. Keep hands away from moving parts.11. Do not leave the tool running. Operate the toolonly when hand-held.12. Do not point the tool at any one in the area whenoperating. The bit could fly out and injuresomeone seriously.13. Do not touch the bit or parts close to the bitimmediately after operation; they may beextremely hot and could burn your skin.14. Do not operate the tool at no-load unnecessarily.15. Some material contains chemicals which may betoxic. Take caution to prevent dust inhalation andskin contact. Follow material supplier safety data.SAVE THESE INSTRUCTIONS.WARNING:DO NOT let comfort or familiarity with product (gainedfrom repeated use) replace strict adherence to safetyrules for the subject product.MISUSE or failure to follow the safety rules stated inthis instruction manual may cause serious personalinjury.FUNCTIONAL DESCRIPTIONCAUTION:• Always be sure that the tool is switched off andunplugged before adjusting or checking function on thetool.Switch action (Fig. 1)CAUTION:• Before plugging in the tool, always check to see thatthe tool is switched off.• Switch can be locked in “ON” position for ease ofoperator comfort during extended use. Apply cautionwhen locking tool in “ON” position and maintain firmgrasp on tool.To start the tool, push the switch lever “ON (I)” on the leftside of the tool. To stop the tool, push the switch lever“OFF (O)” on the right side of the tool.Speed change (Fig. 2)The blows per minute can be adjusted just by turning theadjusting dial. This can be done even while the tool isrunning. The dial is marked 1 (lowest speed) to 5 (fullspeed).Refer to the table below for the relationship between thenumber settings on the adjusting dial and the blows perminute.010466CAUTION:• The speed adjusting dial can be turned only as far as 5and back to 1. Do not force it past 5 or 1, or the speedadjusting function may no longer work.For Model HM0871C onlyNOTE:• Blows at no load per minute becomes smaller thanthose on load in order to reduce vibration under noload, but this does not show trouble. Once operationstarts with a bit against concrete, blows per minuteincrease and get to the numbers as shown in the table.When temperature is low and there is less fluidity ingrease, the tool may not have this function even withthe motor rotating.Indicator lamp (Fig. 3)The green power-ON indicator lamp lights up when thetool is plugged. If the indicator lamp does not light up, themains cord or the controller may be malfunction. Theindicator lamp is lit but the tool does not start even if thetool is switched on, the carbon brushes may be worn out,or the controller, the motor or the ON/OFF switch may bemalfunction.The red service indicator lamp flickers up when thecarbon brushes are nearly worn out to indicate that thetool needs servicing. After approx. 8 hours of use, themotor will automatically be shut off.ASSEMBLYCAUTION:• Always be sure that the tool is switched off andunplugged before carrying out any work on the tool.Side handle (auxiliary handle)For tool with stick type side handle (Fig. 4)The side grip swings around to either side, allowing easyhandling of the tool in any position. Loosen the side gripby turning it counterclockwise, swing it to the desiredposition and then tighten it by turning clockwise.For tool with D-shaped side handle (Fig. 5)The side handle can be swung 360° on the vertical andsecured at any desired position. It also secures at eightdifferent positions back and forth on the horizontal. Justloosen the clamp nut to swing the side handle to a desiredposition. Then tighten the clamp nut securely.Installing or removing the bitClean the bit shank and apply bit grease before installingthe bit. (Fig. 6)Insert the bit into the tool. Turn the bit and push it in until itengages.If the bit cannot be pushed in, remove the bit. Pull thereleasing cover down a couple of times. Then insert thebit again. Turn the bit and push it in until it engages.(Fig. 7)After installing, always make sure that the bit is securelyheld in place by trying to pull it out. (Fig. 8)To remove the bit, pull the releasing cover down all theway and pull the bit out. (Fig. 9)Number on adjusting dial Blows per minute5 2,6504 2,4003 1,7502 1,3001 1,100