Makita HM1202 Instruction Manual

Also see for HM1202: Instruction manual Instruction manual Instruction manual Instruction manual Instruction manual

Contents

operating instructions

7After installing, always make sure that the bit issecurely held in place by trying to pull it out.To remove the bit, pull the tool holder cover down allthe way and pull the bit out. (Fig. 4)Bit angle (Fig. 5)The bit can be secured at 12 different angles. Tochange the bit angle, slide the change ring forward,then turn the change ring to change the bit angle. Atthe desired angle, slide the change ring back to theoriginal position. The bit will be secured in place.NOTE:The change ring cannot turn when the bit is notinstalled on the tool.Side handle (auxiliary handle)The side handle can be swung 360° on the verticaland secured at any desired position. It also securesat eight different positions back and forth on the hori-zontal. Just loosen the clamp nut to swing the sidehandle to a desired position. Then tighten the clampnut securely. (Fig. 6)The side handle also can be mounted in the reargroove as shown in Fig. 7. Loosen the clamp nut andwiden the side handle base. Slide the side handleback to the rear groove and secure it with the clampnut. (Fig. 7)Switch action (Fig. 8)CAUTION:Before plugging in the tool, always check to see thatthe tool is switched off.To start the tool, push the switch lever on the left sideof the tool. To stop the tool, push the switch lever onthe right side of the tool.Speed change (Fig. 9)For HM1202C onlyThe blows per minute can be adjusted between 950and 1,900 BPM just by turning the adjusting dial. Thiscan be done even while the tool is running. The dial ismarked 1 (lowest speed) to 6 (full speed). Refer tothe table below for the relationship between the num-ber settings on the adjusting dial and the blows perminute.Chipping / Scaling / Demolition (Fig. 10)Hold the tool firmly with both hands. Turn the tool onand apply slight pressure on the tool so that the toolwill not bounce around, uncontrolled. Pressing veryhard on the tool will not increase the efficiency.Indicator lamp (Fig. 11)For HM1202C onlyThe green power-ON indicator lamp lights up whenthe tool is switched ON. If the indicator lamp is lit butthe tool does not start, the carbon brushes may beworn out, or the electric circuit or the motor may bedefective. If the indicator lamp does not light up andthe tool does not start, the ON/OFF switch or themains cord may be defective.The red service indicator lamp lights up when thecarbon brushes are nearly worn out to indicate thatthe tool needs servicing. After approx. 8 hours of use,the motor will automatically be shut off.MAINTENANCECAUTION:Always be sure that the tool is switched off andunplugged before carrying out any work on the tool.Replacement of carbon brushes (Fig. 12 & 13)Whenever carbon brushes must be replaced, theycut out the tool automatically. When this occurs,loosen the screws which secure the rear cover. Pryup the rear cover with a screwdriver and remove it.Then replace both carbon brushes at the same time.Use only identical carbon brushes.LubricationThis tool requires no hourly or daily lubricationbecause it has a grease-packed lubrication system.Lubricate the tool every time the carbon brushes arereplaced.Run the tool for several minutes to warm it up. Switchoff and unplug the tool.Loosen the six screws and remove the handle.(Fig. 14)Remove the crank cap using a socket wrench.(Fig. 15)Rest the tool on the table with the bit end pointingupwards. This will allow the old grease to collectinside the crank housing. Wipe out the old greaseinside and replace with a fresh grease (30 g). Useonly Makita genuine hammer grease (optional acces-sory). Filling with more than the specified amount ofgrease (approx. 30 g) can cause faulty hammeringaction or tool failure. Fill only with the specifiedamount of grease. Reinstall the crank cap and tightenwith the socket wrench. (Fig. 16)CAUTION:• Be careful not to damage the terminals or leadwires especially when wiping out the old grease orinstalling the handle.• Do not tighten the crank cap excessively. It is madeof resin and is subject to breakage.To maintain product safety and reliability, repairs,maintenance or adjustment should be carried out bya Makita Authorized Service Center.Number on adjusting dial Blows per minute6 1,9005 1,8004 1,6003 1,3002 1,0501 950