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Manafacture: Makita File size: 302.91 kb File name: Language of manual:

15. Some material contains chemicals which may be toxic. Take caution to prevent dust inhalation and skin contact. Follow material supplier safety data. SAVE THESE INSTRUCTIONS WARNING: MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury. 3 SYMBOLS SYMBOLS 1 The followings show the symbols used for tool. V............................volts A ...........................amperes Hz..........................hertz .................alternating or direct current .......................Class II Construction .../min....................revolutions or reciprocation per minute ....................number of blow FUNCTIONAL DESCRIPTION CAUTION: • Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool. Switch action 006199 1. Switch lever 1 CAUTION: • Before plugging in the tool, always check to see that the switch lever actuates properly and returns to the “OFF” position when released. To start the tool, simply squeeze the switch lever. Release the switch lever to stop. Indicator lamp 006200 1. Indicator lamp 1 The green power-ON indicator lamp lights up when the tool is plugged to the mains. If the indicator lamp is lit but the tool does not start even if the tool is switched ON, the carbon brushes may be worn out, or the motor or the switch may be defective. If the indicator lamp does not light up, the mains cord or the indicator lamp may be defective. ASSEMBLY CAUTION: • Always be sure that the tool is switched off and unplugged before carrying out any work on the tool. Installing or removing the bit 002928 1 2 1. Bit with collar 2. Bit without coller This tool accepts bits either with or without a collar on its shank. To install the bit, follow either procedure (1) or (2) described below. (1) For bits with a collar 006202 1 2 3 Fig.1 4 5 1. Bit 2. Tool retainer 3. Tool holder 4. When the bit is inserted 5. When the bit is retained Pivot the tool retainer back and slightly downward. Insert the bit into the tool holder as far as it will go. To securely retain the bit, return the tool retainer to its original position. CAUTION: • Always assure that the bit is securely retained by attempting to pull the bit out of the tool holder after completing the above procedure. 4 (2)(2) 006201 1 2 3 4 5 Fig.2 1. Notched portion 2. Tool retainer shaft 3. Barrel 4. When the bit is inserted 5. When the bit is retained Pivot the tool retainer front and slightly downward. With the notched portion of the bit facing the tool retainer shaft, insert the bit into the tool holder as far as it will go. Then pivot the tool retainer further downward toward the barrel to securely retain the bit. CAUTION: • Always assure that the bit is securely retained by attempting to pull the bit out of the tool holder after completing the above procedure. • The bit without a collar cannot be retained by the method shown in Fig.(1). To remove the bit, follow the installation procedure in reverse. OPERATION Chipping/Scaling/Demolition Hold the tool firmly with both hands. Turn the tool on and apply slight pressure on the tool so that the tool will not bounce around, uncontrolled. Pressing very hard on the tool will not increase the efficiency. MAINTENANCE CAUTION: • Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance. Replacing carbon brushes 001146 2 3 1. Commutator 2. Insulating tip 3. Carbon brush brushes should be replaced. Keep the carbon brushes clean and free to slip in the holders. Both carbon brushes should be replaced at the same time. Use only identical carbon brushes. Use a hex wrench to remove the motor housing cover. 006203 1 2 1. Hex wrench 5 2. Motor housing cover Use a screwdriver to remove the brush holder caps. Take out the worn carbon brushes, insert the new ones and secure the brush holder caps. 006204 1 2 1. Brush holder cap 2. Screwdriver Lubrication 006205 1 2 1. Cap 2. Wrench 23 This tool requires no hourly or daily lubrication because it has a grease-packed lubrication system. It should be relubricated after every 6 months of operation. Send the complete tool to Makita Authorized or Factory Service Center for this lubrication service. However, if circumstances require that you should lubricate it by yourself, proceed as follows. First, switch off and unplug the tool. Remove the cap using a wrench 23, then replenish with fresh grease (60 g; 2 oz). Use only Makita genuine hammer grease (optional accessory). Filling with more than the specified amount of grease (approx. 60 g; 2 oz) can When the resin insulating tip inside the carbon brush is exposed to contact the commutator, it will automatically shut off the motor. When this occurs, both carbon 5 cause faulty hammering action or tool failure. Fill only with the specified amount of grease. cause faulty hammering action or tool failure. Fill only with the specified amount of grease. 1. Hammer grease 1 Reinstall the ...

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