Hitachi DH50MRY — инструкция по использованию ротационного молота: советы и предостережения [10/84]

English Releasing the grip reverts the grip and secures the tool in place 3 Pull the tool to make sure it is locked completely 4 To remove the tool fully pull the grip in the direction of the arrow and pull out the tool 5 Regulating the number of rotations and hammering Fig 3 This Rotary Hammer is equipped with a built in electronic control circuit that can adjust and regulate the number of rotations and times of hammering This Rotary Hammer can be used by adjusting the dial depending upon the contents of operation such as boring holes into fragile materials chipping centering etc The scale T of the dial is designed for a minimum speed with the number of 110 rotations per minute and 1050 times of blow per minute The scale 6 is designed for a maximum speed with the number of 230 rotations per minute and 2150 times of blow per minute CAUTION Do not adjust the dial during operation Doing so can result in injury because the Rotary Hammer must be held by only one hand disabling the steady control of the Rotary Hammer 4 When demolishing and chiseling at hammering CAUTION O If the selector lever is switched during motor rotation the tool can start to rotate abruptly resulting in unexpected accidents Make sure to switch the selector lever when the motor is at a complete stop O If the bull point or cold chisel is used at the position of rotation hammering the tool can start to rotate resulting in unexpected accidents Make sure that they are used at the position of hammering 1 Switching to hammering a Push the button release lock and turn the se lector lever counterclockwise b Align of the selector lever and T of the lever holder as illustrated in Fig 7 c Release the button to lock the selector lever NOTE Turn the selector lever do not push the button to check if it is completely locked and make sure that it does not turn 2 When fixing working positions of tools such as cold chisel etc a Push the button release lock and turn the se lector lever Align of the selector lever and of the lever HOW TO USE THE ROTARY HAMMER 1 How to drill holes Fig 4 1 Pull the switch trigger after applying the drill bit tip to the drilling position 2 It is unnecessary to forcibly press the rotary hammer main body It is sufficient to slightly press the rotary hammer to an extent that shavings are freely discharged CAUTION Although this machine is equipped with a safety clutch if the drill bit becomes bound in concrete or other material the resultant stoppage of the drill bit could cause the machine body to turn in reaction Ensure that the main handle and side handle are gripped firmly during operation 2 How to chisel or demolish Fig 5 By applying the tool tip to the chiseling or demolishing position operate the rotary hammer by utilizing its empty weight Forcible pressing or thrusting is unnecessary 3 When drilling at rotation hammering CAUTION If you switch the selector lever during motor rotation the tool can start to rotate abruptly resulting in unexpected accidents Be sure to switch the selector lever when the motor is at a complete stop 1 Switching to rotation hammering a Push the button release lock andturn the selector lever clockwise b Align of the selector lever and T of the lever holder as illustrated in Fig 6 c Release the button to lock the selector lever NOTE Turn the selector lever do not push the button to check if it is completely locked and make sure that it does not turn 9 holder as illustrated in Fig 8 b Release the button to lock the selector lever c Turn the grip as illustrated in Fig 9 and fix the tool to the desired working direction Id Switch the selector lever to hammering according to the procedures mentioned in the above item 1 and secure the position of the tool 5 Install the stopper Fig 10 1 Loosen the side handle and insert the straight portion of the stopper into the handle bolt hole 2 Move the stopper to the specified position and rotate the grip of the side handle clockwise to fix the stopper 6 Warming up Fig 11 The grease lubrication system in this unit may require warming up in cold regions Position the end of the bit so makes contact with the concrete turn on the switch and perform the warming up operation Make sure that a hitting sound is produced and then use the unit CAUTION When the warming up operation is performed hold the side handle and the main body securely with both hands to maintain a secure grip and be careful not to twist your body by the jammed drill bit DRILLING AND DRIVING IN OPERATIONS FOR ANCHORS 1 When a taper shank adapter is used Fig 12 1 Install drill bit with taper shank in the taper shank adapter 2 Turn the power on and drill a base hole to the depth sounded by indicating groove on the drill bit 3 After cleaning out dust with a syringe attach the plug to the anchor tip and drive in the anchor with a manual hammer