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4.2.5. Avoid short-lasting charges one after the other. The rechargeable battery should not be charged after a short use of the
cordless drill. During charging, both the charger and the battery are warming up. This is quite normal. The significant reduction in
the time between the individual charges indicates that the battery is worn out and needs to be replaced.
5. Work with the cordless drill. Settings, on and off.
5.1. Turn on - press the start button.
5.2. Shutdown - releases the start button.
5.3. Spindle Brake.
The cordless drill is equipped with an electronic brake that stops the spindle immediately after the trigger is released. The
brakes guarantee torque and drilling accuracy and do not allow free spindle rotation after shutdown.
5.4. Adjusting the speed of rotation.
The speed of drilling or drilling can be adjusted during operation by increasing or decreasing the press button pressure.
Speed adjustment enables a slow start, which, when drilling openings in plaster or smooth and polished surfaces, prevents the
drill from slipping, while turning and unwinding helps control the process.
5.5. Protective connector. Torque control.
Placing the ring in the selected position causes the clutch to be locked to a certain torque value. Once the set point has been
reached, the safety clutch is automatically switched off. This prevents the screw from turning too deep. For different screws and
different materials different torque values apply. The moment is larger, the larger the number corresponding to the given position.
The ring is set to a specified torque value. We recommend that you start lower-torque operation. The torque should be increased
gradually until the desired result is obtained. To unscrew screws, larger values must be selected.
To drill holes, the setting marked with a drill bit must be selected. The ability to select the setting is obtained with practice.
Setting the ring in the drilling position causes the safety coupling to be deactivated.
5.6. Shifting speeds.
The battery drill has a speed switch that allows you to increase the speed range when changing torque.
I Speed: lower revs, higher torque;
II Speed: higher revs, lower torque.
Depending on the operation, the gear selector must be set to the appropriate position. If it can not be moved, the spindle
must be slightly rotated.
Do not change the position of the gearshift during operation of the cordless drill. This will cause damage to the power tool.
5.7. Placing the work tool.
Move the direction switch to the center position.
Turning the ring on the single-hand chuck to the right produces the desired opening of the jaws required to fit a drill or nozzle.
The drill or tip is inserted in the hole of the chuck. When the ring is turned to the left, the jaws are closed. Tighten firmly.
The tool is disassembled in a sequence opposite to its installation.
When attaching the drill or nozzle to the chuck, attention must be paid to the correct orientation of the tool. When using short
screwdriver bits or bits, an additional magnetic extension should be used.
5.8. Direction of rotation left and right.
Use the direction switch to select the direction of rotation of the spindle.
Rotate to the right - put the switch in the extreme left position.
Rotate left - set the switch to the far right position.
It is not allowed to change the direction of rotation when the spindle of the cordless drill rotates.
5.9. Drilling.
When a large diameter hole is to be drilled, it is recommended to drill a smaller hole first, then be punched to the desired
size. This will prevent overloading the drill. Drilling of deep holes should be done gradually by removing the bore from the hole
periodically to remove chips or dust. If the drill bit lands in the hole during drilling, the drill must be stopped immediately. Use
the change of rotation direction to remove the drill from the hole. The drill must be aligned with the drill hole. Ideally, the drill
must be placed perpendicular to the surface of the workpiece. If the condition of perpendicularity is not observed, it may result
in jamming or breaking of the drill in the hole as well as injury to the user. Continuous drilling at low speeds threatens the engine
with overheating. Periodic breaks should be made at work or the drill should be allowed to work at maximum speed without load
for about 3 minutes. Do not cover holes in the housing for ventilation of the motor.
5.10. Make periodic breaks in work.
5.11. Store and handle the accessories carefully.
5.12. Do not throw the tool, overload it, immerse it in water or other liquids, do not use it to mix adhesive and concrete
solutions.
6. Service and maintenance.
The drill case should be wiped with a piece of soft tissue. Any cleaner should not be used as it may cause damage to the
Summary of Contents for RD-CDL28
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