Summary of Contents for MURO VISLIDER CH7390 Ultra Driver
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Dress properly. Keep your hair, clothing, and gloves away from moving parts. Loose clothing, jewelry, or long hair can be caught in moving parts. Avoid accidental starting. Be sure the switch is off before plugging in. Carrying tools with your finger on the switch or plugging in a tool that have the switch on invites an accident.
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If damaged, have the tool serviced before using. Poorly maintained tools cause many accidents. Use only accessories and screws that are recommended by Muro for your model. Accessories that may be suitable for one tool, may become hazardous when used on another tool.
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Ensure the socket assembly is seated fully into the screwgun per figure 1. Fig1 Next put a bit into the adaptor socket. Pull back the sleeve toward the motor, which allows the bit to be inserted or withdrawn. Release the sleeve after inserting bit, sleeve will return, bit will now be locked into the adaptor.
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Loading Screws Ensure the screws are loaded into the CH7390 with the plastic strip facing out, (use the screw diagram on the side of the nosepiece), and push the strip so the first screw clicks fully into the barrel. Note that the screws will only work when inserted in one direction.
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Adjusting the screw depth With the screwdriver pointing down, turning the adjusting wheel counter-clockwise sinks the screw heads deeper; turning it clockwise reduces the depth of the screw head 2mm (.08in) per full turn. Fig 8 Fig 9 If you experience excessive bit wear Replace the bit and try to apply more down pressure when driving screws.
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Caution! Use of pliers, etc, may damage the feed lever! Ensure the feed latch is held out of the way as shown above Fig 10 when removing screws or unjamming. Ensure plastic strip is in good condition before replacing screws. Plastic segments holding screws should break clean, with one break per screw as screws are driven.
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Bits are consumable and must be replaced if worn badly, bits are specially designed for the Muro auto feed screwdriver. PN SQR28118 and Muro square drive screws will give the best service life. Worn out bits may cause poor countersinking or damage the screw heads.
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