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When connecting the machine y compressed air). First connect the machine and then the air supply.
Replacing the drill bit
Disconnect the pneumatic hose. Wear protective gloves when replacing the drill bit.
The drill bit and the drill chuck can heat up during longer operation. Open the drill chuck 6 by turning it until the
drill bit can be taken out.
Prior to starting work
Check:
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The oil level, if necessary, refill oiler (line oiler or maintenance unit)
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if the drill bit is firmly clamped to the drill chuck,
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if the pneumatic hose is correctly connected.
Start the machine by actuating the valve trigger 1 and start operation. (The speed can be adjusted by opening the
valve more or less, or by increasing, respectively lowering, the drill pressure.)
Hammer drilling
Use hammer drilling only for concrete, masonry and stone. Switch to hammer drilling by turning the adjusting
ring 9 (see fig. 1) in position of hammer drilling. Only drilling: Turn backward adjusting ring and let it click
into place. B drilling and S hammer drilling (see fig. 5).
After finishing the work
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Shut the valve.
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Shut compressed air supply and disconnect air hose.
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Dismount drill bit, if necessary.
Before underwater operation
Ensure that:
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The exhaust hose is connected and fixed at the supply hose,
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the exhaust hose is long enough to protrude above the water. In case of a short exhaust hose (in the water) a
reverse valve is used, so that water cannot get into the machine when plunging with the machine,
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the machine is tested for leakage and for the functioning of all parts (drilling, blowing, valves, etc.).
Notice: Keep in mind that 10 meter water depth corresponds to 1 bar.
When working in greater depths match the diameter of the supply and exhaust hose appropriately.
After underwater operation
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Clean and dry the machine with compressed air.
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Spray all moving parts with multi-oil-spray.
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UNDERWATER USE
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