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5.8 Unclogging a drain
Attention!
Ensure that the spraying nozzle does not leave the drain!
Water under high-pressure may cause severe injuries!
1. Screw a suitable nozzle onto the high-pressure hose.
2. Unwind the hose (see chapter7.1 "Hydraulic reel control" page.: 41).
3. Put the nozzle into the drain that is to be cleaned.
4. Screw the high-pressure regulator (10) fully open (right).
• Use an input guide support and / or a “Hose inlet guid-
ance rolls” to protect the outer jacket of the HD-tube
against damage.
Control
1. Open the high-pressure valve.
2. Screw the pressure regulator fully to the right.
Control on machine with control box:
3. Press button C (HP pump On).
4. Press button D (Throttle open).
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