Act in ac- cordance with them. Power supply cable (HDS 7/12-4 M: with mains plug Keep both books for future reference or for future own- / HDS 10/21-4 M, HDS 13/20-4 S: without mains ers.
Danger of injury from electrical voltage. Support for spray lance Only qualified electricians or authorised Check valve of the detergent suction and qualified technical specialists are permitted to work on the electrical sys- Oil drain plug with safety clip tems. Oil level gauge Health risk from poisonous exhaust gases.
Safety instructions Initial startup The following safety instructions apply to the device: WARNING ● Observe the respectively applicable national regula- Damaged components tions for liquid jet cleaners. Risk of injury ● Observe the respectively applicable national acci- Check that the device, accessories, supply lines and dent prevention regulations.
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System care Suctioning water from the container Define system care DANGER Note Suction of fluids containing solvents or drinking RM 110 prevents calcification of the heating coil in the water presence of hard water. Risk of injury and damage, contamination of drinking Note water RM 111 prevents the formation of black water and cares...
Operation Setting the working pressure and flow rate Pressure/quantity regulator of the pump unit DANGER 1. Turn the regulating spindle clockwise: Increase the Flammable fluids working pressure (MAX). Risk of explosion 2. Turn the regulating spindle anticlockwise: Reduce Do not spray inflammable liquids. the working pressure (MIN).
Operation with hot water/steam Storing the device Recommended cleaning temperatures Note Do not kink the high-pressure hose or the electrical line. ● 30-50 °C: Light soiling 1. Snap the spray lance into the holder on the device ● Max. 60 °C: Soiling containing protein, e.g. in the cover.
Maintenance work CAUTION Installing the high-pressure hose replacement (only Failure to observe the weight hose reel attachment kit 2.639-360.0) Risk of injury and damage Be aware of the weight of the device during transporta- WARNING tion. Risk of injury 1. When transporting the device in vehicles, secure it The hose reel may turn very fast unexpectedly if it is re- to prevent it from slipping or overturning in accord- leased.
Clean the filter on the detergent suction hose The service indicator light flashes 6x Flame sensor has switched off the burner 1. Pull out the detergent suction hose port. 1. Contact Customer Service. 2. Clean the filter in water. The fuel indicator light lights up 3.
The set temperature is not reached when operating with hot water Working pressure/flow rate too high 1. Reduce the working pressure/flow rate via the pres- sure/quantity regulator of the pump unit. Sooty heating coil 1. Have the soot removed from the device by Custom- er Service.
Technical data HDS 7/12-4 M HDS 10/21-4 M HDS 13/20-4 S Electrical connection Mains voltage 230-240 Phase Power frequency Protection type IPX5 IPX5 IPX5 Protection class Power rating Power protection (C-type, gL/gG) Maximum permissible mains grid impedance Ω 0.0607 Water connection Feed pressure (max.)
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