Assessments - 2, GPA: 5
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5.6 5.7 6) Engage the gun safety catch (D). Refilling and using detergent When using detergent, the adjustable nozzle must be set on " " (on models with this feature). Fill the tank with highly degradable detergent. Recommended cleaning procedure Dissolve dirt by applying the detergent mixed with water to the surface while still dry. When dealing with vertical surfaces work from the bottom upwards. Leave the detergent to act for 1-2 minutes but do not allow the surface to dry. Starting from the bottom, use the high pressure jet at a minimum distance of 30 cm. Do not allow the rinse water to run onto unwashed surfaces. 5.2 If there is a pilot light on the starter device, it should go out. -Water jet control lever (I). Caution - Danger! During operation the appliance must be positioned as shown in fig. 4 on a sturdy, stable surface. Start-up Caution - Danger! Before starting up the appliance check that the water supply hose is connected properly; use of the appliance without water will damage it; do not cover the ventilation grilles when the appliance is in use. On three-phase models for professional use, at first use start the appliance for a very short time to check that the motor is running in the correct direction. If the motor fan is turning anti-clockwise, 6.1 6.2 MAINTENANCE (FIG.5) Any maintenance operations not covered by this chapter should be carried out by an Authorized Sales and Service Centre. Caution - Danger! Always disconnect the plug from the power socket before carrying out any work on the appliance. Cleaning the nozzle 1) Disconnect the lance from the nozzle. 2) Remove any dirt deposits from the nozzle hole using the tool (C1). Cleaning the filter Clean the suction filter (L) and the detergent filter after every 50 hours of operation. exchange two of the three phase wires (L1, L2, L3) in the electrical plug. 1) Turn on the water supply tap fully. 2) Release the safety catch (D). 6.3 Unjamming the motor (on models with this feature) In case of lengthy stoppages, limescale sediments may cause the motor to seize. To unjam the motor, turn the drive shaft with a tool (M). 3) Depress the gun trigger for a few seconds and start up the appliance using the starter device (ON/1). TSS models -In TSS models with automatic delivery flow cut-off 6.4 End-of-season storage Treat the appliance with non-corrosive, non-toxic antifreeze before storing it away for winter. system: -when the gun trigger is released the dynamic pressure automatically cuts out the motor (see fig.4); -when the gun trigger is depressed the automatic drop in pressure starts the motor and the pressure is restored after a very slight delay; -if the TSS is to function correctly all gun releasing and depressing operations must be performed at intervals of less than 4-5 seconds. To prevent damage to the appliance, when running do not stop the water jet for more than 10 minutes at a time. 5.3 Stopping the appliance 1) Set the starter device switch on (OFF/0). 2) Depress the gun trigger and discharge the residual pressure inside the hoses. 3) Engage the gun safety catch (D). 4 6 12English 7 TROUBLESHOOTING EN Problem Pump does not reach working pressure Possible causes Nozzle worn Water filter fouled Water supply pressure low Air being sucked into system Air in pump Adjustable nozzle not positioned correctly Water intake from external tank Intake water too hot Nozzle clogged Insufficient power supply Voltage loss due to use of extension cable Appliance not used for a long period of time Problems with TSS device No electrical power Problems with TSS device Appliance not used for a long period of time Seals worn Water too hot Seals worn Nozzle clogged High pressure system or pump hydraulic circuit not watertight Nozzle clogged Remedy Replace nozzle Clean filter (fig.5) Turn on water supply tap fully Check tightness of hose fittings Switch off the appliance and keep depressing and releasing the gun trigger until the water comes out in a steady flow. Switch the appliance back on again. Turn the adjustable nozzle (E) (+) (fig.3) Connect appliance to the mains water supply Reduce temperature Clean nozzle (fig.5) Check that the voltage of the mains power supply line is the same as that on the plate (fig.2) Check characteristics of extension cable Contact your nearest Authorized Service Centre Contact your nearest Authorized Service Centre Check that the plug is firmly in the socket and that the mains voltage supply is present (*) Contact your nearest Authorized Service Centre Using the tool (L) unjam the motor from the hole at the rear of the appliance (in models with this feature) (fig.5) Have the seals replaced at your nearest Authorized Service Centre Reduce temperature (see technical data Contact your nearest Authorized Service Centre Clean nozzle (fig.5) Contact your nearest Authorized Service Centre Clean nozzle (fig.5) Pressure drops during use Motor “sounds” but fails to start Motor fails to start Water leakage Appliance noisy Oil leakage ...