CHECKLIST
working insulating plasters with a type G4 plastering machine
PLASTERING MACHINE
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Remove guard over the cell wheel so that a sufficient quantity of the extremely light insulating plaster is able to enter the mixing pump.
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Fit anti-dust unit including vacuum cleaner or select alternative machinery equipment which reduces the formation of dust when filling with the material.
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Fit XERAL TEC PP screw pump, together with the XERAL TEC NM remixer onto the mixing tube; a mortar-pressure gauge is to be fitted to the outlet of the remixer (NW 35).
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Insert XERAL TEC MW 180 insulating plaster mixing shaft.
Note: The capability of the XERAL insulating plasters with the above-mentioned machinery equipment is tested. The use of other machinery configurations is the responsibility of the processor. -
Connect water to the top water connection of the mixing tube; set water quantity / input to approx. 450 – 500 l/h according to machine and plaster; the consistency of the insulating plaster is to be checked and adjusted before connection of the mortar hoses.
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Continuously check the pressure output of the screw pump during working; should only a low mortar pressure be built up (< approx. 5 bar) it can be assumed that the screw pump is worn and has to be replaced.
PREPARATION OF WORKING
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Mortar hoses: As a rule use 35 gauge mortar hose; a 25 gauge hose may only be used for the last 5 m; XERAL insulating plasters are tested for a hose length of 18.3 m (13.3 m NW 35 and 5 m NW 25); it is recommended that this hose length not be exceeded when working XERAL insulating plasters with a type G4 machine (closed system); the use of longer mortar hoses is the responsibility of the processor; essential extensions should only be made with gauge hoses.
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Flush hoses on the water connection of the plastering machine with water.
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Use spray head with ball valve; spray nozzle 14 – 18 mm depending on compressor rating.
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Check mortar consistency without hoses. For this purpose underlay the outlet of the pressure manometer with a sheet; run the plastering machine and adjust consistency.
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Connect plaster hoses and air hose to the plastering machine.
WORKING
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The insulating plaster is always sprayed from the bottom to the top.
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When working the insulating plaster observe the information in the respective technical fact sheet.
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