Valmar MULTY P TTi Series Handling, Operating And Maintenance Manual page 117

Place the mixer on solid surface and place each scraper back onto the
mixer individually:
Hold the scraper with both hands and place the each scraper to the scraper
holder and by pressing it towards the spade (compressing the spring) the
scraper is placed on the shaft.
The slider must lock onto the shaft. Please check, whether the scraper is
firmly attached to the shaft and whether it is placed correctly.
It is strictly forbidden to put plastic parts (scrapers) of the appliance into the dishwasher
to clean them!
Incorrectly and correctly attached scraper:
hold the mixer (cooking part) with both hands and place it very slowly into
the cylinder.
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