Valmar MULTY P TTi Series Handling, Operating And Maintenance Manual page 123

place the door on solid surface and remove the rubber seal from the
door;
slowly and carefully with both hands pull the mixer out of the cylinder;
exercise great care to prevent accidental dropping and consequent
damaging of the mixer;
place the mixer on solid surface and remove each scraper from the mixer
individually (push the scraper downwards until it jumps off the shaft);
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