138 Part Number 80-01111-9 7/10Ice Production CheckThe QM20/QM30 dice ice cube formation is slightly differentfrom our previous models. Manitowoc ice machines have aunique cube shape. It is normal to have a dimple in the icecube (a concave indentation in the cube). Ice cubes from theQM20/QM30 may appear to have a slightly larger dimplethan other Manitowoc ice cube machines. Therefore, cubesize for the QM20/QM30 is determined by measuring the slabweight (the combined weight of all cubes from one harvestcycle). To determine proper slab weight, follow theinstructions listed below.1. Ensure the air filter, front, and back panels are installedproperly and close the bin door.2. During the third harvest cycle open the bin door andcatch the entire slab of ice.3. Weigh the ice slab. The combined weight of all cubesfrom one harvest should weigh between 7 – 9 oz (200 – 270 g). If the slab weight is within this range, theice machine is working properly and no further action isneeded. If the slab weight is not within this range or youdesire a slightly thicker or thinner cube, continue to step4.4. Remove the air filter.5. Remove the two screws holding the front panel in placeand remove the front cover.Locate the ice thickness control dial on the control board (seefigure). Turn the dial clockwise for a thicker cube or counterclockwise for a thinner cube.6. Ensure all of the panels and air filter are reinstalledproperly and the bin door is closed. Repeat steps 1 – 3.! WarningDisconnect ele ctric p ower to th e ice machin e atthe electric switch box before proceeding.SV1710_2ICETHICKNESSCONTROLDIAL
