User manual SCOTSMAN FM1202R

[. . . ] FM1202R INTRODUCTION To the owner or user: The service manual you are reading is intended to provide you, and the maintenance or service technician, with the information needed to install, start up, clean, maintain, and service this ice system. The FM1202R is a remote condenser modular ice system that fits a variety of Scotsman storage bins. It features: front service for the freezer, gearmotor, control box, water reservoir, and bin control; an electronic circuit for monitoring ice and water level; a thermostatic expansion valve; and R-22 as the refrigerant. TABLE OF CONTENTS For the Installer Specifications . 8 For the Electrician . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Final Check List . [. . . ] Replace the panels. November 1992 Page 22 FM1202R MAINTENANCE AND CLEANING /////////////////////////////WARNING/////////////////////////// Disconnect electrical power before beginning. ////////////////////////////////////////////////////////////////////////// 1. The bin control uses devices that sense light, therefore they must be kept clean enough so that they can "see". At least twice a year, remove the bin control sensors from the base of the ice chute, and wipe the inside clean, as illustrated. The ice machine senses water level by a probe located in the water reservoir. At least twice a year, the probe should be removed from the reservoir, and the tip wiped clean of mineral build-up. SLIDE UP TO REMOVE ICE CHUTE ICE LEVEL SENSORS SLIDE LEFT TO REMOVE RESERVOIR WATER LEVEL SENSOR Inspect the assembly, looking for wear 4. Check and tighten all bolts and screws. ////////////////////////////////////// CAUTION: THE TIP IS MADE OF GLASS /////////////////////////////////////// ICE SWEEP 3. The top bearing in the breaker should also be checked at least two times per year. Check the breaker bearing by: · removing the ice chute cover · unscrewing the ice sweep · removing the water shed · unscrewing the breaker cover (left hand thread) · unscrewing the auger stud BREAKER COVER November 1992 Page 23 FM1202R MAINTENANCE AND CLEANING In some areas the water supply to the ice maker will have a great deal of minerals in it, and that will result in an evaporator and auger becoming coated with these minerals, requiring a more frequent removal than twice per year. If in doubt about the condition of the evaporator and auger, the auger can be removed so the parts can be inspected. Note: Water filters can filter out suspended solids, but not dissolved solids. Check with a water treatment specialist regarding water treatment For more information on removal and replacement of these parts, see REMOVAL AND REPLACEMENT. 1. Remove 3 hex studs holding ice chute cover to ice chute, and remove cover. Loosen band clamp under ice chute, and remove ice chute from evaporator. After the auger has been removed, allow the auger to dry; if the auger is not bright and shiny, it must be cleaned. Reverse to reassemble. ALLEN SCREWS BREAKER & BEARING & AUGER ASSEMBLY November 1992 Page 24 FM1202R SERVICE DIAGNOSIS: Condition - No Ice Being Produced STATUS: NOTHING OPERATES A. Check: The 2 reset switches (spout switch and high pressure): depress and release each switch. If the unit still does not start, check the spout for too much ice, or high side pressure. Check the high side pressure, reset the switch and observe that the fan is forcing air through the condenser. If the pressures rise above the trip out point, and the unit shuts down: a. If the air flow is poor because of the installation, advise the user that the unit should be moved, or the air around it kept cooler. Check that the fan blades are clean, and the fan secure to the fan motor shaft. [. . . ] If there is evidence of water in the oil (rusty bearings and gears; the oil having a creamy white appearance; oil level too high) carefully inspect the bearings and gears. Note: The gears and bearings are available only as pressed together sets. D) After replacing parts as required, (if any) reassemble the gearcase. The two smaller gears and the oil should be in the lower case, the output gear will be with the cover. [. . . ]