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Hersteller: Hobart Dateigröße: 444.72 kb Dateiname: Unterrichtssprache:

Never use steel wool to clean warewasher surfaces. Use only products formulated to be safe on stainless steel. Turn off the power switch. Open the machine doors. Clean off the dish tables into the dishwasher. Drain the machine by pulling the drain lever (Fig. 11). Remove and empty the slanted strainer and strainer bucket. Wash and rinse them thoroughly. Raise the overflow cover and remove the overflow tube. Wash and rinse the overflow tube inside and out. Remove the pump strainer (if equipped) and clean in a sink. Thoroughly cleanse and flush the dishwasher interior. Remove remaining soil with a soft cloth or brush and mild cleanser. Rinse again. Do not allow food soil to accumulate on the tank bottom. Replace all removed parts. Leave the machine doors open to allow the interior to dry and air out. Make sure that the wash and rinse arms rotate freely and are free of any obstructions. Check rinse nozzles (Figs. 14, 15) to make sure they are free of any lime and solids. RINSE NOZZLE PL-53360 RINSE ARM WASH ARM BEARING PIN HAND KNOB UNSCREW TO REMOVE WASH/RINSE ARMS RINSE ARM RINSE NOZZLE WASH ARM PL-53359 Fig. 14 Fig. 15 – 16 – DOs AND DON'Ts FOR YOUR NEW HOBART WAREWASHER DO assure proper water hardness (4 – 6 grains per gallon is recommended). DO pre-scrap dishes thoroughly. DO use only detergents recommended by your chemical professional. DO at the end of the day, thoroughly cleanse the machine, rinse, and dry (leave doors open). DO closely follow your chemical professional's prescribed deliming schedule. DO use only products formulated to be safe on stainless steel. DO NOT over soften water (recommended water hardness is no less than 4 grains per gallon). DO NOT use detergents formulated for residential dishwashers. DO NOT allow food soil to accumulate on the tank bottom. DO NOT exceed chemical manufacturer's recommended concentrations for detergent, sanitizer, rinse aid, or lime scale remover. DO NOT use steel wool to clean ware or warewasher surface. DO NOT allow foreign objects to enter the unit, especially metallic contaminants. NOTE: Failure to follow use, care, and maintenance instructions may void your Hobart warewasher warranty. – 17 – MAINTENANCE WARNING: DISCONNECT ELECTRICAL POWER SUPPLY (BOTH DISHWASHER AND BOOSTER IF APPLICABLE) AND PLACE A TAG(S) AT THE DISCONNECT SWITCH(ES) TO INDICATE THE CIRCUIT(S) ARE BEING WORKED ON BEFORE BEGINNING ANY MAINTENANCE PROCEDURE. Wash Arms Upper and lower wash and rinse arms (Figs. 14, 15) should turn freely and continue turning for a few seconds after being whirled by hand. To check, DISCONNECT ELECTRICAL POWER SUPPLY (BOTH DISHWASHER AND BOOSTER IF APPLICABLE), rotate arms, and remove any obstructions causing improper operation. If the slanted strainer or strainer bucket is not properly in place, obstructions (such as food particles or bones) may clog the wash arm nozzles. The wash arms are easily removed for cleaning. Removing Wash / Rinse Arms — AM14 / AM14C To remove the lower wash arm, first lift off the rinse arm; then, using a dowel (or end of punch), unscrew the rinse arm bearing pin (Fig. 14) and lift off the lower wash arm. It is not necessary to remove the spacer located on the lower wash arm shaft. The upper wash and rinse arms are removed by unscrewing the hand knob (Fig. 15) and lowering both arms together. Be careful not to drop these arms. Motor(s) The wash pump motor and the blower motor used on gas heat machines are equipped with permanently lubricated bearings and require no lubrication maintenance. Gas Flue (Machines equipped for gas heat only.) When cool, check the flue opening every three months for obstructions. – 18 – TROUBLESHOOTING Manual Reset Button on Pump Motors The motor is equipped with a gray manual reset button (Fig. 16) near the end bell of the motor opposite of the motor junction box. If the pump motor becomes overheated, the thermal overload protector will cause the motor to not operate. If this occurs, press the power switch OFF and allow the motor overload protector to cool for a few minutes. Then press the gray manual reset button, press the power switch ON, and resume normal operation. Fig. 16 To avoid a service call, check symptoms and related possible causes. If machine still does not operate properly, contact Service. SYMPTOM POSSIBLE CAUSE No machine operation. 1. Blown fuse or tripped circuit breaker at power supply. 2. Cycle switch (Fig. 2) may be on MANUAL; turn switch to AUTOMATIC. 3. Check tank water level. PL-41450-1 MOTOR ENDBELL MOTOR RESET BUTTON Dishes not clean. 1. Insufficient wash water due to drain obstruction preventing proper drain closing. 2. Worn or torn drain "O" Ring allowing wash water to drain. 3. Loss of water pressure due to pump obstruction. DISCONNECT ELECTRICAL POWER SUPPLY (BOTH DISHWASHER AND BOOSTER IF APPLICABLE) and drain tank. Check for any obstruction at the pump intake. 4. Incorrect water temperature. Check circuit breaker to electric heat supply. 5. Incorrect detergent dispens...

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