Hoshizaki KM-40B Service Manual Download | Manualshive

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[h] KM-55B (Philippines)

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Summary of Contents for KM-40B

Page 1: ...KM 40B KM 55B KM 80B SELF CONTAINED CRESCENT CUBER SERVICE MANUAL F120 1011 073117 ...

Page 2: ...4 c ICEMAKING COMPARTMENT 15 2 SEQUENCE OF OPERATION 16 a ONE MINUTE FILL CYCLE 16 b INITIAL HARVEST CYCLE 16 c FREEZE CYCLE 16 d DRAIN CYCLE 16 e NORMAL HARVEST CYCLE 17 3 CONTROAL BOARD 19 a CONTROL BOARD LAYOUT 20 b FEATURES 21 c CONTROLS AND ADJUSTMENTS 23 d CONTROL BOARD CHECK PROCEDURE 27 e CONTROL BOARD REPLACEMENT 28 4 THERMISTOR 28 5 BIN CONTROL SWITCH 29 a EXPLANATION OF OPERATION 29 b B...

Page 3: ...AZING 46 3 COMPRESSOR 47 4 DRIER 48 5 HOT GAS VALVE 49 6 EXPANSION VALVE KM 80B ONLY 51 7 FAN MOTOR 53 8 PUMP MOTOR 54 9 WATER VALVE 55 10 DRAIN VALVE 56 11 FLOAT SWITCH 57 a KM 40B KM 55B 57 b KM 80B 58 12 BIN CONTROL SWITCH 59 13 THERMISTOR 62 14 CONTROL BOX 63 a POWER SWITCH 64 b FUSE 64 c FUSE HOLDER 64 d CONTROL BOARD 64 e POWER RELAY 64 f COMPRESSOR CAPACITOR KM 80B ONLY 65 g CONTROL BOARD T...

Page 4: ...iii a CLEANING PROCEDURE 70 b SANITIZING PROCEDURE 73 2 MAINTENANCE 73 a EXTERIOR PANELS 73 b STORAGE BIN AND SCOOP 74 c AIR FILTER 74 d CONDENSER 74 3 PREPARING THE ICEMAKER FOR LONG STORAGE 74 ...

Page 5: ...1 I SPECIFICATIONS 1 DIMENSIONS SPECIFICATIONS a KM 40B Europe ...

Page 6: ...2 b KM 40B Singapore ...

Page 7: ...3 c KM 40B Australia New Zealand ...

Page 8: ...4 d KM 40B Philippines ...

Page 9: ...5 e KM 55B Europe ...

Page 10: ...6 f KM 55B Singapore ...

Page 11: ...7 g KM 55B Australia New Zealand ...

Page 12: ...8 h KM 55B Philippines ...

Page 13: ...9 i KM 80B Europe ...

Page 14: ...10 j KM 80B Singapore ...

Page 15: ...11 k KM 80B Australia New Zealand ...

Page 16: ...12 l KM 80B Philippines ...

Page 17: ...Box Control Switch Condenser Hot Gas Valve Air Filter Fan Motor Front View Thermistor Water Valve Rear Panel Pump Motor Pipe Cover Power Supply Cord Drain Valve Drier Compressor Rear View Rear Cover Float Switch With Tank Removed Bin Control Switch II GENERAL INFORMATION 1 CONSTRUCTION a KM 40B KM 55B ...

Page 18: ...ront Panel Tank Louver Control Box Control Switch Condenser Hot Gas Valve Air Filter Fan Motor Compressor Front View Thermistor Water Valve Rear Panel Pump Motor Pipe Cover Power Supply Cord Drain Valve Drier Rear Cover Rear View Float Switch With Tank Removed Bin Control Switch ...

Page 19: ...15 c ICEMAKING COMPARTMENT Water Valve Spray Tube Water Supply Pipe Evaporator Pump Motor Separator Cube Guide Float Switch Water Tank ...

Page 20: ...vest cycle is 2 minutes WV is open during harvest for a maximum of 6 minutes or the length of harvest minus 0 10 30 or 50 seconds adjustable by S1 dip switch 7 8 whichever is shorter LED 8 goes off when WV closes PM energizes and runs for the last 0 10 30 or 50 seconds of harvest depending on S1 dip switch 7 8 setting LED 7 comes on when PM energizes At the end of harvest the control board checks ...

Page 21: ... 50 seconds adjustable by S1 dip switch 7 8 whichever is shorter LED 8 goes off when WV closes PM energizes and runs for the last 0 10 30 or 50 seconds of harvest depending on S1 dip switch 7 8 setting LED 7 comes on when PM energizes At the end of harvest the control board checks the position of F S and proceeds to the freeze cycle if it is closed or calls for a 1 minute fill if it is open The un...

Page 22: ...18 ...

Page 23: ...grated circuits which are susceptible to failure due to static discharge It is especially important to touch the metal part of the unit before handling or replacing the board 3 Do not touch the electronic devices on the board or the back of the board to prevent damage to the board 4 Do not change wiring and connections 5 Always replace the whole board assembly when it goes bad 6 Do not short out t...

Page 24: ... K1 Pins 1 3 Float Switch 2 Open 4 5 Bin Control 6 7 Thermistor 8 9 Open Connector K2 Open Alarm Buzzer Dip Switch Alarm Reset Button Relay LEDs 5 indicate which relays are energized as listed below LED 5 X1 Relay Compressor LED 6 X2 Relay Hot Gas Valve Fan Motor Fan Motor off when LED on LED 8 X4 Relay Water Valve LED 4 X6 Relay Drain Valve LED 7 X3 Relay Pump Motor Connector K8 Open Output Test ...

Page 25: ...he circuit and the icemaker automatically stops The control board will signal this problem using 1 beep every 3 seconds The alarm reset button on the control board must be pressed with power on to reset the safety d Low Water Safety The control board checks the position of the float switch at the end of the initial one minute water fill cycle and at the end of each defrost cycle If the float switc...

Page 26: ...LEDs are On Min Max Avg 1 Minute Fill Cycle 8 WV 60 seconds Harvest Cycle 5 6 8 WV HGV Comp 2 minutes 20 minutes 3 to 5 minutes Last 0 10 30 or 50 seconds adjustable by dip switch of harvest WV de energizes and PM energizes LEDs 5 6 and 7 are on Freeze Cycle 5 7 Comp PM FMS 5 minutes freeze timer setting 25 to 30 minutes Drain 5 6 4 Comp HGV DV 10 seconds 20 seconds factory default setting The bui...

Page 27: ... ON ON ON ON KM 40B Philippines OFF OFF ON ON ON ON ON ON ON ON KM 55B ON OFF ON OFF ON ON OFF ON ON ON KM 55B Philippines ON OFF ON OFF ON ON OFF ON OFF ON KM 80B OFF OFF ON ON ON ON OFF ON ON OFF KM 80B Philippines OFF OFF ON ON ON ON OFF ON OFF ON S2 Dip Switch No 1 2 3 4 5 6 KM 40B ON OFF OFF OFF OFF ON KM 55B KM 80B OFF OFF OFF OFF OFF ON Do not adjust the S2 dip switch These must be left in ...

Page 28: ... operate properly or produce high quality ice Dip Switch Setting Time seconds No 3 No 4 T1 T2 OFF OFF 10 120 ON OFF 20 160 OFF ON 20 120 ON ON 20 180 T1 Time to drain the water tank T2 Harvest timer at drain Drain cycle always occurs on the 2nd harvest after startup Then depending on the drain frequency control setting dip switch 5 6 drain cycle occurs every cycle or every 2nd 5th or 10th cycle d ...

Page 29: ...the time determined by the water saver timer setting The water saver timer is factory adjusted and no adjustment is required Dip Switch Setting Time seconds No 7 No 8 OFF OFF 0 ON OFF 10 OFF ON 30 ON ON 50 f Freeze Timer S1 dip switch 9 10 CAUTION Adjust to proper specification or the unit may not operate correctly The freeze timer setting determines the maximum allowed freeze time to prevent poss...

Page 30: ...ust This must be left in the factory default position or the unit will not operate properly The KM 40B KM 55B and KM 80B do not refill j Harvest Completion Detection Control S2 dip switch 4 Do not adjust This must be left in the factory default position or the unit will not operate properly It is deactivated on the KM 40B KM 55B and KM 80B When activated this control determines whether ice remains...

Page 31: ...freeze cycle time and a harvest cycle starts S2 Dip Switch Setting Overfreeze Detection Control No 5 OFF Deactivated ON Activated l Anti Slush Control S2 dip switch 6 Do not adjust This must be left in the factory default position or the unit will not operate properly When activated Ver 1 1 the thermistor located on the suction line checks for a 5 C temperature as the evaporator cools When 5 C is ...

Page 32: ...mal operation beginning with the 1 minute fill cycle e CONTROL BOARD REPLACEMENT The dip switches should be adjusted to the factory default settings as outlined in this manual 4 THERMISTOR A thermistor semiconductor is used as a harvest control sensor and anti slush sensor The resistance varies depending on the suction line temperatures The thermistor detects the temperature of the evaporator outl...

Page 33: ...g the freeze cycle ice pushes in the lever after the five minute timer expires the control board will allow the machine to complete the freeze cycle and the following harvest cycle before shutting down the machine When the bin control is activated the POWER OK LED flashes There is a delay before the shutdown sequence begins The delay varies depending on the cycle the icemaker is in at the time of ...

Page 34: ...control board 6 SWITCHES Control Switch The Control Switch is located at the left front of the unit Remove the Air Filter to access the Control Switch This switch is used to place the machine into one of three modes OFF center position ICE right position and WASH left position 1 OFF In the OFF position no power is supplied to the unit However to avoid any possible risk of electrical shock disconne...

Page 35: ...UIT a KM 40B KM 55B Pump Motor Water Tank Compressor Water Circuit Refrigeration Circuit Drain Valve Drain Outlet Hot Gas Valve Accumulator Insulation Drier Capillary Tube Evaporator Fan Condenser Spray Tube Water Valve Water Inlet Float Switch Thermistor Insulation ...

Page 36: ...Pump Motor Water Tank Compressor Water Circuit Refrigeration Circuit Drain Valve Drain Outlet Hot Gas Valve Drier Expansion Valve Evaporator Fan Condenser Spray Tube Water Valve Water Inlet Float Switch Thermistor ...

Page 37: ...33 2 WIRING DIAGRAM a KM 40B Philippines b KM 40B Except Philippines KM 55B ...

Page 38: ...34 c KM 80B ...

Page 39: ...OR ON OFF FAN MOTOR ON OFF HARVEST CYCLE AFTER BIN FULL FREEZE CYCLE HARVEST CYCLE Thermistor senses 9 C after more than 8 min 30 sec in harvest cycle HARVEST CYCLE Thermistor senses 9 C after 6 min to 8 min 30 sec in harvest cycle FREEZE CYCLE HARVEST CYCLE POWER SWITCH ON OFF THERMISTOR 9 C HARVEST CYCLE INCLUDING DRAIN BIN FULL PART NAME HARVEST CYCLE INITIAL FREEZE CYCLE HARVEST CYCLE FREEZE C...

Page 40: ...otection during initial start up and at the end of each harvest Diagnosis If the water valve does not open check for no supply voltage at water valve terminals bad coil or plugged screen or external filter no water flow If unit fails to start harvest check for open float switch or bad 1 minute timer in board 4 Initial Harvest Cycle The inlet water valve remains energized contactor coil energizes t...

Page 41: ...witch removed replace the board Note Normal freeze cycle will last 20 to 40 minutes depending on model and conditions Cycle times and pressures should follow performance data provided in this manual 6 Drain Cycle The compressor remains energized the hot gas valve energizes the fan motor de energizes The drain valve energizes allowing water to drain from the tank for 20 seconds This removes contami...

Page 42: ...e f Transformer 1 Thermal fuse blown out or coil winding opened 1 Replace g Wiring to Control Board 1 Loose connections or open 1 Check for continuity and replace h Thermistor 1 Leads shorted or open and High Temperature Safety operates If open unit will start but have long defrost cycle 1 See II 4 THERMISTOR i Hot Gas Solenoid Valve 1 Continues to open in freeze cycle and High Temperature Safety ...

Page 43: ...r c Overload Protector 1 Bad contacts 1 Check for continuity and replace 2 Voltage too low 2 Increase voltage 3 Refrigerant overcharged or undercharged 3 Recharge d Starter 1 Bad contacts 1 Check and replace 2 Coil winding opened 2 Replace e Start Capacitor 1 Defective 1 Replace f Power Relay 1 Bad contacts 1 Check for continuity and replace 2 Coil winding opened 2 Replace g Compressor 1 Wiring to...

Page 44: ... open and replace 4 Defective Capacitor 4 Replace 5 Defective or bound impeller 5 Replace and clean e Control Board 1 Defective 1 See II 3 d CONTROL BOARD CHECK PROCEDURE 6 Fan Motor will not start or is not operating a Fan Motor 1 Motor winding opened 1 Replace 2 Bearing worn out 2 Replace 3 Wiring to Fan Motor 3 Check for loose connection or open and replace 4 Fan blade bound locked Fan Motor 4 ...

Page 45: ...ient and or water temperature 1 Too cool 1 Increase temperature e Thermistor 1 Out of position or loose attachment 1 See V 13 THERMISTOR f Control Board 1 Harvest Timer is set too short 1 Adjust longer referring to II 4 THERMISTOR 2 Defective 2 See II 3 d CONTROL BOARD CHECK PROCEDURE 3 Others a Spray Tubes 1 Clogged 1 Clean 2 Out of position 2 Place in position b Water System 1 Dirty 1 Clean c Re...

Page 46: ...oid Valve 5 ABNORMAL ICE PROBLEM POSSIBLE CAUSE REMEDY 1 Small cubes a Cube Guide Water Tank 1 Out of position Circulated water falls into bin 1 Check that Cube Guide is properly installed on Water Tank and tank is fixed securely with snaps b See chart 1 5 and check water supply line Water Solenoid Valve water system Pump Motor and Control Board 2 Cloudy or irregular cubes a See chart 2 1 and 3 an...

Page 47: ...et disconnected from Detector 6 Place in position b Control Board 1 Defective 1 See II 2 d CONTROL BOARD CHECK PROCEDURE 2 Abnormal noise a Pump Motor 1 Bearings worn out 1 Replace b Fan Motor 1 Bearings worn out 1 Replace 2 Fan blade deformed 2 Replace fan blade 3 Fan blade does not move freely 3 Replace c Compressor 1 Bearings worn out or cylinder valve broken 1 Replace 2 Mounting pad out of pos...

Page 48: ...f Handy Flux R134a Repair of the refrigerant circuit requires brazing It is no problem to use the same handy flux that has been used for the current refrigerants However its entrance into the refrigerant circuit should be avoided as much as possible 4 Oil for Processing of Copper Tubing R134a When processing the copper tubing for service wipe off oil if any used by using alcohol or the like Do not...

Page 49: ...ess Valve on the low side line ex Compressor Process Pipe Recover the refrigerant from the Access Valve and store it in a proper container Do not discharge the refrigerant into the atmosphere c EVACUATION AND RECHARGE 1 Attach Charging Hoses a Service Manifold and a Vacuum Pump to the system 2 Turn on the Vacuum Pump 3 Allow the Vacuum Pump to pull down to a 760 mmHg vacuum Evacuating period depen...

Page 50: ...fluoric acid and carbonyl fluoride both of which are hazardous 2 Always recover the refrigerant and store it in a proper container Do not discharge the refrigerant into the atmosphere 3 Do not use silver alloy or copper alloy containing Arsenic 4 Do not use R134a as a mixture with pressurized air for leak testing Refrigerant leaks can be detected by charging the unit with a little refrigerant rais...

Page 51: ...Cover on the Compressor and disconnect Solderless Terminals 5 Disconnect the Discharge and Suction Pipes using brazing equipment 6 Remove the Hold down Bolts Washers and Rubber Grommets 7 Slide and remove the Compressor Unpack the new Compressor package 8 Attach the Rubber Grommets of the previous Compressor 9 Clean the Suction and Discharge Pipes with an abrasive cloth paper 10 Place the Compress...

Page 52: ... 3 Recover the refrigerant and store it in a proper container if required by an applicable law see V 1 b REFRIGERANT RECOVERY 4 Remove the Drier Holder if any and pull the Drier toward you for easy service 5 Remove the Drier using brazing equipment 6 Braze or solder the new Drier with the arrow on the Drier in the direction of the refrigerant flow Use nitrogen gas at a pressure of 0 2 0 3 bar when...

Page 53: ...ot replace the Drier until after all other repair or replacement has been made 1 Unplug the icemaker or disconnect the power source 2 Remove the Louver and Rear Cover 3 Recover the refrigerant and store it in a proper container if required by an applicable law see V 1 b REFRIGERANT RECOVERY 4 Disconnect the Hot Gas Valve leads 5 Remove the screw and the Solenoid Coil 6 Remove the valve and Drier u...

Page 54: ...lve body exceeding 135 C 8 Install the new Drier see V 4 DRIER 9 Check for leaks using nitrogen gas 10 bar and soap bubbles 10 Evacuate the system and charge it with refrigerant see V 1 c EVACUATION AND RECHARGE 11 Attach the Solenoid Coil to the valve body and secure it with the screw 12 Connect the lead wires 13 Refit the panels in their correct positions 14 Plug in the icemaker or connect the p...

Page 55: ...mp cloths or similar 5 Remove the Insulation Hose from the Expansion Valve Sensor Bulb and remove the Bulb 6 Remove the Drier using brazing equipment 7 Braze in the new Expansion Valve Protect the body of the valve from excessive heat and use nitrogen at a pressure of 0 2 0 3 bar when brazing 8 Braze or solder the new Drier see V 4 DRIER 9 Check for leaks using nitrogen gas 10 bar and soap bubbles...

Page 56: ...ls Removed Bulb Insulation Hose Expansion Valve Remove band from Bulb with a screwdriver Wrap this part with a damp cloth to prevent overheating Bulb Expansion Valve is brazed at these two points While brazing remove In sulation Hoses from pipes and keep brazing equipment away from other parts to prevent burning ...

Page 57: ...ing the Fan Motor Bracket and pull out the Fan Motor in the arrow direction To prevent deformation do not hit the Fan on the Condenser or other parts 5 Install the new Fan Motor in the reverse order of the removal procedure 6 Refit the Louver in its correct position 7 Plug in the icemaker or connect the power source Fig 6 Condenser Fan Motor Fan Motor Bracket Screw ...

Page 58: ... Pump Motor discharge outlet and pull off the Silicone Hose Fig 7 6 Remove the screw securing the Pump Motor Shift the Case to the center to release it from the Stopper and lift off the Pump Motor Tie Silicone Hose 7 Install the new motor in the reverse order of the removal procedure 8 Plug in the icemaker or connect the power source and check for leaks 9 Refit the panels in their correct position...

Page 59: ...er coming out 7 Turn the Inlet Nut in the arrow direction to remove it from the Water Valve Do not lose the Gasket inside 8 Remove the two mounting screws 9 Install the new valve in the reverse order of the removal procedure 10 Tighten the Inlet Nut to a torque of 7 85 N m 5 to prevent water leaks 11 Open the water supply tap 12 Plug in the icemaker or connect the power source 13 Check for leaks 1...

Page 60: ...ft the two Hose Clamps 8 Disconnect the Hoses from the Drain Valve Put a towel under the Drain Valve to receive any water coming out and prevent it from splashing out 9 Remove the two mounting screws 10 Install the new valve in the reverse order of the removal procedure 11 Reconnect the water supply and drain connections if disconnected in step 4 12 Open the water supply tap 13 Plug in the icemake...

Page 61: ...ad wire from the Grommet through the slit 4 Remove the Water Tank see V 15 WATER TANK 5 Remove the screw securing the Float Switch 6 Install the new Float Switch in the reverse order of the removal procedure 7 Refit the panels in their correct positions 8 Plug in the icemaker or connect the power source Fig 11 Slit Grommet Mounting Screw Float Switch Attach to three arrowed surfaces when fixing wi...

Page 62: ... diagonally forward 2 to unhook the Float Switch 5 Remove the screw securing the Float Switch to the Bracket 6 Attach the new Float Switch to the Rail of the Bracket Secure them with the screw by fitting the round end of the slot to the screw hole Pump Motor Float Switch Hook A Hook B Float Switch Bracket Screw Pinch Pull Fig 13 Rail Round end of slot Secure here with screw When fitted properly to...

Page 63: ... the power source 2 Remove the Top Panel and unscrew the Rear Panel 3 Disconnect the Connector of the Bin Control Switch lead black covered with a silicone hose and remove the lead wire from the Grommet 4 Remove the Water Tank see V 15 WATER TANK The Bin Control Switch is located as shown below when viewed from the front Fig 14 Mounting Hole Fig 15 Separator Bin Control Switch 5 Pull down and remo...

Page 64: ...the internal structure as shown below Fig 16 Retainer Evaporator Pump Motor Hold here and pull toward you Stopper A both sides Slide Rail both sides Pull Fig 17 Reed Switch Lead Hook Bin Switch Case Bin Switch Plate Reed Switch Cover Stopper B both sides Fit in Stopper A ...

Page 65: ...nd pull the Shaft toward you Fig 18 Top View Slightly warp Pull toward you 9 Refit the removed parts in the reverse order of the removal procedure Be sure to put the lead wire back in the Retainer on the Bracket 10 Plug in the icemaker or connect the power source ...

Page 66: ...s Do not use any sealant other than the above 8 Attach the new Thermistor in position on the Suction Pipe and press down the Thermistor Holder over the Thermistor Be careful not to damage the Thermistor lead Cover the parts with the Insulation and secure them with the Ties Keep the Thermistor inside the Thermistor Holder After the Thermistor Holder is fitted do not pull the Thermistor lead to move...

Page 67: ... same time on both sides of the Control Box and pull the Control Box toward you Tilting only one Tab will not work 4 To refit the Control Box push it in horizontally Fig 20 Tab Control Box Power Relay Transformer Control Board Control Box Capacitor KM 80B only Power Switch Fuse Fuse Holder Tab Push Button Positioning Lug ...

Page 68: ... and take out the Fuse 2 Install the new Fuse in the reverse order of the removal procedure c FUSE HOLDER 1 Disconnect the Tab Terminal and remove the Nut securing the Fuse Holder 2 Install the new Fuse Holder in the reverse order of the removal procedure d CONTROL BOARD 1 Disconnect all the Connectors 2 Pull the Tab to release the Control Board 3 Lift off the Control Board 4 To refit the Control ...

Page 69: ...tors connecting the Control Board The Tie securing the harness may be removed But be careful not to break the lead wires 2 Remove the mounting screw and lift off the Transformer from the fit at the bottom 3 Install the new Transformer in the reverse order of the removal procedure 15 WATER TANK 1 Unplug the icemaker or disconnect the power source Remove all ice from the Storage Bin 2 Drain out the ...

Page 70: ... square holes the rear part of the Water Tank dotted circle below is also unhooked Hold the Water Tank with both hands Fig 22 Water Tank Snap Fig 23 Pump Motor Float Switch 5 Tilt the right side of the Water Tank and pull it toward you Do not hit the Pump Motor or Float Switch Slightly twist the left side of the Water Tank inward and pull it toward you Fig 24 Right Side Left Side ...

Page 71: ...ht top rear 8 Plug in the icemaker or connect the power source Fig 25 Bracket Rail 16 CUBE GUIDE 1 Remove the Water Tank see V 15 WATER TANK 2 Lift off the Cube Guide out of the Water Tank 3 To refit the Cube Guide fit the Notches on both sides to the Stoppers in the Water Tank 4 The unit is provided with two or three Cube Guides quantity varies depending on model Be sure to locate the Vertical Fl...

Page 72: ... the removal procedure Check that the Separator is fit correctly on the Shaft and can swing like a pendulum 5 Plug in the icemaker or connect the power source 18 SPRAY TUBE WATER SUPPLY PIPE SPRAY GUIDE 1 Unplug the icemaker or disconnect the power source Remove the Top Panel 2 Push the Tabs on both sides to release the Spray Tube 3 Remove the end of the Spray Tube from the Bracket 4 Pinch and low...

Page 73: ...it the Spray Guide securely and tightly on the Evaporator fin Otherwise cloudy or irregular ice cubes or performance reduction may be caused 8 Plug in the icemaker or connect the power source 19 DOOR 1 Remove the Top Panel 2 Remove the two mounting screws and the Brace 3 Move the Door to fit the Door Shaft in the inlet of the Door Channel Slide up the Door to release it from the Door Channel 4 Ref...

Page 74: ...g solutions immediately after dilution a CLEANING PROCEDURE 1 Dilute 148 ml of recommended cleaner Hoshizaki Scale Away with 3 8 lit of water 2 Remove the air filter Remove all ice from the evaporator and the ice storage bin Note To remove cubes on the evaporator move the control switch to the OFF position and move it back to the ICE position after 3 minutes The harvest cycle starts and the cubes ...

Page 75: ...ne hose and overflow pipe Next remove the water tank by pressing down on the snaps on the brackets L and R and pulling the tank towards you slightly and pushing it down Be careful to avoid breakage when handling the parts See Fig 29 14 Pull the cube guides quantity varies depending on model upward to remove them from the water tank They are snapped in place See Fig 30 15 Dilute 148 ml of recommend...

Page 76: ...ontrol switch is accessible by removing the water tank Pull the switch towards you for easy maintenance This is the front view with the door opened and the water tank removed Fig 29 Bracket L Snap both ends Evaporator Pump Motor Bracket R Float Switch Cube Guide Water Tank This illustration shows KM 40B 55B The float switch location is different for KM 80B behind the pump motor Push ...

Page 77: ... water Using a chlorine test strip or other method confirm that you have a concentration of about 200 ppm 6 Pour the sanitizing solution into the water tank and allow the sanitizer to sit for 10 minutes 7 Move the control switch to the WASH position Close the door 8 After 15 minutes move the control switch to the OFF position Open the door 9 Disconnect the silicone hose to drain the water Reconnec...

Page 78: ...tral cleaner to wash the filter d CONDENSER Check the Condenser once a year and clean if required by using a brush or vacuum cleaner More frequent cleaning may be required depending on the location of the icemaker 3 PREPARING THE ICEMAKER FOR LONG STORAGE IMPORTANT When shutting off the icemaker for an extended time drain out all water from the water lines and remove the ice from the Storage Bin T...

Page 79: ...ce from the Storage Bin and clean the Bin b Drain the potable Water Tank 1 Turn off the power supply at the breaker box 2 Move the Control Switch on the Control Box to the OFF position 3 Open the Door Disconnect the Silicone Hose to drain the water See Fig 21 4 Reconnect the Silicone Hose back in its correct position after all of the water has drained 5 Remove all ice from the Storage Bin and clea...

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