Hoshizaki DCM-240BAF Service Manual Download Page 20 | Manualshive

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A2AAA0269806

FLUSH VALVE ACTIVATED
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Summary of Contents for DCM-240BAF

Page 1: ...NO ISSUED 73067 DCM 240BAF SERVICE MANUAL MODEL HOSHIZAKI CUBELET ICE DISPENSER JUNE 23 1998 REVISED DEC 15 2003...

Page 2: ...d explanation of the problem HOSHIZAKI provides this manual primarily to assist qualified service technicians in the service and maintenance of the dispenser Should the reader have any questions or co...

Page 3: ...TA 22 IV SERVICE DIAGNOSIS 23 1 NO ICE PRODUCTION 23 2 LOW ICE PRODUCTION 25 3 FAULTY DISPENSER 26 4 OTHERS 27 V REMOVAL AND REPLACEMENT OF COMPONENTS 28 1 SERVICE FOR REFRIGERANT LINES 28 a REFRIGERA...

Page 4: ...VI CLEANING AND MAINTENANCE INSTRUCTIONS 42 1 PREPARING THE ICE DISPENSER FOR LONG STORAGE 42 2 CLEANING INSTRUCTIONS 44 a CLEANING PROCEDURE 44 b SANITIZING PROCEDURE 46 3 MAINTENANCE INSTRUCTIONS 4...

Page 5: ...ior notice 275 125 240 110 215 98 190 87 265 120 230 105 210 95 190 86 250 111 215 98 200 90 175 78 115 60 1 8 5 A AT 104 F 40 C WT 80 F 27 C N A N A Ambient Water Temp F C Temp F C 50 10 70 21 90 32...

Page 6: ...height 5 3 Do not adjust exceeding the above recommendation II GENERAL INFORMATION 1 CONSTRUCTION Hoshizaki Cubelet Ice Dispenser model DCM 240BAF includes Water Supply Freezer Condensing Storage Disp...

Page 7: ...oken into cubelet ice compressed ice and then pushed out into the Storage Bin Moving the Power Switch and the Ice Making Switch on the left of the Middle Front Panel to the ON position starts the auto...

Page 8: ...8 A2AAA0269804 III TECHNICAL INFORMATION 1 WATER CIRCUIT AND REFRIGERANT CIRCUIT...

Page 9: ...9 A2AAA0269804 2 WIRING DIAGRAM...

Page 10: ...10 3 SEQUENCE OF ELECTRICAL CIRCUIT POWER ON WATER STARTS TO BE SUPPLIED TO RESERVOIR AGITATION TIMER ON 2 SEC A2AAA0269806...

Page 11: ...11 A2AAA0269806 RESERVOIR FILLS UP GEAR MOTOR TURNS ON...

Page 12: ...12 A2AAA0269806 COMPRESSOR STARTS 60 SEC AFTER GEAR MOTOR...

Page 13: ...13 A2AAA0269806 ICE MAKING CONTINUES...

Page 14: ...14 A2AAA0269806 BIN CONTROL SWITCH TRIPPED COMPRESSOR STOPS 90 SEC LATER...

Page 15: ...15 A2AAA0269806 GEAR MOTOR STOPS 60 SEC AFTER COMPRESSOR...

Page 16: ...16 A2AAA0269806 DISPENSE ICE BIN CONTROL STILL TRIPPED...

Page 17: ...17 A2AAA0269806 DISPENSE WATER BIN CONTROL STILL TRIPPED...

Page 18: ...18 A2AAA0269806 WATER PRESSURE GETS LOW BLACK AND BLUE LEADS OF FLOAT OPEN COMPRESSOR STOPS 90 SEC LATER AND GEAR MOTOR STOPS 60 SEC AFTER COMPRESSOR STOPS...

Page 19: ...19 A2AAA0269806 FLUSH SWITCH ACTIVATED...

Page 20: ...20 A2AAA0269806 FLUSH VALVE ACTIVATED WITH TIMER...

Page 21: ...21 A2AAA0269806 AGITATION TIMER ACTIVATES GEAR MOTOR...

Page 22: ...10 70 21 90 32 70 21 275 125 265 120 250 111 80 27 240 110 230 105 215 98 90 32 215 98 210 95 200 90 100 38 190 87 190 86 175 78 70 21 670 660 670 80 27 680 680 680 90 32 690 700 680 100 38 700 700 7...

Page 23: ...ll not start a Power Supply Cord b Power Switch on left bottom of Front Panel c Fuse 1A Control Box a Water Supply Line b Water Valve c Water Control Relay d Timer a Compressor b Timer c Motor Protect...

Page 24: ...ce 1 Replace 2 Clean 1 Check for continuity and replace 1 Replace 1 Check for continuity and replace 1 Move to ON position 2 Check for continuity and replace 1 Install 1 Replace 2 Clean 1 Replace PROB...

Page 25: ...e Auger use Hoshizaki Scale Away or LIME A WAY solution to clean periodically If water is found to sur pass the following levels install a conditioner Hardness 50 ppm Silica 30 ppm 1 Clean 2 Remove an...

Page 26: ...is pensing Switch e Ice Dispensing Relay a Water Valve Dis pensing b Water Switch or Dispensing Switch a Shutter b Ice Switch and Dispensing Switch PROBLEM POSSIBLE CAUSE 1 Remove all ice from Storage...

Page 27: ...worn out 2 Fan Blade deformed 3 Fan Blade caught on foreign object 1 Bearings worn out or cylinder valve broken 2 Mounting pad out of posi tion 1 Rubbing or touching lines or other surfaces 1 Bearing...

Page 28: ...frigerant Access Valves one on the low side and one on the high side line Using proper refrigerant practices recover the refrigerant from these two Access Valves and store it in an approved container...

Page 29: ...nt Access Valves and disconnect the Hoses and Service Manifold 10 Cap the Access Valves to prevent a possible leak 2 BRAZING DANGER 1 Refrigerant R 404A itself is not flammable at atmospheric pressure...

Page 30: ...use the same lubricant 1 Turn off the power supply and unplug the dispenser 2 Remove the panels 3 Remove the Terminal Cover on the Compressor and disconnect the Compressor Wiring 4 Recover the refrig...

Page 31: ...ORTANT Always install a new Drier every time the sealed refrigeration system is opened Do not replace the Drier until after all other repair or replacement has been made 1 Turn off the power supply an...

Page 32: ...on Valve Cover and disconnect the Expansion Valve using brazing equipment 6 Braze the new Expansion Valve with nitrogen gas flowing at the pressure of 3 4 PSIG WARNING 1 Do not heat the wall Place a s...

Page 33: ...the dispenser 2 Remove the panels 3 Recover the refrigerant and store it in an approved container 4 Remove the Control Box Cover and disconnect the terminals 5 Remove the Pressure Switch using brazing...

Page 34: ...e valve outlet tubing by releasing the Clamp 6 Remove the Fitting Nut and the Water Valve 7 Install the new Water Valve 8 Assemble the removed parts in the reverse order of which they were removed 9 O...

Page 35: ...e the Water Supply Line Shut off Valve 3 Remove the Drain Cap and drain out 4 Remove the panels 5 Cut the Float Switch leads at the wire connectors 6 Turn and unfasten the flanged top and remove the F...

Page 36: ...emove the Bin Control Switch 5 Remove the Snap Pin and E ring and disassemble the Balance Plate A Balance Plate B and Shaft 6 Rotate the Inside Cover counterclockwise and remove 7 Assemble the removed...

Page 37: ...Remove the panels 6 Remove the Storage Bin Cover 7 Remove the Agitator Drip Ring Drip Plate and Shutter Assembly 8 Remove the three Socket Head Cap Screws and lift off the Storage Bin Assembly 9 Insta...

Page 38: ...lug the dispenser 4 Remove the Top Panel 5 Remove the Storage Bin Cover 6 Rotate the Agitator counterclockwise and lift off 7 Rotate the Drip Ring about 30 degrees clockwise and lift off 8 Install the...

Page 39: ...ad if it is worn or scratched Note Replacing the Bearing requires a fitting tool If one is not available replace the whole Extruding Head AUGER 9 Lift up and turn the Auger until it comes off If the a...

Page 40: ...bottom of the Evaporator 19 Disconnect the Hose from the Evaporator 20 Lift off the Evaporator HOUSING AND MECHANICAL SEAL 21 Remove the four Hexagon Bolts securing the Housing to the Gear Motor 22 Re...

Page 41: ...reful not to scratch the surface of the O ring or it may cause water leaks Handle the Mechanical Seal with care not to scratch nor to contaminate its contact surface 29 Check for water leaks WARNING A...

Page 42: ...and remove the ice from the Storage Bin The Storage Bin should be cleaned and dried Drain the ice dispenser to prevent damage to the water supply line at sub freezing temperatures using air or carbon...

Page 43: ...the ON position and unplug the ice dispenser IMPORTANT Before operating the dispenser next time check that the Drain Valve is closed and open the Water Supply Line Shut off Valve Note When shutting o...

Page 44: ...kin a CLEANING PROCEDURE 1 Close the Water Supply Line Shut off Valve 2 Dilute approximately 6 fl oz of the recommended cleaner Hoshizaki Scale Away or LIME A WAY Economics Laboratory Inc with 1 gal o...

Page 45: ...45 Fig 6 Fig 5 Middle Front Panel Thumbscrew Spout A Spout B A2AAA0269806...

Page 46: ...ng in the center of the Storage Bin to melt the ice and rinse out the cleaning solution 16 After water has drained out of Drain Pan turn Power Switch to the OFF position 17 Wipe the Storage Bin Cover...

Page 47: ...Switch on the Storage Bin Cover 7 Immerse the parts rinsed in a step 18 in the sanitizing solution 8 Rinse the sanitized parts with water 9 Place the rinsed parts in position A2AAA0269806 10 Move the...

Page 48: ...ipe off oil or dirt build up 2 Air Filter See Fig 7 A plastic mesh air filter removes dirt or dust from the air and keeps the Condenser from getting clogged As the filter gets clogged the ice dispense...

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