Moyer Diebel MH-60M5 Technical Manual Download

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P. O. Box 4183
Winston-Salem, North Carolina 27115-4183
336/661-1992

Fax: 336/661-1660

Moyer Diebel

Model

MH-60M5
High Temperature
with Built-in Booster

MH-6NM5
High Temperature

MH-6LM5
Low Temperature

Machine Serial No.

March, 2004

Technical Manual

Door-Type
Dishwasher

Manual

P/N

113494

Rev E

2674 N. Service Road
Jordan Station, Ontario, Canada L0R 1S0
905/562-4195

Fax: 905/562-4618

For machines beginning with
serial no. D3694 and above

Summary of Contents for MH-60M5

Page 1: ...Temperature with Built in Booster MH 6NM5 High Temperature MH 6LM5 Low Temperature Machine Serial No March 2004 Technical Manual Door Type Dishwasher Manual P N 113494 Rev E 2674 N Service Road Jordan...

Page 2: ...e and Phase Moyer Diebel Parts Distributor Phone if applicable Moyer Diebel Service Agency Phone Moyer Diebel Service Moyer Diebel US Phone 1 336 661 1992 1 800 228 8350 Fax 1 336 661 1660 Note When c...

Page 3: ...02 53 56 D3700 Inserted new bushing P N 100171 10 24 02 63 D3858 Inserted new timer board for MH 60 and MH 6N P N 113547 12 18 02 63 D3858 Inserted new timer control board kit P N 900911 to convert a...

Page 4: ...2 CLEANING 23 Cleaning Schedule 23 Deliming Process 24 TROUBLESHOOTING 25 BASIC SERVICE 27 REPLACEMENT PARTS 33 ELECTRICAL SCHEMATICS 67 LIST OF FIGURES Figure 1 Remove Front Panel 8 Figure 2 Electric...

Page 5: ...Assembly 40 Figure 23B Corner Track Assembly 40 Figure 24 Wash Rinse Spray Piping 42 Figure 25 Wash Rinse Spray Arms 44 Figure 26 Drain Assembly and Scrap Screens 46 Figure 27 Wash Tank Heat and Therm...

Page 6: ...iv THIS PAGE INTENTIONALLY LEFT BLANK...

Page 7: ...Adjustment of thermostats e Adjustment of clutches f Opening or closing of utility supply valves or switching of electrical supply current g Adjustments to chemical dispensing equipment h Cleaning of...

Page 8: ...THIS PAGE INTENTIONALLY LEFT BLANK vi...

Page 9: ...All information illustrations and specifications contained in this manual are based upon the latest product information available at the time of publication Moyer Diebel constantly improves its produ...

Page 10: ...kit Electric tank heat Balanced two door lift system Low water tank heat protection 1 hp drip proof pump motor Door safety switch Options MH 60 only Electric booster 70 F 39 C temperature rise heater...

Page 11: ...mps 45 Amps MH 60 480 60 3 70 F 39 C 29 Amps 35 Amps 35 Amps MH 60 575 60 3 70 F 39 C 25 Amps 30 Amps 30 Amps Electrical Power Requirements Fig Steam or Gas Heat Steam or Gas Booster Model Voltage Boo...

Page 12: ...Level the machine if required by placing a level on the top of the machine and adjusting the feet Level the machine front to back and side to side 4 Remove the dishracks from the interior of the mach...

Page 13: ...qualified electrician must compare the electrical power supply with the machine electrical specifications before connecting to the incoming service through a fused disconnect switch Refer to Fig 2 2...

Page 14: ...upport Swing the hinged control panel forward Refer to Fig 4 4 Three phase or single phase incoming power wiring connections are made at the bottom of the machine s main terminal block The main termin...

Page 15: ...T The connection is made from underneath the dishwasher The following minimum water temperatures are recommended MH 60 with built in 40 rise electric booster Minimum 140 F 60 C Min Max flow pressure 2...

Page 16: ...Hose Connection 1 1 2 O D Max flow rate 15 gal min 56 8 liters min Drain Connections Refer to Fig 9 1 MH series models are GRAVITY DRAIN machines equipped with a 1 1 2 O D hose connection point 2 The...

Page 17: ...ated below the control panel fuse block Refer to Fig 9 3 The detergent signal is limited to a maximum load of 1 Amp Signal voltage is 115VAC 4 The Rinse aid Sanitizer signal is limited to a max imum l...

Page 18: ...oint is provided in the final rinse manifold Models MH 60 and MH 6N do not require sanitizer 9 Use a sodium hypochlorite Chlorine based sanitizer at a minimum concentration of 50PPM in the final rinse...

Page 19: ...D Extended wash switch E Wash water temperature gauge F Final rinse pressure gauge INITIAL START UP Complete the installation After plumbing and electrical connections are made follow the steps below...

Page 20: ...rescrap the dishes Load ware into the dishrack Open the doors insert the rack into the dishwasher Note that the power indicator light is illuminated THE POWER SWITCH IS ON DURING INITIAL FILL Make sur...

Page 21: ...cycle will stop the dishwasher Closing the doors will resume the automatic cycle where it left off The cycle times are listed below Wash 48 seconds Dwell 4 second Final rinse 8 seconds Note that the...

Page 22: ...for MH 60 MH 6N is 180 195 F 82 91 C The MH 6L requires a minimum final rinse temperature of 120 F 49 C However a minimum final rinse temperature of 140 F 60 C is optimum for the MH 6L Check Final Rin...

Page 23: ...cle and finish with a final rinse Drain the dishwasher Make sure the dishwasher power switch is turned off Drain the dishwasher by pulling the handle of the drain overflow assembly straight up Rotate...

Page 24: ...eens and check the drain located in the bottom of the dishwasher wash tank Make sure that the building drain handles the water flow exiting the dishwasher Clean the interior of the wash tank of any fo...

Page 25: ...ower indicator light illuminates The wash tank heater and the booster tank heater begin to heat 2 The wash water temperature gauge should indicate a minimum of 150 F 66 C for MH 60 MH 6N and 120 F 60...

Page 26: ...ard water or multiple shift operations Cleaning Schedule Every 2 Hours or After Each Meal Period 1 Drain the dishwasher 2 Flush interior with fresh water 3 Clean scrap screens and pump intake screen 4...

Page 27: ...move all dishes from machine 2 Remove any chemical pick up tubes from their containers 3 Place each tube in a container of fresh water and prime the chemical lines for several minutes to thoroughly fl...

Page 28: ...is turned off Turn on house water supply Drain overflow assembly is not Place and seat drain overflow in place and seated Machine doors not fully closed Close doors securely Faulty fill valve Contact...

Page 29: ...ncoming water Check the booster MH60 MH6N temperature temperature be sure the thermostat is set to maintain180 F 82 C temperature MH6L check incoming water is set Min 120 F 49 C 140 F 60 C Check valve...

Page 30: ...sconnect the power at the main service disconnect switch and place a tag at the disconnect switch to indicate that work is being performed on the circuit Troubleshooting Schematics Moyer Diebel places...

Page 31: ...electrical overloads The overload disconnects 120VAC power to the motor contactor coil Refer to Fig 13 Note the Switch Lever on the Overload If the switch lever is off with the 0 showing then the ove...

Page 32: ...nded wash switch is taken off Machine will immediately enter rinse cycle if more than 49 sec onds has elapsed If less than 49 seconds has elapsed when the extended wash is ended then the machine will...

Page 33: ...uit board is receiving power as explained above then test the board inputs There are 4 board inputs Start Switch not used on this model Door Safety Switch Float Switch Extended Wash Switch if installe...

Page 34: ...heater T6 marked LAMP OUTPUT for the in cycle lamp indicator 4 Check the results on the voltmeter for the terminal you are testing For T3 the meter should read 120 VAC whenever the unit is in cycle an...

Page 35: ...l drops below the float level the float switch ball moves down heat de energizes The fill solenoid energizes and the fill cycle runs for a minimum of 110 seconds to refill the tank 4 If the tank is no...

Page 36: ...L2 1L3 1L1 1L2 1L3 1L1 1L2 1L1 1L2 1L3 1L1 1L2 1L3 1L1 1L2 1L3 Configuration A Booster tank element View of calrod coils Configuration B Booster tank element View of calrod coils Configuration C Boost...

Page 37: ...in electrical connection block For single phase machines motor rotation is changed at the motor connection plate on the rear of the single phase motor if necessary Refer to Fig 20 for the proper wirin...

Page 38: ...Remove the old seal and discard 13 Check seal seat in the pump flange and clean thoroughly 14 Press rubber seal ceramic portion of seal assembly into the pump flange Use a water soluble lubricant Be c...

Page 39: ...REPLACEMENT PARTS 31 REPLACEMENT PARTS...

Page 40: ...Figure 20 MH 60 6N 6L Doors and Panels REPLACEMENT PARTS 32 9 14 12 12 13 13 12 8 1 1 2 3 7 11 8 10 4 5 6 11 11 9 10...

Page 41: ...Out 1 4 321930 Panel Instrument 1 5 112389 Decal Control Panel 1 6 322074 Panel Front Lower 1 7 321941 LH Panel w Cut Out 1 8 108418 Plug Plastic 2 9 109034 Washer 13 16 x 1 13 16 Plastic 2 10 108417...

Page 42: ...Figure 21 MH 60 6N 6L Door Guides Stops and Lift Bracket REPLACEMENT PARTS 6 4 3 2 1 8 7 9 5 6 2 FRONT OF HOOD 10 11 12 13 14 12...

Page 43: ...10 3 327104 Bracket Door Lift 1 4 100007 Screw 10 32 x 3 8 Truss Head 4 5 327103 Door Lift Bracket 1 6 100097 Scew 10 32 x 1 2 Truss Head 2 7 108347 Guide Door 6 8 108410 Gasket Door Guide 26 12 9 10...

Page 44: ...oor Handle Spring Assembly and Safety Switch REPLACEMENT PARTS 36 1 2 2 3 28 30 29 30 3 4 5 6 6 7 7 9 9 8 8 5 1 10 10 14 15 16 17 18 18 19 20 21 20 22 23 13 10 14 13 10 11 11 11 11 12 12 24 25 25 26 2...

Page 45: ...Filister 6 12 107399 Support Pivot Block 2 13 108368 Gasket Backing 2 14 304811 Plate Backing 2 15 100740 Bolt 5 16 18 x 1 Hex Head 2 16 107966 Nut Grip 10 32 w Nylon Insert 8 17 322077 Guard Splash 2...

Page 46: ...re 23A MH 60 6N 6L Straight Track Assembly Figure 23B MH 60 6N 6L Corner Track Assembly REPLACEMENT PARTS 38 6 2 6 8 1 6 8 7 11 5 11 7 8 7 7 7 10 9 4 6 6 6 7 10 9 8 3 10 9 10 9 1 2 2 2 4 3 4 3 2 4 3 4...

Page 47: ...0309471 Track Front 1 6 106727 Screw 10 32 x 5 8 Flat Hd 6 7 107966 Nut Grip 10 32 w Nylon Insert 6 8 100073 Screw 1 4 20 x 1 2 Truss Hd 8 9 106482 Washer Lock 8 10 100003 Nut 1 4 20 Hex Hd 8 11 03094...

Page 48: ...Figure 24 MH 60 6N 6L Wash Rinse Spray Piping REPLACEMENT PARTS 40 FRONT LEFT SIDE 2 1 2 3 7 6 8 7 13 9 8 5 4 5 3 12 10 11 10...

Page 49: ...Rinse Arm 2 3 113028 Top Rinse Arm Connector 2 4 0507445 Spindle Wash Arm 2 5 109864 Support Wash Arm 2 6 109781 Standpipe Wash 1 7 100736 Bolt 1 4 20 x 3 4 Hex Head 2 8 107967 Nut Grip 1 4 20 3 9 109...

Page 50: ...Figure 25 MH 60 6N 6L Wash Rinse Spray Arms REPLACEMENT PARTS 42 2 2 4 1 3 3 6 5 7 8 4 3 3 AFTER S N D3858 PRIOR TO S N D3857...

Page 51: ...2 5 0507444 Nut Rinse Arm 2 6 109835 Screw 8 x 1 2 Pan Hd 4 7 0707452 SWash Arm Assy Includes 6 8 2 8 0507446 Bearing Wash Arm 2 9 0507451 Nozzle Rinse Arm SST Model MH 6L Only Prior to S N D3857 12 1...

Page 52: ...Figure 26 MH 60 6N 6L Drain Assembly and Scrap Screens REPLACEMENT PARTS 44 1 2 3 4 5 6 7 8 9 10 11 12 14 13 15 16 16...

Page 53: ...1 2 Truss Hd 2 5 322159 Retainer Overflow 1 6 321939 Filler Drain Plate Retained By Spring Clip 1 7 322120 Filler Drain Plate Retained By Stud and Nut Not Shown 1 8 100194 Nut Grip 10 32 SST 2 9 10014...

Page 54: ...Figure 27 MH 60 6N 6L Wash Tank Heat and Thermostats REPLACEMENT PARTS 46 Thermostat bracket detail 1 2 3 4 5 5 10 14 7 8 7 8 11 9 13 12 15 16 16 3 4 17 20 6 18 18 19...

Page 55: ...lit SST 4 8 100003 Nut Plain 1 4 20 SST 4 9 100740 Bolt 5 16 18 x 1 Hex Head 4 10 108345 Gasket 3 x 3 1 8 x 2 1 11 102376 Washer 5 16 x 3 4 x 1 16 8 12 106013 Washer Lock 5 16 Split 4 13 100154 Nut Pl...

Page 56: ...Figure 28 MH 60 Only Electric Booster and Thermostats REPLACEMENT PARTS 48 T O U P P E R P I P I N G F R O M F I L L V A L V E 5 3 4 6 7 8 9 10 11 12 1 1 2 2...

Page 57: ...5 109069 Thermostat Booster 1 6 100003 Nut Plain 1 4 20 SST 3 7 106482 Washer Lock 1 4 Split 3 8 111233 Heater 7 5KW 208 240 380 415V 40 Rise 1 3 Phase 1 108579 Heater 9KW 480V 40 Rise 3 Phase Only 1...

Page 58: ...Figure 29 MH 60 Only Lower Fill Piping Assembly REPLACEMENT PARTS 50 CUSTOMER WATER INLET TO UPPER PIPING 2 10 9 14 16 17 19 18 20 15 8 6 5 5 4 3 2 11 12 13 5 7 1 5 23...

Page 59: ...s 1 9 112437 Valve Needle 1 4 1 10 102392 Bushing Reducer 3 4 x 1 2 Brass 1 11 107419 Barb Hose 1 2 NPT x 1 2 Hose 1 12 105994 Clamp Hose 1 13 107417 Hose 1 2 I D 9ft 14 107065 Connector Male 1 4 O D...

Page 60: ...Figure 30 MH 60 6N Only Upper Fill Piping Assembly REPLACEMENT PARTS 52 10 11 WATER IN FROM LOWER PIPING 18 12 8 1 15 8 2 9 14 5 6 4 13 7 3 16 17 3...

Page 61: ...T Plastic 1 7 102444 Elbow Street 3 4 x 90 Brass 1 8 100184 Nipple Close 3 4 NPT Brass 2 9 104429 Vacuum Breaker 3 4 1 10 107419 Hose Barb 1 2 NPT 1 11 105994 Hose Clamp 1 12 0309426 Piping Support Br...

Page 62: ...Figure 31 MH 6N 6L Only Lower Fill Piping Assembly REPLACEMENT PARTS 54 6 5 4 2 1 3 CUSTOMER WATER IN 5 TO UPPER PIPING 7 10 13 11 8 9 12 14 16 17 18 15...

Page 63: ...3 4 NPT Brass 1 7 102392 Bushing Reducing 3 4 x 1 2 NPT Brass 1 8 107419 Hose Barb 1 2 NPT x 1 2 Hose 1 9 105994 Hose Clamp 1 10 102388 Bushing Reducing 1 2 x 1 4 NPT Brass 1 11 112437 Needle Valve 1...

Page 64: ...Figure 32 MH 6L Only Upper Fill Piping Assembly REPLACEMENT PARTS 56 10 11 WATER IN FROM LOWER PIPING 19 12 8 1 15 8 2 9 14 5 6 4 13 7 3 16 17 18 3...

Page 65: ...eet 3 4 x 90 Brass 1 8 100184 Nipple Close 3 4 Brass 2 9 104429 Vacuum Breaker 3 4 NPT 1 10 107419 Hose Barb 1 2 NPT x 1 2 Hose Brass 1 11 105994 Hose Clamp 1 12 0309426 Plumbing Support Bracket 1 13...

Page 66: ...Figure 33 MH 60 6N 6L Pump Assembly REPLACEMENT PARTS 58 1 2 3 7 4 6 5 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 25 28 27 29 30 31 32 26...

Page 67: ...19 111111 Pump Seal 1 20 109649 Flange Assembly 1HP 1 21 107690 Nut Jam 3 8 16 4 22 106407 Washer Lock 3 8 Split 4 23 109648 Backing Plate 1 24 109654 Pump Slinger Washer 1 25 110734 Stud 3 8 16 x 1...

Page 68: ...Figure 34 MH 60 6N 6L Control Panel and Gauges REPLACEMENT PARTS 60 WASH EXTENDED WASH CYCLE POWER OFF RINSE PRESSURE 1 4 5 7 6 8 9 2 3...

Page 69: ...ff 1 2 112390 Lite Red Power 1 3 112391 Lite Amber In Cycle 1 4 0501361 Switch Extended Wash 1 5 113622 Thermometer 4 Ft Gas Filled Replaces 108391 1 6 113662 Overlay Wash 150 F MH 60 6N 1 112093 Over...

Page 70: ...in Power Transformer mounted on machine base 208V 575V 1 or 3 phase REPLACEMENT PARTS 62 12 13 14 15 16 17 JB2 U1 L2 T10 T9 T8 T7 T1 T2 EXT WASH FLOAT SW FILL RINSE WASH HEATERS OUTPUT LAMP OUTPUT T5...

Page 71: ...ll Models 480V 3 Starter Mtr OL GV2 M08 w Aux 1 7 110805 1 4HP Wash All Models 380 415V 3 Starter Mtr OL GV2 M08 w Aux 1 7 112626 Overload Motor 1 4HP Wash All Models 575V 3 1 7 111632 Overload Motor...

Page 72: ...Figure 36 Dishracks and PRV REPLACEMENT PARTS 64 1 2 3...

Page 73: ...REPLACEMENT PARTS 65 DISHRACKS AND PRV Fig 36 Part Part Description Item No No Qty 1 101273 Rack Flat Bottom 1 2 101285 Rack Peg 1 3 112387 Line Strainer PRV Combo 1...

Page 74: ...THIS PAGE INTENTIONALLY LEFT BLANK 66...

Page 75: ...67 ELECTRICAL SCHEMATICS...

Page 76: ...RS CLOSED TANKS EMPTY POWER OFF DIAGRAM STATE END OF CYCLE LT1 6 DS1 1MTR 28 1M 27 29 28 27 ELECTRIC TANK HEAT IF USED FUH HC1 4 7KW FUH HC1 HC1 FUH BC1 BC1 ELECTRIC BOOSTER HEAT IF USED SEE NOTE 3B B...

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