Service Manual 07/05/2006
Contents
1. 1 Lights when switch is first turned on then cycles with thermostat If light does not light check continuity of pilot light switch and thermostat THERMOSTAT 350620 FIGURE 2 1 Thermostat should remain closed until a temperature of 360 F 182 C is attained on the heater plate Temperature is measured on the top of food tray 350642 Figure 1 at a point 2 5 8 from front and right edges HEATER PLATE 350727 Figure 3 1 Heater plate draws approximately 12 5 amps 2 If heating is not evident a continuity check should be made at heater terminals 3 If heater plate is not defective approximately 9 1 2 ohms should be measured If approximately 9 1 2 ohms is not measured or if heater plate is open or shorted replace element THERMAL CUTOFF WIRE HARNESS 350703 FIGURE 2 1 This harness contains a thermo link to protect unit from overheating if thermostat would fail in closed position The thermo link will open when the ambient temperature inside cabinet reaches approximately 468 F 242 C It will be necessary to replace entire wire harness assembly Do not jumper the thermal cut off except for test as this will be in violation of UL CSA and warranty For lead determination refer to schematic Page 12 POWER CORD 350725 FIGURE 2 1 This cord is equipped with a 120 VAC grounded plug 2 The lead determination for connection within unit are shown on the schematic Page 12 WIRE HARNESS 350704 FIGURE 2 1 This2. Place baffle plate 350566 chamfered holes down across studs of food tray casting Apply a 1 16 bead of RTV half way between holes and edge of plate Invert baffle plate now chamfered holes up and place over studs on food tray casting Place heater plate 350727 terminals down across studs of food tray casting Apply a 1 16 bead of RTV on flat surface between holes and edge of plate Be sure there is no RTV in or close to the 4 Steam grooves Invert heater plate terminals up and place over studs Insert spray nozzle 350593 and nozzle locknut 350594 Turn locknut a partial turn then apply loctite sealant 350648 around threads and complete tightening Be sure spray nozzle is clean 6 Ceo Um 2 lt Place heater cover plate open nozzle pointing down over studs and apply 1 16 bead of RTV between holes and edge EXCEPT on the side where the spray nozzle is located On this side a bead should be applied on the inside between the holes and the inside edge of the flat Insert screw 350626 as shown figure 8 and invert heater plate cover placing over studs The heater plate terminals and spray nozzle are on the same side Tap each corner firmly with a rubber mallet to set plates and spread RTV Place one drop of RTV next to each bolt Install washers 350572 and nuts 350573 and tighten nuts As follows The 14 nuts 350573 must be tightened and torqued to 110 Ibs to 125 16 max and torqued in the followin
3. INFORMATION FRESH O MATIC 4000 4 PURPOSE AND PRINCIPLE OF OPERATION Used to reheat and freshen rolls or baked goods reheat pre cooked meats vegetables and whole meal dishes Principle of operation is simple A water tank stores distilled water the pump forces distilled water into a heater plate assembly producing super heated steam Steam enters the food chamber thru 32 vent holes producing a steam environment providing freshening and heating WARRANTY DETERMINATION PE LIMITED WARRANTY page 2 Warranty period is one year from date of original purchase or is limited to 15 months from the date of manufacture 2 Have vent holes in the food tray casting been kept clean 3 Inquire as to what type of distilled water is being used A negative answer to 1 2 or 3 is justification for voiding warranty Customer must be advised and repair cost determination made before proceeding with repair If the unit qualifies for in warranty repairs proceed with standard in warranty procedure TECHNICIAL SPECIFICATIONS 1 120 50 60 HZ Single 1500 watts 12 5 AMPS 2 Thermostat setting 360 F or 182 C as measured at a point on top of the food tray 2 5 8 from right side and right front Red pilot light indicates thermostat operation off indicates unit up to temperature OPERATION SPECIFICATIONS 1 Preheat time approximately 15 minutes or until red light goes out Unit will operate satisfactorily with voltage supply
4. has been subject to normal and proper use INCLUDING THE USE OF DISTILLED WATER This warranty does not apply if the Fresh O Matic is transported outside of the United States or if the Fresh O Matic or any part thereof is subjected to accident casualty misuse or abuse of is the date of manufacture is altered or removed The obligation of Lincoln Foodservice Products Inc is limited to the repair or replacement of defective original parts and except as expressly stated herein LINCOLN FOODSERVICE PRODUCTS INC MAKES NO GUARANTEE OR WARRANTY EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION WARRANTIES OF FITNESS OR MERCHANTABILITY wit respect to Fresh O Matic or parts thereof and Lincoln Foodservice Products Inc has no other liability with respect thereto including without limitation liability for indirect special consequential or resultant damages TABLE OF CONTENTS LIMITED WARRANTY 2 GENERAL INFORMATION 3 ELECTRICAL SERVICE PROCEDURES 4 MECHANICAL SERVICE PROCEDURES 5 9 SERVICE NOTES FALSE UE deta weds 10 PARTS EIST Fx oux I E CENE ME RAUM 11 SCHEMATIC 5 anna sanati na nau cn SR 12 2 Fresh O Matic 4000 Series Service Manual GENERAL
5. pad 4 3 4 350514 Nut SS 8 32 3 2 10 350603 Front Panel 1 1 3 350515 Lockwasher ss 8 2 8 10 350605 Pilot Light 125 volt red 1 2 350521 Fiberglass Sleeving 1 2 350620 Thermostat 1 2 350522 ScrewRHM ZN 6 32x3 8 1 2 350621 Thermostat bulb clamp 1 2 7 8 350523 Hex nut ST 6 32 1 2 350622 Screw RHMSS 6 32 3 16 4 2 350524 Lockwasher ZN 6 3 2 350626 Screw RHMSS 8 32x1 2 1 7 8 350531 Screw RHTSS 8x3 8 8 4 350627 Cover Assy Complete 1 1 3 10 350538 Shelf Seal 1 3 350628 Cover Liner 1 10 350543 Screw 8 32x7 8 4 3 350629 Liner Support 1 10 350545 Hinge Pin 1 3 350630 Cover Handle 1 4 10 350547 Screw PHMSS 8 32x3 8 4 350631 Case Assembly 1 2 3 350551 Walter Tank Cover 1 2 6 350632 Support Assembly 1 350552 Screw RHTSS 4x3 8 2 6 350635 Shelf 1 350553 Walter Tank Seal 1 6 350636 Shelf Screw 6x1 4 3 3 350554 Rubber Grommet 1 6 350637 Hinge End 2 3 350555 Washer Flat ZN 5 16 2 3 350638 Side Handle 2 1 350557 Drain Plug 1 4 6 350639 Bakelite Grommet 1 2 350558 Plug Gasket 1 6 350640 Tank Assembly 1 3 6 350559 Filler Tube Glass 1 6 350641 Filler Tube Stop 1 4 350560 Fillerube Gasket BTM 350642 Food Tray W 14 Studs 1 1 7 8 350561 Filler Tube Gasket Top 1 2 6 350644 Pump Lever w Handle 1 3 4 350562 Filler Tube Nut 1 6 350645 Pump Lever Bracket 1 3 350563 Filler Tube amp Cap 1 3 350646 Compression Nut BR 1 9 350566 Baffle Plate 1 7 8 350647 Compression Sleeve 14 1 9 350568 Stainless Steel Ball 4 7 8 350701 Spe
6. 4 1 3 592 31 50cc 350598 Food tray liner 1 3 350716 _ RTV Sealant 106 Fresh O Matic 4000 Series Service Manual 11 WIRING SCHEMATIC MODEL 4000 4 HEATER PLATE LAMP SWITCH THERMOSTAT THERMAL LINK FORT WAYNE INDIANA MODELS 4000 4 120V EOHZ MODELS 4000 M 120V 60HZ MODELS 4002 240V SOHZ 1500 WATT 12 Fresh O Matic 4000 Series Service Manual
7. ER PUMP CAPSCREW Figure 5 TO REPLACE FILLER GLASS 350599 FIGURE 6 1 Unscrew filler tube nut 350562 and remove all glass 2 Insert new glass being sure top and bottom 350561 TOP FILLER TUBE GASKET filler tube gaskets 350561 amp 350560 are good 350562 FILLER TUBE NUT and sealing properly E 850559 PYREX FILLER GLASS 4 350560 BOTTOM FILLER TUBE GASKET 3 Replace filler tube nut 350557 DRAIN PLUG SECTION A A 350554 RUBBER GROMMET WATER TANK COVER 350551 WATER TANK COVER 960583 RUBBER U SEAL WATER TANK 2 LE CEA 380552 SCREW Nep zara 350640 WATER TANK ASSEMBLY 350589 WATER PUMP SCREEN 360596 BRASS ELBOW ONE ii X B S Fresh O Matic 4000 Series Service Manual NOTICE We do not under in warranty repair of the 4000 fresh o matic honor the complete replacement of a heater plate assembly Normally many of these parts are salvageable HEATER PLATE ASSEMBLY INSTRUCTIONS FIGURES 7 amp 8 ALL SURFACES MUST BE CLEAN DRY AND BONDED TOGETHER WITH 350716 FOLLOWING INSTRUCTIONS ALWAYS REPLACE ALL STUDS 1 2 3 4 Remove studs from food tray casting 350642 by knocking out from bottom and reinsert new studs 350571 Be sure top of stud is flush with the top surface of the food tray casting Place food tray casting 350642 on work table with studs up Insert 4 steel balls 350568 in proper holes
8. RAY NOZZLE 350593 FIGURE 3 1 Remove front panel as indicated on page 4 2 Remove spray nozzle locknut 350594 and then with pliers remove nozzle 350593 TO CLEAN SPRAY NOZZLE 350593 FIGURE 3 The spray nozzle may be cleaned and serviced from the front of the unit by removing front panel Loosen water tube nut 350597 remove spray nozzle locknut 350594 and remove spray nozzle 350593 It may be necessary to use pliers to remove spray nozzle If difficulty is experienced removing spray nozzle locknut heat the plate around the nut with a torch 350627 COVER ASSEMBLY COMPLETE 350598 FOOD TRAY LINER 380638 RUBBER SEAL FOR SHELF 350545 HINGE PIN 360637 HINGE END 9350543 A 350571 SPECIAL BOLT FOR 5 CASTING ASSEMBLY 350572 FLAT WASHER FOR CASTING BOLTS 350573 HEX NUTS FOR CASTING BOLTS Tate d 350592 COTTER PIN ASSEMBLY 380644 T pa s 380691 PUMP LEVER PIN SPRAY NOZZLE 350645 LEVER BRACKET 360570 SUPPORT STUD FRONT PANEL 280003 3508640 WATER TANK ASSEMBLY 350632 SUPPORT ASSEMBLY WATER TUBE 350595 ue FOOT PAD A HEX NUT 350574 350572 WASHER LOCKWASHER 350575 Fresh O Matic 4000 Series Service Manual TO REPLACE HEATER PLATE ASSEMBLY 350729 FIGURE 3 1 If necessary replace rubber shelf seal 350538 2 Place heater plate assembly into shelf 350635 with element terminals facing the fil
9. SERVICE MANUAL FOR FRESH O MATIC 4000 g Lincoln Lincoln Foodservice Products LLC 1111 North Hadley Road Fort Wayne Indiana 46804 United States of America Phone 800 374 3004 U S Fax 888 790 8193 Int l Fax 260 436 0735 Technical Service Hot Line 800 678 9511 www lincolnfp com 4000SeriesService REV 7 5 06 LIMITED WARRANTY Lincoln Foodservice Products Inc warrants to the original purchaser for the use of each new Fresh O Matic 4000 manufactured by Lincoln Foodservice Products Inc as follows any original part which proves to be defective in material or workmanship within the warranty period will subject to the terms of this warranty be repaired or replaced with a new or remanufactured part whichever Lincoln Foodservice Products Inc elects free of charge provided that in the event of any such defects the Fresh O Matic shall be returned within the warranty period to the nearest Authorized Service Agency transportation prepaid If found to contain defective original parts within the limits of this warranty such parts will be replaced as provided in this warranty and the Fresh O Matic will be returned transportation prepaid The warranty period shall be a period of one year from the date of original purchase for use or shall be limited to the fifteen month period from the date of manufacture This warranty applies only to original parts and only where the Fresh O Matic
10. ated steam but comes out very moist First check if unit is at proper temperature Depress pump handle injecting water into unit If you hear a steady frying sound like water sizzling when dropped into a hot skillet lasting as much as 15 seconds or longer boil out unit as follows 1 Pump water into unit until water rises and covers the food tray approximately 1 4 deep 2 Place cloth over top of food tray for your protection or close lid until unit is done steaming 3 Letunit operate until all water has steamed away This will assist in boiling away any film on heater plate allowing proper operation of unit A heater plate operating properly will produce a hiss as steam is forced thru the plates lasting about 5 seconds gd 350515 LOCKWASHER Ate 350597 WATER TUBE NUT 350514 HEX NUT 350620 LINER SUPPORT COMPRESSION NUT 350646 3 a 350628 COVER LINER COMPRESSION SLEEVE 350647 350630 HANDLE 350595 TUBE COMPLETE 350627 ASSEMBLY COMPLETE Figure 9 Figure 10 Lock Nut 350740 350741 Screw j f 350630 Cover Handle 350628 350739 Captive Retainer 350740 Liner 350737 Captive Receptacle Lock Nut 350738 350736 Captive Screw Left Hinge 10 Fresh O Matic 4000 Series Service Manual Part No Description Qty Fig Part No Description Qty Fig 350503 Strain Relief Bushing 1 2 350602 Foot
11. ed Nut 4 Stud 2 1 350570 Support Stud 4 3 7 8 350703 Wiring Harness wlThermal 1 2 Cut Off 350571 Food Tray Studs 14 3 7 8 350704 Wiring Harness 1 2 350572 Flat Washer AL5 16 18 16 3 78 350705 On off switch 1 1 2 350573 Hex Nut AL 5 16 18 16 3 78 350710 Pump Assembly 1 5 350574 Nut SS 4 20 4 3 4 350713 Nameplate 1 1 350575 Lockwasher SS IN 1 4 4 3 4 350714 Ring Tongue Terminal 4 2 350576 Pump Body Assembly 1 5 350725 Power Cord 1 2 350577 PumpPlunger amp Stem 1 5 350728 Heater plate cover 1 7 8 Assy 350578 Pumpspacer amp valve Assy 1 5 350729 Heater plate assy complete 1 350579 Pump 1 5 350730 NS Heater plate 240v 350580 Pump spring 1 5 350732 NS Heater plate assy 240v 350581 Roll pin 1 5 350582 Pump tube 1 5 NOT SHOWN 350583 Pump adapter plate 1 5 350734 Pin vise bit 5 350584 Pump retainer ring 1 5 350735 Cover assy NS BLACK 1 350585 Pump bottom cap 1 5 350736 Hinge Q D leaf 2 350586 Pump cap screw 4 5 350737 Receptacle captive FOM 4 350587 Ring 1 5 350738 Screw captive FOM 4 350588 Ring 1 5 350739 Retainer captive FOM 4 350589 screen 1 6 350591 Pump lever pin 1 3 350592 Cotter pin 1 16x1 2 1 3 350593 Spray nozzle assy 1 3 7 8 350731 Sealant RTV 3140 Clear 350594 Spray nozzle locknut 1 3 7 8 350599 Compound 111 350595 Water tube assembly 1 3 7 8 Dow corning 350596 Brass elbow OD 1 6 350648 Loctite sealant 350597 Water tube nut BR 1
12. g sequence Snug all 14 nuts Torque center nut on longest side and its opposite Torque one of center nuts on end and its opposite Torque both remaining center nuts on side and their opposites Torque other center nuts on end and its opposite Torque all 4 corner nuts Repeat torque procedure once more Fresh O Matic 4000 Series Service Manual NOTE FOOD TRAY BAFFLE PLATE HEATER PLATE AND COVER PLATE TO BE BONDED TOGETHER WITH A THIN 1 16 INCH BEAD OF 350716 RED R T V 350729 HEATER PLATE ASSEMBLY COMPLETE 350571 SPECIAL STUDS THERMOSTAT lt FORCASTING SENSING BULB ASSEMBLY FOOD TRAY WITH 14 STUDS 350642 BAFFLE PLATE BEFORE INSERTING We gt gt 350566 SUPPORT STUD N TA IN HEATERPLATE ff THERMOSTAT 350727 BULB CLAMP WATERTUBE HEATERPLATE 350621 350595 COVER SPRAY NOZZLE 350728 350593 FLAT WASHER NOZZLE LOCKNUT 350572 350594 FOR CASTING STUDS Figure 7 350573 STEEL BALL 350568 4 350727 35088 HEATER PLATE 1 THERMOSTAT BULB CLAMP s z WASHER 350572 14 9 HEXNUT 350573 14 ASSEMBLY 350515 350593 NOZZLE ga LOCKNUT 350014 350594 35088 LOCKWASHER SPRAY NOZZLE 7 SUPPORT STUD 350570 4 Figure 8 Fresh O Matic 4000 Series Service Manual 9 SERVICE NOTES In some cases on a repaired unit the water when pumped into the unit does not immediately turn into dry super he
13. harness connects switch amp thermostat TO REMOVE FRONT PANEL 350603 FIGURE 2 1 Remove cover assembly 350627 by removing hinge pin 350545 Figure 3 by compressing spring loaded pins in hinges new style 2 Lay back and remove 2 screws 350531 on bottom front figure 4 and slide out panel TO REMOVE HEATER PLATE ASSEMBLY 350729 FIGURES 3 amp 7 1 Remove front panel as above 2 Remove electrical leads from heater plate Figure 2 3 Loosen nuts from water tube and remove Figure 9 remove screw from filler tube stop and loosen filler tube nut 4 Loosen hinge screws 350543 Removal not necessary Unit upright not needed for new style hinges Remove shelf screws 350636 Figure 3 Remove hex nuts 4 350574 from support studs bottom of unit figure 3 Unit on back Lift heater plate assembly up enough to loosen thermostat bulb clamp 350621 and remove thermostat bulb 8 Heater plate assembly may now be lifted up and out unit upright noo 4 Fresh O Matic 4000 Series Service Manual WIRING DIAGRAM MODEL 4004 4 POWER CORD 350725 a UT 350514 LOCKWASHER 350815 BULB CLAMP 350621 FIBERGLASS SLEEVING 350521 SU LOCKWASHER 350524 WIRING HARNESS 350704 1 4 2 d eee LIVE GROMMET THERMOST dr Ue FOR PUMP HANDLE ON OFF SWITCH 350705 RING TONGUE TERMINAL 350714 350703 WIRING HARNESS 450005 PILOT LIGHT Fiaura 2 TO REMOVE SP
14. ler tube hole 3 Replace support studs 350570 into heater plate assembly apply RTV to threads of stud and tighten 4 Place heater plate assembly and shelf on top of unit and slide thermostat bulb under clamp and tighten 5 Insert heater plate assembly into top opening element terminals facing front and insert 4 support studs into holes on bottom of unit Align filler tube and tighten filler tube nut and replace filler tube stop screw 6 Tighten hinge screws and replace shelf screws 7 Replace washers and nuts on support studs replace wires to heater terminals and replace water tube TO REMOVE WATER PUMP FIGURE 5 1 Remove front panel and water tube 2 Remove four screws 350586 from water pump cap 350585 3 Pump can now be pulled out of the bottom of the unit 4 Install in reverse order Be sure to engage the pump with the pump lever COVER HANDLE PUMP LEVER W HANDLE 350630 350644 xm FOOT PAD DRAIN PLUG 350557 HEX NUT 350574 LOCKWASHER 350575 Figure 4 6 Fresh O Matic 4000 Series Service Manual 350710 PUMP ASSEMBLY COMPLETE 350579 WATER PUMP CAP 350581 PIN 350580 SPRING 350577 PLUNGER AND STEM ASSEMBLY HOLE IN BODY AND 350582 WATER PUMP SPACER MUST BE IN LINE TUBE CAP 350576 BODY ASSEMBLY 350583 WATER PUMP ADAPTER PLATE 350587 O RING 350584 RETAINER RING 350588 0 RING SPACER _ 350585 WATER PUMP a 350586 WAT
15. of 120 1096 VAC a Higher voltages may reduce heater plate life b Lower voltages decrease efficiency resulting in slower operating times 2 Water injected per pump stroke is approximately 10 1 3 oz 3 Outlets must be grounded 4 DISTILLED WATER MUST BE USED Fresh O Matic 4000 Series Service Manual DIMENSIONAL SPECIFICATIONS 1 Water tank capacity approximately 160 oz 5 qt 4 8 liter Overall dimensions 11 1 2 high x 15 5 8 wide x 15 7 8 deep Overall height with cover open 23 Cord length 5 1 2 ft Carton size 18 3 4 x 18 3 4 x 17 Cube approximately 3 1 2 cu ft Gross shipping weight 39 Ibs Net weight 35 16 SERVICE CHECK OUT STARTUP 1 Fill water tank with approximately 1 qt DISTILLED WATER 2 Plug unit into 120 VAC grounded outlet and turn on switch 3 Wait approximately 15 minutes for preheat or until red light goes out 4 Push pump handle 5 Ifthe steam is not proper see Service notes on page 10 COVER ASSEMBLY QUE ON OFF SWITCH 350705 FRONT PANEL 350603 ELECTRICAL SERVICE PROCEDURES USE EXTREME CAUTION WHEN SERVICING LIVE APPLIANCES BE SURE APPLIANCE IS PROPERLY GROUNDED ON OFF SWITCH 350705 FIGURES 1 amp 2 1 Switch on provides power to heater plate thru thermostat If switch is on and no heat from heater plate check switch thermostat thermal cut off and heater plate for continuity PILOT LIGHT 350605 FIGURES 1 amp 2
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