S6161-KW-FSE-010/34931 0910-LP-327-9700
Contents
1. Elucirical Hacard LANG MANUFACTURING COMPANY MANUAL FOR MODEL ECO ELECTRIC CONVECTION OVENS ISSUE DATE JANUARY 2006 LANG MANUFACTURING COMPANY 6500 MERRILL CREEK PARKWAY EVERETT WA 98203 CONVECTION OVENS PER MIL 0 0043633 E MIL SPEC LANG MODEL NUMBER SPECIFIC NSN Type I Size 1 ECO 7 Type L Size 1 N S A ECO 7M 7310 01 290 0463 Type I Size 2 ECO 6 Type L Size 2 N S A ECO 6M 7310 01 314 7939 Type II Size 1 ECO 9 7310 01 230 0559 Type Il Size 1 N S A ECO 9M 7310 01 277 4105 Type II Size 2 ECO 8 Type Il Size 2 N S A ECO 8M 7310 01 227 8214 N S A for Naval Shipboard Application All components will fit through a 26 X 66 watertight door 10 LANG MILITARY Hatchable equipment CONVECTION OVENS Equipment easily passes through 26 x 66 watertight doorway No expensive huli cuts necessary Available In two 2 sizes Standard or Extra deep Heavy Duty Marine Door Latches Secure ail oven doors drip pans crumb trays and grease drawers Stainless Steel flatbar construction All Stainless Steel Construction inside and out More corrosion resistant than 430 stainless 12 and 16 gauge sheetmeta to withstand physical abuse in tight busy galleys Two speed motor and interior oven light Doubte pane windowed doors U L and N S F Listed Designed and manufactured to comply with military specifications MIL O 0043633E For both land pase and Naval Shipb2. Lang Mfg 32 Door Stop Assy Right Hand 50301 88 Everett WA 50301 88 33 Contactor Element 30700 03 Producers PEO 3400 SOUS 98CY Chicago IL Products Unlimited 34 Contactor 2 Speed Motor 30705 01 Chicago IL 3120 30K8198Q 35 Terminal Block 3 Pole 95 Amp 30500 09 40029 Seattle WA Lang Mfg 36 Rear Baffle Assembly ECO 351 Everett WA ECO 351 y Lang Mfg Knob Timer 70701 55 Everett WA 70701 55 VWR Scientific Lamp Lens 31604 01 Brisbane CA 66110 065 Atlas Supply Lamp Lens Gasket 31604 02 Seattle WA 31604 02 Lang Mfg Light Ring 50301 21 Everett WA 50301 21 Lang Mfg Wing Nut 20304 01 Everett WA 20304 01 y Lang Mfg Capillary Tube Holder ECO 276 Everett WA ECO 276 25 TOP DECK WIRING IDENTICAL A TO BOTTOM Es TIRE 4 DECK CIRCUIT BREAKERS W fo fur ad POWER L1 LEFT HEATING ELEMENT TERMINALS 1 REAR VIEW U U p RR d poon swiTCH FIGHT aspi ni g y a 12 py 53 ee pos A DECK TERMINAL BLOCK ET CIRCUIT BREAKERS 4 HEATER PILOT LAMP GROUND LUG ot mina HEATING ELEMENTS 28 2 WIRE us SING PHASE TW DOOR SWITCHES eee ONE OVEN LAMP 7 TOP DECK WIRING BOTTOM DECK TRANSFORME 43 HEATING ELEMENT TERMINALS REAK VIEW DOOR SWITCH q SWITCH RIGHT LI EB L2 a L3 a BOTTOM DECK TERMINAL BLZCK s
3. LIMIT THERMOSTAT p HEATING ELEMENTS D WIRE MUT RED HIGH SPEED T2 DoERP H aqo 1 T7ILEESON BLUE LOW SPEED TA MERA 7 Bat TA caesos BLACK CoMMoN 2 A Baoe P1 Leeson REGULATIA C THERMOSTAT POOR WUTUHE TWO SPEED MOTOR 440v 480v ONE IVEN LAMP
4. IN FRONT OF EQUIPMENT CLEAN AND DRY IF SPILLS OCCUR CLEAN IMMEDIATELY TO AVOID THE DANGER OF SLIPS OR FALLS OPERATING INSTRUCTIONS Each oven has the following controls Vent Timer Temperature Power Switch Light Switch and Motor Speed Switch Vent Pull to Open Push to close Timer Adjust to desired setting Temperature Turn to desired cooking temperature Power Switch Pull up to turn oven ON push down to turn oven OFF Light Switch Pull up to turn oven light ON release and oven light goes out automatically Motor Speed Switch Pull up for High Speed push down for low speed INITIAL START UP Set oven s at 350 and allow oven to operate empty for 3 hours After this time the oven is ready for use NORMAL OPERATION Turn the Power Switch On turn to the desired temperature and select motor speed Hi or Low MAINTENANCE Wash the stainless interior amp exterior often with a solution of hot water and detergent to prevent grease build up and preserve the oven s appearance Wipe up spillage as soon as possible Never use scouring powder It is difficult to remove completely and a residue build up can damage the oven The oven racks slides and stainless steel oven liners are removable for easier cleaning of the oven interior 18 CE AND TROUBLESHOOTING KEEP WATER AND SOLUTIONS OUT OF CONTROLS NEVER SPRAY OR HOSE CONTROL CONSOLE ELECTRICAL CONNECTIONS Elucirical Hazard CAUTION MOS
5. each wire was on and attach the wires to the same terminal on the new thermostat Remove the screws holding the old thermostat to the front of the control panel Discard old thermostat Mount the new thermostat to the control panel carefully feed the sensing bulb through the oven wall and reattach the sensing bulb to the oven side using the retaining clips removed earlier Close control compartment Restore power to oven Refer to the Performance and Inspection section to verify proper operation of the new thermostat 20 ROUBLESHOOTING CONTE MAINTENANCE A ROUBLESHOOTING CONTE ELEMENT REPLACEMENT The element is located inside the oven cavity To replace the element remove the baffle at the back of the oven This will expose the elements to plain view and allow easy access Remove the element mounting screws located near the top of the oven Gently pull the element into the oven cavity There is enough wire connected to the element to allow easy access to the terminals located behind the element mounting plate Move each wore from the existing terminal to the corresponding terminal on the new element DO NOT mix up these wires After all wires are transferred to the new element feed the wire back through the access hole in the back of the oven and attach the element to the oven wall with the screws removed earlier Replace the baffle Refer to the Initial Start up section to restore the oven to proper operation CONTACTOR RELA
6. 8 C 5327 7310 01 277 4105 97 430280144 DLA400 89 C 0442 7310 01 290 0463 13 430280147 DLA400 91 M 5159 7310 01 314 7939 5 430280155 REMARKS DATE JANUARY 2006 CERTIFICATION IT IS HEREBY CERTIFIED THAT THE TECHNICAL MANUAL PROVIDED UNDER CONTRACT NUMBER DLA400 91 M 5159 FOR LANG ECO 6M ECO 7M ECO 8M amp ECO 9M HAS BEEN APPROVED BY THE APPROVAL DATA SHOWN ABOVE DIRECTOR GOV T CONTRACTS LANG MANUFACTURING COMPANY FSCM CAGE 34931 CHANGE RECORD Change no Date Title and or Brief Description Signature of Validating Officer TABLE OF CONTEI CHAPTER PAGE 1 5 6 nth Rer REN eer t eee 6 2 EIST OF IEEUSTRATIONS ised eene tees 7 3 REAP FIRST n ote m m ERROR RE 8 4 SPECIFICATIONS hene 11 5 EQUIPMENT DESCRIPTION a nana d ngapaa en aaa ndasa na naga 14 INSTALLATION reat a ae RE 16 7 nir na ak samy aga pet coed thas Enn ROI 18 8 MAINTENANCE amp TROUBLESHOOTING PROCEDURES 19 92 PARIS LIST I cnet reU REPERI EFE ie 24 10 WIRING DIAGRAMS 26 LIST OF ILLUSTRATK FIGURE TITLE OF ILLUSTRATION PAGE 1 Picture of Oven 11 1 Specifications 12 amp 13 2 Leg Installation 17 3 Stacking Instructions 17 4 Exploded View 29 3 Wiring Diagram 208 240 VAC 26 6 Wiring Diagram 440 VAC 27 IMPORTANT READ FIRST CAUTION CAUTION CAUTION N
7. C Boston MA 19 Transformer 480 240 VAC 31400 04 Argo International 555 109T00 New York NY 20 Timer Mechanical 30801 03 M H Rhodes 22007 Chicago IL 21 Knob Thermostat 70701 19 Lang Mfg 70701 19 Everett WA Carlingswitch Inc 20 Switch Toggle 30303 06 Plainsville 2GL231 78 XLN2 Carlingswitch Inc 23 Switch Toggle 30303 06 Plainsville CT 2GL231 78 XLN2 24 Pilot Light 250 VAC 31601 01 mod Tales 10422250012221 Chicago IL 25 Switch Toggle 30303 06 Carlingswiteh Hio 7291 Plainsville CT 24 Lang Mfg 26 S S Liner Top ECO 6M amp ECO 8M ECO 750 Everett WA ECO 750 Lang Mfg S S Liner Top ECO 7M amp ECO 9M ECO 751 Everett WA ECO 751 S S Liner Bottom ECO 6M amp Lang Mfg 27 ECO 8M ECO 752 Everett WA ECO 752 S S Liner Bottom ECO 7M amp Lang Mfg ECO 9M BR Everett WA 28 S S Liner ECO 6M amp ECO 8M ECO 754 Dong Mig ECO 754 Everett WA S S Liner Left ECO 7M amp ECO 9M ECO 755 Lang Mig ECO 755 Everett WA S S Liner Right ECO 6M amp Lang Mfg 29 ECO 8M ECO 756 01 Everett WA ECO 756 01 S S Liner Right ECO 7M amp Lang Mfg ECO 9M ECO 757 01 Everett WA ECO 757 01 Lang Mfg 30 S S Liner End Cover Bottom ECO 758 Everett WA ECO 758 Lang Mfg S S Liner End Cover Top ECO 758 1 Everett WA ECO 758 1 Lang Mfg 31 Door Stop Assy Left Hand 50301 50 Everett WA 50301 50
8. CONVECTION OVENS TECH TOTAL NOMINAL AMPS LINE MAN K W THREE PHASE SINGLE PHASE NO CONN 208 VOLT 240 VOLT 440 VOLT 208V 240V e e eja ee 112 553 47 3 FACTORY CONTACT FACTORY 36 5 36 5 22 8 28 3 26 5 16 6 166 EN a Be WHEN ORDERING SPECIFY VOLTAGE AND PHASE Specifications subject to change without notice LANG MANUFACTURING COMPANY TOLL FREE 800 882 6368 PHONE 425 349 2400 FAX 425 349 2518 Figure 1A 13 EQUIPMENT DESCRIPTIO INTRODUCTION This manual contains the necessary information to install operate maintain and service the Lang model ECO convection ovens Replacement parts should be genuine Lang parts Failure to use genuine Lang replacement parts may result in malfunction of the appliance or possible injury to the contractor or service technician PURPOSE AND FUNCTION Convection ovens constantly circulate air over the product This removes a layer of moisture and cool air from around the product This allows heat to penetrate the product more quickly Cooking times are shortened and cooking temperatures are reduced CAPABILITIES This convection oven is suitable for cooking all types of products requiring baking or roasting ENVIRONMENTAL REQUIREMENTS The following minimum spacing from combustible surfaces must be maintained Sides 2 inches Back 2 inches ITEMS FURNISHED Listed by Model Numb
9. M REQUISITION NUMBER NOT REFERENCED NATIONAL STOCK NUMBER NSN 7310 01 314 7939 TITLE MAINTENANCE MANUAL FOR ELECTRIC CONVECTION OVEN ECO 6M ECO 7M ECO 8M amp ECO 9M DATE OF PUBLICATION JANUARY 2006 PREPARING ACTIVITY DEFENSE GENERAL SUPPLY CENTER APPLICABLE TMCR NUMBER NDMS 880393 000 EXTENT OF PROPOSED SUPPLEMENTAL DATA 10 MAXIMUM 1 LIST OF TECHNICAL MANUAL FOR THIS EQUIPMENT PROCURED UNDER ANOTHER CONTACT 3 ADDITIONAL COPIES ADDITIONAL COPIES ARE AVAILABLE FROM amo nw ASM no NAVAL PUBLICATION AND FORMS CENTER 5801 TABOR AVENUE PHILADELPHIA PA 19120 5099 4 COVER THE TECHNICAL MANUAL OUTSIDE COVER SHALL CONTAIN THE FOLLOWING STATEMENTS PUBLISHED BY DIRECTION OF COMMANDER NAVAL SEA SYSTEMS COMMAND THIS PUBLICATION IS REQUIRED FOR OFFICIAL USE OR FOR ADMINISTRATIVE OR OPERATIONAL PURPOSES DISTRIBUTION IS LIMITED TO U S GOVERNMENT AGENCIES ONLY OTHER REQUESTS MUST BE REFERRED TO COMMANDER NAVAL SEA SYSTEMS COMMAND SEA 09 WASHINGTON DC 20362 S6161 FW FSE 010 34931 0910 LP 327 9700 APPROVAL AND PROCUREMENT RECORD APPROVAL DATA FOR LANG ELECTRIC CONVECTION OVEN MODELS ECO 6M ECO 7M ECO 8M amp ECO 9M TITLE OF MANUAL MAINTENANCE MANUAL FOR ELECTRIC CONVECTION OVEN MODELS ECO 6M ECO 7M ECO 8M amp ECO 9M APPROVAL AUTHORITY NAVAL SHIP SYSTEMS ENGINEERING STATION CONTRACT NUMBER NSN OFUNITS APL CID DLA400 86 C 5292 7310 01 227 8214 58 430280135 DLA400 8
10. OTICE NOTICE NOTICE CAUTION CAUTION THE OVEN IS EXTREMELY HEAVY FOR SAFE HANDLING INSTALLER SHOULD OBTAIN HELP AS NEEDED OR EMPLOY APPROPRIATE MATERIALS HANDLING EQUIPMENT SUCH AS A FORKLIFT DOLLY OR PALLET JACK TO REMOVE THE UNIT FROM THE SKID AND MOVE IT TO THE PLACE OF INSTALLATION ANY STAND COUNTER OR OTHER DEVICE ON WHICH OVEN WILL BE LOCATED MUST BE DESIGNED TO SUPPORT THE WEIGHT OF THE OVEN S SHIPPING STRAPS ARE UNDER TENSION AND CAN SNAP BACK WHEN CUT THIS APPLIANCE MUST BE GROUNDED AT THE TERMINAL PROVIDED FAILURE TO GROUND THE APPLIANCE COULD RESULT IN ELECTROCUTION AND DEATH INSTALLATION OF THE UNIT MUST BE DONE BY PERSONNEL QUALIFIED TO WORK WITH ELECTRICITY AND PLUMBING IMPROPER INSTALLATION CAN CAUSE INJURY TO PERSONNEL AND OR DAMAGE TO EQUIPMENT UNIT MUST BE INSTALLED IN ACCORDANCE WITH ALL APPLICABLE CODES The data plate is located on the door of the oven The oven voltage wattage serial number wire size and clearance specifications are on the data plate This information should be carefully read and understood before proceeding with the installation The installation of any components such as a vent hood grease extractors fire extinguisher systems must conform to their applicable National State and locally recognized installation standards During the first few hours of operation you may notice a small amount of smoke coming off the oven and a faint odor from the smok
11. OTICE The installation of any components such as a vent hood grease extractors fire extinguisher systems must conform to their applicable National State and locally recognized installation standards er Elucirical INSPECTION AND INSTALLATION Upon receipt of the oven s any damage should be noted on the Bill of Lading and countersigned by the carrier If concealed damage is discovered the carrier should be notified All claims must be filed with the carrier Move the crate s containing the oven s as close to the place of installation as possible before removing the protective crating Uncrate the oven s and move them as close as practical to the final installation site Bolt the legs to the bottom oven See figure 42 Use the 3 8 16 x 5 8 Bolts Hex Nuts and Washers provided There are pre punched holes provided in the legs and oven bottom to aid in leg installation Now the oven can be set upright in or near its final position 16 INSTALLATIO Oven Bottom Flange Oven Bottom Nut 3 8 16 Hex Lock Washer FIGURE 2 Flat Washers Bolt 3 8 16 x 5 8 Oven Leg For single cavity ovens they can now be connected to power through he knockout in the bottom The oven can be placed in its final position and leveled The oven is ready for initial start up procedures now See page 17 For two cavity ovens place the upper oven on top of the bottom oven Be careful to
12. S6161 KW FSE 010 34931 0910 LP 327 9700 OPERATION AND SERVICE MANUAL FOR SHIPBOARD ELECTRIC CONVECTION OVENS MODEL NUMBERS ECO 6M ECO 7M ECO 8M and ECO 9M LANG MANUFACTURING COMPANY 6500 MERRILL CREEK PARKWAY EVERETT WA 98203 FSCM 34931 DISTRIBUTION STATEMENT THIS PUBLICATION IS REQUIRED FOR OFFICIAL USE OR FOR ADMINISTRATIVE OR OPERATIONAL PURPOSES DISTRIBUTION IS LIMITED TO U S GOVERNMENT AGENCIES ONLY OTHER REQUESTS FOR THIS DOCUMENT MUST BE REFERRED TO COMMANDER NAVAL SEA SYSTEMS COMMAND SEA 09 WASHINGTON DC 20362 SUPERCEDURE NOTICE S6161 KW FSE 010 34931 DATED JANUARY 2006 CANCELS AND SUPERCEDES S6161 KW FSE 010 34931 DATED MAY 1999 AND ALL CHANGES THERETO MANUAL SUPPLEMENT FOR MARINE EQUIPMENT THIS EQUIPMENT IS APPROVED FOR INSTALLATION ONLY ON VESSELS GREATER THAN 65 FEET IN LENGTH IN ACCORDANCE WITH USCG REGULATIONS IN TITLE 46 CFR 110 113 ANY WIRING USED IN THE INSTALLATION OF THIS APPLIANCE MUST BE STRANDED COPPER S6161 KW FSE 010 34931 JANUARY 2006 IDENTIFYING TECHNICAL PUBLICATION SHEET 1 IDENTIFICATION DATA LANG MFG CO MODELS ECO 6M ECO 7M ECO 8M amp ECO 9M 2 PURPOSE THIS TECHNICAL PUBLICATION IS ISSUED FOR THE PURPOSE OF IDENTIFYING AN AUTHORIZED TECHNICAL MANUAL FOR NAVY USE AND FOR PROVIDING SUPPLEMENTAL TECHNICAL INFORMATION MANUFACTURER LANG MFG CO CONTRACT NUMBER DLA400 91 M 5159 EQUIPMENT ELECTRIC CONVECTION OVEN MODEL ECO 6M ECO 7M ECO 8M amp ECO 9
13. Screwdriver 1 Phillips Screwdriver Wire Cutter Stripper 1 AMP Probe 1 Voltmeter 1 Dull 4 27 Drill Bits For Service All of the above plus Needle Nose Pliers 1 Crimping Pliers 1 Allen Wrench Set 1 Temperature Meter Very Small Flat Blade Screwdriver 1 10 Square Drive Screwdriver 15 INSTALLATION CAUTION THE OVEN IS EXTREMELY HEAVY FOR SAFE HANDLING INSTALLER SHOULD OBTAIN HELP AS NEEDED OR EMPLOY APPROPRIATE MATERIALS HANDLING EQUIPMENT SUCH AS A FORKLIFT DOLLY OR PALLET JACK TO REMOVE THE UNIT FROM THE SKID AND MOVE IT TO THE PLACE OF INSTALLATION CAUTION ANY STAND COUNTER OR OTHER DEVICE ON WHICH OVEN WILL BE LOCATED MUST BE DESIGNED TO SUPPORT THE WEIGHT OF THE OVEN S CAUTION SHIPPING STRAPS ARE UNDER TENSION AND CAN SNAP BACK WHEN CUT THIS APPLIANCE MUST BE GROUNDED AT THE TERMINAL PROVIDED FAILURE TO GROUND THE APPLIANCE COULD RESULT IN ELECTROCUTION AND DEATH INSTALLATION OF THE UNIT MUST BE DONE BY PERSONNEL GUALIFIED TO WORK WITH ELECTRICITY AND PLUMBING IMPROPER INSTALLATION CAN CAUSE INJURY TO PERSONNEL AND OR DAMAGE TO EQUIPMENT UNIT MUST BE INSTALLED IN ACCORDANCE WITH ALL APPLICABLE CODES NOTICE The data plate is located on the door of the oven The oven voltage wattage serial number wire size and clearance specifications are on the data plate This information should be carefully read and understood before proceeding with the installation N
14. T CLEANERS ARE HARMFUL TO THE SKIN EYES MUCOUS MEMBRANES AND CLOTHING PRECAUTIONS SHOULD BE TAKEN TO WEAR RUBBER GLOVES GOGGLES OR FACE SHIELD AND PROTECTIVE CLOTHING CAREFULLY READ THE WARNING AND FOLLOW THE DIRECTIONS ON THE LABEL OF THE CLEANER TO BE USED NOTICE Service on this or any other LANG appliance must be performed by qualified personnel only Consult your authorized service station directory or call the factory at 1 800 224 LANG 5264 or WWW LANGWORLD COM For the service station nearest you BOTH HIGH AND LOW VOLTAGES ARE PRESENT INSIDE THIS APPLIANCE WHEN THE UNIT IS PLUGGED WIRED INTO A LIVE RECEPTACLE BEFORE REPLACING ANY PARTS DISCONNECT THE UNIT FROM THE ELECTRIC POWER SUPPLY CAUTION USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY LANG OR THEIR AUTHORIZED DISTRIBUTORS CAN CAUSE BODILY INJURY TO THE OPERATOR AND DAMAGE TO THE EQUIPMENT AND WILL VOID ALL WARRANTIES TROUBLESHOOTING GUIDE SYMPTOM PROBLEM REMEDY Oven will not turn on Internal Circuit Breakers off Turn on Power supply circuit Turn on breakers off Phase per wiring diagram Improperly Phased Change fuses Fuses Open Power Supply Circuit Breakers Supply circuit breakers of Install proper size breakers Trip insufficient size Change voltage to match oven Supply voltage amp oven voltage do not match Internal circuit breakers trip Supply voltage amp oven Change voltage to matc
15. Y SWITCH REPLACEMENT Pull out control panel as previously outlined Remove the wires from the contactor or switch being changed Place those wires on the corresponding terminal of the new part Remove old part and mount new part with wires attached in the spot where the old part used to be Reinstall the control panel restore power to the oven Turn oven on set thermostat to 200 and allow oven to cycle 3 times or until the technician is satisfied with the proper operation of the oven BLOWER WHEEL REPLACEMENT The blower wheel is located inside the oven cavity To replace the blower wheel remove the baffle at the back of the oven This will expose the blower wheel to plain view and allow easy access Loosen the two 2 set screws holding the blower wheel onto the motor shaft Using a three finger blower wheel puller grasp the puller ring with all three fingers and tighten the puller until the blower wheel hub clears the motor shaft Place new blower wheel on the motor shaft and position exactly 5 8 from the oven back motor plate Tighten the set screw positioned over the flat on the motor shaft Spin the fan to make sure it spins straight Tighten the second set screw and re tighten the first set screw Replace the baffle The oven is now ready to re start 21 MAINTENANCE A MOTOR REPLACEMENT The motor is located inside the oven cavity To replace the motor remove the baffle at the back of the oven This will expose the blow
16. e This is normal for a new oven and will disappear after the first few hours of use ALWAYS KEEP THE AREA NEAR THE APPLIANCE FREE FROM COMBUSTIBLE MATERIALS KEEP FLOOR IN FRONT OF EQUIPMENT CLEAN AND DRY IF SPILLS OCCUR CLEAN IMMEDIATELY TO AVOID THE DANGER OF SLIPS OR FALLS IMPORTANT 15 HIGH VOLTAGE Elucirical IMPORTANT READ FIRST CAUTION NOTICE CAUTION KEEP WATER AND SOLUTIONS OUT OF CONTROLS NEVER SPRAY OR HOSE CONTROL CONSOLE ELECTRICAL CONNECTIONS ETC MOST CLEANERS ARE HARMFUL TO THE SKIN EYES MUCOUS MEMBRANES AND CLOTHING PRECAUTIONS SHOULD BE TAKEN TO WEAR RUBBER GLOVES GOGGLES OR FACE SHIELD AND PROTECTIVE CLOTHING CAREFULLY READ THE WARNING AND FOLLOW THE DIRECTIONS ON THE LABEL OF THE CLEANER TO BE USED Service on this or any other LANG appliance must be performed by qualified personnel only Consult your authorized service station directory or call the factory at 1 800 224 LANG 5264 or WWW LANGWORLD COM For the service station nearest you BOTH HIGH AND LOW VOLTAGES ARE PRESENT INSIDE THIS APPLIANCE WHEN THE UNIT IS PLUGGED WIRED INTO A LIVE RECEPTACLE BEFORE REPLACING ANY PARTS DISCONNECT THE UNIT FROM THE ELECTRIC POWER SUPPLY USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY LANG OR THEIR AUTHORIZED DISTRIBUTORS CAN CAUSE BODILY INJURY TO THE OPERATOR AND DAMAGE TO THE EQUIPMENT AND WILL VOID ALL WARRANTIES IMPORTANT
17. er Model ECO 6 or ECO 6M lea Oven Type I Size 2 4ea Legs 16 ea 3 8 16 x 5 8 Bolts For mounting legs 16 ea 3 8 16 Hex Nuts For mounting legs 32 ea Washers For mounting legs 2ea Rack Slides Extra Deep 5ea Racks Extra Deep 2ea Manuals Technical Model ECO 7 or ECO 7M lea Oven Type I Size 1 4ea Legs 16 ea 3 8 16 x 5 8 Bolts For mounting legs 16 ea 3 8 16 Hex Nuts For mounting legs 32 ea Washers For mounting legs 2ea Rack Slides Standard Depth 5ea Racks Standard Depth 2ea Manuals Technical 14 ENT DESCRIPTION CONT Model ECO 8 or ECO 8M 2ea Oven Type IL Size 2 4ea Legs 16 ea 3 8 16 x 5 8 Bolts For mounting legs 16 ea 3 8 16 Hex Nuts For mounting legs 32 ea Washers For mounting legs 4ea Rack Slides Extra Deep 10 ea Racks Extra Deep 2ea Manuals Technical lea Stacking Kit Model ECO 9 or ECO 9M 2ea Oven Type II Size 1 4ea Legs 16 ea 3 8 16 x 5 8 Bolts For mounting legs 16 ea 3 8 16 Hex Nuts For mounting legs 32 ea Washers For mounting legs 4ea Rack Slides Standard Depth 10 ea Racks Standard Depth 2ea Manuals Technical lea Stacking Kit ITEMS REQUIRED An adequate supply of wire suitable for the loads and application specified on the data sheet must be provided The data sheet is on Page 4 of this manual TOOLS AND TEST EQUIPMENT REQUIRED For Installation 1 set Open End Wrenches 1 Hlat Blade
18. er wheel and motor shaft to plain view and allow easy access Remove the blower wheel as described in BLOWER WHEEL REPLACEMENT Next remove the bolts holding the motor plate to the back wall of the oven cavity Gently pull the motor forward and lay on the bottom of the oven cavity Mark the wires so they can be placed on the same terminals of the new motor Remove the motor wires Remove the motor from the oven Remove the motor mounting bolts remove the old motor and replace with the new one Reveres the above steps to remount the motor and see BLOWER WHEEL REPLACEMENT for proper re installation of the blower wheel TRANSFORMER REPLACMENT Pull out control panel as previously outlined Mark the wires attached to the transformer Remove the wires Remove the screws holding the transformer to the control panel Install the new transformer Reconnect the wires making sure they are attached to the same terminals as on the original transformer Reinstall the control panel restore power to the oven The oven is now ready for normal operation MICROSWITCH REPLACEMENT Open the oven doors and remove the screws from the microswitch cover located below the doors Remove the microswitch cover Remove the two 2 small screws 6 32 holding the microswitch to its mount Mark the wires attached to the microswitch then remove the wires Attach the wires to the new microswitch Mount the microswitch with the two 6 32 screws Adjust the
19. h oven voltage do not match Oven takes too long to bake Improperly phased Phase oven to match power and wont maintain supply per wiring diagram temperature 19 MAINTENANCE A PERFORMANCE AND INSPECTION A periodic check of thermostat calibration should be performed To check oven calibration attach a thermocouple to the mid point of the thermostat bulb in the oven cavity Turn the temperature dial to 350 and turn the oven ON Wait approximately 20 minutes until the oven temperature has stabilized If the average of the ON and OFF thermostat readings is within 10 of 350 the oven is in calibration If not remove the temperature knob and turn the small screw in the middle until oven is in calibration Replace the knob and the oven is ready for normal operation MAJOR COMPONENT DISASSEMBLY REPAIR REPLACEMENT AND REASSEMBLY Refer to figure 4 page 22 THERMOSTAT CONTACTORS RELAYS SWITCHES These parts are located behind the control panel assembly on the right hand side of each oven Remove the screws attaching the control panel to the front of the oven Slowly pull out the control panel until the component requiring replacement is accessible THERMOSTAT REPLACEMENT Inside the oven cavity remove the retaining clips holding the thermostat sensing bulb in place Feed the bulb through the oven wall into the control panel area Remove the wires attached to the thermostat terminals Remember the terminal
20. microswitch arm for proper switch actuation Replace cover and restart oven 22 ROUBLESHOOTING CONTI Item Description Lang Part Vendor Vendor Robertshaw 1 Thermostat 30402 27 Xoungswood KXP 356 48 Elmwood 2 Thermostat Safety 30401 09 Pawtucket RI 345 0RC 174 0067 Aimsco 3 Knob Damper 70701 25 Seattle WA DK 49 REID Lang Mfg 4 Handle Door 70603 20 Everett WA 70603 20 Lang Mfg 5 Latch Marine Door ECO 762 Everett WA ECO 762 6 Window Door 71301 04 Milis produets 1001453 Farmington MI Lang Mfg 7 Door Hinge Set LH and RH 60102 369 Everett WA 60101 369 Revcor 9 Blower Wheel 71500 05 Carpenters 1 8149 Lang Mfg 10 Rack Deep ECO 6M amp ECO 8M 50200 31 Everett WA 50200 31 Rack Std ECO 7M amp ECO 9M 50200 20 Lang Mig 50200 20 Everett WA 11 Rack Slide ECO 6M amp ECO 8M 50200 33 Lang Mig 50200 33 Everett WA Rack Slide ECO 7M amp ECO 9M 50200 32 Lang Mig 50200 32 Everett WA Lang Mfg 12 Socket Light 31602 04 Everett WA 31602 04 Litemor 13 Lamp Light 31603 04 Seattle WA 1139750A 250V H D Campbell 14 Holder fuse 30901 08 Seattle WA HPF EE Bussman H D Campbell 15 Fuse 30900 10 Seattle WA SC 15 Leeson Electric 16 Motor 440 VAC 2 speed 30200 16 Milwaukee WI 101354 00 Caloritech Inc 17 Element 440 VAC 11090 25 Buffalo NY IXI 11090 25 18 Microswitch Door 30301 02 Unimax HL2KJC3T055
21. oard application Positive Door Locks Five Oven Racks Meets Military Specifications MIL 0 0043633E LANG MANUFACTURING COMPANY 6500 Merrll Creek Parkway Everett W 98203 TOLL FREE 800 882 5368 PHONE 425 349 2400 a SERVICE 800 224 5264 Mi FAX 425 349 2518 Specificationa subject to change without notice Figure 1 11 Designed and manufactured to comply with military specification MIL 0 0043633E For both land base and Naval Shipboard application Available in standard and extra deep MIL 0 0043633E CONVECTION OVENS MIL 0 0043633E Classifications TYPE One Oven Compartment TYPE ll Two Oven Compartments SIZE 1 Standard Depth SIZE2 Extra Deep Oven Cavity Navy Shipboard Application INTERIOR OVEN DIMENSIONS STANDARD DEPTH 20 HIGH 22 DEEP 29 WIDE EXTRA DEEP 20 HIGH 29 DEEP 29 WIDE CONDUIT ELECTRICAL CONNECTION SIZE 1 LEG BOLT DOWN LOCATIONS Figure 1A ECO 6 ECO 7 ECO 8 ECO 9 WEIGHT SIZE 2 LEG BOL DOWN LOCATIONS MIL 0 0043633E SPECIFICATION DESCRIPTION 1 YES 7310 01 290 0463 7310 01 227 8214 1 NO 1 Y ECO 9M 1 YES 7310 01 277 4105 FOR NAVAL SHIPBOARD APPLICATION 6500 Merrill Creek Parkway Everett WA 98203 U S A PRINTED IN U S 51209 01 68 MILITARY SPECIFICATIONS AND ELECTRICAL DATA 2 YES 7810 01 314 7938 ECO
22. route the power supply wire between the two ovens using the holes provided Do not pinch or cut the supply wires when stacking the ovens Use the stacking kit provided to secure the top oven to the bottom oven The stacking kit contains four 4 identical corner braces One brace goes on each corner Do the following for each corner Put a brace on a corner Drill pilot holes for the mounting screws using the pre punched holes as a guide Secure the top oven to the bottom oven with the sheet metal screws provided See figure 3 Top Oven FIGURE 3 Bottom Oven Corner Brace Connect the power supply leads from the top oven to the power supply leads of the bottom oven and incoming power per the wiring diagram on Page 16 or 17 Now the bottom oven can be connected to the incoming power supply through the knockout provided in the bottom of the oven Be sure the power supply voltage matches the voltage specified on the nameplate located on the front of the oven Then the oven can be placed in its final position and leveled The oven is ready for initial start up procedures now See page 17 17 OPERATIO NOTICE During the first few hours of operation you may notice a small amount of smoke coming off the oven and a faint odor from the smoke This is normal for a new oven and will disappear after the first few hours of use CAUTION ALWAYS KEEP THE AREA NEAR THE APPLIANCE FREE FROM COMBUSTIBLE MATERIALS CAUTION KEEP FLOOR
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