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Contents
1. OPERATION AND SERVICE MANUAL FOR SUBMARINE ELECTRIC CONVECTION OVEN RANGE MODEL NUMBER RF21SMG USUB LANG MANUFACTURING COMPANY 6500 MERRILL CREEK PARKWAY EVERETT WA 98203 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 XXXXX XX XXX XXX XXXX MARCH 2001 IDENTIFYING TECHNICAL PUBLICATION SHEET IDENTIFICATION DATA LANG CO MODEL RF21SMG USUB PURPOSE THIS TECHNICAL PUBLICATION IS ISSUED FOR THE PURPOSE OF IDENTIFYING AN AUTHORIZED TECHNICAL MANUAL FOR NAVY USE AND FOR PROVIDING SUPPLEMENTAL TECHNICAL INFORMATION A E OP Arr mo MANUFACTURER LANG MFG CO CONTRACT NUMBER XXXXXX XX X XXXX EQUIPMENT ELECTRIC CONVECTION OVEN RANGE MODEL NUMBER RF21SMG USUB REQUISITION NUMBER NOT REFERENCED NATIONAL STOCK NUMBER NSN TITLE MAINTENANCE MANUAL FOR ELECTRIC CONVECTION OVEN RANGE MODEL NUMBER RF21SMG USUB DATE OF PUBLICATION MARCH 2001 PREPARING ACTIVITY DEFENSE GENERAL SUPPLY CENTER APPLICABLE TMCR NUMBER XXXX XXXXXX XXX EXTENT OF PROPOSED SUPPLEMENTAL DATA 10 MAXIMUM 1 LIST OF TECHNICAL MANUAL FOR THIS EQUIPMENT PROCURED UNDER ANOTHER CONTACT2. INSTRUCTIONS STEP 3 Oven Assembly 1 Install interior assembly from step 2 into oven assembly from step 1 from the front right side and set into position line up bottom front channel with bottom then push back on front until left front side flange goes over left side and line up 3 holes on left front flange with holes in left side install 10 sheet metal screws 2 Install 10 32x3 8 truss head machine screw with 222 loctite in bottom only of firewall J Do not tighten these screws Install damper rod 13 with washer and clip Attach Right hand top 6 Left Hand top 7 with 10 sheet metal screws 5 Slide top 6 and 7 in below top front in slot Hold firewall to right and let top insulation go down between insulation on sides 6 Push firewall J into place lining up holes at rear install 10 32x3 8 truss head machine screw with 222 loctite in rear of firewall and tighten all firewall screws 7 Install Right hand side 8 with 10 30x3 8 truss head machine screw with 222 loctite 8 Install 10 sheet metal screws in top 9 Install bottom hinge 10 with 10 32 Flat Head screw with 222loctite amp nut plate 11 behind front flange line up install center locking screw before tightening screws 10 Install door 12 use special hinge pivot screw 11 Install fan baffle over fan with 4 each 10 32x3 8 pan head screws 12 Install Right hand rack slide over fan baffle amp 3
3. The electrical connection must be made in accordance with local codes or in the absence of local codes with NFPA No 70 latest edition in Canada use CSA STD C22 1 CAUTION MAKE SURE THE SIX WIRE LEADS TO SUPPLY ELECTRICITY TO THE COOK TOP ARE NOT CRIMPED BETWEEN THE OVEN AND RANGE TOP WARNING MAKE SURE THE MAIN POWER SUPPLY TO THE RANGE IS TURNED OFF AT THE SOURCE PRIOR TO CONNECTING POWER TO THE RANGE The range can now be connected to power Electrical CAUTION BE SURE THE POWER SUPPLY VOLTAGE MATCHES THE VOLTAGE SPECIFIED ON THE NAMEPLATE LOCATED ON THE FRONT OF THE RANGE Use the wiring diagram provided in this manual for determining the connections of the cook top wires to the oven terminal block 18 ITIAL START U INITIAL PREHEAT Prior to putting any range or oven into full time operation at normal cooking temperatures it must be thoroughly dried out Moisture absorption in the closed spaces in the insulation and even inside the heating elements can cause future trouble if not properly treated Griddles dry out the griddle set the thermostat to 250 Allow the unit to cycle at least 15 minutes at this heat level Reset the thermostat to 3509 allow the same time Reset the thermostat to 450 and allow the unit to maintain the temperature for a minimum of 4 hours More time may be required if the unit has to operate in moist environment If the unit is out of use for three
4. EDE OR EE 10 2 RANGE 12 OVEN ASSEMBLY us ee 16 4 RANGE TOP ASSEMBLY ocn 17 5 ILLUSTRATED PARTS 25 IMPORTANT READ FIRST IMPORTANT CAUTION EACH UNIT WEIGHS 600 LBS THE TOP ONLY WEIGHS 410 LBS FOR SAFE HANDLING INSTALLER SHOULD OBTAIN HELP AS NEEDED OR EMPLOY APPROPRIATE MATERIALS HANDLING EQUIPMENT SUCH AS 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 RANGE WILL BE LOCATED MUST BE DESIGNED TO SUPPORT THE WEIGHT OF THE RANGE 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 DANGER APPLIANCE COULD RESULT IN ELECTROCUTION TTT AND VOLTAGE INSTALLATION OF THE UNIT MUST BE DONE BY gt gt gt PERSONNEL QUALIFIED TO WORK WITH ELECTRICITY IMPROPER INSTALLATION CAN CAUSE INJURY TO PERSONNEL AND OR DAMAGE TO EQUIPMENT UNIT MUST BE INSTALLED IN ACCORDANCE WITH ALL APPLICABLE CODES Electrical Hard NOTICE The data plate is located right of range top controls and behind circuit breaker door on oven The range 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 in
5. 3 ADDITIONAL COPIES ARE AVAILABLE FROM NAVAL PUBLICATION AND FORMS CENTER 5801 TABOR AVE 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 SEA09 WASHINGTON DC 20362 XXXXX XX XXX XXX XXXX MARCH 2001 APPROVAL AND PROCUREMENT RECORD APPROVAL DATA FOR LANG ELECTRIC CONVECTION OVEN RANGE MODEL NUMBER RF21SMG USUB TITLE OF MANUAL MAINTENANCE MANUAL FOR ELECTRIC CONVECTION OVEN RANGE MODEL NUMBER RF21SMG USUB APPROVAL AUTHORITY NAVAL SHIP SYSTEMS ENGINEERING STATION CONTRACT NUMBER NSN OF UNITS APL CID REMARKS DATE MARCH 2001 CERTIFICATION IT IS HEREBY CERTIFIED THAT THE TECHNICAL MANUAL PROVIDED UNDER CONTRACT NUMBER XXXXXX XX X XXXX FOR LANG RF21SMG USUB HAS BEEN APPROVED BY THE APPROVAL DATA SHOWN ABOVE EE DIRECTOR CONTRACTS LANG MANUFACTURING COMPANY FSCM CAGE 34931 Date Title and or Brief Description Signature of Validating Officer ILLUSTRATION PAGE 1 SPECIFICATION SHEET
6. 201 295 277 32
7. CALIBRATION Calibration Check Place thermometer or thermocouple in the center of oven cavity Set thermostat to 350 Allow the oven to Preheat for at least half an hour Note cycle on temperatures and cycle off temperatures for 3 cycles Red indicator light indicates when oven is calling for heat gt After 3 cycles average the temperature Add all six temperatures and divide by 6 vvvv Calibration Adjustment gt 1 16 flat blade screwdriver with a 2 shaft is required to make adjustments on the thermostat gt Maintain the oven temperature at 3509 gt Without turning the thermostat remove the knob gt Locate adjustment screw at the base of the shaft and insert the screwdriver gt Grasp the shaft and turn the screw Counter clockwise to increase and clockwise to decrease 1 8 of a turn will move the temperature 5 7 in either direction gt Reinstall the oven knob and recheck the oven temperature REMOVAL INSTRUCTIONS OVEN Thermostat Contactor Transformer and Switch These parts are located behind the control panel assembly on the right hand side of the oven To access control panel secure unit from power remove the vent knob and the seven screws around the outside of the control panel assembly Slowly pull the control panel toward you until the component is accessible Thermostat Secure oven from power Inside the oven remove the fan baffle and the retaining clips holding the thermostat
8. RANGE TOP Thermostat Secure range top from power Using two 9 braces lift the griddle plate up and secure with the two 9 braces Remove tube holders from the center of the element assembly and gently remove from griddle area Remove two sheet metal screws holding control panel to range top and remove control panel Remove the thermostat knob and two screws holding the thermostat to the control panel Discard old thermostat Reverse removal instructions to install new thermostat Elements Secure range top from power Using two 9 braces lift the griddle plate up and secure with the two 9 braces Remove capillary tube holders from the center ofthe element pan assembly and gently remove from griddle area Remove wires from element terminals noting the wire locations Remove the five nuts holding the element assembly to the bottom of the griddle Remove defective element from the element pan and discard defective element To install reverse removal instructions 24 25 LLI E N 27 PARTS Oven N N N 28 48 gt o N E 29 N N l 30 PARTS Item Description Lang Part Vendor Vendor 1 Range Plate Assembly 1 2 x 3ft 50401 03 Lang Mfg 50401 03 2 Element Griddle 440V 1 5 300
9. x 1 2 stainless steel screw 4 ea 10 32 hex nuts 2 ea 8 32 x 1 2 stainless steel screw 2 ea 8 32 hex nuts VVVVVV RANGE TOP CONTROLS The RF21SMG USUB Series Rang comes with a 36 griddle that is controlled by three thermostats that have a temperature range of 150 F 450 F Each thermostat controls the heat for that 12 section In addition the range comes with a convection oven that is controlled by one thermostat that has a temperature range of 150 F 450 F Below is a layout of the top configuration RF21SMG USUB One 36 x24 Griddle controlled by one 450 thermostat RANGE TOP CONFIGURATION 12 SEMBLY INSTRUCTIO STEP 1 See Oven Assembly 1 Attach right bottom 1 and left bottom 2 using 10 32x3 8 truss head screw with one drop of 222 Loctite on each screw 2 Install 3 4 10 to 1 2 13 threaded adapters in the leg nuts to fit the 1 2 13 studs in the 6 legs Lay the bottom assembly on the deck 3 Install oven back 4 to bottom be sure that insulation slides together properly and use 10 32x3 8 truss head machine screw with 222 Loctite 4 Install left side with insulation 3 using 10 32x3 8 truss head screws with 222 Loctite M Be sure insulation slides over insulation on bottom 5 Position the loose piece of insulation 5 at rear of oven as shown in the oven assembly illustration STEP 2 See Oven Assembly CAUTION Leave oven interior screws loose until all screws have been in
10. 0 Watts 11010 24 Caloritech 1x1 11216 02 3 Element Griddle 440V O S 2000 Watts 11010 23 Caloritech 1x1 11217 02 4 Element Pan Assembly w Snout 50300 20 Lang Mfg 50300 20 5 Wire Bracket 50306 25 Lang Mfg 50306 25 6 Thermostat Capillary Tube Holder 60102 17 Lang Mfg 60102 17 7 Element Terminal Guard 50306 33 Lang Mfg 50306 33 8 Indicator Light 440V 31601 02 Wes Grade 1854 1 20 20310 9 Knob Thermostat 450 F Griddle 70701 16 Lang Mfg 70701 16 10 Terminal Block 3 Pole 30500 07 All West Fasteners 162 04 3L 11 Thermostat 450 F Griddle 30402 08 Invensys SP 173 72 12 Range Top Control Panel Front RF21 305 1 Lang Mfg RF21 305 1 13 Range Top Front RF21 711 Lang Mfg RF21 711 14 Pan Grease Drawer RF21 705 Lang Mfg RF21 705 15 Grab Bar Assembly 36 Long 50300 44 Lang Mfg 50300 20 16 Marine Pan Latch Assembly 60102 93 Lang Mfg 60102 93 17 Range Top Left Hand Assembly RF21 710 Lang Mfg RF21 710 18 Range Top Center Channel RF 21 704 Lang Mfg RF21 704 19 Range Top Right Hand Assembly RF21 709 Lang Mfg RF21 709 20 Range Top Rear Assembly RF21 703 Lang Mfg RF21 703 21 Fuse Holder 15 Amp 30901 02 H D Campbell HKP H H Bussman 22 Switch Toggle On Off 30303 06 Carling Tech 2GL231 78 XLN2 23 Knob Manual Timer 70701 09 Lang Mfg 70701 09 24 Knob Damper Black 70701 25 Reid Tool DK 49 Reid 25 Knob Thermostat 450 F Oven 70701 19 Lang Mfg 70701 19 26 Pilot Light 208 240V 31601 01 Wes Grade 2152 1 23 20110 27 Thermostat 450 F Oven 30402 27 Invensys KXP 356
11. 48 28 Timer Mechanical Long Ring 30801 01 M H Rhodes 220012 29 Contactor 2 Pole 208 240 VAC 30701 02 Products Unltd 3100 20U3198 30 Contactor 3 Pole 208 240 VAC 30700 05 Products Unltd 3100 30U8198LM 31 Circuit Breaker 440 Volt 3 Pole 31800 04 Carling Tech EA3X00191832CHB 32 Transformer 440 240 VAC 31400 04 Argo Inter HD 2221109T00 33 Circuit Breaker 440 Volt 2 10 Amp 2 Pole 31800 07 Carling Tech CB3B02422022CC 34 Fuse 15 Amp 30900 01 H D Campbell ABC 15 35 Motor 1 3 HP 440 Volt 30200 03 Merkle Korff 101356 00 36 Motor Mount Assembly F6 188 Lang Mfg F6 188 37 Baffle Deflector F6 123 1 Lang Mfg F6 123 1 38 Insulation R H F6 158 Lang Mfg F6 158 39 Insulation Rear F6 251 Lang Mfg F6 251 40 Can R H side F6 104 5 Lang Mfg F6 104 5 41 Blower Wheel 71500 03 Revcor Inc 1 7981 42 Element Oven 440 Volt 6000 Watts 11090 11 Caloritech 1x1 11090 11 43 Baffle 60102 166 Lang Mfg F6 122 1 44 Hinge Bracket Lower Left Oven 70601 28 Kason Ind 91510004080035C 45 Door Handle 11 1 2 Long Black 50800 12 Prodeco 50800 12 46 Door Outer Skin F6 145 Lang Mfg F6 145 47 Door Insulation F6 144 1 Lang Mfg F6 144 1 48 Door Inner Skin F6 144 6 Lang Mfg F6 144 6 49 Door Micro switch assembly 60102 1661 Lang Mfg 60102 1661 50 Door Stop amp Slide 50301 50 Lang Mfg 50301 50 51 Hinge Bracket Upper Left Oven 70601 27 Kason Ind 91511005100035C 52 Hinge Pin 70601 05 Kason Ind 9152300050 53 Hinge Plate amp Bushing Door 70601 06 Kason Ind 9152300054 10033F Comp
12. ECTIONS ETC 5869 Hard CAUTION 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 The range should be thoroughly cleaned at least once a week in addition to the normal daily cleaning to insure against the accumulation of foreign material CAUTION Any oven cleaner used should be marked Safe On Aluminum Keep drip pans under range top plates clean Keep hotplate and griddle surfaces clean Outside of range and top should be kept clean Flectric equipment is inherently clean and sanitary but may become unsanitary if grease is allowed to accumulate on it Take advantage of the clean sanitary features of electric equipment give it the regular attention that it deserves the same as any other highly perfected machinery to insure best results and continued high operating efficiency 21 TROUBLE SHOOTING OVEN OVEN WILL HEAT PROBABLE CAUSE CORRECTIVE ACTION Oven circuit breaker not on Cycle breaker to the position Incorrect wiring Confirm that oven is getting proper voltage 440 Volts Confirm that range is phased correctly Defective transformer Confirm that transformer is getting correct voltage 440 Volts Confirm that transformer is putting out correct voltage 240 Vo
13. HEN THE UNIT IS TANGER gt 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 A WILL VOID ALL WARRANTIES LANG MANUFACTURING COMPANY MANUAL FOR MODEL RF21SMG USUB ELECTRIC CONVECTION OVEN RANGE ISSUED DATE JULY 2001 LANG MANUFACTURING COMPANY 6500 MERRILL CREEK PARKWAY WA 98203 ELECTRIC CONVECTION OVEN RANGE PER MIL X XXXXXXXX MIL SPEC LANG MODEL NUMBER SPECIFIC NSN TYPE I SIZE 1 RF21SMG USUB XXXX XX XXX XXXX N S A FOR NAVAL SHIPBOARD APPLICATION ALL COMPONENTS WILL FIT THROUGH 26 WATER TIGHT HATCH SIFICATION 5 ELECTRIC RANGE gt The Range dimensions are 30 76 2cm High 38 96 5 and 36 91 5cm Wide gt Sides Bottom and wall are constructed stainless steel gt The Range surface comes with a 36 griddle ITEMS 1 ea RF21 GM USUB Range Top 1 ea F 6S M U SUB Convection Oven 4 ea Bolt down legs 2 ea Operation Manuals lea Marine Handle Submarine Range assembly Kit ea Tube red silicone 1 ea Bottle Loctite 20 ea 10 32 x 3 8 stainless steel screw 10 ea 10 x 1 2 sheet metal screw 6 ea 10 32
14. capillary tube to the inside of the oven Feed the bulb through the oven wall into the control panel area Pull out control panel as previously outlined Remove the wires from the old thermostat and attach to the corresponding terminal of the new thermostat Remove knob and two screws that hold the thermostat to the oven control panel Discard old thermostat Reinstall the thermostat and capillary tube into oven and the control panel and restore power to the oven Test for proper operation Contactor and Switch 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 contactor or switch Remove old contactor or switch and mount new contactor or switch with wires attached Discard old contactor or switch Reinstall the control panel and restore power to oven Test for proper operation Transformer Pull out control panel as previously outlined Remove the wires from the old transformer Place the wires on the corresponding terminal of the new transformer Remove old transformer and mount new transformer with wires attached Discard old transformer Reinstall the control panel and restore power to the oven Test for proper operation 23 amp CLEANIR Blower Wheel Secure oven from power Inside the oven remove the racks and right hand rack slide Remove wing nut holding oven baffle Remove oven baffle exposi
15. lete Door Assembly 60102 2031 Lang Mfg 60102 2031 31 2000 2000 2000 G 3000 G 3000 c 3000 AP D a od E Jr 5 J E E 1 1 I 9 A ELECTRICAL CONNECTIONS 7 RANGE TOP 5 e CONNECT 2 Kal 2 POWER OVEN CIRCUIT SUPPLY BREAKER O B 3 THREE PHASE 3 2 4 6 HEAT ELEMENT THERMOSTAT O MOTOR pr PILOT LAMP pr CONTACTOR 5 xo Se NO POWER SWITCH 2 D C FUSE 83 143 TRANSFHRMER CIRCUIT BREAKER 31 CAUTION CHECK OVEN FOR PRO DIRECTION OF FAN ROTATION v N CHANGE PHASING OF POWER IF WIR NUT a NECESSARY TO CORREC O CONNECT WIRE FROM RANGE TOP TO OVEN CIRCUIT EI BREAKER 38 2 38 Q Q Ka NG NAV dal AN 36 44 LlLelL3 O ro 23 133 ga 5 T3 2 PHASE PE Ge ita MOTOR Ti ey i oA 21 3 72 _ TERMINAL BLOCK 50 AMP 3 POLE CIRCUIT BREAKER CONVECTION OVEN RANGE ELECTRICAL DATA MAREN LOADING IHTAL AMPS THREE PHASE EE KW PHASE CONN 480 NUMBER Li L2 L2 1 31 L3 Gt lens 41 11 Le L3 RF 21S 6 2 10 2 5 2 216
16. loctite on all screw threads When setting the top onto the oven the 6 wires must be routed down through the top of the oven 7 With oven control panel in front of oven connect motor wires oven element wires and door switch wires refer to wiring diagram 61105 29 Install the thermostat capillary tube Attach the terminal block attach the 6 range top feed wires to the circuit breaker in the oven control section refer to wiring diagram 61 105 29 install oven control panel 6 with 6 8 32 machine screws and install damper knob Caution DO NOT allow thermostat capillary tube to be close to electrical connections Install element terminal covers 9 over elements on griddle plate 9 Install griddle plate 7 on top of range top amp block up front of plate with 2 pieces of 2x6 supplied 10 Insert 4 wires from each set of elements into proper wire tube Be sure the glass sleeving is still on the set of 4 wires This sleeving will slide over the wire pipe 11 Insert the thermostat bulbs into the clip in bottom of the proper element pan and tighten the bulb screw Lower the griddle plate down while pulling down and pulling slack out of wires and capillary tube into the control box Leave a round loop in wire from wire tube to elements 12 Attach plate to range with 2 each 3 8 x 1 2 x 5 16 18 shoulder screws at rear and 2 each 3 8 x 1 2 x 5 16 18 shoulder screws at front 13 Wire range amp control panel referring to the
17. lts Defective Fuses Replace fuses Defective Contactor Confirm that contactor is getting correct voltage on the coil 240 Volts Defective Thermostat Confirm that thermostat is getting correct voltage Confirm that thermostat is operating properly Defective Element Confirm that element is getting correct voltage Check element for normal operation 11 5 Amps OVEN MOTOR WILL NOT COME ON PROBABLE CAUSE CORRECTIVE ACTION Incorrect wiring Confirm that oven is getting proper voltage Confirm that range is phased correctly Defective transformer Confirm that transformer is getting correct voltage 440 Volts Confirm that transformer is putting out correct voltage 240 Volts Defective Fuses Replace fuses Defective Contactor Confirm that contactor is getting correct voltage on the coil 240 Volts Defective Motor Confirm that motor is getting power and working properly Replace Motor RANGE GRIDDLE WILL NOT HEAT PROBABLE CAUSE CORRECTIVE ACTION Incorrect wiring Confirm that oven is getting proper voltage Confirm that range is phased correctly Oven circuit breaker not on Cycle breaker to the ON position Defective Thermostat Confirm that thermostat is getting correct voltage Confirm that thermostat is operating properly Defective Element Confirm that element is getting correct voltage Check element for normal operation Inside 5 7 Amps Outside 3 5 Amps 22 MAINTENANCE amp CLEANIN
18. ng the blower wheel Loosen the two 1 4 20 set screws holding the blower wheel to the motor shaft Using a three fingered 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 the new blower wheel so that it is flush with front inlet ring Tighten the set screw over the flat spot on the motor shaft and spin the blower wheel to confirm that blower wheel is strait Adjust if necessary and tighten second set screw Test for proper operation Motor Remove the blower wheel as outlined above Once blower wheel is removed remove the six bolts holding the motor plate to the side wall of the oven Gently pull the motor out and lay on the bottom of the oven cavity Note each wire location on the motor and remove the wires Remove motor from cavity and remove old motor from motor mounting plate Attach new motor to motor mounting plate Reverse removal instructions to assemble Discard old motor and test for proper operation Elements Remove oven racks and right hand rack slide from oven Remove the wing nuts holding oven baffle to right hand of oven Remove oven baffle from oven Remove 4 screws holding oven elements to right hand of oven Gently pull elements away from right hand of oven Noting wire locations disconnect wires from element Discard old element Reverse removal instructions to assemble REMOVAL INSTRUCTIONS
19. or bakes with minimum power consumption at twice the output capacity of a conventional oven The power switch on the lower portion of the control panel energizes the fan motor and activates the thermostatically controlled circuit for the oven heating elements When this switch is in the on position the red indicator light will illuminate Rotating the thermostat control knob from off position to selected temperature causes indicator light to illuminate and closes the contactor that feeds power to the heating elements This light will cycle on and off as the thermostat calls for heat in the oven The blower however operates continuously while the power switch is in the on position The black control knob operates a damper in the oven vent stack Damper is open when knob is pulled outward Circuit breakers behind the control panel protect the electrical components from overload RANGE TOP Thermostats control 36 x 24 grill plate Temperature ranges from 1509 4502 Recommended All heavy and light frying Set the thermostat dial at the desired temperature and allow for a thirty minute preheat time The red indicator light will be on until the desired temperature is reached and then shut off The pilot light will cycle on and off as the elements cycle on and off 20 amp CLEANI Cleaning KEEP WATER AND SOLUTIONS OUT CONTROLS NEVER SPRAY OR HOSE CONTROL CONSOLE ELECTRICAL CONN
20. or more days a one hour preheat schedule should be used especially when exposed to high humidity and or cool temperatures Ovens To dry out the Oven set the thermostat to 250 and turn on the power switch Allow the unit to cycle at least 15 minutes at this heat level Reset the thermostat to 3502 allow the same time Reset the thermostat to 450 and allow the unit to maintain the temperature for a minimum of 4 hours More time may be required if the unit has to operate in moist environment If the unit is out of use for three or more days a one hour preheat schedule should be used especially when exposed to high humidity and or cool temperatures NOTICE During the first few hours of operation you may notice a small amount of smoke coming off the range and a faint odor from the smoke This is normal for a new range and will disappear after the first few hours of use 19 DPERATION OVEN The convection oven roasts and bakes in shorter time and at lower temperatures with less shrinkage than conventional commercial ovens blower in the Lang convection oven circulates air within the chamber to heat the entire space evenly and transfer heat efficiently to product even with stacked loading The airflow continuously removes the thick layer of moist cool air that otherwise would surround the product When properly loaded and operated it maintains this airflow throughout the chamber to eliminate hot spots and roasts
21. racks 13 Lay the oven assembly on its side taking care to protect from scratching and gouging 14 Install 4 each 6 adjustable legs into bottom Lift oven back to upright position PS 14 EMBLY INSTRUCTIONS CON Range Top Assembly Range Top Assembly pa Put a 1 8 bead of red silicone inside socket at each end of top front assembly 5 2 Slide front of pan slide on left side 4 into channel in top front assembly 5 behind flange at front At the same time the slide engages behind front side flange the side must go into the side socket with the silicone Secure with 10 32x3 8 truss head machine screw on the side amp 1 EA 8 32x1 2 pan head machine screw with an 8 32 hex nut Use 222 loctite on all screw threads 3 Do the same as above with the right hand side 2 plus feed the 6 wires back between the slide channel and the side then down through the 2 each 3 4 plastic bushings 4 Insert center slide 3 under control box amp into 2 clips on the bottom of the control box Secure to the gutter with 2 each 10 32x1 2 phillips head machine screw with 10 32 hex nuts Use 222 loctite on all screw threads 5 Install the top rear 1 the same as the front except there is no clips at the back for the center pan slide It is to be attached by 2 each 10 32x3 8 truss head machine screw 6 Set the assembly on top of the oven and attach 4 side clips and 16 each 10 32x3 8 truss head machine screw use 222
22. stallation NOTICE 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 NOTICE During the first few hours of operation you may notice a small amount of smoke coming off the range or out of the oven and a faint odor from the smoke This is normal for a new range 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 IN FRONT OF EQUIPMENT CLEAN AND DRY IF SPILLS OCCUR CLEAN IMMEDIATELY TO AVOID THE DANGER OF SLIPS OR FALLS PP IMPORTANT FIRST IMPORTANT KEEP WATER AND SOLUTIONS OUT OF CONTROLS NEVER SPRAY OR HOSE CONTROL CONSOLE ELECTRICAL CONNECTIONS ETC Elcincal Hauer CAUTION 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 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 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 W
23. stalled and use a drop of loctite on all oven interior screws 1 Puta 1 16 to 1 8 in bead of red silicone on outside of two flanges top and bottom on right side of oven interior and motor assembly four flanges all around on back of oven interior C two flanges top and bottom on left side of oven interior D 2 Attach interior bottom to right interior side and motor assembly with 10 32x3 8 truss head screws 3 Install interior back C to A and B using 10 32 truss head machine screw 4 Install interior left side D to A and C using 10 32 truss head machine screw 5 Install interior top to and D using 10 32 truss head machine screw 6 Put 1 8 in bead of red silicone around outside of interior flange of oven front F at base of flange as shown on illustration A 7 Install oven interior over flange on oven front and into the silicone amp secure with 10 32x3 8 truss head machine screw be sure to install bottom trim G under screws at bottom 8 Tighten all oven interior screws amp seal portal corners with silicone see oven assembly illustration 9 Install door switch unit H to front use 3 1 4 SAE flat washers 10 24 hex nuts amp a drop of 222 loctiteTM 10 Install firewall J under control panel mounting flange and over motor and element end threads and damper lever 11 Install vent rod plate K to top rear of J Use 10 sheet metal screws 13
24. wiring diagram 61105 29 and install control panel 99 CAUTION When installing control panel be sure that capillary tubes are behind the wiring as to keep them away from electrical connections 14 Install pans and pan front 8 15 Install front grab bar 10 15 BLY INSTRUCTIONS OVEN ASSEMBLY 16 RANGE ASSEMBLY BIG PRE or AMO RON 17 INSTALLATION THIS APPLIANCE MUST BE GROUNDED AT THE DANGER TERMINAL PROVIDED FAILURE TO GROUND THE HIGH APPLIANCE COULD RESULT IN ELECTROCUTION AND WOLTAGE INSTALLATION OF THE UNIT MUST 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 ZA WITH ALL APPLICABLE CODES NOTICE The data plate is located right of range top controls The 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 NOTICE 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 ELECTRICAL
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