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Gas Pressure Fryer

MODELS LGF, LGF-F, & LGF-FC
Service Manual

Serial Numbers 137733 and higher

Summary of Contents for LGF

Page 1: ...Gas Pressure Fryer MODELS LGF LGF F LGF FC Service Manual Serial Numbers 137733 and higher ...

Page 2: ...idental to the replacement of the defective part where replacement work is performed during standard business hours and not subject to overtime holiday rates and or any additional fees IN NO EVENT SHALL THE COMPANY BE LIABLE FOR LOSS OF USE LOSS OF REVENUE OR LOSS OF PRODUCT OR PROFIT OR FOR INDIRECT OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO FOOD SPOILAGE OR PRODUCT LOSS WARRANTY DOES ...

Page 3: ...bels 9 Installation 11 Operation 12 Controls and Indicators 12 Care of the Shortening 15 LGF and LGF F Operation 15 Start Up LGF and LGF F 15 Cooking LGF and LGF F 16 LGF FC Operation 18 System Programming 18 Product Programming 20 Start Up LGF FC 23 Cooking LGF FC 23 Recipes 25 Operation After Gas or Power Outage 27 Normal Shutoff 27 Maintenance 28 Replacement Parts 29 Assemblies 29 Accessories 5...

Page 4: ...ollow recommended safety precautions listed in this manual Below is the safety alert symbol When you see this symbol on your equipment be alert to the potential for personal injury or property damage Safety Signs and Messages The following Safety signs and messages are placed in this manual to provide instructions and identify specific areas where potential hazards exist and special precautions sh...

Page 5: ... use of Mercury relays is an industry standard Equipotential ground plane When a high current flows through a conductor differences in potential appear between the conductor and nearby metallic surfaces near the appliance As a result sparks may be produced between the appliance and surrounding metal surfaces These sparks could cause serious injury damage or fire BKI provides an Equipotential groun...

Page 6: ... contact your local gas supplier for instructions about what to do if you smell gas Post those instructions somewhere near the fryer so that everyone who uses or works near the fryer knows what to do if they smell gas Beware of High Voltage This equipment uses high voltage Serious injury can occur if you or any untrained or unauthorized person installs services or repairs this equipment Always Use...

Page 7: ...yer or the shortening is hot You could be burned Keep The Casters Locked To avoid spilling shortening keep the casters locked If any shortening spills near your fryer clean it up immediately Do Not Overfill The Fryer With Shortening Hot shortening and steam may escape and burn you if you put too much shortening in the fryer Fill the fryer to approximately one inch below the fill marks that are ins...

Page 8: ...ar non skid shoes when working around the fryer or any other equipment that uses shortening Never wear loose clothing such as neckties or scarves while operating your fryer Keep loose hair tied back or in a hair net while operating your fryer Always wear appropriate personal protection equipment during the filtering process to guard against possible injury from hot oil Always wear appropriate pers...

Page 9: ...hildren away from this equipment Children may not understand that this equipment is dangerous for them and others NEVER allow children to play near or operate your equipment Keep Safety Labels Clean and in Good Condition Do not remove or cover any safety labels on your equipment Keep all safety labels clean and in good condition Replace any damaged or missing safety labels Refer to the Safety Labe...

Page 10: ... the fire department near your telephone Know your responsibilities as an Employer Make certain your employees know how to operate the equipment Make certain your employees are aware of the safety precautions on the equipment and in this manual Make certain that you have thoroughly trained your employees about operating the equipment safely Make certain the equipment is in proper working condition...

Page 11: ...Gas Pressure Fryer Introduction 9 Safety Labels ...

Page 12: ...Gas Pressure Fryer Introduction 10 ...

Page 13: ...Gas Pressure Fryer Installation 11 Installation For installation information refer to Gas Pressure Fryer MODELS LGF LGF F LGF FC Installation and Operation Manual LI0101 ...

Page 14: ...Gas Pressure Fryer Operation 12 Operation Controls and Indicators Refer to the figure and table below for an explanation of the fryer s controls and indicators ...

Page 15: ...s increased or decreased in 30 second increments START STOP button Starting the Timer Pressing this button while the timer is not active will cause the timer to begin counting down the time on the display Stopping the Timer Pressing this button while the timer is active will stop the timer from counting down and display the remaining time Time cannot be changed with the TIME SELECT buttons at this...

Page 16: ...RM or START STOP button is pressed 9 High Limit Reset Switch If shortening inside the pot reaches an unsafe temperature power is automatically removed from the control panel and the gas system shuts off Pressing this switch returns power to the control panel and resets the gas system 10 Gas Control Valve Switch ON Allows gas to flow when the FILTER OFF FRY switch is set to the FRY position and the...

Page 17: ... the proper shortening level TO THE FILL MARK ON THE POT WALL 6 DO NOT HOLD SHORTENING AT HIGH TEMPERATURE when the fryer is not in use If you expect an elapsed time of one hour or more between cooking close the lid and press the 0 button on the LGF FC model On Models LGF and LGF F set the thermostat to 150º F 7 Shortening changes are determined by the quantity and type of food prepared Excessive ...

Page 18: ...STIR OIL function is operating in the OFF mode the digital timer activates a STIR OIL function and begins an internal six minute countdown not displayed At the end of the internal countdown the display shows the words STIR then OIL in 5 second intervals and the alarm sounds Depress the ALARM button and stir the shortening freely while it is heating IMPORTANT Before the first cooking operation each...

Page 19: ... knob on the spin handle with the orange knob at the front of the fryer 8 Activate the timer by pressing the START STOP button on the digital timer The timer will begin the count down 9 At the end of the frying cycle the digital timer beeper will sound and the fryer will automatically release pressure into the baffle box Press the START STOP button 10 When the pointer on the pressure gauge is at z...

Page 20: ...Gas Pressure Fryer Operation 18 LGF FC Operation System Programming Use the following figure and table to set options that apply to each product programs Figure 1 System Programming Sequence ...

Page 21: ...fers to the appliance type you have chosen 8 Press ENTER PROGRAM MELTCYCL YES This command allows you to set the melt cycle option This is normally set to yes if you are using solid shortening The display will show either YES or NO 9 Press TOGGLE CLEAR until the desired option is displayed PROGRAM MELTCYCL X X refers to the melt cycle option chosen 10 Press ENTER PROGRAM GLBLFLTR 0 This command al...

Page 22: ... Fryer Operation 20 Product Programming Use the following figure and table to set a maximum of eight product programs The product programs must be set before cooking can begin Figure 2 Product Programming Sequence ...

Page 23: ... may also display C depending on the system option that is set 8 Press TOGGLE CLEAR and input the cooking temperature for product to be cooked PROGRAM TEMP1 XXX F XXX refers to the cooking temperature you input 9 Press ENTER PROGRAM TEMPCOM1 FLEX TIME This command enables you to select whether or not time is allowed for the fryer to recover from temperature loss while cooking during this stage The...

Page 24: ...ut the prealarm minutes PROGRAM PREALARM XX XX XX XX refers to the prealarm minutes you input 16 Press ENTER PROGRAM FILTER 0 This command allows you to specify the number of fry cycles you want to complete for this program before a message is displayed reminding you to filter the shortening filter lockout The filter value displayed may be a previously programmed value 17 Press TOGGLE CLEAR and in...

Page 25: ...ide the pot 5 Add more shortening as required to reach the fill mark Once the oil reaches the fill mark press the ENTER button The computer will display STIR OIL and automatically enter the STIR OIL mode In this mode the computer will heat the oil to 255 F and hold that temperature 6 Stir the oil freely while it is heating Press the 0 button when finished stirring the oil IMPORTANT Before the firs...

Page 26: ...eries of audible beeps Press the selected number once again to stop the cook cycle Fifteen seconds before the end of the cook cycle the program will automatically release the pressure from the fryer For your safety the lid will not unlock even at the end of the cook cycle until the pressure has been fully released Hot steam will escape when you open the lid possibly causing severe injury Keep your...

Page 27: ...Use 2 1 2 to 3 pounds for best results 1 Rinse product under cold water 2 Bread each piece with Imperial breading 3 Place product into fryer basket 4 Close the cover to begin pressure frying 5 Cook for 12 minutes at 325 F Frozen Chicken MRB except wings 1 Take product from freezer 2 Place product into fryer basket 3 Cook for 3 minutes open at 325 F 4 Add wings to fryer basket 5 Close the cover to ...

Page 28: ...o begin pressure frying 4 Cook for 5 to 6 minutes at 325 F depending on size Fresh Shrimp 1 Season and bread shrimp as desired 2 Place shrimp into fryer basket 3 Close cover to begin pressure frying 4 Cook for 2 to 3 minutes at 350 F depending on size Fresh Fish or Frozen Fish For best results use a tiered basket The best fish for frying are Flounder Cod Walleyed Pike or any other popular frying f...

Page 29: ... dissipate LP gas may take longer than five minutes If you smell gas do not start your fryer 1 Place the gas control ON OFF switch in the OFF position 2 Place the FILTER OFF FRY switch in the OFF position 3 Wait at least five minutes to allow any gas that may have accumulated in the burner compartment to escape 4 Follow normal operating procedures once the power or gas is restored Normal Shutoff 1...

Page 30: ...Gas Pressure Fryer Maintenance 28 Maintenance For maintenance information refer to Gas Pressure Fryer MODELS LGF LGF F LGF FC Installation and Operation Manual LI0101 ...

Page 31: ...ON PANEL LGF 220 60 1 CONTROL INSULATION PANEL LGF F 110 220 50 1 CONTROL INSULATION PANEL LGF F 220 380 50 1 CONTROL INSULATION PANEL LGF F 220 60 1 CONTROL INSULATION PANEL LGF F 240V CONTROL INSULATION PANEL LGF F SB3489 SB3493 SB3337B SB3495 SB3458 SB3326A Figure 7 Table 7 CONTROL INSULATION PANEL LGF FC CONTROL INSULATION PANEL LGF FC 240V ENG CONTROL INSULATION PANEL LGF FC ARGENTINA CONTROL...

Page 32: ...Gas Pressure Fryer Replacement Parts 30 Figure 3 Lid Arm Assembly AN3211350S Sheet 1 of 4 ...

Page 33: ...Gas Pressure Fryer Replacement Parts 31 Figure 3 Lid Arm Assembly AN3211350S Sheet 2 of 4 ...

Page 34: ...Gas Pressure Fryer Replacement Parts 32 Figure 3 Lid Arm Assembly AN3211350S Sheet 3 of 4 ...

Page 35: ...Gas Pressure Fryer Replacement Parts 33 Figure 3 Lid Arm Assembly AN3211350S Sheet 4 of 4 ...

Page 36: ... 8 SHORT PRONG 16 F0026 1 ROLL PIN 5 32 X 3 4 Figure 3 sheet 4 SB3492 1 LID LOCKING ASSY LGF DOVE TAIL 1 B0857 1 BUSHING BRONZE 3 8X9 16X5 8 2 C0464 1 CASTING LGF TOP W DOVETAIL ALAMAG35 3 D0054 1 DIAPHRAGM LGF 4 F0286 1 PIN LOCKING 810 X 2 25 5 FKMA199 1 RETAINER DIAPHRAGM FKM 6 G0033 1 GUARD DIAPHRAGM 7 G0093 1 GASKET SQ SILICONE BONDED LGF 8 S0045 1 SPRING LOCKING PIN 1 85 OAL 9 SCR176 9 SCREW ...

Page 37: ...0657 1 COVER DEAD WEIGHT VALVE FKM 2 W0201 1 WEIGHT VALVE FKM 12 3 O0001 1 ORIFICE SS 4 FT0414 1 NIPPLE 1 2 X 3 3 4 SS SCH 80 5 B0965 1 BODY DEAD WEIGHT VALVE LGF SS 6 FT0232 1 NIPPLE 1 2 X 2 SS 304 7 FT0234 1 NIPPLE 1 4 X 1 1 2 SS 304 8 FT0190 1 ELL STREET 1 4 90 DEG CP 9 FT0084 1 COUPLING BRASS 1 4 10 G0064 1 GAUGE PRESSURE 30 PSI 11 O0002 1 GASKET O RING 2 222 ...

Page 38: ...Gas Pressure Fryer Replacement Parts 36 Figure 5 Drain Motor Piping Assembly ...

Page 39: ...TENSION 12 F0255 1 PIN CLEVIS 3 16 X 1 1 4 13 SP0014 2 SPACER ALUM 0 50 X 0 125 14 F0254 2 PIN COTTER HAIRPIN 213 15 F0253 1 PIN CLEVIS 3 16 X 1 3 4 16 SP0034 2 SPACER DRAIN VALVE BRKT 17 FT0543 1 DRAIN VALVE BRACKET FRYERS 18 NUT253 2 NUT 6 32 S S 18 8 NYLON 19 LGFA240 1 COVER MICROSWITCH 20 S0054 1 SWITCH MICRO BZ 2RW822 A2 21 WLGFA348 1 HANDLE PLATE WELD 22 N0270 1 DECAL DRAIN SUPPORT PLATE LGF...

Page 40: ...Gas Pressure Fryer Replacement Parts 38 Figure 6 Burner Tray Assembly ...

Page 41: ... 18 9 SB3346 1 MANIFOLD ASSY LGF LP NO DWG LGFA052 2 BURNER ORIFICE LP O0005 MN0001 1 MANIFOLD GAS SUPPLY 10 SB3468 1 BURNER TRAY REAR WELD LGF SB3466 1 NATURAL GAS BURNER TRAY ASSEMBLY 1 C0724 1 GAS CONTROL PILOT BURNER O0023 5 ORIFICE PILOT BURNER NAT LGF 2 C0726 1 GAS CONTROL STEP OPEN NATURAL 3 FT0399 3 ELL STREET 1 2 90 BRASS 4 GB0004 2 BURNER GAS BRAY LGF 5 I0015 0 083 INSULATION BOARD 7 16 ...

Page 42: ...Gas Pressure Fryer Replacement Parts 40 Figure 7 Control Insulation Panel LGF LGF F ...

Page 43: ...7 1 FUSE 15A 300V SC15 TIME DELAY 3 FH0001 1 FUSE HOLDER 15A 300V HPF EE 4 K0030 1 KNOB T STAT BLK 400DEG 5 N0267 1 DECAL CONTROL PANEL LGF 6 S0104 2 SWITCH RKR DPDT 15A 250V LAMP 7 T0022 1 THERMOSTAT 375 DEG SGL POLE 8 T0024 1 THERMOSTAT HI LIMIT 425 DEG 9 TI0032 1 TIMER 230V DIGITAL 4 BUTTON 10 TF0030 TF0005 1 TRANSFORMER 240 24V LGF TRANSFORMER 120 24V LGF ...

Page 44: ...Gas Pressure Fryer Replacement Parts 42 Figure 8 Control Insulation Panel LGF FC ...

Page 45: ...TER 3 R0044 2 RELAY X 40 SGL FRYER 4 S0104 1 SWITCH RKR DPDT 15A 250V LAMP 5 T0024 1 THERMOSTAT HI LIMIT 425 DEG 6 W0053 W0054 1 TRANSFORMER ASSY 120V TRANSFORMER ASSY 240V 7 TF0030 TF0005 1 TRANSFORMER 240 24V LGF TRANSFORMER 120 24V LGF 8 F0097 1 FUSE 15A 300V SC15 TIME DELAY 9 FH0001 1 FUSE HOLDER 15A 300V HPF EE 10 FN0013 FN0014 1 FAN 115V NMB 3115FS12WB30 FAN 230V NMB 3115FS23WB30 ...

Page 46: ...Y INSTR FRYERS 6 N0175 1 DECAL SLIPPING ADMONITIONS 7 N0176 1 DECAL INSTR SAFETY MANUAL 8 N0181 1 DECAL USE ONLY ON NON COMBUST 9 N0319 1 DECAL RESTRAIN DEVICE FR CAN 10 N0346 1 DECAL LGF RESTRAINING WARNING 11 N0350 1 DECAL GAS WARNING LGF 12 P0022 1 HANDLE PULL SS P60 1010 13 RIV172 4 RIVET 1 8 X 1 4 CS PLT POP 14 SB3289 1 LGF INSIDE DOOR WELDMENT 15 SCR008 6 SCREW 10 X 1 2 PHIL TRUSS HD 16 WLPF...

Page 47: ...Gas Pressure Fryer Replacement Parts 45 Figure 10 Oil Vat Assembly AN32112800 ...

Page 48: ...REEN INTERCEPTOR 7 FS0001 1 FILTER SCREEN BOTTOM 8 FC0004 1 NUT SCREEN RETAINING FKM F 9 WB32112600 1 FILTER VAT WELD ALF LPF LGF 10 FB32112702 1 COVER FILTER VAT LGF 11 N0395 1 DECAL VAT COVER SAFETY WARN 12 SB2306 1 S S CRUMB BASKET WELD FKF Figure 11 Outlet Box Assembly Table 11 Outlet Box Assembly Parts ITEM PART QTY DESCRIPTION 1 F0067 4 WASHER REDUCER 100 50 2 F0111 1 TERMINAL GROUNDING LUG ...

Page 49: ... 1 2 X C SS 2 FT0198 1 TEE BRASS 1 2 CP 3 SV0004 1 VALVE SOLENOID HV 214 761 2 120V 4 FT0413 1 NIPPLE 1 2 X 1 3 4 SS 5 FT0414 1 NIPPLE 1 2 X 3 3 4 SS 6 FT0067 1 BUSHING C110JO 3 4 X 1 2 CP 7 PV0001 1 VALVE POP SAFETY 8 LGFA228 1 CONDUIT 1 2 EMT 20 062 9 FT0398 1 REDUCING COUPLING 10 FT0404 1 ELL 1 2 STREET CHROME PLTD 11 FT0358 1 CONNECTOR COMPRESSION 1 2 ...

Page 50: ...ART QTY DESCRIPTION 1 B0996 1 BALL 11 16 STEEL BEARING 2 FT0429 1 QUICK DISCONNECT PUMP SIDE 3 FT0500 1 QUICK DISCONNECT VAT SIDE 4 FT0536 1 COUPLING 5 8 45 FLARE TO 5 O0013 2 O RING FLUOROCARBON V680 70 6 O0014 1 O RING PARKER 2 124 LARGE 7 S0138 1 SPRING FOR QUICK DISCONNECT 8 SCR4531 2 SCREW 10 24X3 8 WASHERED Not included with SB1997S ...

Page 51: ...essure Fryer Replacement Parts 49 Figure 14 Drain Valve Plugs SB1999S Table 14 Drain Valve Plugs SB1999S Parts ITEM PART QTY DESCRIPTION 1 MB19101000 1 DRAIN VALVE REPLACEMENT 2 FT0243 2 PLUG 3 8 SQ HEAD PIPE ...

Page 52: ...E TEE STYLE LIFT H0151 Figure 15 2 BRUSH DRAIN LONG WHITE B0075 Figure 15 3 BRUSH LONG 5702 B0051 Figure 15 4 BRUSH POT SCRUBBER WHITE B0049 Figure 15 5 BRUSH SHORT 6175 B0052 Figure 15 6 RESTRAINT FT0279 Figure 15 7 HOSE 72 GAS H0048 Figure 15 8 INSULATED MITT 13 G0052 Figure 15 9 Figure 15 Accessories 1 2 3 4 5 6 7 8 9 ...

Page 53: ...ADJUSTABLE STOP FKM A0101 Figure 16 1 CASTER 2470 DIK 075 R05 22 C0409 Figure 16 2 CASTER 2477 DIK 075 R05 22 C0410 Figure 16 3 FILTER BAG CLIP FI0007 ST0015 Figure 16 4 FILTER FKM F 13 5 X 20 5 FI0007 Figure 16 5 THERMISTER PROBE 6 85 X 1 T0047 Figure 16 6 Figure 16 Components 1 2 3 4 5 6 ...

Page 54: ...iagram associated with your unit Wiring Diagram Diagram Figure Page LGF F 120V 60HZ 1 Phase SB322901 Figure 17 53 LGF FC 120V 60HZ 1 Phase LGFE1034 Figure 18 54 LGF FC 220V 50HZ 1 Phase LGFE1038 Figure 19 55 LGF FC 220V 60HZ 1 Phase LGFE1041 Figure 20 56 LGF FC 240V 50HZ 1 Phase LGFE1036 Figure 21 57 ...

Page 55: ...Gas Pressure Fryer Wiring Diagrams 53 Figure 17 LGF F 120V 60HZ 1 Phase ...

Page 56: ...Gas Pressure Fryer Wiring Diagrams 54 Figure 18 LGF FC 120V 60HZ 1 Phase ...

Page 57: ...Gas Pressure Fryer Wiring Diagrams 55 Figure 19 LGF FC 220V 50HZ 1 Phase ...

Page 58: ...Gas Pressure Fryer Wiring Diagrams 56 Figure 20 LGF FC 220V 60HZ 1 Phase ...

Page 59: ...Gas Pressure Fryer Wiring Diagrams 57 Figure 21 LGF FC 240V 50HZ 1 Phase ...

Page 60: ...P O Box 80400 Simpsonville S C 29680 0400 USA http www bkideas com Made and printed in the U S A LI0196 0808 ...

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