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BKI LGF Service Manual

Gas pressure fryer
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Download this manual See also: Operation & Installation Manual
Gas Pressure Fryer
MODELS LGF, LGF-F, & LGF-FC
Service Manual
Serial Numbers 137733 and higher

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Summary of Contents for BKI LGF

  • Page 1 Gas Pressure Fryer MODELS LGF, LGF-F, & LGF-FC Service Manual Serial Numbers 137733 and higher...
  • Page 2 LIMITED ONE YEAR WARRANTY BKI (The "Company") warrants to the original purchaser that at time of shipment from the Company factory, this equipment will be free from defect in materials and workmanship. Written notice of a claim under this warranty must be received by the Company within ONE YEAR from the date of installation, but no longer than ONE YEAR AND THREE MONTHS from date of shipment from the factory.

  • Page 3: Table Of Contents

    Safety Labels ... 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 ...

  • Page 4: Introduction

    Gas Pressure Fryer The LGF Pressure Fryer is compact, attractive and functional in design. It is constructed of a stainless steel fryer pot for cleaning ease. Exclusive BKI patented features and safety devices offer flexibility, efficiency and reliability plus PERFECTION IN PRESSURE FRYING! The BKI name and trademark on this unit assures you of the finest in design and engineering -- that it has been built with care and dedication -- using the best materials available.

  • Page 5: Specific Precautions

    Gas Pressure Fryer Specific Precautions Lids for LGF Pressure Fryers manufactured prior to May 27, 1980 (or units with serial numbers lower than 3613) could be manually opened while under pressure resulting in serious injury or death. If you have one of these units, please contact the BKI Technical Services Department toll-free at 1-800-927-6887 for urgent update information.

  • Page 6: Safe Work Practices

    Make sure to keep the area around your fryer clear of any obstacles. Serious injury can occur if you trip or fall near the fryer. You could be burned by hot shortening that splashes out of the fryer or by falling against the hot metal of the fryer.
  • Page 7 Make sure to keep the floor around your fryer clean of shortening and other liquids. Serious injury can occur if you slip near your fryer. You could be burned by hot shortening that splashes out of the fryer or by falling against the hot metal of the fryer.
  • Page 8 Always wear your insulated mitts when handling the fryer basket or touch any hot metal surfaces. You received a pair of insulated mitts with your fryer. If you lose or damage your mitts, you can buy new ones at your local restaurant equipment supply store or from your local BKI Distributor.
  • Page 9 Keep Away From The Vent Hot steam escapes from the vent continuously when you are using your fryer. You could be burned if you get too close to the vent. Keep this manual with the Equipment This manual is an important part of your equipment. Always keep it near for easy access.
  • Page 10 • Make certain that you have thoroughly trained your employees about operating the equipment safely. • Make certain the equipment is in proper working condition. If you make unauthorized modifications to the equipment, you will reduce the function and safety of the equipment. Do Not Smoke Near The Fryer. Introduction...

  • Page 11: Safety Labels

    Gas Pressure Fryer Introduction Safety Labels...
  • Page 12 Gas Pressure Fryer Introduction...

  • Page 13: Installation

    Gas Pressure Fryer Installation Installation For installation information, refer to Gas Pressure Fryer, MODELS LGF, LGF-F, & LGF-FC, Installation and Operation Manual LI0101.

  • Page 14: Operation

    Gas Pressure Fryer Operation Operation Controls and Indicators Refer to the figure and table below for an explanation of the fryer’s controls and indicators.
  • Page 15 Gas Pressure Fryer Item Description Pressure Gauge Spin Handle Pop Safety Valve lever Computer Rocker Switch Thermostat Knob Thermostat Light Digital Timer LED indicator TIME SELECT (2 arrow buttons) START/STOP button ALARM button Function Indicates the pressure inside the pot.
  • Page 16 Gas Pressure Fryer Item Description A, B, C, D preset buttons Beeper Display High Limit Reset Switch Gas Control Valve Switch Drain Lever Fill Lever Pump Motor Reset Switch Rinse Hose Connector Function These buttons are used to save and recall preset cycle and alarm times, saving operator time and minimizing error when changing interval cycle times and alarm times.

  • Page 17: Care Of The Shortening

    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.

  • Page 18: Cooking (Lgf And Lgf-F)

    Gas Pressure Fryer The LGF/LGF-F fryer has a maximum temperature setting of 375º F (190º C). Do not use oil/shortening with a flashpoint less than 554º F (290º C) Use only high-quality shortening that has low moisture content, a high smoke point and no additives.
  • Page 19 14. Remember to filter the shortening at least every third frying cycle load. Refer to the procedure in this manual. Also filter the shortening and clean the fryer at the end of each day. If you do not plan to use the fryer for an hour or more, turn the thermostat down to 150°...

  • Page 20: Lgf-Fc Operation

    Gas Pressure Fryer Operation 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 Gas Pressure Fryer STEP ACTION Press the FILTER/OFF/FRY switch to FRY. Press PROG on the keypad. Input 1712 and ENTER. Press ENTER. Press TOGGLE/CLEAR until the desired option is displayed. Press ENTER. Press TOGGLE/CLEAR until the desired option is displayed.

  • Page 22: Product Programming

    Gas Pressure Fryer Operation 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 XXX refers to the cooking temperature you input. 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 FLEX TIME option will allow the fryer to recover from temperature loss.
  • Page 24 Gas Pressure Fryer STEP ACTION Repeat steps 5-12 when programming stages 2, 3, 4 and 5 for Electric and Gas appliance types. Repeat steps 5-10 when programming stages 2, 3, 4 and 5 for an ALF appliance type. Press ENTER.

  • Page 25: Start-Up (Lgf-Fc)

    Do not use any shortening other than what is specified in this manual and do not overfill the fryer pot. The LGF-FC fryer has a maximum temperature setting of 390º F (200º C). Do not use oil/shortening with a flashpoint less than 554º F (290º C) Use only high-quality shortening that has low moisture content, a high smoke point and no additives.
  • Page 26 Failure to use the insulated mitts will result in injury. Always use the insulated mitts when handling the hot fry basket. 13. Connect the basket handle then lift the basket and hang it on the front of the fryer pot to drain. 14. Empty the basket.

  • Page 27: Recipes

    Fried Onion Rings 1. Take frozen onion rings from freezer or bread fresh onion rings with Imperial breading. 2. Place onion rings into fryer basket. 3. Close cover to begin pressure frying. 4. Cook for 4 minutes at 350°F for frozen product.
  • Page 28 4. Cook for 20 to 25 minutes at 300°F. Pork Chops 1. Bread each chop with Imperial breading. 2. Place pork chops into fryer basket. 3. Close cover to begin pressure frying. 4. Cook for 8 to 10 minutes at 325°F depending on size.

  • Page 29: Operation After Gas Or Power Outage

    Gas Pressure Fryer Operation After Gas or Power Outage The fryer may shut off automatically if the gas supply is interrupted or the power goes out. If either of these conditions occur you should perform the following procedure: For your safety, if the gas supply stops, or, if the power goes out, make sure to wait for at least five minutes before restarting your fryer.

  • Page 30: Maintenance

    Gas Pressure Fryer Maintenance Maintenance For maintenance information, refer to Gas Pressure Fryer, MODELS LGF, LGF-F, & LGF-FC, Installation and Operation Manual LI0101.

  • Page 31: Replacement Parts

    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 CONTROL/INSULATION PANEL LGF-FC CONTROL/INSULATION PANEL LGF-FC 240V ENG CONTROL/INSULATION PANEL LGF-FC ARGENTINA CONTROL/INSULATION PANEL LGF-FC KOREA DOOR ASSEMBLY W/POCKET OIL VAT ASSEMBLY OUTLET BOX ASSY, LGF...
  • Page 32 Gas Pressure Fryer Replacement Parts Figure 3. Lid/Arm Assembly, AN3211350S (Sheet 1 of 4)
  • Page 33 Gas Pressure Fryer Replacement Parts Figure 3. Lid/Arm Assembly, AN3211350S (Sheet 2 of 4)
  • Page 34 Gas Pressure Fryer Replacement Parts Figure 3. Lid/Arm Assembly, AN3211350S (Sheet 3 of 4)
  • Page 35 Gas Pressure Fryer Replacement Parts Figure 3. Lid/Arm Assembly, AN3211350S (Sheet 4 of 4)
  • Page 36 SPRING, HOOK LGF LPF FKM SCREW, 1/4-20 X 1/2 FLAT HD SCREW, 1/4-20 X 1/2 PHIL RD HD BUSHING, BRONZE 1" HANDLE SIDE FOR H0155 FKM LPF LGF WASHER, 5/16 LOCK ZINC PLTD WASHER, 1/4 INT LOCK PLUG, HOLE 3/8" SHORT PRONG...
  • Page 37 COVER, DEAD WEIGHT VALVE FKM WEIGHT, VALVE FKM 12# ORIFICE, SS NIPPLE, 1/2 X 3 3/4 SS SCH 80 BODY, DEAD WEIGHT VALVE LGF SS NIPPLE, 1/2 X 2 SS 304 NIPPLE, 1/4 X 1 1/2 SS 304 ELL, STREET 1/4 90 DEG CP...
  • Page 38 Gas Pressure Fryer Replacement Parts Figure 5. Drain/Motor/Piping Assembly...
  • Page 39 DRAIN VALVE BRACKET, FRYERS NUT, 6-32 S/S 18-8 NYLON COVER, MICROSWITCH SWITCH, MICRO BZ-2RW822-A2 HANDLE PLATE WELD DECAL, DRAIN SUPPORT PLATE LGF SCREW, 6-32 X 1-3/4 SLTD RD HD HANDLE, DRAIN VALVE COVER, DRAIN HANDLE RED HANDLE, FILL VALVE COVER, FILL HANDLE BLACK...
  • Page 40 Gas Pressure Fryer Replacement Parts Figure 6. Burner Tray Assembly...
  • Page 41 INSULATION, BOARD 7/16 BURNER TRAY FRONT W/SLOT PILOT BRKT, HOT SURFACE IGNITION S/S TUBING 304 1/4 DIA CORRUG.18" MANIFOLD ASSY, LGF LP NO DWG BURNER ORIFICE, LP O0005 MANIFOLD, GAS SUPPLY BURNER TRAY, REAR WELD LGF NATURAL GAS BURNER TRAY ASSEMBLY...
  • Page 42 Gas Pressure Fryer Replacement Parts Figure 7. Control/Insulation Panel LGF & LGF-F...
  • Page 43 Gas Pressure Fryer Table 7. Control/Insulation Panel LGF & LGF-F Parts ITEM # PART # B1050 F0097 FH0001 K0030 N0267 S0104 T0022 T0024 TI0032 TF0030 TF0005 BEZEL, ROBERTSHAW THERMOSTAT FUSE, 15A 300V SC15 TIME DELAY FUSE HOLDER, 15A 300V HPF-EE...
  • Page 44 Gas Pressure Fryer Replacement Parts Figure 8. Control/Insulation Panel LGF -FC...
  • Page 45 W0054 TF0030 TF0005 F0097 FH0001 FN0013 FN0014 Table 8. Control/Insulation Panel LGF -FC Parts CONTROLLER, VFD LESS HARNESS DECAL, CONTROL LGFFC COMPUTER RELAY, X-40, SGL FRYER SWITCH, RKR DPDT 15A 250V LAMP THERMOSTAT, HI LIMIT 425 DEG TRANSFORMER ASSY, 120V...
  • Page 46 DECAL, SLIPPING ADMONITIONS DECAL, INSTR & SAFETY MANUAL DECAL, USE ONLY ON NON-COMBUST DECAL, RESTRAIN DEVICE FR/CAN DECAL, LGF RESTRAINING WARNING DECAL, GAS WARNING LGF HANDLE, PULL SS P60-1010 RIVET, 1/8 X 1/4 CS PLT POP LGF INSIDE DOOR WELDMENT...
  • Page 47 Gas Pressure Fryer Replacement Parts Figure 10. Oil Vat Assembly (AN32112800)
  • Page 48 FILTER SCREEN FITTING SPOTWELD FILTER SCREEN, TOP FILTER SCREEN, INTERCEPTOR FILTER SCREEN, BOTTOM NUT SCREEN RETAINING FKM-F & FILTER VAT WELD ALF LPF LGF COVER, FILTER VAT LGF DECAL, VAT COVER SAFETY WARN S/S CRUMB BASKET WELD, FKF Figure 11. Outlet Box Assembly Table 11.
  • Page 49 Gas Pressure Fryer ITEM # PART # FT0235 FT0198 SV0004 FT0413 FT0414 FT0067 PV0001 LGFA228 FT0398 FT0404 FT0358 Figure 12. Solenoid Valve Assembly Table 12. Solenoid Valve Assembly Parts NIPPLE, 1/2 X C SS TEE, BRASS 1/2" CP VALVE, SOLENOID HV-214-761-2 120V...
  • Page 50 Gas Pressure Fryer Figure 13. Quick Disconnect Assembly (SB1997S) Table 13. Quick Disconnect Assembly (SB1997S) Parts ITEM # PART # B0996 FT0429 FT0500 FT0536* O0013 O0014 S0138 SCR4531* * - Not included with SB1997S BALL, 11/16" STEEL BEARING QUICK DISCONNECT, PUMP SIDE QUICK DISCONNECT, VAT SIDE COUPLING, 5/8 45¦...
  • Page 51 Gas Pressure Fryer ITEM # PART # MB19101000 FT0243 Figure 14. Drain Valve & Plugs (SB1999S) Table 14. Drain Valve & Plugs (SB1999S) Parts DRAIN VALVE REPLACEMENT PLUG, 3/8" SQ HEAD PIPE Replacement Parts DESCRIPTION...

  • Page 52: Accessories

    Gas Pressure Fryer Accessories Description BASKET, LGF HANDLE, TEE STYLE LIFT BRUSH, DRAIN (LONG WHITE) BRUSH, LONG #5702 BRUSH, POT SCRUBBER, WHITE BRUSH, SHORT #6175 RESTRAINT HOSE 72” GAS INSULATED MITT 13" Accessory # B0108B H0151 B0075 B0051 B0049 B0052...

  • Page 53: Components

    Gas Pressure Fryer Components Description ARM ADJUSTABLE STOP /FKM CASTER, 2470-DIK-075-R05/22 CASTER, 2477-DIK-075-R05/22 FILTER BAG CLIP FI0007 FILTER, FKM-F 13.5 X 20.5 THERMISTER PROBE, 6.85 X 1 Component # A0101 C0409 C0410 ST0015 FI0007 T0047 Figure 16. Components Replacement Parts...

  • Page 54: Wiring Diagrams

    Gas Pressure Fryer Refer to the table below to find the wiring diagram associated with your unit. Wiring Diagram LGF-F 120V/60HZ/1 Phase LGF-FC 120V/60HZ/1 Phase LGF-FC 220V/50HZ/1 Phase LGF-FC 220V/60HZ/1 Phase LGF-FC 240V/50HZ/1 Phase Wiring Diagrams Diagram # SB322901 LGFE1034...
  • Page 55 Gas Pressure Fryer Wiring Diagrams Figure 17. LGF-F 120V/60HZ/1 Phase...
  • Page 56 Gas Pressure Fryer Wiring Diagrams Figure 18. LGF-FC 120V/60HZ/1 Phase...
  • Page 57 Gas Pressure Fryer Wiring Diagrams Figure 19. LGF-FC 220V/50HZ/1 Phase...
  • Page 58 Gas Pressure Fryer Wiring Diagrams Figure 20. LGF-FC 220V/60HZ/1 Phase...
  • Page 59 Gas Pressure Fryer Wiring Diagrams 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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