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BKI LGF Service Manual

Gas pressure fryer
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Download this manual See also: Service Manual, Operation & Installation Manual
Gas Pressure Fryer
MODELS LGF, LGF-F, & LGF-FC
Service Manual
Serial Numbers 126732 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 126732 and higher...
  • Page 2 Warranty Information 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 Maintenance ................................11 Scheduled Maintenance............................11 Safety Pop Valve Procedure........................... 12 Filtering Procedure............................13 LGF-F and LGF-FC ............................ 13 LGF................................14 Boil-Out Procedure ............................15 Filter Pad Replacement ..........................17 Troubleshooting..............................18 Replacement Parts ..............................19 Assemblies ................................

  • Page 4: Introduction

    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. Attention to the operating instructions regarding proper installation, operation, and maintenance will result in long lasting dependability to insure the highest profitable return on your investment.

  • Page 5: Specific Precautions

    Introduction 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

    Gas Pressure Fryer Introduction Safe Work Practices Do Not Store Or Use Anything Flammable Near The Fryer Your pressure fryer is powered by either natural gas or LP gas. Do not store or use gasoline or any flammable liquids or vapors near this or any other appliance.
  • Page 7 Gas Pressure Fryer Introduction Keep The Floor Around Your Fryer Clean Of Shortening 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 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. Always wear non-skid shoes when working around the fryer or any other equipment that uses shortening.
  • Page 9 Gas Pressure Fryer Introduction 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.
  • Page 10 Gas Pressure Fryer Introduction Be Prepared for Emergencies Be prepared for fires, injuries, or other emergencies. Keep a first aid kit and a fire extinguisher near the equipment. You must use a 40-pound Type BC fire extinguisher and keep it within 25 feet of your equipment.

  • Page 11: Safety Labels

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

  • Page 13: Maintenance

    Your fryer will need periodic maintenance and servicing. We strongly suggest that you use only a service company that is authorized by BKI to do this work. The restraining device must always be connected when the appliance is in service.

  • Page 14: Safety Pop Valve Procedure

    Gas Pressure Fryer Maintenance Safety Pop Valve Procedure The safety pop valve should be blown under pressure periodically to prevent the seat from sticking. Failure to use the insulated mitts will result in injury. Always use the insulated mitts when handling the arm on the safety valve.

  • Page 15: Filtering Procedure

    If the pump motor automatically shuts off while filtering, place the FILTER/OFF/FRY switch in the OFF position, wait 15 minutes, press the pump motor reset button, then follow the appropriate refill procedure below. LGF-F and LGF-FC 1. Set the FILTER/OFF/FRY switch to OFF. 2. Remove the fryer basket.

  • Page 16: Lgf

    Gas Pressure Fryer Maintenance To refill the pot through the rinse hose, use the steps below: • Make certain that the rinse hose is connected to rinse hose connector. • Holding the hose by the handle, place hose nozzle inside the pot. Hot shortening may splash out of the pot causing severe injury when filling the pot if the lid is not held down over the hose nozzle.

  • Page 17: Boil-Out Procedure

    Gas Pressure Fryer Maintenance • Position the FILTER/OFF/FRY switch to FILTER and shortening will automatically pump into the pot. • After 1 minute carefully open the lid to check the level of the shortening. • Let the filter continue to pump the shortening until the fill mark in the fryer pot is reached or until air starts bubbling through the shortening.
  • Page 18 5. Wash down the inside of the pot and lid with the pot brush to loosen the sediment. 6. Set the temperature of the solution as follows: • For an LGF or LGF-F – Position the FILTER/OFF/FRY switch to ON. Set the thermostat to a temperature of 190º F. •...

  • Page 19: Filter Pad Replacement

    Gas Pressure Fryer Maintenance Filter Pad Replacement The filter pad must be replaced daily. If the shortening has a milky color when it is pumped into the pot, the filter pad should be replaced immediately. If the filter pad is not properly closed, breading crumbs will get through the pad opening and clog the pump.

  • Page 20: Troubleshooting

    Possible Solution Dead Weight Valve Leaking Clean the weight and orifice. If problems Pressure Loss or Not Releasing Pressure persist, contact an authorized BKI service agent for corrective action. Lid Gasket Leaking Contact an authorized BKI service agent for corrective action.

  • Page 21: Replacement Parts

    Replacement Parts Replacement Parts Use the information in this section to identify replacement parts. To order replacement parts, call your local BKI sales and service representative. Before calling, please note the serial number, model number and voltage on the rating tag affixed to the unit.
  • Page 22 Gas Pressure Fryer Replacement Parts Figure 1. Lid/Arm Assembly, AN3211350S (Sheet 1 of 4)
  • Page 23 Gas Pressure Fryer Replacement Parts Figure 1. Lid/Arm Assembly, AN3211350S (Sheet 2 of 4)
  • Page 24 Gas Pressure Fryer Replacement Parts Figure 1. Lid/Arm Assembly, AN3211350S (Sheet 3 of 4)
  • Page 25 Gas Pressure Fryer Replacement Parts Figure 1. Lid/Arm Assembly, AN3211350S (Sheet 4 of 4)
  • Page 26 SCREW, 1/4-20 X 1/2 FLAT HD SCR259 SCREW, 1/4-20 X 1/2 PHIL RD HD TB0020 BUSHING, BRONZE 1" H0156 HANDLE SIDE FOR H0155 FKM LPF LGF WSH045 WASHER, 5/16 LOCK ZINC PLTD WSH102 WASHER, 1/4 INT LOCK FT0407 PLUG, HOLE 3/8" SHORT PRONG...
  • Page 27 Gas Pressure Fryer Replacement Parts Figure 2. Dead Weight & Pressure Gauge Assembly...
  • Page 28 WEIGHT, VALVE FKM 12# O0001 ORIFICE, SS FT0414 NIPPLE, 1/2 X 3 3/4 SS SCH 80 B0965 BODY, DEAD WEIGHT VALVE LGF SS FT0232 NIPPLE, 1/2 X 2 SS 304 FT0234 NIPPLE, 1/4 X 1 1/2 SS 304 FT0190 ELL, STREET 1/4 90 DEG CP...
  • Page 29 Gas Pressure Fryer Replacement Parts Figure 3. Drain/Motor/Piping Assembly...
  • Page 30 NUT, 6-32 S/S 18-8 NYLON LGFA240 COVER, MICROSWITCH S0054 SWITCH, MICRO BZ-2RW822-A2 WLGFA348 HANDLE PLATE WELD N0270 DECAL, DRAIN SUPPORT PLATE LGF SCR326 SCREW, 6-32 X 1-3/4 SLTD RD HD H0216 HANDLE, DRAIN VALVE C0672 COVER, DRAIN HANDLE RED LGFA192...
  • Page 31 Gas Pressure Fryer Replacement Parts Figure 4. Burner Tray Assembly...
  • Page 32 LGFA233 BURNER TRAY FRONT W/SLOT LGFA323 PILOT BRKT, HOT SURFACE IGNITION ML0064 S/S TUBING 304 1/4 DIA CORRUG.18" SB3346 MANIFOLD ASSY, LGF LP NO DWG LGFA052 BURNER ORIFICE, LP O0005 MN0001 MANIFOLD, GAS SUPPLY SB3468 BURNER TRAY, REAR WELD LGF...
  • Page 33 Gas Pressure Fryer Replacement Parts Figure 5. Control/Insulation Panel LGF & LGF-F...
  • Page 34 Gas Pressure Fryer Replacement Parts Table 5. Control/Insulation Panel LGF & LGF-F Parts ITEM # PART # DESCRIPTION B1050 BEZEL, ROBERTSHAW THERMOSTAT F0097 FUSE, 15A 300V SC15 TIME DELAY FH0001 FUSE HOLDER, 15A 300V HPF-EE K0030 KNOB, T-STAT BLK 400DEG...
  • Page 35 Gas Pressure Fryer Replacement Parts Figure 6. Control/Insulation Panel LGF -FC...
  • Page 36 Gas Pressure Fryer Replacement Parts Table 6. Control/Insulation Panel LGF -FC Parts ITEM # PART # DESCRIPTION CP0039 CONTROLLER, VFD LESS HARNESS N0404 DECAL, CONTROL LGFFC COMPUTER R0044 RELAY, X-40, SGL FRYER S0104 SWITCH, RKR DPDT 15A 250V LAMP T0024...
  • Page 37 Gas Pressure Fryer Replacement Parts Figure 7. Door Assembly W/Pocket (SB3290)
  • Page 38 N0176 DECAL, INSTR & SAFETY MANUAL N0181 DECAL, USE ONLY ON NON-COMBUST N0319 DECAL, RESTRAIN DEVICE FR/CAN N0346 DECAL, LGF RESTRAINING WARNING N0350 DECAL, GAS WARNING LGF P0022 HANDLE, PULL SS P60-1010 RIV172 RIVET, 1/8 X 1/4 CS PLT POP...
  • Page 39 Gas Pressure Fryer Replacement Parts Figure 8. Oil Vat Assembly (AN32112800)
  • Page 40 FS0002 FILTER SCREEN, INTERCEPTOR FS0001 FILTER SCREEN, BOTTOM FC0004 NUT SCREEN RETAINING FKM-F & WB32112600 FILTER VAT WELD ALF LPF LGF FB32112702 COVER, FILTER VAT LGF N0395 DECAL, VAT COVER SAFETY WARN SB2306 S/S CRUMB BASKET WELD, FKF Figure 9. Outlet Box Assembly Table 9.
  • Page 41 Gas Pressure Fryer Replacement Parts Figure 10. Solenoid Valve Assembly Table 10. Solenoid Valve Assembly Parts ITEM # PART # DESCRIPTION FT0235 NIPPLE, 1/2 X C SS FT0198 TEE, BRASS 1/2" CP SV0004 VALVE, SOLENOID HV-214-761-2 120V FT0413 NIPPLE, 1/2 X 1 3/4 SS FT0414 NIPPLE, 1/2 X 3 3/4 SS FT0067...
  • Page 42 Gas Pressure Fryer Replacement Parts Figure 11. Quick Disconnect Assembly (SB1997S) Table 11. Quick Disconnect Assembly (SB1997S) Parts ITEM # PART # DESCRIPTION B0996 BALL, 11/16" STEEL BEARING FT0429 QUICK DISCONNECT, PUMP SIDE FT0500 QUICK DISCONNECT, VAT SIDE FT0536* COUPLING, 5/8 45¦ FLARE TO O0013 O-RING, FLUOROCARBON V680-70 O0014...
  • Page 43 Gas Pressure Fryer Replacement Parts Figure 12. Drain Valve & Plugs (SB1999S) Table 12. Drain Valve & Plugs (SB1999S) Parts ITEM # PART # DESCRIPTION MB19101000 DRAIN VALVE REPLACEMENT FT0243 PLUG, 3/8" SQ HEAD PIPE...

  • Page 44: Accessories

    Gas Pressure Fryer Replacement Parts Accessories Description Accessory # Figure # Item # BASKET, LGF B0108B Figure 13 HANDLE, TEE STYLE LIFT H0151 Figure 13 BRUSH, DRAIN (LONG WHITE) B0075 Figure 13 BRUSH, LONG #5702 B0051 Figure 13 BRUSH, POT SCRUBBER, WHITE...

  • Page 45: Components

    Gas Pressure Fryer Replacement Parts Components Description Component # Figure # Item # ARM ADJUSTABLE STOP /FKM A0101 Figure 14 CASTER, 2470-DIK-075-R05/22 C0409 Figure 14 CASTER, 2477-DIK-075-R05/22 C0410 Figure 14 FILTER BAG CLIP FI0007 ST0015 Figure 14 FILTER, FKM-F 13.5 X 20.5 FI0007 Figure 14 THERMISTER PROBE, 6.85 X 1...

  • Page 46: Wiring Diagrams

    Wiring Diagrams Wiring Diagrams Refer to the table below to find the wiring diagram associated with your unit. Wiring Diagram Diagram # Figure # Page # LGF-F 120V/60HZ/1 Phase LGFE1033 Figure 15 LGF-F 220V/240V/50HZ/1 Phase LGFE1045 Figure 16 LGF-F 220V/50HZ/1 Phase...
  • Page 47 Gas Pressure Fryer Wiring Diagrams Figure 15. LGF-F 120V/60HZ/1 Phase...
  • Page 48 Gas Pressure Fryer Wiring Diagrams Figure 16. LGF-F 220V/240V/50HZ/1 Phase...
  • Page 49 Gas Pressure Fryer Wiring Diagrams Figure 17. LGF-F 220V/50HZ/1 Phase...
  • Page 50 Gas Pressure Fryer Wiring Diagrams Figure 18. LGF-F 220V/60HZ/1 Phase...
  • Page 51 Gas Pressure Fryer Wiring Diagrams Figure 19. LGF-F 240V/50HZ/1 Phase...
  • Page 52 Gas Pressure Fryer Wiring Diagrams Figure 20. LGF-FC 120V/60HZ/1 Phase...
  • Page 53 Gas Pressure Fryer Wiring Diagrams Figure 21. LGF-FC 220V/50HZ/1 Phase...
  • Page 54 Gas Pressure Fryer Wiring Diagrams Figure 22. LGF-FC 220V/60HZ/1 Phase...
  • Page 55 Gas Pressure Fryer Wiring Diagrams Figure 23. LGF-FC 240V/50HZ/1 Phase...
  • Page 56 P.O. Box 80400, Simpsonville, S.C. 29680-0400, USA http://www.bkideas.com Made and printed in the U.S.A LI0196/0307...

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