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Cobra cf4, Руководство по обслуживанию

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9 

Service Contacts 

28 

Moffat Cobra Series - CF4 

© 

Moffat Ltd, August 2012 

Amendment 4 

United Kingdom 

 
 BLUESEAL 

LTD 

 Units 

67 

 

Gravely Industrial Park 

 

Tel 0121 327 5575 

 

Gravely Park, Erdington 

 

  Fax 0121 327 9711 

 

Birmingham B24 8TQ 

 England 
 
 

 

 

United States of America 

 
 MOFFAT 

INC. 

 

3765 Champion Blvd 

 

Winston-Salem 

 

  Tel 1800 551 8795 

 

NC27115 

 

  Fax 336 661 9546 

 

 
 

NATIONAL COVERAGE FOR SERVICE OR MAINTENANCE 

DIAL FREE CALL 1800 551 8795 (USA ONLY)

 

Содержание cf4

Страница 1: ...Moffat Cobra Series CF4 Moffat Ltd August 2012 Amendment 4 Service Manual Gas Fryer Model CF4 ...

Страница 2: ...H READ THE INSTALLATION OPERATING AND MAINTENANCE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR SERVICING THIS APPLIANCE This manual is designed to take a more in depth look at the Cobra Series CF4 Gas Fryer for the purpose of making the unit more understandable to service people There are settings explained in this manual that should never require adjustment but for completeness and those special ...

Страница 3: ...ntrols 4 Maintenance 7 Cobra Gas Fryer Maintenance Schedule 5 Fault Finding Guide 8 5 1 Fault Finding Chart 5 2 Fault Diagnosis 6 Service Procedures 13 6 1 Access 6 2 Replacement 6 3 Adjustment Calibration 7 Exploded Parts Lists 23 7 1 CF4 Fryer 8 Circuit Schematics 26 9 Service Contacts 27 Appendix A Gas Type Conversion 29 Appendix B Equipment Design Changes 33 Contents ...

Страница 4: ...Moffat Cobra Series CF4 Moffat Ltd August 2012 Amendment 4 ...

Страница 5: ...1 1 Specifications Moffat Cobra Series CF4 Moffat Ltd August 2012 Amendment 4 External Dimensions CF4 Dimensions shown in millimetres Legend Gas connection entry point BSP male ...

Страница 6: ...ressure 20 mbar 37 mbar Burner Operating Pressure 8 6 mbar 26 4 mbar Gas Connection 3 4 BSP Male 2 33 m3 hr Natural Gas LP Gas Propane Town Gas Main Burner Injectors Ø 3 00mm Ø 1 80mm Ø 6 30mm Pilot Burner Injectors 0 62 0 35 0 75 Pilot Screw Adjustment Fully Out c c w Fully Out c c w Fully Out c c w Low Fire Screw Adjustment Fully Out c c w Flush with casing Fully Out c c w Flush with casing Full...

Страница 7: ...on is correct before use Installation shall comply with local gas health and safety requirements This appliance shall be installed with sufficient ventilation to prevent the occurrence of unacceptable concentrations of health harmful substances in the room the appliance is installed in Blue Seal FAST FRI gas fryers are designed to provide years of satisfactory service and correct installation is e...

Страница 8: ...nd level This should be carried out on completion of the gas connection Refer to the Gas Connection section Gas Connection NOTE ALL GAS FITTING MUST ONLY BE CARRIED OUT BY A QUALIFIED SERVICE PERSON 1 COBRA Model Fryers do not require an electrical connection they function totally on the gas supply only 2 It is essential that the gas supply is correct for the appliance to be installed and that ade...

Страница 9: ...ng the Tank in the Operation Section of the Manual and setting the thermostat to 180 C Light the pilot burners and turn on the main burners in accordance with Operation Instructions found in this manual c The calibration of the thermostat should be checked once the oil is up to temperature If a discrepancy is found the thermostat calibration should be referred to the supplier d Ensure that each op...

Страница 10: ...have been designed to provide simplicity of operation and 100 safety protection Improper operation is therefore almost impossible however bad operation practices can reduce the oil shortening life and produce a poor quality product To operate this fryer correctly please read the Installation and Operation Manual supplied with the Fryer CF4 Single Tank Controls CAUTION This appliance is for profess...

Страница 11: ...rner ports light Clear any blockages if any 5a Inspect thermocouples 5b Replace thermocouples every 12 months 6 Check injectors are clean and free from blockages 7 Check for tightness of gas connections 8 Check for gas leaks 9 Check the pilot ignition functions correctly 10 Check the thermostat calibration Service Comments Additional work repairs required Customers approval Name print Title Custom...

Страница 12: ...ntrol valve faulty Flame failure valve faulty Hold control in for longer 10 secs see if pilot will stay lit Correct fault Replace thermocouple Refer Section 6 2 2 Replace over temperature thermostat Refer Section 6 2 5 Replace gas control magnet Replace flame failure magnet Pilot flame small Gas pressure too low Pilot adjustment screw out of adjustment Pilot injector restricted Check gas supply pr...

Страница 13: ...d fryer from excessive breeze Replace thermocouple Refer Section 6 2 1 6 2 2 Replace Refer Section 6 2 5 Replace gas control magnet Replace flame failure magnet Main burners will not light Incorrect supply pressure Wrong size or blocked injectors Small pilot flame Refer Fault Pilot Flame too Small Faulty gas control Check supply correct pressure Replace clean injectors Refer Section 6 2 6 Correct ...

Страница 14: ...at out of calibration Placing food into oil too soon Too large a load Supply correct pressure Recalibrate thermostat Refer Section 6 3 2 Give the fryer more time to come up to temperature before inserting food Reduced load size will allow the fryer to recover temperature quick er Oil too hot Thermostat out of calibration Re calibrate thermostat Refer Section 6 3 2 ...

Страница 15: ...crew below the control knob on the gas control If the pilot flame is still too small remove the pilot injector from the pilot burner and check for correct pilot injector size and blockage of the pilot injector Thermocouple Faulty Check thermocouple connections are secure and that the over temperature lead connection to the interrupter block on the thermocouple is secure loose connections will caus...

Страница 16: ...vertemp should have tripped open circuit and cannot be reset until the temperature has dropped below 192 C If the oil temperature is below 180 C and the over temp still cannot be reset the overtemp is faulty Overtemp Faulty To check if the overtemp is faulty hold In the gas control ignition button and manually light the pilot burners Holding the control button depressed to keep the pilot alight Us...

Страница 17: ...ure Safety Thermostat 15 6 2 6 Main Burner Injector 16 6 2 7 Main Burners 16 6 2 8 Gas Valve Removal 18 6 2 9 Gas Valve Re Fitting 19 6 2 10 Flame Failure Valve 20 6 3 Adjustment Calibration 21 6 3 1 Pilot Flame Adjustment 21 6 3 2 Thermostat Calibration 21 6 3 3 Operating Pressure 22 WARNING ALL INSTALLATIONAND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY ENSURE GAS SUPPLY IS...

Страница 18: ...er block to the overtemp 4 Replace thermocouple and reconnect When screwing thermocouple back into gas control once thread has tightened up tighten another turn only Do not over tighten 1 Remove 2 screws from the underside of the fascia panel The panel can now be lifted off and removed 2 Remove the 4 screws from either side of the controller panel The controller panel can now be removed Facia Scre...

Страница 19: ...nections 6 2 3 Pilot Injector 1 Disconnect pilot supply tube from pilot burner and tee by unscrewing nuts and olive 2 Remove pilot injector and clean or replace pilot injector as necessary NOTE Ensure that the correct size injector is used Refer to the Specifications section 3 Re assemble in reverse order Disconnect Thermocouple Here Figure 6 2 5a Figure 6 2 3 Disconnect Pilot Supply Tube here 1 D...

Страница 20: ...ize of injectors are re fitted Refer to the Specifications section 6 2 6 Main Burner Injector Figure 6 2 6 Main Injector 6 2 7 Main Burners 1 Disconnect the pipe from the gas valve to the main injector 2 Unscrew the 2 screws securing main injector bracket to the front of burner and remove bracket with main injector and gas pipe still fitted 3 Slacken gas pipe from flame failure valve to the pilot ...

Страница 21: ... To fit the burner box underside panel push up the rear of the burner box panel until it locates on the rear support bracket within the burner box 12 Locate the corner support bracket If the burn er is correctly fitted the corner support bracket will align with the screw securing holes secure the corner support bracket in place with 4 screws If corner panel will not align check the burner is locat...

Страница 22: ... block on the gas control valve thermocouple to the overtemp at the over temp connections 5 Disconnect the gas pipe from the gas valve to the left hand main burner and remove the gas pipe 6 Disconnect the gas pipe from the gas valve to the right hand main burner and remove the gas pipe 7 Disconnect the gas pipe from the flame failure valve to the pilot assembly at the flame failure end 8 Disconnec...

Страница 23: ...the replacement gas control valve Figure 6 2 8f Disconnect Thermocouple here Figure 6 2 8g Remove 2 Screws and Support Gas Valve Thermostat Capillary and Bulb Alternatively Cut here to remove Figure 6 2 8h 1 Fit the brass inlet connection and the outlet T connection removed from the old gas control valve to the replacement gas control valve NOTE Ensure that the gas thread connections are re sealed...

Страница 24: ...facia panel and secure with 2 screws Figure 6 2 9c Connect LH Burner Gas Pipe here and here Figure 6 2 9d Re connect Thermocouple here Figure 6 2 9e Re connect Overtemp Leads here Figure 6 2 9f Gas Valve Securing Screws Ensure Control Knob sits central in Panel Cut Out 6 2 10 Flame Failure Valve Replacing the Flame Failure Valve 1 Remove the front fascia panel refer 6 1 1 2 Remove the controller p...

Страница 25: ...st only be carried out by an authorised gas fitter NOTE With the control knob turned to 190 the thermostat should not be calibrated to a temperature greater than 190 C Higher calibration temperatures could damage the thermostat permanently To Check the Fryer Calibration 1 Fill fryer with oil Light the pilot burners and turn on main burners With temperature probe in the oil run burners until oil te...

Страница 26: ...OTE The regulator supplied for Nat Gas LPG Butane is convertible between Natural Gas and LPG but it s outlet pressure is fixed ex factory and is NOT to be adjusted Town Gas Regulator the operating pressure can be adjusted at the regulator 1 To check the operating pressure unscrew the operating pressure test point on the gas control valve 2 Fit a manometer pressure meter to the test point 3 Light t...

Страница 27: ...COBRA D 6 230613 BASKET HANGER COBRA D 7 228899 SPLASHGUARD RH OPTIONAL EXTRA D 8 025566 HANGER STUD C 041448 SCREW M5x12 CSK PHIL HD ST ST C 044018 NUT M5 HEX S S GLENLOCH LOCKNUT D 9 230117 LID 400 FRYER c w HANDLE D 015279 HANDLE PART OF ITEM 9 D 10 228600 JOINING CAP JOINS TWO FRYERS OPTIONAL EXTRA D 11 229842 HOB FRONT WA D 12 230507 CONTROL PANEL D 13 230587 NAME PLATE COBRA D 14 230714 FRYE...

Страница 28: ...o Description RPL 16 018019 FRYER BASKET STANDARD C 17 230461 BASKET GRID 400mm 1 PAN GAS D 18 227856 MAGNETIC CATCH 02 10 201 10 C 19 019390 BALL VALVE 1 D 20 230577 LEG PLATE D 21 234059 LEG ASSY 150mm ST ST D 22 230116 DRAIN EXTENSION C 23 229674 REAR ROLLER ASSY D 24 229671 LEG RING PLATE THREADED D 235281 THERMOSTAT BULB GUARD NOT ILLUSTRATED C 018176 DRAIN STICK NOT ILLUSTRATED OPTIONAL EXTR...

Страница 29: ... 230442 ADAPTOR BSP x M9 OVERTEMP D 35 229969 OVERTEMP 220C MILLIVOLT A 36 230319 FLEXTUBE 12 x OD ST ST D 018097 NUT AND OLIVE COMBINED D 37 231587 MINISIT 110 190C KIT INCLUDES ITEM 38 A 38 230715 LABEL TEMPERATURE CONTROL COBRA 110 190 C 39 019237 FLAME FAILURE VALVE M1A HP B 017744 MAGNET FOR FLAME FAILURE VALVE PART OF ITEM 39 B 40 021965 LABEL RESET D 41 236265 THERMOCOUPLE INT LEADED A 42 2...

Страница 30: ...8 Circuit Schematics 26 Moffat Cobra Series CF4 Moffat Ltd August 2012 Amendment 4 9 1 CF4 Fryer Schematic ...

Страница 31: ...are Parts Free Call 1800 337 963 Fax 03 9518 3895 WESTERN AUSTRALIA MOFFAT PTY 67 Howe St Tel 08 9202 6820 Osbourne Park WA 6017 Fax 08 9202 6836 Spare Parts Free Call 1800 337 963 Fax 03 9518 3895 NATIONAL COVERAGE FOR 24 HOUR SERVICE OR MAINTENANCE DIAL FREE CALL 1800 622 216 AUSTRALIA ONLY Canada SERVE CANADA 22 Ashwarren Rd Tel 416 631 0601 Downview Fax 416 631 0315 Ontario M3J1Z5 New Zealand ...

Страница 32: ...nits 67 Gravely Industrial Park Tel 0121 327 5575 Gravely Park Erdington Fax 0121 327 9711 Birmingham B24 8TQ England United States of America MOFFAT INC 3765 Champion Blvd Winston Salem Tel 1800 551 8795 NC27115 Fax 336 661 9546 NATIONAL COVERAGE FOR SERVICE OR MAINTENANCE DIAL FREE CALL 1800 551 8795 USA ONLY ...

Страница 33: ...ne Pressure on the gas control valve located on the underside of the valve Turn on the gas supply and ensure that the pressure is within the specification shown in the Gas Specifications Table at the rear of this section CAUTION Ensure that the Unit is isolated from the gas supply before commencing servicing Inlet Pressure Test Point Outlet Pressure Test Point Main Burner Injectors 1 Unscrew and r...

Страница 34: ...of the pin once re fitted to the cap 4 Screw the cap back into the regulator Town Gas Only 1 Unscrew and remove the slotted cap from the regulator 2 Turn on the gas supply and the appliance 3 Adjust the pressure adjusting nut to achieve the correct burner operating pressure NOTE The operating pressure to be measured at the manifold test point and with both burners operating at the High Flame setti...

Страница 35: ...ivalent that meets the following requirements Gas Type Identification Label On completion of the gas conversion replace the gas type identification label located at The rear of the appliance above the gas connection Beside the Rating Plate WARNING DO NOT USE A NAKED FLAME TO CHECK FOR GAS LEAKAGES Class Max Working Pressure at 23 2ºC Working Tem perature Range Resistance to Oil B 7 0 kPa 20ºC to 1...

Страница 36: ...ropane G31 Main Burner Injectors Ø 3 00mm Ø 1 80mm Pilot Burner Injectors 0 62 0 35 Pilot Screw Adjustment Fully Out c c w Fully Out c c w Low Fire Screw Adjustment Fully Out c c w Flush with casing Fully Out c c w Flush with casing Burner Operating Pressure 8 6 mbar 26 4 mbar Supply Pressure 20 mbar 37 mbar Natural Gas LP Gas Propane Town Gas Main Burner Injectors Ø 3 00mm Ø 1 80mm Ø 6 30mm Pilot...

Страница 37: ...B Appendix B Equipment Design Changes 33 Moffat Cobra Series CF4 Moffat Ltd August 2012 Amendment 4 Change Info Lot No Equip Ser No Description of Change Date Equipment Design Changes ...

Страница 38: ......

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