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Service Manual

V U L C A N - H A R T C O M P A N Y , P . O . B O X 6 9 6 , L O U I S V I L L E , K Y 4 0 2 0 1 - 0 6 9 6 , T E L . ( 5 0 2 ) 7 7 8 - 2 7 9 1

FORM 31056 Rev. A (1-99)

MODEL 36L/VG36

GAS RESTAURANT RANGES

90 SERIES AND VG SERIES

MODEL

24L

ML-52947

48L

ML-52949

481L/LC

ML-52950

148L/LC

ML-52951

36L/LC

ML-52948

60L/LC/LCC

ML-52952

160L/LC

ML-52953

260L/LC/LCC

ML-52954

VG24

ML-114553

VG36

ML-114554

VG48

ML-114957

VG60

ML-114555

VG160

ML-114556

VG260

ML-114557

Содержание 148L

Страница 1: ...v A 1 99 MODEL 36L VG36 GAS RESTAURANT RANGES 90 SERIES AND VG SERIES MODEL 24L ML 52947 48L ML 52949 481L LC ML 52950 148L LC ML 52951 36L LC ML 52948 60L LC LCC ML 52952 160L LC ML 52953 260L LC LCC...

Страница 2: ...familiar with all precautions required and have complied with all requirements of state or local authorities having jurisdiction Reference in the United States of America National Fuel Gas Code ANSI...

Страница 3: ...THE LOCAL GAS COMPANY OR GAS SUPPLIER FOR SERVICE FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE WARNING IMPROPER INST...

Страница 4: ...es Convection Ovens will include only the following models 36LC 148LC 481LC 60LC 60LCC 160LC 260LC or 260LCC 60L 60LC 60LCC 260L 260LC 260LCC 160L 160LC 48L 148L 148LC 481L 481LC 24L 36L 36LC VG60 VG2...

Страница 5: ...TALLATION 23 25 STANDARD OVEN GRIDDLE THERMOSTAT REPLACEMENT 26 28 CONVECTION OVEN THERMOSTAT REPLACEMENT 29 STANDARD OVEN PILOT SAFETY VALVE CHECK REPLACEMENT 30 32 OVEN PILOT CHECK REPLACEMENT 33 TH...

Страница 6: ...diagrams service and parts manuals covering all Vulcan Hart equipment 3 For all field conversion service installation procedures refer to the codes and compliances outlined in the installation and ope...

Страница 7: ...sure rating and voltage ratings if applicable are correct for the unit and the installation site affected If not correct make required adjustments 2 Ensure that all unit and main gas and electrical su...

Страница 8: ...desired After adjustment has been made tighten the locknuts SERVICING SIMPLE CHECKS AND ADJUSTMENTS Cont Fig 1 2A 24L and 48L Oven Door J Bolt Assembly If the oven door is not closing properly the doo...

Страница 9: ...s adjustment access holes have been provided in the panel With screwdriver turn the adjustment screw of the pilot valve experiencing the pilot flame height problems Fig 3 Rotate the screw clockwise to...

Страница 10: ...d the volume of gas Whenever this balance is disturbed poor operating characteristics and excessive gas consumption will occur The gas mixer balance is controlled by an air shutter on the front of the...

Страница 11: ...r this unit gas type is sealed within a plastic bag attached to the oven rack inside the oven cavity This regulator must be field installed by a qualified installation service representative The insta...

Страница 12: ...upplied with every regulator to allow excess gas pressure to escape Do not obstruct leak limiter on gas pressure regulator as obstruction may cause regulator to malfunction WARNING PRIOR TO LIGHTING C...

Страница 13: ...ILOT LIGHTING AND ADJUSTMENTS Shown with old style burner knobs 3 If pilot fails to light turn main gas supply OFF Wait 5 minutes and repeat the above procedures 4 Turn one hot top or griddle top burn...

Страница 14: ...low OPEN TOP BURNER ADJUSTMENTS TOOLS REQUIRED Standard flat blade screwdriver 1 After pilot is lit turn open top burners ON 2 Adjust the burner flame if necessary by rotating the adjustment screw of...

Страница 15: ...taper Adjust pilot burner flame if necessary by rotating the pilot adjustment screw clockwise to decrease and counterclockwise to increase the burner flame The pilot adjustment valve is located on the...

Страница 16: ...1 Turn oven burner valve OFF 2 Turn main gas supply OFF CONVECTION SNORKEL OVEN 90 Series Only NOTE Perform open top griddle lighting instructions before lighting oven pilot 1 Open the unit kick panel...

Страница 17: ...sentative TOOLS REQUIRED Standard flat blade screwdriver All Restaurant Range series units equipped with pressure regulator and fixed orifices have been adjusted at the factory and should require no f...

Страница 18: ...screwdriver WARNING DO NOT USE BI METAL OR MERCURY THERMOMETERS WHEN TESTING FOOD EQUIPMENT OR PRODUCTS CHEMICALS WITHIN THESE INSTRUMENTS MAY BE TOXIC IF EXPOSED TO FOOD 1 Using a test instrument or...

Страница 19: ...Temperature Calibration TOOLS REQUIRED Thermometer test instrument not of bi metal or mercury type standard flat blade screwdriver WARNING DO NOT USE BI METAL OR MERCURY THERMOMETERS WHEN TESTING FOOD...

Страница 20: ...placed through the dial shaft push the metal dial insert out of the dial Fig 19 Fig 19 6 Replace the dial back onto the unit Turn the dial to the 400 F 204 4 C mark and light the oven burner 7 After...

Страница 21: ...0 Fig 21 12 Release the calibration screw and reinstall the dial insert 13 Set the dial to 450 F 232 C and recheck temperature reading as described in Steps 7 through 9 If calibration is not within 15...

Страница 22: ...ON and OFF several more times Check the oven temperature reading every 5 minutes until a reading of within 5 F in succession is obtained 3 Check successive reading against thermostat dial If temperat...

Страница 23: ...valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 45 k Pa In addition the appliance must be isolated fr...

Страница 24: ...ater Column propane gas turn two open top burners ON 4 Recheck the pressure reading The reading should not fluctuate more than 10 If reading is not within tolerance replace the regulator NOTE When the...

Страница 25: ...ckwise rotation decreases pressure After resetting the pressure to the correct setting reinstall the adjustment cap and remove the testing equipment REGULATOR INSTALLATION TOOLS REQUIRED Slip joint pl...

Страница 26: ...en and griddle STANDARD OVEN AND GRIDDLE THERMOSTAT REPLACEMENT TOOLS REQUIRED Pipe wrench 6 adjustable wrench 1 8 flat blade screwdriver 5 16 socket and socket wrench 1 Disconnect unit gas supply and...

Страница 27: ...he thermostat burner tubing Fig 31 8 Remove top burners if required to access the thermostat Fig 32 STANDARD OVEN GRIDDLE THERMOSTAT REPLACEMENT Cont Fig 31 Fig 32 Fig 30 4 From inside the oven straig...

Страница 28: ...ll the new thermostat by reversing Steps 1 through 9 above NOTE Do not kink the new capillary line when feeding it through the oven cavity The capillary wire may be wrapped loosely around the gas tube...

Страница 29: ...lary 4 Straighten the capillary end inside the oven cavity From the top burner area pull the capillary line from the oven cavity through the oven body top 5 Remove all control panel knobs 6 Remove 4 s...

Страница 30: ...FLOW METER REFER TO THE MANUFACTURER S INSTRUCTIONS PROVIDED IN THE FLOW METER KIT Fig 36 The meter should show signs of massive flow If flow is not found replace the thermostat and recheck gas flow...

Страница 31: ...place the thermocouple 6 If the MV reading is within tolerance the safety valve should be replaced SAFETY VALVE REPLACEMENT PROCEDURES TOOLS REQUIRED 7 16 open end wrench 11 16 open wrench and 3 8 ope...

Страница 32: ...t 3 Disconnect right and left hand pilot gas tubing from the safety valve Fig 39 4 Disconnect right and left hand burner gas tubing from the safety valve Fig 40 5 Remove safety valve from unit 6 Insta...

Страница 33: ...and 7 16 open end wrenchs 1 Disconnect unit from main gas supply and allow unit to cool 2 Remove oven bottom assembly see Fig 16 3 Disconnect pilot from gas tubing Fig 41 Fig 41 4 Remove 2 8 sheet met...

Страница 34: ...LE REPLACEMENT TOOLS REQUIRED 7 16 open end wrench 3 8 open end wrench 1 4 socket and socket driver 1 Disconnect unit from main gas supply 2 Remove 7 16 nut holding thermocouple to pilot bracket 3 Rem...

Страница 35: ...ch 1 Disconnect unit from gas and allow unit to cool 2 Follow steps listed under the replacement of the safety valve in order to access the oven burner nozzle 3 Remove burner nozzle 4 Remove orifice s...

Страница 36: ...d OVEN BURNER REPLACEMENT TOOLS REQUIRED 1 4 socket and socket driver 1 Disconnect unit from main gas supply and allow unit to cool 2 Remove burner strap down tie if applicable 3 Remove 2 8 sheet meta...

Страница 37: ...ckage is found clean pilot tip and replace or install new pilot tip 5 If blockage is not found but pilot appears to be malfunctioning check pilot tube and pilot adjustment valve for obstructions PILOT...

Страница 38: ...3 Remove and check valve and valve nozzle for obstructions and damage 4 Remove obstruction or if necessary replace nozzle or entire valve When reinstalling or if the installation of a new valve is req...

Страница 39: ...ewdriver is not available remove 2 screws securing micro switch housing to unit Fig 48 This will allow convenient access to the switch in order to use a standard size screwdriver 4 Using a screwdriver...

Страница 40: ...of 115 volts If the unit under test is operating on a different line voltage i e 220 volts use that value in place of 115 volts Condition I With door open door switch disengaged and power ON voltage...

Страница 41: ...not turning then most likely the motor is bad and must be replaced B If the voltage meter is reading 120 volts and the motor is not running the door switch is malfunctioning and should be replaced MI...

Страница 42: ...16 socket 5 16 socket socket driver 5 16 open end wrench and standard blade screwdriver WARNING DISCONNECT ELECTRICAL POWER SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH TO INDICATE YOU ARE WORKING...

Страница 43: ...CK REPLACEMENT Cont Fig 53 5 To easily access fan rotor and motor remove snorkel tube from oven cavity 6 From inside the oven cavity remove 4 1 4 20 hex head nuts from the fan wheel cover located on t...

Страница 44: ...curing motor mount plate to rear oven cavity Fig 55 11 Disconnect conduit wire connector from motor assembly Fig 59 9 Pull motor assembly forward through oven cavity and away from rear cavity wall Fig...

Страница 45: ...with new motor To remove fan wheel loosen 2 large stud type nuts on rotor hub using a 5 16 open end wrench Fig 60 Pull fan rotor wheel from motor assembly CAUTION The motor hub is snugly fitted to th...

Страница 46: ...n this manual If the above conditions have all been met check the solenoid Fig 62 using a voltage meter for supply voltage at the connector points of wires 24 and 26 refer to unit wiring diagram locat...

Страница 47: ...accessible work area 2 Leave unit in place and remove motor from inside the oven cavity refer to MOTOR REPLACEMENT section Page 42 With the motor accessed remove motor junction box cover Fig 63 Fig 63...

Страница 48: ...E This procedure should be done only after the checks for the thermostat connector pin and centrifugal switch have been performed NOTE Replacement solenoids come with only one plug The other plug must...

Страница 49: ...49 REMOVAL OF CONVECTION OVEN SOLENOID Cont Fig 66 Fig 68 Fig 67...

Страница 50: ...ID Cont 3 Disconnect pilot tubing at tee fitting Fig 69 Fig 69 Fig 70 4 Disconnect pilot tubing at safety valve Fig 70 5 Disconnect solenoid wire leads Fig 71 6 Disengage safety valve assembly from th...

Страница 51: ...51 REMOVAL OF CONVECTION OVEN SOLENOID Cont Fig 73 8 Install new solenoid by reversing steps 1 through 7 7 Disengage solenoid and safety valve and remove old solenoid from the safety valve Fig 73...

Страница 52: ...52 NOTES FORM 31056 Rev A 1 99 PRINTED IN U S A...

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