Vulcan-Hart VC6ES, VCIEC, VC6ED, VC6EC, VC4ES, VC4ED Door Switch, Service Procedures and Adjustments

Page 11

FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS

1)Reverse procedure to install and adjust blower position as outlined under "BLOWER ADJUSTMENT" in

"SERVICE PROCEDURES AND ADJUSTMENTS".

B.Motor - perform step 3A and continue procedure.

4.Remove the nuts that secure the motor mounting plate to the rear wall.

10.Reconnect lead wires at the motor, replace conduit and junction box cover.

NOTE: Check data plate on motor for wiring schematic. The motor must rotate clockwise when viewed from the shaft end.

5.Place a piece of cardboard on the bottom of the oven cavity to protect its surface from any damage during motor assembly removal.

6.Pull the motor assembly into the oven cavity and place it on the cardboard.

7.Remove the junction box cover from the motor, disconnect lead wires and remove the conduit.

8.Remove motor mounting bolts and flat washers then lift the motor from the mounting plate.

9.Position the replacement motor on the motor mounting plate and install mounting bolts and washers. Hand tighten mounting bolts only.

11.Slide blower onto motor shaft until hub is flush with end of shaft then tighten set screws.

12.Adjust motor position until blower is parallel to motor mounting plate as outlined under "BLOWER ADJUSTMENT" in "SERVICE PROCEDURES AND ADJUSTMENTS".

13.Position motor mounting plate on the rear wall and secure with nuts and washers.

14.Replace the baffle panel.

15.Remove cardboard from the bottom of the oven cavity.

16.Check oven for proper operation then replace rack guides and racks.

DOOR SWITCH

WARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AT THE MAIN CIRCUIT BOX. PLACE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

1.Remove the top front cover as outlined under

"COVERS AND PANELS".

2.Disconnect the lead wires to the door switch.

3.Remove the switch.

Page 11 of 60		F25105 (December 2001)

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Contents VC4ED Shown VC4E & VC6E SeriesTable of Contents Full Size Electric Convection Ovens General VC6ES VC6ED VC6EC SpecificationsVC4ES VC4ED VC4EC Covers and Panels Removal and Replacement of PartsCovers and Panels Control Panel ComponentsLeft Side Panel Removable ComponentsComponent Panel Components Temperature Probe Solid State ControlHeating Elements Front AccessLeft Side Elements Shown Alternate AccessBlower and Motor Service Procedures and Adjustments Door SwitchOven Doors and Bearings Independent Doors Door WindowOven Doors Simultaneous Doors Assembly RemovalMechanical KX Thermostat Door Catch Roller Assembly Independent DoorsDisassembly Assembly RemovalLamp Lamp AssemblyHigh Limit Thermostat Interior LightsCooling FAN Solid State Temperature Control Calibration Service Procedures and AdjustmentsMechanical KX Thermostat Calibration Temperature Probe Test Solid State Control Solid State Temperature Control TestTroubleshooting 208 240 480 Temp F OhmsAmps PER Voltage KW PER Element Ohms PER Lead Blower Adjustment Door Catch Roller Adjustment Independent Doors Door AdjustmentIntroduction Door Switch AdjustmentProcedure Operation Setup modeComputer Control Solid State Relay Test Alternating onMenu Display Parameter Data Probe TestComputer Control Operational Test Computer Control Temperature CalibrationKEY Code CalyHEY Restore Factory Settings 1CON & 2CON Electrical OperationComponent Function SSR1 & SSR2Component Location Mechanical Temperature ControlFull Size Electric Convection Ovens Electrical Operation Full Size Electric Convection Ovens Electrical Operation VC4EC/6EC Plug, Socket and Components Cook & Hold Standard VC4ES, VC6ES with Mechanical KX Thermostat VC4ED, VC6ED with Solid State Temperature ControlSequence of Operation Cook CycleVC4EC, VC6EC Computer Control Timer Cycle, Cooking KX Thermostat or Solid State ControlCool Down Cycle KX Thermostat or Solid State Control Cool Down Cycle Temperature and Time Cycle CookingCook and Hold Cycle VC4ES, VC6ES with Mechanical KX Controls SchematicsVC4ES, VC6ES with Mechanical KX Controls VC4ED, VC6ED with Solid State Temperature Control VC4ED, VC6ED with Solid State Temperature Control Full Size Electric Convection Ovens Electrical Operation VC4EC, VC6EC Computer Control, 480V Roast & Hold Standard This page Purposely Left Blank VC4ES, VC6ES with Mechanical KX Control Wiring DiagramsFull Size Electric Convection Ovens Electrical Operation VC4ES, VC6ES with Mechanical KX Control Full Size Electric Convection Ovens Electrical Operation VC4ED, VC6ED with Solid State Temperature Control Full Size Electric Convection Ovens Electrical Operation VC4ED, VC6ED with Solid State Temperature Control Full Size Electric Convection Ovens Electrical Operation Full Size Electric Convection Ovens Electrical Operation Full Size Electric Convection Ovens Electrical Operation VC4EC, VC6EC Computer Control, 480V Roast & Hold Standard Full Size Electric Convection Ovens Electrical Operation ALL Models TroubleshootingFull Size Electric Convection Ovens Troubleshooting Control Operational Test Computer Control Models onlyComputer Control Error CodesCode & Problem Probable Cause Solution T E S Part Number Description VC4ES VC4ED VC4EC VC6ES VC6ED VC6EC Condensed Spare Parts List