TABLE OF CONTENTS
SERVICE UPDATES ....................................................................................... 4
SERVICE UPDATES - VC4G / VC6G ................................................................... 4
GENERAL .................................................................................................. 5
INTRODUCTION ....................................................................................... 5
INSTALLATION ........................................................................................ 5
OPERATION ........................................................................................... 5
CLEANING ............................................................................................. 5
LUBRICATION ......................................................................................... 5
SPECIFICATIONS ...................................................................................... 5
TOOLS ................................................................................................. 6
REMOVAL AND REPLACEMENT OF PARTS ............................................................... 7
COVERS AND PANELS ................................................................................ 7
TOP FRONT COVER ............................................................................... 7
BOTTOM FRONT COVER .......................................................................... 7
CONTROL PANEL ................................................................................. 7
RIGHT SIDE PANEL ................................................................................ 7
CONTROL PANEL COMPONENTS ..................................................................... 8
COMPONENT PANEL COMPONENTS ................................................................. 9
TEMPERATURE PROBE (VC4GD/6GD) ............................................................... 10
GAS BURNER ........................................................................................ 11
GAS ORIFICE ......................................................................................... 12
GAS SOLENOID VALVE .............................................................................. 12
IGNITION CONTROL MODULE ....................................................................... 14
SPARK IGNITER AND FLAME SENSE ................................................................ 15
BLOWER AND MOTOR ............................................................................... 15
OVEN DOORS (SIMULTANEOUS DOORS) ........................................................... 17
ASSEMBLY REMOVAL ........................................................................... 17
DISASSEMBLY ................................................................................... 18
OVEN DOORS AND BEARINGS (INDEPENDENT DOORS) ............................................ 18
DOOR CATCH BALL ASSEMBLY (INDEPENDENT DOORS) ........................................... 19
ROLLER LATCH ASSEMBLY (INDEPENDENT DOORS) ............................................... 19
DOOR WINDOW ...................................................................................... 19
DOOR SWITCH ....................................................................................... 20
MECHANICAL KX THERMOSTAT (VC4GS/6GS) ...................................................... 21
HIGH LIMIT THERMOSTAT ........................................................................... 21
INTERIOR LIGHTS .................................................................................... 22
COOLING FAN ........................................................................................ 22
SERVICE PROCEDURES AND ADJUSTMENTS ........................................................... 24
SOLID STATE TEMPERATURE CONTROL CALIBRATION (VC4GD/6GD) ............................. 24
MECHANICAL THERMOSTAT CALIBRATION (VC4GS/6GS) .......................................... 25
SOLID STATE TEMPERATURE CONTROL TEST (VC4GD/6GD) ...................................... 26
TEMPERATURE PROBE TEST (VC4GD/6GD) ......................................................... 27
GAS PRESSURE ADJUSTMENT (UNITS UP TO FEBRUARY 2015) ................................... 28
GAS VALVE PRESSURE CHECK (UNITS AFTER FEBRUARY 2015) .................................. 29
VERIFICATION OF SPARK AT IGNITOR .............................................................. 30
DOOR SWITCH ADJUSTMENT ....................................................................... 31
BLOWER ADJUSTMENT .............................................................................. 31
DOOR ADJUSTMENT ................................................................................. 31
DOOR STRIKE ADJUSTMENT (INDEPENDENT DOORS) ............................................. 32
DOOR CATCH BALL ADJUSTMENT (INDEPENDENT DOORS) ........................................ 33
DOOR CHAIN ADJUSTMENT (SIMULTANEOUS DOORS) ............................................. 34
INTRODUCTION .................................................................................. 34
PROCEDURE ..................................................................................... 34
COMPUTER CONTROL (VC4GC/VC6GC) ............................................................. 35
VC4G & VC6G SERIES FULL SIZE CONVECTION OVENS
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