Table Of Contents - Market Forge Industries 4200 Owner's Manual

INTRODUCTION
DESCRIPTION.................................................................................................................................1
OVEN COMPONENTS ...................................................................................................................1
BASIC FUNCTIONING ...................................................................................................................1
SERVICE ........................................................................................................................................1
INSTALLATION
RECEIVING ....................................................................................................................................2
ASSEMBLY - VENT BOX ATTACHMENT .......................................................................................2
SINGLE OVEN - 4" LEGS & 28" LEGS WITH SHELF ....................................................................2
STACKED OVENS - 18" LEGS WITH SHELF ................................................................................3
ELECTRICAL CONNECTION .........................................................................................................3
OVEN CHECKOUT & ADJUSTMENTS ..........................................................................................4
THERMOSTAT CALIBRATION (OLD & NEW STYLES) .................................................................4
THERMOSTAT DIAL PLATE CALIBRATION (NEW STYLE) ..........................................................4
WIRING DIAGRAM .........................................................................................................................5
OPERATION
PRINCIPLES OF OPERATION .......................................................................................................6
CONTROLS ....................................................................................................................................6
PRE-HEATING ................................................................................................................................6
OPERATION ...................................................................................................................................6
MAINTENANCE
CLEANING ......................................................................................................................................7
REMOVAL & REPLACEMENT PARTS ...........................................................................................7
DOOR REMOVAL ...........................................................................................................................7
DOOR REPLACEMENT (OLD STYLE) ...........................................................................................7
OVEN LINER GASKET REMOVAL .................................................................................................7
GASKET REPLACEMENT ..............................................................................................................7
BLOWER WHEEL REMOVAL & REPLACEMENT .........................................................................7
MOTOR REMOVAL & REPLACEMENT .........................................................................................7
SWITCH REMOVAL & REPLACEMENT ........................................................................................8
CONTACTOR REMOVAL & REPLACEMENT .................................................................................8
THERMOSTAT REMOVAL & REPLACEMENT ..............................................................................8
HEATER ELEMENT REMOVAL & REPLACEMENT ......................................................................8
DOOR INTERLOCK SWITCH BRACKET (OLD STYLE) REMOVAL &
REPLACEMENT .............................................................................................................................8
NEW STYLE INTERLOCK SWITCH REMOVAL, REPLACEMENT & PARTS ................................9
HI-LIMIT REMOVAL & REPLACEMENT .........................................................................................9
TROUBLE-SHOOTING
GENERAL .......................................................................................................................................10
TROUBLE-SHOOTING GUIDE ......................................................................................................10
WIRING ...........................................................................................................................................11
ELECTRICAL FAULT ISOLATION GUIDE ......................................................................................11
ELECTRICAL CONNECTIONS - CONTROL BOARD ....................................................................12
ILLUSTRATED PARTS LIST
GENERAL .......................................................................................................................................13
ORDERING INFORMATION ...........................................................................................................13
4200 COMPACT CONVECTION OVEN & PARTS .........................................................................13-14
CONTROL PANEL, OPEN & PARTS .............................................................................................15
RIGHT SIDE VIEW & PARTS ........................................................................................................16
DOOR ASSEMBLY & PARTS ........................................................................................................17
INSIDE OVEN COMPARTMENT PARTS LIST ...............................................................................18
4200/4292 REVERSING SWING OF DOOR (S) ............................................................................18

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