Maintenance; Cleaning; Removal & Replacement Parts; Door Removal - Market Forge Industries 4200 Owner's Manual

Electric compact convection oven
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CLEANING:

1.
Clean interior of oven with a commercially
available oven cleaner suitable for use on
porcelain.
2.
Racks, rack supports, and blower wheel
may be cleaned by soaking in ammonia
and water solution after removing them
from oven.
3.
Stainless steel parts maybe cleaned using
a commercially available stainless steel
cleaner.
REMOVAL & REPLACEMENT OF PARTS:
WARNING: Disconnect oven from main
power supply before working on oven.

DOOR REMOVAL:

1.
Remove lower screw (Fig. 6, #1) from up-
per hinge assembly of door.
2.
Loosen top screw (Fig. 6, #2) from upper
assembly.
3.
Push upper hinge pin (Fig. 6, #3) into
door.
4.
Rotate top of door forward to clear upper
frame.
5.
Pull up and out on door to remove.

DOOR REPLACEMENT (OLD STYLE):

Revere above procedure being sure to put as
many washers under as there were before re-
moval.

MAINTENANCE

Fig.6

OVEN LINER GASkET REMOVAL:

1.
Remove all screws from gaskets.
2.
Remove all gaskets.

GASkET REPLACEMENT:

1.
Replace top and bottom metal gaskets on
front off oven liner and screw in place.
2.
Replace left and right side metal gaskets
and screw in place.
BLOWER WHEEL REMOVAL:
1.
Shut off main power supply.
2.
Remove baffle by placing hard under back
end and rotating baffle up and out.
3.
Loosen set screws located in the center of
the blower wheel on the wheel hub.
4.
Pull blower wheel off of shaft.
BLOWER WHEEL REPLACEMENT:
1.
Remove metal burrs and foreign matter
from motor shaft with emery cloth or sand-
paper.
2.
Lubricate blower wheel hub with high
graphite grease. (Remove blower and lu-
bricate at least once every six months).
3.
Place blower wheel on shaft. Make sure
set screws are positioned over the flats on
the shaft. Make sure there is 3/16" clear-
ance between blower wheel and oven
wall.
4.
Tighten set screws to 160 in-lbs torgue.
MOTOR REMOVAL:
1.
Make sure main power supply is discon-
nected from oven.
2.
Remove baffle and blower wheel.
3.
Remove right side panel.
4.
Open control compartment cover.
5.
Remove motor bolt access plate.
6.
Remove four nuts and blots holding motor
to motor mount.
7.
Remove cover from wiring box mount on
motor and disconnect wires.
7

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4292

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