Middleby Marshall PS200, PS224 PS310, PS570, PS220, PS360, PS555 technical service manual. Technical service manual, Service Bulletin, Service Bulletin, TABLE OF CONTENTS, TABLE OF CONTENTS (continued), SECTION 1 SEQUENCE OF OPERATION, SECTION 2 AIR FLOW AND HEAT TRANSFER, SECTION 3 SERVICING COMPONENTS, SECTION 5 REFERENCE. Professionally Reconditioned Double Stack Middleby Marshall PS570 Nat. Gas Conveyor Pizza Ovens. Featuring 32″ conveyor belts. Although these ovens were well maintained and worked fine when we got them our Certified Technician took them completely apart and cleaned inside and out as well as where the fans, motors, blowers and heating elements. The Middleby Marshall infrared ovens provide an automated cooking platform designed to cook, bake, broil, sear, steam, and sous vide in high-volume kitchens with consistent quality results. Cook a variety of products with a push of a button, in less time, at lower energy cost, in a minimal amount of space with less cleaning.

View and Download Middleby Marshall PS360 owner's operating & installation manual online. SERIES PS360; SERIES PS360WB TANDEM GAS OVEN Tandem/Double Tandem/Tri Tandem/Quad Tandem. PS360 oven pdf manual download. Also for: Ps360wb. Middleby Marshall is one of the brands of Middleby and it manufactures ovens. Since it has the names of the founders of the mother company, it’s just right that it makes the original product under which the company got its start. Middleby Marshall ovens like the WOW! Pizza oven, are known for being innovative, efficient, and cost-saving.

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8
PS360-series ovens feature two blower motors. A blower
wheel is fastened onto the end of the motor shaft. In
order to adjust the amount and speed of heated air that
is directed by the blower wheels, it is necessary to
change the size of the wheels and/or change the speed
Each PS360-series oven model has a specific combi-
nation of blower motor and blower wheel. Field modifi-
cations to these approved combinations are not per-
mitted unless under the specific directions of the
Middleby Technical Service Department. Any changes
to convection air delivery MUST be made using the air
C. PS555/570-series ovens
mounted inside each of the end compartments of the
oven, with a pulley on the end of the motor shaft. The
oven has two blower wheels; a belt connects each motor
pulley to a pulley on the end of one of the blower wheel
shafts. The air velocity can be changed by using a
larger or smaller pulley on the motor shaft, and chang-
ing the length of the belt to match the new pulley. See
Some customers have a specific belt/pulley combina-
tion approved by Middleby Marshall, while others use a
standard configuration. Field modifications to these
Middleby marshall ps 350 pizza oven manual instructions
approved combinations are not permitted unless under
the specific directions of the Middleby Technical Ser-
SECTION 2 - AIR FLOW AND HEAT TRANSFER
A.Description and Function
Air fingers direct the heated air from the blowers into
vertical jets that are directed at the top and bottom of
the conveyor belt. Each air finger configuration has
been tested to optimally cook a specific customers
product. As a rule, air finger configurations should NOT
be changed from customer specifications without di-
rect instructions from the Middleby Technical Services

Middleby Marshall Oven Parts

Middleby uses two main types of air fingers:
ter-type air finger assembly. The finger is as-
plate. The inner plate is assembled from two sepa-
rate plates, each with a series of holes, that are
relative to each other to restrict the air flow through
the holes as necessary. These fingers are no longer
in general use, but may still be found in older ov-
All current ovens use an air finger which is com-
posed of a manifold, inner plate, and outer plate.
fingers, but a wide variety of styles is available to
ure 4.
Figure 2Air finger operation
from blower
Vertical
high-velocity
Figure 3

Middleby Marshall Ps 350 Pizza Oven Manual Instructions

PS300/350 air finger with shutter plateFigure 4Current standard air finger (all oven models)
Outer plate
rack as shown to prevent
on outer plate.
Shutter
Rivets
Width varies to match inner

Middleby Marshall Ps 350 Pizza Oven Manual Pdf

be solid, perforated, partially
Several special shapes are
customer needs.
Width and hole
Inner plate
configuration varies.