Middleby Cooking Systems Group PS520E User Manual
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4. Reattach conveyor guard to control panel and
secure two screws.
Install both upper end plugs.
III. MAINTENANCE - EVERY 3 MONTHS
WARNING
Shut OFF all electrical power and lockout/tagout
the switch before attempting maintenance work.
NOTE: It is recommended that the 3-month
maintenance be performed by an authorized Middleby
Marshall technician.
SECTION 4
MAINTENANCE
A. Electrical Terminals
Open the control cabinet door by removing the three
screws from the control cabinet door. Tighten all
electrical control terminal screws as shown in Figure 4-
35.
B. Ventilation
Check that the air circulation throughout the oven is
not blocked and is working properly.
IV. MAINTENANCE - EVERY 6 MONTHS
A. Check brushes on D.C. conveyor motor. When
worn to less then 1/10” (2.4mm), replace the brushes.
B. Check your venting system.
IMPORTANT NOTICES:
• Installation of replacement parts requiring
access to the interior of the oven is permitted
only by an authorized service technician.
• If there are any problems with the operation of
the oven, the authorized service technician
must be called.
• It is suggested to obtain a service contract with
a manufacturer’s authorized service technician.
Figure 4-34
Figure 4-35