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SECTION 4
MAINTENANCE
39
4. Reattach conveyor guard to control panel and secure
two screws.
Install both upper end plugs.
Figure 4-34.
III. MAINTENANCE - EVERY 3 MONTHS
WARNING
Shut OFF all electrical power and lock/tag out
the switch before attempting maintenance work.
NOTE: It is recommended that the 3-month maintenance
be performed by an authorized Middleby Marshall
technician.
A. Electrical Terminals
Open the control cabinet door by removing the three
screws from the control cabinet door. Tighten all electrical
control terminal screws including the electrical contactor
terminal screws as shown in Figure 4-35.
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 than 1/10″ (2.4mm), replace the brushes.
B. Check your oven venting system.
C. Inspect and clean the burner nozzle and the spark
electrode assembly.
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.