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4-13
SECTION 4
MAINTENANCE
II. MAINTENANCE - EVERY 3 MONTHS
WARNING: All electric power must be shut
off
before
beginning this maintenance procedure.
NOTE: It is recommended that an authorized Middleby
Marshall service agent should perform the 3-month and
6-month maintenance procedures.
A. Cleaning the blower motors (See Figure 4-23.)
Remove the end panels from the machinery compart-
ment. Clean the blower motors in each oven section and
the surrounding area, using either compressed air or
CO
2
. Thoroughly blow out the motor compartment and
vents inside the motor. Failure to do this may cause
premature failure of the electric motor.
Blow out
this area
Figure 4-24. Electrical Terminal
Maintenance
Figure 4-23. Blower Motor
Cleaning
B. Electrical terminals
Open the control panel door by loosening the two screws.
Tighten all electrical control terminal screws, including
the electrical contactor terminal screws, as shown in
Figure 4-24.