Middleby Marshall PS629G Series, Owner'S Operating & Installation Manual

Page: 44 / 52

SECTION 4
MAINTENANCE
44
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 62.
B. Ventilation
Check that the air circulation throughout the oven is
not blocked and is working properly.
IV. MAINTENANCE - EVERY 6 MONTHS
A. Oven Vent Check
Check your oven venting system.
B. Burner Inspection
Inspect and clean the burner nozzle and the spark
electrode assembly.
NOTICE
•
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.
• Obtain a service contract with a manufacturer’s
authorized service technician.