User Manual

Combination Oven Installation and Operation Manual 81
Section 6
Maintenance
MAINTENANCE
MAINTENANCE RECOMMENDATIONS
Keep the appliance at peak effi ciency by
performing the scheduled maintenance procedures
recommended by the manufacturer. Proper
maintenance will allow the best performance, a
longer working life and constant maintenance of
safety requirements.
WARNING
Before Performing any servicing
procedure, activate all the safety devices provided
and decide whether workers and those in the
vicinity should be informed. In particular, turn
off the gas and water supply valves, disable the
electricity supply using the master switch and
prevent access to all devices that might cause
unexpected health and safety hazards if turned on.
WARNING
Before performing any service that
involves electrical connection or disconnection
and/or exposure to electrical components, always
follow the Electrical LOCKOUT/TAGOUT Procedure.
Disconnect all circuits. Failure to comply can cause
property damage, injury or death.
At the end of each session of use and whenever
necessary, clean:
• Condensation collection tank
• Cooking chamber
• Combustion air intake and check that it is not
obstructed
• Check the air fi lter (if installed) located under
the appliance and clean it if it is dirty or
obstructed (see page 78)
• Appliance and the surrounding environment
WARNING
At least once every 6 months
or, if meat or greasy foods are cooked
frequently, every 2 months clean the vent.
Every year, have skilled, authorized personnel
perform the following operations:
• Check gas pressure and system integrity
• Check effi ciency of all fl ues and air intakes,
clean if necessary
• Check tightness of all gaskets of the heat
exchanger and replace if necessary.
• Check all ignition plugs are working properly,
replace if necessary and that the power supply
cable is intact
• Check tightness of seals of all ignition plugs,
inspection window and combustion air fan
• Check carbon monoxide (CO) and carbon
dioxide (CO
2
) values in exhaust gases
• Clean water intake fi lter
• Clean drain lines
• General check of the appliance
• Identify and change worn parts
IMPORTANT _________________________
Record the yearly inspections.
IMPORTANT _________________________
Contact the factory, the factory
representative or an authorized service
agent to perform maintenance and repairs.
WARNING
Fire risk! Greasy residues or
fats in the cooking chamber and on heating
elements or close to heat exchangers
may cause fi re: carefully clean chamber,
heating elements and exchangers at
the end of each duty and immediately
whenever there is dirts, grease and fats.
If the fat drain valve is provided, check that
it is clean and not obstructed before each
cooking process.
ELECTRICAL LOCKOUT/TAGOUT
PROCEDURE
WARNING
Before performing any service
that involves electrical connection or
disconnection and/or exposure to electrical
components, always follow the Electrical
LOCKOUT/TAGOUT Procedure. Disconnect
all circuits. Failure to comply can cause
property damage, injury or death.
The Electrical LOCKOUT/TAGOUT Procedure is
used to protect personnel working on an electrical
appliance. Before performing any maintenance
or service that requires exposure to electrical
components, follow these steps:
1. In electrical box, place appliance circuit breaker
into OFF position.
2. Place a lock or other device on electrical box
cover to prevent someone from placing circuit
breaker ON.
3. Place a tag on electrical box cover to indicate
that appliance has been disconnected for
service and power should not be restored until
tag is removed by maintenance personnel.
4. Disconnect appliance power cord from electrical outlet.
5. Place a tag on the cord to indicate that unit
has been disconnected for service and power
should not be restored until tag is removed by
maintenance personnel.