BKI 1.06, Service Manual, Page: 21 / 60

Combi-Oven Maintenance
19
Category Perform Activity
Under the
oven Annually
•
Solenoid valves
o
check hoses
o
clean solenoid valves
o
check that solenoid valves close
•
Check/test drain pump
•
Drain
o
check for leaks in drain system
o
check that drain system is not blocked
o
Check condensation nozzle in drain tube
•
Drip-tray system
o
check/adjust drip-tray springs
o
check drain basin and hose from drip tray
o
check correct fall of hose
o
check passage in hose (clean out hose, if necessary)
In motor
compartment Annually
•
Heating elements for oven compartment
o
check insulation for leaks
o
check for electric leakage ("megges")
o
check load distribution on phases
•
Steam generator
o
check for leaks
o
check for electric leakage in heating elements ("megges")
o
check load distribution (idling) on phases
o
check rubber gaskets at heating elements
o
check/tighten heating elements
o
check/adjust level sensors
o
descale steam generator
•
Check/tighten copper tube connections
•
Check/tighten all electric connections
•
Contactors
o
check that there are no bad connections
o
check that all components are firmly fixed
•
Check/test motor for damper in air exhaust
•
Fan motor
o
check that the motor is firmly fixed
o
check direction of rotation
o
check gasket at motor shaft