D-2
MAINTENANCE
Frequency
Light use
Every 3-6 month
Normal use
Every 3 months
Component
Action
Heavy use
Every 1-2 months Every 6 months
Outer frame profiles, roof
panels
Check outside of the hood and clean it with a
nonaggressive detergent.
X
Lighting fixture
Check working light.
X
Automatic damper (if any)
X
X
Baffle plate and outlet roof
panel
Check the baffle plate
and
roof panel
and
clean
thoroughly.
X
X
Check outside
and
inside of the hood and clean
it
with a non aggressive detergent.
Every 12 months
Every 9 months
TABLE D.1 – MAINTENANCE SCHEDULE
PRISM
®
EXHAUST HOOD