Ch = Check, C = Clean, M = Maintenance
Component
Action
Section
month-
ly
¼ year
½ year
year
Reference chapter
Fan / motor
Ch
Corrosion check
X
Ch
Flexible connection
X
Ch
Vibration isolators
X
Ch
Protection grid
X
Ch
Water drain
X
Ch / Cl / M
Fan bearings
X
Ch / Cl / M
Fan bearings with lubricat-
ing nipples
according to Table 8 (Lubrication intervals
Ch / Cl / M
Motor, general
X
Ch / M
Motor bearings
X
Ch / Cl / M
Motor bearings with lubri-
cating nipples
according to Table 10 (Lubrication inter-
vals for motor bearings (in month))
Ch
Check current
consumption
X
Ch / Cl / M
Belt drive, general
X
Ch / M
Belt tension
first time after operation of 10 hours
X
M
Belt change
if necessary / at least after 2 years
Filter
Ch / Cl / M
Panel filters
X
Ch / Cl / M
Bag filters
X
Cl / M
HEPA filters
X
Heat exchanger
Ch / Cl
Fins
X
Ch
Frost protection
X
Ch / Cl
Drain pan
X
Ch / Cl
Droplet eliminator
X
Ch
Steam coil
X
Electric heater
Ch / Cl
E-heater
X
Check e-heater section for thermal damages after every mains supply
failure!
Humidifier
Ch / M
Pump
X
Ch
Air washer
X
Ch / Cl
Decalcify / cleaning
if necessary
Ch
Nozzles
X
Ch
Drain pan
X
Ch
Bleed off settings / valves
X
Ch / Cl / M
Steam humidifier
X
Ch / Cl / M
Honey comb humidifier
X
Ch / Cl / M
Spray tube humidifier
X
Dampers
Ch / Cl
Dampers
X
Silencer
Ch / Cl
Silencer
X
Weather louver
Ch / Cl
Weather louver, grid and
hood
X
Energy recovery
Ch / Cl
Plate heat exchanger
X
Ch / Cl
Heat wheel
X
Ch / Cl
Heat pipe
X
Refrigeration
circuit
Ch
Leakage check
>=500
>=50
>=5
Data in tons of CO
2
-equivalent
Ch / Cl
Maintenance
X
Ch
Inspection
X
Control Cabinet
M
Filter
X
Ch
Fan
X
Ch
Heater
X
Table 12:
Maintenance plan