Daikin Applied (UK) Ltd.
REV A
– PAGE 9. SECTION 11 ADDED. 11/03/14
Page 12 of 37
Storage / Static Maintenance (continued)
Fan Shaft Bearings
Refer to bearing damage in Cautionary Notes section. Bearings fitted with shields
should not be stored for periods exceeding two (2) years since the grease will
deteriorate with age. Bearings stored for longer periods than that specified may be
found to have a higher initial starting torque and the service life of the grease will then
be shortened. It is therefore advisable to repack the grease after twelve months of non-
use. Fan shafts and impellers should be protected with rustproof compound to prevent
any corrosion taking place.
Electric Motors
Clean out all the dust accumulated inside and outside the motor and make sure that all
the component parts of the motor are in good condition. Cover all the ventilation holes
on the motor frame to prevent dust from entering the motor. Apply a coating of anti-
corrosion grease or other anti-corrosion agent on all the parts that may be subject to
rusting. Care must be taken to ensure that the storeroom is always dry and well
ventilated whilst the room temperature is regularly maintained above 0ºC. During
storage, periodic inspections should be made to check for moisture, rust or hardening of
the grease.
Standby Motors
Any unbelted standby motors should be considered as if in storage and therefore need
to be maintained accordingly.
The motor shafts must be rotated a third of a turn every
two (2) months as before.
Note that this will apply even though the unbelted standby motors may be within a unit
that is already commissioned and in operation.
Filters
All filters, whether in the form of bags, cartridges or panels, must be suitably wrapped
and sealed to prevent damp and ingress of dust or foreign bodies, and held in a dry
store.
The above instructions/recommendations are intended to preserve the life of all
static and moving parts of the equipment during the period of storage.
It is advisable that regular attention to the equipment is maintained.
Electrical Connections
