Storage and shipment, Storage, Drainage – Bird Technologies 8630B Series User Manual
Page 55: Shipment, Storage drainage shipment

Maintenance
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Storage and Shipment
Storage
If the unit is to be stored it should be stored filled with coolant if
possible. If storing the unit filled is not possible, drain the unit
following the drainage instructions below.
Drainage
If the unit is to be stored partly drained or fully drained for two
weeks or longer, follow the drainage instructions below.
1. Flush the system as described in the manual five times if the
coolant has had any ethylene glycol added. Otherwise, flush the
system a minimum of one time per the manual.
2. With the unit in a level position, remove the drain plug and allow
the fluid to drain from the system.
3. Tip the unit approximately 10 degrees from vertical, once each
side, to move more fluid out the drain opening.
4. Attach a fitting to the top of the expansion tank and plumb clean,
dry, filtered air regulated to 20 psi.
5. Allow air to purge the Moduload until relative humidity of output
is <20%.
6. Plumb a source of clean, dry nitrogen gas to the expansion tank
fitting with a regulator set to 5-9 psi.
7. Allow nitrogen to purge the Moduload until relative humidity of
output is <15%.
8. Disconnect nitrogen supply and fittings from the Moduload.
Reinstall drain plug and expansion tank cap.
Shipment
If the unit is to be shipped, prepare the unit for shipping using the
drainage procedure below.
CAUTION
Before storing the unit, follow the storage instructions in the
Storage section of the Maintenance chapter. Failure to follow the
instructions may result in damage to the unit.
CAUTION
Before shipping the unit, follow the shipping instructions in the
Maintenance chapter. Failure to properly prepare the unit for
shipping may result in damage to the unit.