Xylem A-C Fire Pump – Vertical Turbine Fire Pump AC8499 - Manual (Page 9)

9
STORAGE PREPARATION
A-C Fire Pumps require proper preparation for storage and
regular maintenance during storage. The pump shall be con-
sidered in storage when it has been delivered to the job site
and is awaiting installation.
Preferably, the storage area shall be paved, well drained and
free from flooding, and be indoors whenever possible.
Weatherproof coverings used for outdoor storage shall be
flame resistant type sheeting or tarpaulins. They shall be
placed so as to provide good drainage and air circulation and
shall be tied down to protect from wind damage.
Storage area shall be maintained in a clean condition at all
times.
Pumps and/or component parts shall be placed on skids,
pallets, or shoring to permit good air circulation.
Pumps and/or component parts shall be sorted so as to per-
mit ready access for inspection and/or maintenance without
excessive handling.
Pumps and/or component parts stacked during storage shall
be arranged so that the racks, containers, or crates bear full
weight without distortion of pumps or parts. Identification
markings must be readily visible. Any cover removed for inter-
nal access shall be replaced immediately.
Pump and bowl assembly shafting shall be rotated counter
clockwise, as a minimum, once a month. Shaft shall not be left
in the same previous position, nor in the extreme raised or
lowered lateral position. Shaft should rotate freely.
NOTE: For further information on these procedures con-
tact your A-C Fire Pumps representative.
RECOMMENDED STORAGE PROCEDURES
Controlled storage facilities should be maintained at an even
temperature 10ºF (6ºC) or more above the dew point with
relative humidity less than 50% and little or no dust. (If these
requirements can not be met the pump is to be considered in
uncontrolled storage.)
For uncontrolled storage periods of 6 months or less, the
pump is to be inspected periodically to insure that all preserv-
atives are intact.
All pipe threads and flanged pipe covers are to be sealed with
tape.
The pump must not be stored closer than six inches (15 cm)
from the ground.
UNCONTROLLED LONG TERM STORAGE
PREPARATIONS
When applicable to the pump, storage periods over six
months require the preceding storage procedure and storage
preparation plus the following:
Inspect the lube oil and seal flush piping and either fill the pip-
ing with rust preventative oil, or re-coat the piping periodically
to prevent corrosion.
Place 10 pounds (4.5 kg) of moisture absorbing desiccant or
5 pounds (2.3 kg) of vapor phase inhibitor crystals near the
center of the pump. If the pump is assembled, place an addi-
tional one pound (0.5 kg) in the discharge nozzle securely fas-
tened to the discharge elbow.
Install a moisture indicator near the perimeter of the pump.
Cover the pump with 6 mil (0.15 mm) minimum thickness
black polyethylene or equal and seal it with tape. Provide a
small ventilation hole approximately 1 /
2
inch (12 mm) diameter.
Provide a roof or shed shelter to protect from direct exposure
to the elements.
General Description
The model FP pump is a vertical turbine fire pump, which is
designed to meet many wide ranges of service.
DRIVERS
When packed stuffing boxes are used with open lineshaft
pumps, hollow shaft motors or right angle gear drives, are
often used with a separate driveshaft through the driver and
connected to the pump by a rigid coupling.
DISCHARGE HEAD
The discharge head is either a cast iron head or a fabricated
‘F’ type head. Ports are provided for connecting the discharge
gauge and stuffing box bypass return. The driver support por-
tion of the discharge head is designed with large hand holes
for easy mechanical seal or stuffing box adjustment.
COLUMN
Threaded or flanged column construction provides positive
shaft and bearing alignment. Bearings are spaced to provide
vibration free operation. This will insure long bearing life and
reduced shaft wear. The lineshaft is supported within the
column by use of bearing retainers in the column assembly.
BOWL ASSEMBLY
The bowls are generally of flanged construction for accurate
alignment and ease of assembly and disassembly. Impellers
are enclosed. For temperatures over 180ºF (82ºC) and in the
larger size bowls, impellers are keyed to the shaft.
THRUST POT
A thrust pot is utilized when the driver is not designed to carry
the pump thrust.