Xylem A-C Fire Pump – Vertical Turbine Fire Pump AC8499 - Manual (Page 22)

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Section 7 - Repair Parts
ORDERING PARTS
When ordering spare or replacement parts. The pump serial
number and size and type of pump must be given. This can be
found on the nameplate furnished with the unit. Give the com-
plete name and reference number of each part as indi-
cated on the applicable sectional drawings, Figure 12 or
Figure 13, and the quantity required.
STOCKING SPARE PARTS
Spare parts to be kept in inventory will vary according to ser-
vice, field maintenance, allowable down time and number of
units. A minimum inventory of one complete set of bearings
and one spare of each moving part is suggested.
RETURNING PARTS
A completed Return Material Authorization (RMA) form must
accompany all materials returned to the factory. The RMA
forms can be obtained direct form the factory or through your
A-C Fire Pump Systems representative. The RMA form must
be filled in completely and forwarded as directed thereon.
Parts being returned under warranty claim must have a com-
plete written report submitted with the RMA form.
CAUTION : Returned material must be carefully pack-
aged to prevent transit damage – the factory cannot
assume any responsibility for parts damaged in transit.
KEYED CONSTRUCTION BOWL ASSEMBLY
1. Install key (730E) into pump shaft keyway, slide impeller
(673) over shaft and locate it on the key.
2. Install split thrust ring (725) on pump shaft groove and
secure to impeller with capscrews (759E).
3. Slide intermediate bowl (670) over pump shaft and secure
to suction bell (689) with capscrews (759E).
4. Repeat preceding procedures for the number of stages
required.
FINAL ASSEMBLY
After assembly of bowl assembly, reassemble pump as
described in Section 3, Installation. Refer to Section 4,
Operation for startup and adjusting procedures.