Xylem 8100 Series Centrifugal Pumps AC2515 REV.C - Manual (Page 52)

that main joint flange is vertical.
(Reference Figure 56 with rotation in
opposite direction shown.)
27. Move upper half towards lower half.
28. Prior to complete engagement of upper
half onto lower half, use dowel pins to
guide the upper half into its final exact
position.
29. Reinstall all main joint bolts, following
tightening sequence illustrated in Figure
59. (The number of casing bolts varies
with the size of the pump.) Torque bolts
140 ft-lb minimum for 5/8"-11 hex head
cap screws (Grade 5); 350 ft-lb minimum
for 7/8"-9 Ferry Cap Counterbore screws
(Grade 8).
NOTE: Torque values are essential in
obtaining proper gasket compression so no
leakage can occur at main joint.
30. Rotate shaft making sure it spins free. If
the motor or line shafting has been
removed it will now be possible to
reinstall.
Complete Pump Removal:
Should it be necessary to remove a complete
pump, it will be necessary to remove the line
shafting or motor, disconnect the pedestal
from its anchor bolts, disconnect and remove
if necessary sections of the suction and
discharge piping, and turn the entire pedestal
horizontal enabling complete pump removal
from horizontal position.
FIGURE 59 – MAIN JOINT BOLTS
INSTRUCTIONS FOR ORDERING PARTS
When ordering parts for 8100 pumps, be sure to
furnish the following information to the AC Fire Pump
stocking distributor in your area:
– Serial Number
– Pump Size & Type
– Pump Model Number
– Pump Frame Number
– Description of Part
– Catalog Code
– Quantity Required
– Definite Billing and Shipping Instructions
– Date Required
Refer to parts list on page 60 for a complete parts
list and recommended spare parts.
Parts should be ordered as far in advance of their
need as possible, since circumstances beyond the
control of AC Fire Pump may reduce existing stock.
All parts are not carried in stock. Some are made
for each order. If replacement parts required
are to be made of different materials than
originally specified, give exact requirements and
the reason for changing. Special care in furnishing
the above information with the original order for
parts will facilitate shipment.
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