Xylem Goulds VS Manuel D'utilisation page 9

2. It is recommended that maintenance personnel be-
come thoroughly familiar with the VS pump before
performing any removal of the components. Consult
the manufacturer's instructions for detailed disassem-
bly information for the motor.
A. Remove the electrical connection at the conduit box
and tag electrical leads at the motor.
BEFORE OPENING THE CONDUIT
WARNING
BOX OF AN ELECTRICAL MOTOR,
BE SURE THE CURRENT TO THE MOTOR IS SHUT
OFF. SEVERE INJURY TO PERSONNEL COULD
RESULT IF CONTACT WITH LIVE MOTOR LEADS
IS MADE.
LOCK OUT SHOULD BE INSTALLED BEFORE ANY
ELECTRICAL WORK IS PERFORMED.
NOTE: MATCH-MARK PARTS IN SEQUENCE OF
DISASSEMBLY TO AID IN THE REASSEM-
BLY PROCEDURE.
B. Disconnect the discharge piping from the well head.
DO NOT WORK UNDER A HEAVY
WARNING
SUSPENDED OBJECT UNLESS THERE
IS A POSITIVE SUPPORT UNDER IT WHICH WILL
PROTECT PERSONNEL SHOULD A HOIST OR
SLING FAIL.
3. PUMP DISASSEMBLY
In the following pump disassembly procedures, refer-
ences are made to installation sections of this manual.
These sections will aid in the disassembly of the
pump.
A. Disconnect well head and begin removal of column
sections. Refer to Section 5, #7.
B. For removal of bowl/motor assembly, hoist the
bowl/motor assembly from the well, using eleva-
tor clamps. Hoist in the same manner as for the
column. For the keyed motor shaft, loosen the
setscrews on the motor end of the shaft coupling.
Remove the motor lead from the cable guard.
Disassemble the bowl assembly from the motor by
removing the connecting bolts at the flange joint.
For the short assembly, laying the bowl/motor as-
sembly on the ground to perform these works. For
the long or large size assembly, it is recommended
to perform these works while the assembly is in the
vertical position. Refer to Section 4, #3. Proceed to
disassemble the bowl assembly as follows.
ITEM
666 Bowl Discharge
669 Bowl - Intermediate
672 Bearing - Intermediate Bowl
672A Bearing Discharge
690 Bearing Subadapter
760 Capscrews - Grade 8
758 Capscrews
730 Coupling Motor
715 Guard Cable
673 Impeller
781 Screen Suction
660 Shaft
671 Subadapter
677 Taperlock
789 Washer Upthrust
735 Pipe Plug
NAME
Figure 2 – Bowl and Motor Assembly
MATERIAL GPI
Iron 1003
Cast Iron - Glassed 6911
Bronze 1109
Bronze 1109
Bronze 1109
Steel 2298
SST 304 2228
SST 416 2218
SST 304 3215
Bronze 1102
SST 304 3215
SST 416 2227
Duct Iron 1018
Steel 2242
HDPE 6266
Iron 1046
ASTM
A48 CL30
A48 CL30
B584 C90300
B584 C90300
B584 C90300
SAE J429 GR8
A276 S30400
A582 S41600
A240 S30400
B584 C87600
A240 S30400
A582 S41600
A536 65-45-12
A108 G10180
Polyethylene
A197
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