
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
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
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.
Figure 2 – Bowl and Motor Assembly
WARNING
WARNING
ITEM
NAME
MATERIAL GPI ASTM
666
Bowl Discharge
Iron
1003
A48 CL30
669
Bowl - Intermediate
Cast Iron - Glassed
6911
A48 CL30
672
Bearing - Intermediate Bowl
Bronze
1109
B584 C90300
672A
Bearing Discharge
Bronze
1109
B584 C90300
690
Bearing Subadapter
Bronze
1109
B584 C90300
760
Capscrews - Grade 8
Steel
2298
SAE J429 GR8
758
Capscrews
SST 304
2228
A276 S30400
730
Coupling Motor
SST 416
2218
A582 S41600
715
Guard Cable
SST 304
3215
A240 S30400
673
Impeller
Bronze
1102
B584 C87600
781
Screen Suction
SST 304
3215
A240 S30400
660
Shaft
SST 416
2227
A582 S41600
671
Subadapter
Duct Iron
1018
A536 65-45-12
677
Taperlock
Steel
2242
A108 G10180
789
Washer Upthrust
HDPE
6266
Polyethylene
735
Pipe Plug
Iron
1046
A197