Xylem Goulds Water Technology Model e-SV, Vertical Multi-Stage Pumps Repair Stack - Manual (Page 2)

2
DANGER
WARNING
CAUTION
Hazardous machinery
can cause personal
injury or death.
WARNING
Hazardous fluids can
cause personal injury
or property damage.
WARNING
SAFETY INSTRUCTIONS
TO AVOID SERIOUS OR FATAL PERSONAL
INJURY OR MAJOR PROPERTY DAMAGE, READ
AND FOLLOW ALL SAFETY INSTRUCTIONS IN
MANUAL AND ON PUMP.
This is a SAFETY ALERT SYMBOL.
When you see this symbol on the pump or
in the manual, look for one of the follow-
ing signal words and be alert to the poten-
tial for personal injury or property damage.
Warns of hazards that WILL cause serious
personal injury, death or major property
damage.
Warns of hazards that CAN cause serious
personal injury, death or major property
damage.
Warns of hazards that CAN cause personal
injury or property damage.
NOTICE: INDICATES SPECIAL INSTRUCTIONS
WHICH ARE VERY IMPORTANT AND
MUST BE FOLLOWED.
THOROUGHLY REVIEW ALL INSTRUCTIONS
AND WARNINGS PRIOR TO PERFORMING ANY
WORK ON THIS PUMP.
MAINTAIN ALL SAFETY DECALS.
FAILURE TO DISCONNECT AND
LOCKOUT ELECTRICAL POWER BE-
FORE ATTEMPTING MAINTENANCE
CAN CAUSE SEVERE PERSONAL IN-
JURY.
IF PUMPING HAZARDOUS OR TOXIC
FLUIDS, SYSTEM MUST BE FLUSHED
PRIOR TO PERFORMING SERVICE.
PUMP STACK REMOVAL
1. Close all necessary suction and discharge valves.
2. Drain the liquid from the pump by removing the lower
drain plug and the upper vent plug.
3. Remove the coupling guards, the 4 coupling hex cap
screws, the coupling and coupling drive pin.
4. Remove the 4 motor hex cap screws. *On 33-125SV
units with motor frames 213TC and larger and
1-22SV units with motor frames 280TC and larger,
remove the 4 motor adapter flange hex cap screws.
5. With an adequately sized crane, carefully remove the
motor. DO NOT rest the motor on the motor shaft.
6. Remove Seal Gland or Cartridge Seal
• For 1-22SV units, remove the 4 socket head cap
screws to lift and remove the seal gland.
• For 33-125SV units without cartridge seal;
1. Remove the 4 socket head cap screws.
2. Lift and remove the seal gland. If seal gland
does not lift by hand, use the two tapped holes
provided to loosen and lift the gland for removal.
• For 33-125SV units with cartridge seal;
1. Loosen the 4 set-screws located around the ID of
the pump shaft.
2. Remove the 4 socket head cap screws.
3. Remove the cartridge seal using the two tapped
holes provided on the gland of the cartridge seal
by threading two of the hex cap screws into these
holes and evenly tightening these screws..
4. Once loosened, lift and remove the cartridge seal.
7. Remove the 4 tie rod nuts and washers.
8. Remove Motor Adapter / Motor adapter assembly and
upper seal plate
• For 1-22SV units lift the motor adapter to remove.
*Note that the upper seal plate may remove with the
motor adapter when lifting. If the upper seal plate
remains on the pump casing, lift to remove.
• For 33-125SV units, lift the motor adapter assembly
(motor adapter and top seal plate). A crane may be
required to safely lift the motor adapter assembly.
9. Remove the pump stack, grasp the pump shaft, rock
side to side to free the stack, then lift vertically. If the
first stage bowl remained in the pump body, CARE-
FULLY pry up the bowl and remove.