Motor Not Running - Xylem Goulds e-SV Serie Manual De Instrucciones

DISCONNECT AND LOCKOUT ELECTRICAL POWER BEFORE
WARNING
ATTEMPTING ANY MAINTENANCE. FAILURE TO DO SO CAN
Hazardous
CAUSE SHOCK, BURNS OR DEATH.
voltage
SYMPTOM

MOTOR NOT RUNNING

See Probable Cause – 1 through 5
LITTLE OR NO LIQUID DELIVERED BY PUMP
See Probable Cause – 6 through 12
POWER CONSUMPTION TOO HIGH
See Probable Cause – 3, 12, 13, 15
EXCESSIVE NOISE AND VIBRATION
See Probable Cause – 3, 6 - 8, 10, 12, 13, 16
TORQUE VALUES
HP Motor Bolt Adapter Flange
0.75-7.5 HP 20 lbs ft (27 N·m)
10-75 HP 45 lbs ft (61 N·m) 48 lbs ft (65 N·m)* 15 lbs ft (20 N·m) 40 lbs ft (54 N·m) 48 lbs ft (65 N·m)
*213TC and 215TC Adapter Flange use 30 lbs ft (40 N m)
NOTE: Discharge loop must be high enough to keep liquid in the bottom stages during shut-down.
16
Coupling
1-5SV 10-22SV
– 15 lbs ft (20 N·m) 40 lbs ft (54 N·m) 37 lbs ft (50 N·m)
PROBABLE CAUSE
1. Motor thermal protector tripped.
2. Open circuit breaker or blown fuse.
3. Impellers binding.
4. Motor improperly wired.
5. Defective motor.
6. Pump is not primed, air or gases in liquid.
7. Discharge, suction plugged or valve closed.
8. Incorrect rotation (three phase only).
9. Low voltage or phase loss.
10. Impellers worn or plugged.
11. System head too high.
12. NPSH too low – excessive suction lift or losses.
A
13. Discharge head too low – excessive flow rate.
14. Fluid viscosity, specific gravity too high.
15. Worn bearing.
16. Pump, motor or piping loose.
TORQUE VALUES
Pump Size Tie Rod Nuts
33-92SV 1-5SV 22 lbs ft (30 N·m)
10-22SV 37 lbs ft (50 N·m)
33-125SV 44 lbs ft (60 N·m)
VENT NEEDLE
Pump Size
1-5SV
10-22SV
33-125SV
Vent and Drain
15 lbs ft (20 N·m)
15 lbs ft (20 N·m)
29 lbs ft (40 N·m)
7 lbs ft (9.5 N·m)