Troubleshooting - Xylem GOULDS Prime Line SP Manuel D'instructions

COMPONENTS
Location Description
Case 1½" NPT
1 Case 2" NPT
Case 2½" NPT
2 Pipe Plug ¼" NPT
3 Diffuser Seal Ring
Diffuser – High Head
4
Diffuser – Medium Head
5 Casing Wear Ring
6 Impeller Screw
7 Impeller Washer
Impeller – High Head
8
Impeller – Medium Head
9 Mechanical Seal
10 O-Ring
11 Motor Adapter – 140/180 FR
Hex Head Cap Screw
12
.38 – 16 UNC .88 Lg
13 Shaft Sleeve
14 Key – Square End
15 Check Valve Assembly
16 Hex Head Cap Screw .31 – 18 UNC .75 Lg
17 Suction Flange
* Lead Free
** Consult Factory
2
15
17
16
6
Material Qty.
Cast Iron
Suction Flange Zinc Plated
Case Steel
BUNA
Cast Iron
Bronze*
AISI 300 SS
5 HP
3 HP
Sil-Brass*
5 HP
3 HP
**
BUNA-N
Cast Iron
Case Zinc Plated
Motor Steel
AISI 300 SS
BUNA-SS
Zinc Plated
Steel
1" NPT
2½" NPT Cast Iron
3" NPT
2 1
3
2

TROUBLESHOOTING

FAILURE TO DISCONNECT
WARNING
ELECTRICAL POWER BEFORE AT-
TEMPTING ANY MAINTENANCE
1
CAN CAUSE SHOCK, BURNS OR
DEATH.
1
2
1
Hazardous voltage
can shock, burn or
1
cause death.
1
SYMPTOM
1
Motor Not Running:
1
See Probable Causes 1 through 5.
Little or No Water Delivered:
1
See Probable Causes 3, 4, 6 through 12, 15, 16.
Excessive Noise and Vibration:
See Probable Causes 3, 6, 7, 10, 12, 13, 14.
1
1
PROBABLE CAUSES
1
1. Motor thermal protector tripped.
8
2.
Open circuit breaker or blown fuse.
4
3. Impeller binding.
1
4. Motor improperly wired.
1
5. Defective motor.
4
6. Pump is not primed, air or gases in pumpage.
7.
Discharge, suction plugged or valve closed.
1
8. Incorrect rotation.
9. Low voltage or phase loss.
10. Impeller worn or plugged.
11. System head too high.
12. NPSHA too low – excessive suction lift or loss.
13. Discharge head too low – excessive flow rates.
14. Pump, motor or piping loose.
15. End of suction piping not submerged.
16. Check valve damaged.
4 5 6 7 14 8 9 10 11 12 12 13