Repair Parts - Goulds Pumps 3656SP Series Installation, Operation And Maintenance Instructions

Series 3656SP Repair Parts
Item
Description
Number
100 Casing
101 Impeller
108 Motor adapter
126 Shaft sleeve
178 Impeller key
198 Impeller bolt (self-locking)
199 Impeller washer
347 Guidevane
349 Guidevane seal ring
351 Casing/adapter gasket
371 Hex head cap screw (adapter/motor)
371A Hex head cap screw (adapter/casing)
383 Mechanical seal
408 Pipe plug 1 ⁄ " x 3 ⁄ "
4 4
459 Fillister head screw
Trouble Shooting
WARNING
Material
Cast iron
Bronze
Cast iron
Stainless steel
Stainless steel
Hazardous voltage
Stainless steel can shock, burn or
cause death.
Stainless steel
Bronze SYMPTOM
BUNA-N
Motor Not Running:
Composite
See Probable Causes 1 through 5.
Steel
Little or No Water Delivered:
Steel
See Probable Causes 3, 4, 6 through 12, 15.
John Crane Type 21: 1 1 ⁄ "
4
Excessive Noise and Vibration:
Plated steel
See Probable Causes 3, 6, 7, 10, 12, 13, 14.
Stainless steel
PROBABLE CAUSES
1. Motor thermal protector tripped.
2. Open circuit breaker or blown fuse.
3. Impeller binding.
4. Motor improperly wired.
5. Defective motor.
6. Pump is not primed, air or gases in pumpage.
7. Discharge, suction plugged or valve closed.
8. Incorrect rotation. (3 phase only)
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.
FAILURE TO DISCONNECT
ELECTRICAL POWER BEFORE
ATTEMPTING ANY MAINTENANCE
CAN CAUSE SHOCK, BURNS OR
DEATH.
5