Trouble Shooting; Motor Not Running - ITT GOULDS PUMPS 3656 Instrucciones De Operación, Instalación Y Mantenimiento

3. Install the two piece Teflon lantern ring supplied as shown
in figure 8. Note: two pieces make one ring. Notches on
ring must face each other, but alignment is not necessary.
Teflon Lantern Ring
Figure 8
4. Install the packing rings and lantern ring in the following
sequence to pack the packed box. Install two rings of
packing, then the lantern ring, followed by the final three
rings of packing. Install each ring separately and firmly
seat. The use of a wooden split bushing is recommended
to accomplish this. See Figure 9. Use gland to jack the
bushing and ring into the box. Stagger joints in each ring
90°. Make sure the flush tap in the packed box lines up
with the center of the lantern ring. Any extra rings are
spares.
STUFFING
BOX
Figure 9
5. Tighten gland nuts evenly, but not tight. When the pump
is started, slowly tighten the gland nuts until the leak rate
is between 40 and 60 drops per minute. A grease lubricant
can be used when the pumpage contains abrasive particles
or for a suction lift condition.
REMOVAL OF PACKED BOX
• Follow these steps to remove the packing from the
packed box.
1. Remove gland assembly.
2. With a "packing hook" remove packing.
3. Insert a wire hook into the ring on the outer edge to
remove the lantern ring.
4. Clean the packed box.
WOODEN "SPLIT BUSHING"
GLAND
SHAFT
Trouble Shooting Guide
DISCONNECT AND LOCKOUT
WARNING
ELECTRICAL POWER BEFORE
ATTEMPTING ANY MAINTENANCE.
FAILURE TO DO SO CAN CAUSE A
SHOCK, BURN OR DEATH.
Hazardous voltage
can shock, burn or
cause death.
SYMPTOM

MOTOR NOT RUNNING

See Probable Cause – 1 through 5
LITTLE OR NO LIQUID DELIVERED
See Probable Cause – 6 through 13
EXCESSIVE POWER CONSUMPTION
See Probable Cause – 3, 13, 14, 15
EXCESSIVE NOISE and VIBRATION
See Probable Cause – 3, 6, 7, 10, 12, 14, 16, 17
PROBABLE CAUSE
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. NPSH too low – Excessive Suction lift or losses
A
13. Incorrect impeller diameter
14. Discharge head too low – excessive flow rate
15. Fluid viscosity, specific gravity too high
16. Worn bearing
17. Pump, motor or piping loose
7