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5
Repair Parts
Location Description
Material
Qty.
Case 1½" NPT
1
Case 2" NPT
Cast Iron
1
Case 2½" NPT
2
Pipe Plug ¼" NPT
Suction Flange
Zinc Plated
1
Case Steel
2
3
Diffuser Seal Ring
BUNA
1
4
Diffuser – High Head
Cast Iron
1
Diffuser – Medium Head
5
Casing Wear Ring
Bronze*
1
6 Impeller
Screw
AISI 300 SS
1
7 Impeller
Washer
1
Impeller – High Head
5 HP
8
3
HP
Sil-Brass*
1
Impeller – Medium Head
5
HP
3
HP
9 Mechanical
Seal
**
1
10 O-Ring
BUNA-N
1
11
Motor Adapter – 140/180 FR
Cast Iron
1
12
Hex Head Cap Screw
Case
Zinc Plated
8
.38 – 16 UNC .88 Lg
Motor
Steel
4
13 Shaft
Sleeve
AISI 300 SS
1
14
Key – Square End
15
Check Valve Assembly
BUNA-SS
1
16
Hex Head Cap Screw .31 – 18 UNC .75 Lg
Zinc Plated
4
Steel
1"
NPT
17
Suction Flange
2½" NPT
Cast Iron
1
3"
NPT
* Lead Free
** Consult Factory
Troubleshooting
FAILURE TO DISCONNECT
ELECTRICAL POWER BEFORE AT-
TEMPTING ANY MAINTENANCE
CAN CAUSE SHOCK, BURNS OR
DEATH.
SYMPTOM
Motor Not Running:
See Probable Causes 1 through 5.
Little or No Water Delivered:
See Probable Causes 3, 4, 6 through 12, 15, 16.
Excessive Noise and Vibration:
See Probable Causes 3, 6, 7, 10, 12, 13, 14.
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.
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 fl ow rates.
14.
Pump, motor or piping loose.
15.
End of suction piping not submerged.
16.
Check valve damaged.
WARNING
Hazardous voltage
can shock, burn or
cause death.
2
15
3
4
5
7 14
8
9
6
10 11
12
12
13
16
2
1
17
2
Содержание 30SMP3
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