Crane PROSSER HYMERGIBLE 7-06000 Series, Инструкция по установке и эксплуатации

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TROUBLE SHOOTING
CAUTION !
Always disconnect the pump from the electrical power source before handling.
If the system fails to operate properly, carefully read instructions and perform maintenance recommendations.
If operating problems persist, the following chart may be of assistance in identifying and correcting them:
MATCH “CAUSE” NUMBER WITH CORRELATING “CORRECTION” NUMBER
.
NOTE:
Not all problems and corrections will apply to each pump model.
PROBLEM CAUSE CORRECTION
Pump delivers insuffi cient capacity 1. Supply pressure fl ow too low.
2. Excessive infl ow or pump not properly sized for
application.
3. Discharge restricted
4. Check valve stuck closed or installed backwards
5. Shut-off valve closed
6. Impeller jammed or loose on shaft, worn or
damaged, impeller cavity or inlet plugged
7. Pump may be airlocked
8. Pump running backwards
9. Piping is leaking
1. Check supply pressure / fl ow.
2. Recheck all sizing calculations to
determine proper pump size.
3. Check discharge line for restrictions,
including ice if line passes through or into
cold areas.
4. Remove and examine check valve for
proper installation and freedom of
operation.
5. Open valve.
6. Check impeller for freedom of operation,
security and condition. Clean impeller and
inlet of any obstruction.
7. Loosen union slightly to allow trapped air
to escape. Clean vent hole.
8. Check rotation. Hydraulic lines may be
backwards.
9. Repair fi xtures as required to eliminate
leakage.
10. Replace portion of discharge pipe with
fl exible connector.
11. Repair pump, replace damaged bearings
and/or shaft.
Pump will not run 6. Impeller jammed or loose on shaft, worn
or damaged, impeller cavity or inlet plugged.
Pump operates noisily or vibrates
excessively 6. Debris in impeller cavity or broken impeller
8. Pump running backwards
10. Piping attachments to buiding structure too rigid
or too loose.
11. Worn bearings, motor shaft bent.