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Specifications Information and Repair Parts Manual
IPT 2P5X, 2S5X, 2S5XC, 3S5X Series
2S5X-250-00
5
2/2018
IPT Series 2P5X, 2S5X, 2S5XC & 3S5X Pumps
Problem
Possible Cause(s)
Corrective Action
Pump fails to prime
1
Pump not filled with liquid
1
Add liquid to pump through priming port
2
Air leak at suction line connection
2
Add sealant to connection
3
Worn suction connection gasket
3
Replace suction gasket
4
Leaking suction line
4
Inspect, repair or replace suction line
5
Engine speed too low
5
Run engine at maximum speed
6
Worn or broken volute or impeller
6
Replace parts as required
7
Leaking/worn mechanical shaft seal
7
Replace mechanical shaft seal
8
Clogged suction strainer/line
8
Clean strainer and suction line
9
Suction lift too great (25 ft. max)
9
Reduce lift
10 Suction line too long
10 Reduce length to under 30 feet
11 Pump is air locked
11 Vent pump discharge through priming port
Priming remedies that will NOT work:
1. Holding suction line out of liquid source and forcing liquid into end while pump is running
2.
Pinching off the discharge line to “build up pressure”.
3. Holding hand against end of suction line or pump suction port to “feel” for suction.
Follow above priming troubleshooting guide.
If pump still will not prime after all corrective action is exhausted, check pump priming capacity by:
1. Install a vacuum gauge on capped suction port. Gauge to suction port connection must be
100% air tight.
2. Fill pump casing completely with water.
3. Run pump at full speed, some water will be thrown out of discharge.
4. Vacuum gauge should register 18-22 inches of mercury within a minute or so.
a. If vacuum registers below 18 in of hg check gauge to pump connection for air leaks,
inspect/replace volute, impeller and shaft seal as required.
b. If vacuum gauge value is within range pump is working correctly. The problem is not
the pump.
Reduced capacity or discharge
pressure
1. Clogged strainer or lines
1. Clean strainer, suction and discharge lines
2. High friction loss in line
2. Remove kinks and elbows, reduce length
3. Discharge head too high
3. Lower end of discharge line, remove
nozzles
4. Engine speed too low
4. Increase engine speed
5. Drop in engine output
5. Repair engine
6. Clogged impeller
6. Remove clog
7. Worn/damaged impeller or volute
7. Replace parts as required
Pump will not work/engine will not
turn over
1. Clogged pump
1. Remove clog between impeller and volute
2. Pump parts rusted together
2. Disassemble pump, free parts
3. Damaged impeller or volute
3. Replace volute or impeller
4. Engine seized
4. Remove pump from engine, check engine
itself
Pump will not work/engine runs
1. Impeller stripped/key sheared
1. Disassemble pump, replace parts/engine
2. Pump impeller/volute clogged
2. Clean pump
3. Will not prime
3. See Priming Troubleshooting Section
4.
Insufficient liquid supply
4. Increase liquid supply
Содержание IPT 2P5X Series
Страница 10: ...Specifications Information and Repair Parts Manual IPT 2P5X 2S5X 2S5XC 3S5X Series 2S5X 250 00 10 2 2018 NOTES ...
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