Troubleshooting - Neptun NCBP-E 18 Manual De Instrucciones

9. Troubleshooting

Fault
Engine does not
start
Pump fails to prime
Insuffi cient pumping
rate
Important. The pump must not run dry.
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Anl_NCBP_E_18_SPK7.indb 17 Anl_NCBP_E_18_SPK7.indb 17
GB
Cause
- Spark plug fouled
- Air fi lter dirty
- No fuel in the tank
- Automatic oil cut-out has not
responded
- Intake valve not in the water
- No water in the pump chamber
- Air in the intake line
- Intake cage (intake valve) blocked
- Max. intake head exceeded
- Intake head too high
- Intake cage soiled
- Water level falling rapidly and intake
line is out of the water-
- Pump performance reduced by de-
posits
- 17 -
Remedy
- Clean or replace the spark plug
- Clean the air fi lter.
- Top up fuel.
- Check oil level, top up engine oil
- Place the intake valve in the water
- Fill the pump chamber with water
through the fi ller neck
- Check the intake line for leaks and
seal it if necessary.
- Clean intake cage
- Check intake head and reduce it if
necessary
- Check intake head and reduce it if
necessary
- Clean intake cage
- Place the intake line at a deeper
level
- Clean pump
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