[venom]

just fitted a new pump on my ninja have run it for 2 days no problem ,got to my first job fri and no pressure pump sounds like its running but no pressure.i have used a compresor and blown air through the pipes and there dosn't seem to be a blockage . can anyone give me a clue as stumped ?

thanks in advance 

[markpowell]

Sounds like an air lock, do you have an open ended hose?
If not remove one of the brass ends from your solution hose, connect the other to the machine, fill with water and switch the pump on.
Mark

[venom]

have tried opened end hose with the vac hose on the end  no sucssess

[richie]

in all fairness its probably coz your a Man Utd fan 

[Ian Gourlay]

is yours one that circulates back into machine through heat exchanger when preasure turned down.

If so Suck by mouth

[Mark_Jubb]

Is this the new 200psi Pumptec Pump that was fitted ?

[venom]

yes worked for 2 days then no pressure


thanks for the replys but been on holiday for a week

[venom]

now sorted must have been a block blasted air down pipes with a compressor       

[Vernon Purcell]

Does your machine have an inline heater?

[venom]

Does your machine have an inline heater?

no just a normal heater
have now changed the water tank filter , couldn't see anything wromg with the other but process of elimination.

thanks for the replies