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PFT N2V/N2 FU 400V
12
Mortar pump
04/2004
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Knauf PFT GmbH & Co.KG
Tel.
+49 (0) 9323/31-760
Postfach 60
Fax
+49 (0) 9323/31-770
D-97343 Iphofen
Internet
www.pft.de
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PFT N2V/N2 FU 400 PUMP SYSTEM
The PFT N2V/N2 FU 400 is equipped as standard with a maintenance-free pump
system.
NOTE:
Rotor and stator are subject to wear and must be inspected on a regular basis
and replaced if necessary.
Pressure
The PFT N2V/N2 FU 400 pump unit should attain a pressure of at least 15 - 20 bar
and a backpressure of approx. 6 - 8 bar when the machine is switched off.
Checking the conveying pressure and backpressure
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Fill the material hopper of the pump with water
-
Connect the 10 m conveying hose
-
Connect the mortar pressure gauge
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to the hose end of the spraying gun with the tap
-
Open the tap
-
Switch on the machine until water emerges from the spraying gun (bleeding the
hose)
-
Shut the tap
-
Let pump run against pressure until there is no more increase in pressure
-
If the required pressure of 15 - 20 bar is no longer attained, the pump must be
replaced
-
Check the backpressure
During installation/removal of the pump unit, the following must be observed:
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The power connection must be disconnected during assembly.
-
A new rotor and a new stator need to be run in; real pressure values can only be
determined after the first spraying.
-
Pump components which neither attain the required conveying pressure nor
maintain the required backpressure are worn out and must be replaced.
