PFT G 5 SUPER Operating Manual Issued 11.2008
Knauf PFT GmbH & Co.KG
26
“HAND” (Manual Operation)
The star wheel always runs when the machine is connected and switched
on. Material can be added to the mixing chamber in this position when the
pump is not running. This is called pre-wetting. It is advisable to pre-wet in
the case of heavy materials or materials bonded with dispersion agents.
While doing so open the lower water inlet in the mixing chamber so that
excess water can run off. Interrupt power supply by removing blind plug.
„0“
The star wheel is switched off and the material supply to the mixing
chamber is interrupted (e.g. to clean mixing zone with mixing tube cleaner,
or to adjust pump).
„AUTOMATIC“
The star wheel runs simultaneously with the mixing pump and is switched
on and off with the air pressure control or remote control.
WARNING!
Do not remove protection grill when the machine is ready for operation!
Couple the mortar pressure gauge to the pressure flange.
Fill the material hopper with dry mortar:
Turn star wheel switch (1) to Automatic. Connect blind plug (2). The
machine is now in operation. Test the consistency of the mortar at the
mortar outlet flange. Do not connect a mortar hose yet. While the motor is
running, regulate the water quantity to approx. 10% higher than the rated
setting. The rated setting is the water setting at which the mortar has the
right flowing consistency.
(e.g. Knauf-MP 75 – rated setting approx. 650 to 750 l/h).
Optimize mortar consistency by increasing or decreasing water. Adjust the
water quantity with the needle valve. Watch this at the cone of the wate
flow meter. Turn hand wheel clockwise to decrease amount of water, and
anti-clockwise to increase amount of water.
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