Dynapac BA41/BB Series, Инструкция и каталог запасных частей

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INSTRUCTIONS MANUAL – BA41E
File: 4700369943_ENG_NO.doc Page 6 / 25
GENERAL
The vacuum unit BA41 is used together with the DYNAPAC suction mats BB in order to reduce the water
content 20-25% in fresh concrete .
DESIGN
1 Discharge side
2 Lid
3 Clamps
4 Reduction valve
5 Lifting eye
6 Vacuum gauge
7 Electric motor
8 Handle
9 Switch with phase shifter
10 Lid in the bottom of the tank
11 Tank
12 Two-way valve in the suction
side
13 Plug
14 Pump body
15 Pneumatic rubber wheel
16 Appliance inlet
17 Overload release .
DESCRIPTION
The vacuum pump 14 of liquid ring type, is driven by an electric motor 7. Water is removed from the concrete
floor through the suction mat and connecting hose to the vacuum compartment 11 .
The water then passes through the pump and into the water compartment of the tank, from where it drains
out through the discharge hose to a suitable collection point. The valve 4 is used to:
-
Adjust the vacuum when starting or during operation.
-
Equalize the water-levels in water and vacuum compartments.
-
Avoid cavitation during extreme running conditions.
The motor protection 9 is used to choose the right direction of pump rotation.
The tank is provided with top and bottom easily removable lids making easier the cleaning .
A filter in the tank prevents dirt from getting into the pump .
The pump is equipped with double suction hose connection which enable the use of two suction mats
simultaneously .