7
USAGE RECOMMENDATIONS
The screeds are used to the vibration and the finishing of the floors. This work can be made directly on the
surface without guides. Thanks to its lightweight and to its mechanism producing a powerful vibration, the
screed is ideal to smooth rapidly and easily the floors (from 6 to 18 cm thickness) depending on the
concrete type.
In order to get a good finishing of the concrete surface, we recommend following these instructions:
1.- Before pouring the concrete mass on the structure, it is necessary to level properly the
concrete mass. To get a right compaction of the concrete, you should use the vibrating pokers
additionally. It's important to take references or levels out of the mass to see the level objective
clearly. The marks of the feet and the tool disappear after the last pass of the screed. The vibration
wave produced, reaches a depth of 18 cm depending on the type of concrete mass.
2.-
at the top speed and you must support the handle lightly in order to avoid the screed jumps over the
surface and does not create "waves" and "marks" with edges. Pull and push constantly the screed. It
is important to get a smooth surface. The screed must be in contact with the concrete. The screed
must not show any resistance to pulling, it must slip over the concrete. The speed to push and pull
the screed depends on the depth and the consistency of the mass.
3.- To judge the quality of the vibration, the marks of the feet and the beam must disappear. In
case of the concrete is not really smooth, repeat the previous instruction.
4.- Then, a mixture called "milk" appears on the surface (this is a mixture of 3-4 mm thickness
composed of water, concrete, and small sand particles).
5.- Water must evaporate quickly and the surface will become dull. The fine layer called "milk" is
acting as a cinder paper for the below layers and avoids the sweating effect. The water stays in the
below layers and the surface moistens.
6.- Several hours later, the concrete is ready for additional finishing operations. You can use a
trowel (single or double ride-on-type) or re-vibration equipment (double roller unit with integrated
en
vibrating system). These machines provide a higher resistance to wearing but are not required for all
the types of floors.
8
ELECTRIC SCHEME
QZE
1
QZE TURBO
13
10
When the mass is prepared, the screed is laid over the concrete mass with the motor running
6
12
3
2
4
6
12
3
2
11
7
MOT
1 ~
8
9
10
5
7
MOT
1 ~
8
14
ELECTRIC AND PETROL OSCILLATING SCREEDS "QZ" TYPE
1 2P+T or Schuko plug
Cable to switch section
2
1,5mm²
Cable to switch section
3
1,5mm²
4 Earth cable (green-yellow)
5 Earth connection point
6 Switch
7 Cable to motor section 1,5mm²
8 Cable to motor section 1,5mm²
9 Terminals box
10 Motor
11 capacitor
12 Switch box
13 2P Schuko plug
14 Monophase motor set