Floor Screed Machine HD 50
51
www.utiform.com
departamento.té[email protected]
Tfno. + 34 96 570 29 82 Fax: + 34 96 570 29 83
6. The safety valve trips due to
excess pressure. Pressure rises above
the working value and the machine
does not enter on empty
6.1. Regulation not properly
adjusted
6.2. Aspiration cylinder CA
stuck.
6.3. Pneumatic valve VN
obstructed.
6.4. RP not correctly regulated
6.1.1. Check and re-regulate.
6.2.1. Dismantle the cylinder check the
blockage and if necessary replace
6.3.1. Replace with a new one
6.4.1. Regulate correctly.
7. When it enters on empty it
continues to send air through the
mixer tank.
7.1. The aspiration device does
not close totally.
7.1.1. Check closure and if necessary replace.
Take action on the regulation screw of the
device.
8. After entering on empty the unit
does not enter on load mode.
8.1. Aspiration cylinder CA
stuck.
8.2. Electrovalve Y1 fails.
8.1.1. Dismantle the cylinder and check the
blockage and if necessary replace.
8.2.1. Replace electro valve Y1.
9. The motor does not reduce speed
when it enters in empty mode but
closes the compressor aspiration.
9.1. Failure of the speed variator
cylinder.
9.1.1. Check air leaks in the cylinder and
correct them.
9.1.2. Cylinder housing deteriorated. Replace.
9.1.3. Rod stuck. Check and clean
10. Motor speed or the aspirations
do not retain stable position.
10.1. Incorrectly regulated
10.1.1. Correctly regulate.
11. The working pressure is lower
than the nominal value for the unit.
11.1. More air is needed than that
provided by the compressor.
11.2. Does not reach the speed of
the motor indicated in the
specifications..
11.3. Aspiration filter obstructed.
11.4. Do not open the compressor
aspiration.
11.5. Separator filter obstructed.
11.6. Air leaks of the separator
tank.
11.1.1. Check the use, and verify and correct
leaks in the installation
11.2.1. Readjust regulation
11.3.1. Clean the filter or replace it.
11.4.1. See point 3 of the present table.
11.5.1. See section 12.7 of the Manual.
11.6.1. Check and correct leaks in the safety
valve or drive pipes
12. The motor stops when the starter
button is pressed.
12.1. There is oil pressure in the
motor.
12.1.1. Check the oil level in the motor.
13. The unit stops after working for
some time.
13.1. Some safety devices trip.
13.2. There is no apparent motive.
13.1.1. Check which one and correct the fault
in accordance with previous points.
13.2.1. In all cases and in the event of any
doubt consult UTIFORM technical service.
14.1. Not much oil injected.
14.1. Not much oil injected .
14.2. In effective cooling of the
unit.
14.3. Work position of the
machine slopes considerably.
14.4. Entry of air in the blocked
machine and/or recirculation of
the hot air.
14.1.1. Check and/or replace the oil filter.
14.1.2. Check for possible blockage in the
piping or in the calibrated opening OC1 and
for leaks in the oil circuit.
14.1.3. Not much oil. Fill with the compressor
stopped and WITHOUT PRESSURE.
14.2.1. Clean cooler.
14.2.2. Poor quality oil, replace it, stopping the
compressor and WITHOUT PRESSURE.
14.3.1. Correct the position leveling the unit.
14.4.1. Place the unit so that it does block the
entry of cold air and avoid possible
recirculation of hot air towards the cold air
entry.
