Esmach NSE 30 Notice D'utilisation Et De Maintenance page 32

Instruction for use and maintenance
Spiral mixer with fixed bowl
Ref.: NSE 30M-NSE 45M-SPIRAL 50A–SPIRAL 70A
PROBLEM
When key "1" of the master
switch is pressed, the voltage
pilot light on the control panel
does not come on.
When the start
pressed, the machine does
not start.
During work, the
stops and the voltage pilot
light on the control panel goes
out.
In automatic cycle the ma-
chine does not switch from
st nd
the 1 to the 2 speed.
The bowl wobbles badly dur-
ing operation.
Rif.: NSE 60-NSE 80—NSE 100-NSE 130-NSE 160-NSE 200—SPIRAL 80E-
SPIRAL 110 E—SPIRAL 150E– SPIRAL 200E-SPIRAL 300E
PROBLEM
The spiral arm slows down
during mixing.
The bowl slows down during
mixing.
36
POSSIBLE CAUSE
- Pilot light bulb blown
- Transformer
fuses blown
- External
switch set to "0"
- Master switch failure
button is - Start button faulty
- Emergency button pressed
- Bowl protection raised
nd
- 2 speed timer set to "0"
- KA1 general start relay.
machine - Excess filling of bowl
- Thermal magnetic circuit
breaker cut in
- B owl
croswitch.
st
1 speed timer failure.
Minimum operation timer in
st
1 speed faulty (inside panel).
Check that the play between
bowl and sliding block is 2-3
mm.
POSSIBLE CAUSE
- Drive belts loose.
- Drive belts loose
Check and if necessary re-
protection place the faulty parts.
power supply
Release the emergency button
by turning it to the right.
Check and if necessary re-
place the faulty parts.
Check operation of the KA1
relay.
Check the thermal magnetic
circuit breaker.
Check operation of the bowl
pr ot e cti on mi - protection microswitch.
If after these checks the ma-
chine does not resume normal
operation, call the Technical
Support Service.
Check and if necessary re-
place the timer.
Check the roller or bowl guide
sliding block and replace if
necessary. To replace it, re-
move the rear cover and un-
screw the two fastening nuts
using an open-end spanner.
Tension the belts correctly fol-
lowing the instructions in Sec-
tion B point 6.
Turn the handwheels on the
base clockwise until you ob-
tain the right belt tension (see
section B, point 6).
POSSIBLE SOLUTION
POSSIBLE SOLUTION