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DEFECTS
CAUSES
REMEDIES
The solvent bleeds out of the cover
Worn out gasket
Replace the gasket
Vapour manifold is clogged
Wash manifold and condenser by
pouring in clean solvent with a funnel
or by blowing in compressed air
Vapour condenser is clogged
Replace the condenser
The distillate outflow is blocked
Wash the discharge line by pouring clean
solvent in the vapour manifold with a
funnel and blow with compressed air
Check that the discharge line is not un-
der the distillate level in the collection
vessel
The 'RecBag' is damaged
Working temperature too high
Reduce the working temperature
Use 'RecBag T'
The solvent is acid
Distil only neutral solvents
Cover gasket swells
The boiler cover is opened when the
machine is still hot
Wait until the oil temperature has
sunk under 50 °C, before opening the
cover
The cover gasket is not suitable for
the type of solvent treated
Mount the suitable gasket
Smoke comes out from under the cover
Overheating of the polluting products or
presence of nitrocellulose
Reduce the working time and/or temper-
ature. Possibly distil under vacuum with
the suitable kit (optional)
Worn out gasket
Replace the gasket
The red indicator light switches on
“ALARM”
Diathermic oil temperature is higher
than the maximum allowed one: ther-
mostat of maximum temperature inter-
venes
Replace the working thermostat and re-
set the maximum thermostat by pushing
the reset button of the thermostat
Distillate temperature is over 60 °C
Verify the correct functioning of the con-
denser and its fan
Ambient temperature is too high
Ventilate the room or do not work at
very warm days
Ventilator motor burnt out
Replace ventilator motor
Vapour condenser dirty on the outside Clean with a compressed air jet
The security thermostat of the con-
denser is defected
Call the producer for the setting or re-
placement of the thermostat
The red indicator light flashes
“ALARM”
The machine has reached 2000 working
hours
Replace the oil and clean the heating el-
ement
Содержание Drester 120
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Страница 23: ...22 10 SPARE PARTS...
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