ESH150
–3PE~400V
Service manual
34/56
Ref. NR-000144-ENG
PRECAUTION!
The unit includes components that reach temperatures that are liable
to cause burns. The hot parts of the unit must not be handled until they have cooled.
To avoid possible contamination, the circuits of the unit must previously be cleaned (pumps,
heaters, and hoses) whenever applications have to be made that require a change of
components.
NOTE:
Save reusable products to suitable recipients, following the instructions of the
manufacturer.
Follow the recommended procedure in the order indicated to perform the cleaning when you
must change the components of the system:
a) Place two drums of DOTP cleaning agent close to the machine.
b) Dismantle the gun and leave the coupling block connected to the hoses.
c) Remove the transfer pumps of the product drums and place them in the drums of the
DOTP cleaning agent.
d) Place a vessel under the coupling block to gather up the products contained inside the
machine.
e) Open the manual valves on the coupling block and press CONTROL POWER, MOTOR
and NORMAL keys to start up the metering pumps.
f) Allow the products to come out until you see that only DOTP cleaning agent comes out
free of impurities.
g) Close the valves on the coupling block and deactivate the NORMAL, MOTOR and
CONTROL POWER keys.
h) Place the transfer pumps in the drums of the new products.
i)
Place a vessel under the coupling block to collect the DOTP cleaning agent.
j)
Open the valves on the coupling block and press the MOTOR and NORMAL keys to
start up the dosing pumps.
k) Allow the DOTP cleaning agent to come out until you see that only the new products
come out.
l)
When the products come out without the contamination produced by the effect of the
DOTP cleaning agent, the cleaning process is complete, and you can proceed as
normal.
CLEANING PROCEDURE (HEATED HOSES WITH
TRANSFORMER)