ESH150
–3PE~400V
Service Manual
37/56
Ref. NR-000144-ENG
WARNING!
This unit includes parts which reach temperatures likely to cause burns.
Do
not touch or handle the hot parts of the unit until they have cooled down.
When the unit is to be out of service for over FOUR weeks, you must replace the products
contained in the unit with DOTP plasticizer.
Follow the steps given below to replace the products with DOTP plasticizing agent:
NOTE:
If the products contained in the unit can be reused, save them to suitable
recipients, following the instructions of the supplier.
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 the MOTOR and NORMAL
keys to start up the dosing pumps.
f) Allow the products to come out until you see that only DOTP cleaning agent comes out
free of impurities.
g) Deactivate the MOTOR and NORMAL keys, close the valves on the coupling block, turn
the general switch OFF, disconnect the supply system of the transfer pumps and the
process is finished. The metering pumps, the heaters and the hoses must be full of
DOTP plasticizing oil. Never leave the machine or the hoses empty of product or DOTP
plasticizing oil.
NOTE:
Never use liquids not recommended or not approved by HI-TECH. Never use
approved liquids that have been contaminated with water or ISO/POL. If you are not sure
in the quality of the liquid, you are going to use we strongly recommend that you check
the machine 2-3 times every 2 weeks after you have filled it by recirculating through
heated hoses (see p.34) and/or hoses with recirculation (see p.35) with fresh plasticizer
unless you make sure the liquid that comes out is completely pure and clean.
TEMPORARY LAYOFF OF THE UNIT (HEATED HOSES
WITH TRANSFORMER)
