GAMA ESH150-3PE, Руководство по обслуживанию

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ESH150
–3PE~400V
Service Manual
35/56 Issue 1.0 Ref. NR-000144-ENG
http://www.gamapur.com/
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.
To avoid possible contamination, all
the unit’s circuits (pumps, heaters and hoses) must be
cleaned before applications which require a change of components.
Follow the steps given below to clean the unit before changing any of its components:
a) Disconnect the isocyanate and polyol recirculation tubes and place them in separate
waste recipients.
NOTE :
Save reusable products to suitable recipients, following the instructions of the
manufacturer.
b) Open the manual purge valves located under each tank.
c) Open the manual recirculation valves.
d) Place the tubs containing the DOTP cleaning agent near the unit.
e) Dismount the gun and leave the coupling block joined to the hoses.
f) Put the recirculation hose end in a recipient to collect the products contained in the
tanks and inside the unit.
g) Rotate the power switch to the ON position.
h) Check that the taps on the coupling block are closed and press the CONTROL
POWER, MOTOR and NORMAL buttons to start the proportioning pumps.
i) Check that the product pumps are working.
j) Let the materials drain into the recipient from the recirculation hoses until the tanks are
completely empty.
k) Press the NORMAL, MOTOR and CONTROL POWER buttons to stop the proportioning
pumps. The displays on the temperature regulators will go out.
l) Rotate the power switch to the OFF position.
m) Close the manual valves located below each product tank.
n) Fill the product tanks with DOTP cleaning agent (approx. 5 litres).
o) Open the manual purge valves located under each tank.
p) Close the recirculation valves for each product.
q) Reconnect the recirculation hoses to their respective tanks and re-open the recirculation
valves.
r) Rotate the power switch to the ON position.
s) Press the CONTROL POWER, MOTOR and NORMAL buttons to start the proportioning
pumps.
t) Let the unit recirculate for 2-3 minutes to clean the hoses and tanks. For better tank
cleaning results, heat the cleaning agent with the heaters.
u) Press the NORMAL, MOTOR and CONTROL POWER buttons to stop the proportioning
pumps. The displays on the temperature regulators will go out.
v) Rotate the power switch to the OFF position.
w) Close the recirculation valves located under each product tank.
CLEANING PROCEDURE (RECIRCULATION HOSES TANKS)