Service Manual
23/46
Issue 3.1
Ref. NR-00019-ENG
http://www.gamapur.com/
CAUTION!
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.
When you plan to shut down the machine for more than five weeks, the products contained in
the machine must be replaced by DOTP plasticizing agent.
Follow the recommended procedures in the order indicated:
Remove the recirculation hoses and place them in two separate vessels to gather up the
products contained inside the machine.
NOTE:
Should the products be used again, use a proper vessel to store them, following
the instructions from your product supplier.
a) Open the manual valves at the bottom of the tanks.
b) Open the manual recirculation valves.
c) Open the
“RETRACT” valve (vertical position).
d) Turn the general switch
“ON”. Using the air pressure regulators, turn anti-clockwise until
the end.
e) Push the
“START” green button. The temperature regulator displays will light on,
(whenever the switch
of the heaters is in “On“). Check the product pumps begin to
move slowly.
f) If necessary, increase the pneumatic pressure by turning the regulator clockwise until
the product pumps begin to move slowly.
g) Allow the materials to come out of the recirculation hose until the tanks are completely
empty.
h) Turn the general switch
“OFF”. The temperature regulator displays will then go out.
i) Close the product manual valves at the bottom of the tanks.
j) Fill the component tanks using DOTP cleaning agent (about 5 liters in each tank).
k) Open the product manual valves at the bottom of the tanks.
l) Place the recirculation hoses to their tanks again and make sure the recirculation valves
are open.
m) Dismantle the gun and leave the coupling block connected to the hoses. Make sure the
gun valves are closed.
n) Turn the general switch
“ON”.
o) Push the
“START” green button. The temperature regulator displays will light on,
(whenever the switch of the heaters is in “On“). Check that the product pumps move.
p) Maintain the unit recirculating for about 2-3 minutes to clean the hoses and the tanks.
For a better cleaning of the tanks, the cleaning agent can be heated through the
heaters.
q) Turn the general switch
“OFF”. The temperature regulator displays will then go out.
r) Remove the recirculation hoses again and place them in two separate vessels to gather
up the products contained inside the machine.
s) Turn the general switch
“ON”.
t) Push the
“START” green button, the temperature regulator will light on, (whenever the
switch of the heaters is in “On“). Check the product pumps begin to slowly move.
u) Allow the materials to come out of the recirculation hoses until the tanks are empty.
SHUTDOWN PROCEDURES
