ESH150
–3PE~400V
Service Manual
33/56
Ref. NR-000144-ENG
Follow the recommended procedure, in the sequence given, to power-down the unit when work
is stopped for the day:
a) Press the RETRACT button. The LED will light up.
b) Operate the gun, spraying into a waste recipient until the isocyanate proportioning
pump is in the retracted position and the spray angle begins to decrease.
WARNING!
To prevent product leakage and premature deterioration of the pump’s seal
rings, do not reduce the pressure to zero.
We recommend keeping the system at a
minimum pressure of 30 bars to prolong the life of the seal rings.
c) Press the MOTOR button. The LED will go out.
d) Press the ISO and RESIN buttons located below the heater temperature display. Both
LEDs will go out.
e) Press the button located under the HOSES display. The LED will go out.
f) Press the CONTROL POWER button. The LED will go out.
g) Rotate the power switch to the OFF position. The upper pilot light goes out.
h) Close the stop valves controlling intake of the products.
i)
Close the supply to the transfer pumps (if applicable).
j)
Disconnect the air supply to the transfer pumps (if applicable).
k) Close the manual valves on the coupling block and dismount the gun for carrying out
the necessary maintenance.
POWER-DOWN