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Installation
3-9
P/N 7105144G
2008 Nordson Corporation
VersaBlue_NW
NOTE: For units with recirculation hoses: do not mistake recirculation
hoses for feed hoses.
If cold material can be found in the hose connection, the components (1, 2)
must be heated until the material softens (approx. 70 °C /158 °F, depending
on the material).
WARNING: Hot! Risk of burns. Wear heat-protective gloves.
2. Heat the melter and the hose to approx. 70 °C (158 °F).
CAUTION: Close unused hose connections with Nordson port plugs.
Fig. 3-13
Disconnecting
WARNING: System and material pressurized. Relieve system pressure
before disconnecting hoses. Failure to observe can result in serious burns.
Relieving Pressure
1. Set motor speed to 0 min
-1
(rpm). Switch off the motor(s) (Refer to
section Operation).
2. Place a container under the air relief valves (1, Fig. 3-14) to be opened.
3. Use a screwdriver to turn the air relief valve screws counterclockwise
and open the valves.
4. Material flows out of the air relief holes, and the melter is relieved of
pressure.
Fig. 3-14
5. Use a screwdriver to turn the air relief valve screws clockwise and close
the valves.
6. Place a container under the nozzle(s) of the gun / assembly handgun.
7. Activate the solenoid valve(s) electrically or manually, or pull the trigger
of the assembly handgun. Repeat this procedure until no more material
flows out.
8. Properly dispose of material according to local regulations.
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