3
14
Installation
3-13
P/N 7135268B
E 2008 Nordson Corporation
PURBlue EC
Connecting Hose (contd.)
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 (3, 4)
must be heated until the material softens (approx. 70 °C (158 °F),
depending on material.
WARNING: Hot! Risk of burns. Wear heat-protective gloves.
2. Heat the melter and hose to approx. 70 °C (158 °F).
3. Connect the hoses in the order of the numbers on the manifold. This
prevents the creation of dead space that would otherwise result from
unused connections.
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. Switch off the motor(s) (Refer to section Operation).
2. Place a container under the nozzle(s) of the gun / assembly handgun.
3. 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.
4. Properly dispose of material according to local regulations.
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