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S2-9 XXX Se ri es Dispensing Sys te m IOM Man ual Parts Replacement © 2023 Nordson C orpor ation 8-41 8.17.3 Replacing the 3-Way High Flow Valve To remove the 3-way high flow valve ( Figure 8-3 1): 1. Perform a service s…

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S2-9XXX Series Dispensing System IOM Manual Parts Replacement
8-40 © 2023 Nordson Corporation
8.17.2 Replacing the 3-Way Valve Assembly
To remove the 3-way valve assembly (Figure 8-30):
1. Perform a service shutdown, see 2.14 Service Shutdown.
2. Open the rear door of the dispensing system.
3. Disconnect the pneumatic and electrical connections to the 3-way valve assembly.
Note the connection locations.
4. Remove the two (2) screws securing the 3-way valve assembly to the panel.
5. Remove the 3-way valve assembly.
Item Description
1 Screws (2)
2 3-Way, 24V Valve (Item 18)
Figure 8-30 Replacing the 3-Way Valve Assembly
To install the 3-way valve assembly (Figure 8-30):
1. Install the two (2) screws securing the 3-way valve assembly to the panel.
2. Torque the two (2) screws to 0.67 Nm (6 in-lbs).
3. Connect the pneumatic and electrical connections to the 3-way valve assembly.
4. Close the rear door of the dispensing system.
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S2-9XXX Series Dispensing System IOM Manual Parts Replacement
© 2023 Nordson Corporation 8-41
8.17.3 Replacing the 3-Way High Flow Valve
To remove the 3-way high flow valve (Figure 8-31):
1. Perform a service shutdown, see 2.14 Service Shutdown.
2. Open the rear door of the dispensing system.
3. Disconnect the pneumatic and electrical connections to the 3-way high flow valve.
Note the connection locations.
4. Remove the two (2) screws and two (2) washers securing the 3-way high flow valve to the
dispensing system.
5. Re
move the 3-way high flow valve from the dispensing system.
Item Description
1 Screws (2)
2 Washer
3 Valve, 3-Way, High Flow (Item 19)
4 Washer
Figure 8-31 Replacing the 3-Way High Flow Valve
To install the 3-way high flow valve (Figure 8-31):
1. Install the 3-way high flow valve with two (2) screws and two (2) washers to the dispensing
system.
2. Torque the two (2) screws to 1.4 Nm (12 in-lbs).
3. Connect the pneumatic and electrical connections to the 3-way high flow valve.
4. Close the rear door of the dispensing system.
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S2-9XXX Series Dispensing System IOM Manual Parts Replacement
8-42 © 2023 Nordson Corporation
8.17.4 Replacing the Main Air Regulator
To remove the main air regulator (Figure 8-32):
1. Perform a service shutdown, see 2.14 Service Shutdown.
2. Rotate the main air regulator knobs counterclockwise until the main air regulators register
zero (0).
3. Disconnect the main air pressure hose from the main air regulator.
4. Open the rear door of the dispensing system.
5. Disconnect the pneumatic connection from the main air regulator.
6. Support the main air regulator and remove the regulator nut from the main air regulator.
7. Remove the main air regulator from the regulator panel.
Item Description
1 Main Air Regulator Knob
2 Screws (2)
3 FRU, Assy, Main Air Regulator, S-9XX (Item 24)
Figure 8-32 Replacing the Main Air Regulator
To install the main air regulator (Figure 8-32):
1. Support the main air regulator and install two (2) screws securing the main air regulator to
the dispensing system.
2. Connect the pneumatic connection to the main air regulator.
3. Close the rear door of the dispensing system.
4. Connect the main air pressure hose to the main air regulator.
5. Rotate the main air regulator knob counterclockwise until the pressure gauge registers
desired pressure, see 5.10
Adjusting the Air Pressure.
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