Nordson Spectrum II S2-900 C Series, Installation, Operation And Maintenance Manual

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8-8 Parts Replacement
5. Before installing lens (P/N 7269305), remove the lower section from the middle section by
unscrewing the lower section counter-clockwise (Figure 8-4).
6. Remove the aperture disk (Figure 8-4).
7. Install one aperture disk into the lower section appropriate for the application, the F4
aperture disk is recommended as a starting point (Figure 8-5).

NOTE
New dispensing systems are shipped with one lens and four (4) aperture disks with the F4
aperture disk already installed. Replacement lenses are shipped with the F1.4 aperture
disk installed and need to have the F1.4 aperture disk removed.

NOTE
Aperture disks are also available to order as a set (P/N 6109565).
Item Description
1 Middle Section
2 Aperture Disk
3 Lower Section
Figure 8-4 Replacing the Aperture Disk
Item Description Item Description
1
F16 (Good Depth of Field,
Low Light Transmission)
3 F4 (Standard)
2 F8 4
F1.4 (Narrow Depth of Field,
Good Illumination)
Figure 8-5 Aperture Disks
1
2 3 4
2
1
3