Detector Assembly Replacement - Hach Surface Scatter 7 sc User Manual

Maintenance
1 Shield assembly (Cat. No. 45299-00)
2 Wavy washer (2x) (Cat. No. 45042-00)
3 Medium aperture (Cat. No. 45044-00)
4 Large aperture (Cat. No. 45045-00)
5 Retaining ring (Cat. No. 45041-00)
6 Lens holder (Cat. No. 45040-00)
7 Small aperture (Cat. No. 45043-00)
8 Large lens (2x) (Cat. No. 44114-00)
9 Medium spacer (Cat. No. 45036-00)

6.4.3 Detector assembly replacement

44
Figure 19 Light source assembly
10 Spacer, light source (Cat. No. 45039-00)
11 Gasket (Cat. No. 45033-00)
12 End plate (Cat. No. 45032-00)
13 Body (Cat. No. 45027-00)
14 Large spacer (Cat. No. 45037-00)
15 Small lens (Cat. No. 31465-00)
16 Small spacer (4x) (Cat. No. 45038-00)
17 Screws (8x) (Cat. No. 5584-11)
The detector assembly, listed as a replacement item in
on page 51, is a sealed unit that is replaced entirely
1. Write down the controller setup for all analog outputs and/or
relays used with the SS7 sc.
2. Turn off the controller and disconnect it from power.
3. Disconnect the detector cable from the controller. Unscrew the
nut (Figure 20, item 8) and remove it from the disconnected
detector cable.
4. Open the SS7 sc enclosure door. Using a blunt object (¼-inch
diameter or less, e. g. the blunt end of a pen) push on the
bushing from the inside of the enclosure until it is free of the
strain relief and clamping fingers. Remove the grommet from
the detector cable.
5. Pull the detector cable through the strain relief. Open the cable
clamps (Figure 20, item 3) and remove the cable.
section 8.1
(Figure 20).