2.5
Table 2.1 Rack mount installation kit parts list
Item Description
1 Telescopic slide, inner and outer
2 Screw M5
3 Slide support bracket
4 Cage nut
5 Slide support clamp
6 Waisted screw, brass, M5
7 Screw, M4
8 Washer, M4
9 Locking washer, M4
10 Nut, M4
11 Screw, chrome plated, cross head, M5
12 Cup washer, plastic
If the instrument has been purchased with the rack mounting option then the rack slide
inners will already be mounted on the analyser chassis. If the rack mounting kit has
been purchased as a spare then the instructions in this section detail fitting. The rack
mounting kit contains two slides (item 1) which have an inner and outer section.
The analyser occupies 3U/5.25"/133 mm of rack space. Determine at what height the
analyser is to be installed in the rack enclosure. The analyser will occupy nine rack
flange cage nut positions. Note that intermediate cage nut positions need not be
punched out.
Remove the inner section from each slide (item 1) and fix one to each
side of the chassis using 3 screws (item 2) for 4902 models or 4 screws
(item 2) for 4904 models.
Counting from the bottom cage nut position, install cage nuts (item 4) in
positions 1,3,4 and 8 on front two rack enclosure flanges. Install cage
nuts in positions 1 and 4 on rear two rack enclosure flanges.
Insert the two waisted screws (item 6) fully into front cage nuts, positions
1 and 4, on both front and rear rack enclosure flanges.
Present the slide support clamp (item 5) behind the rack enclosure front
flange, and line up with cage nut positions 1 and 4.
Engage the two waisted screws (item 6) in the slide support clamp, but
do not tighten.
Fit the slide support (item 3) between the cage nuts (item 4) and the slide
support clamp (item 5), note that the front slide supports face backwards
and the rear slide supports face forwards.
Tighten the two waisted screws (item 6) to clamp the slide support (item
3) between the cage nuts (item 4) and the slide support clamp (item 5).
Loosely fit the two rack slide outer sections (item 1), to the slide supports
(item 3) in four places using fixings (items 7,8,9,10). Note that the slide
outer section item 1 should be mounted so that the slide inner (item 1)
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