1261B User Manual
Racal Instruments
Ó
1995
Configuring The 1261B 2-11
Preparing The
Mainframe For
Rack Mounting
(Omit steps 4 and
5 for options
without slides)
Complete the steps below while referring to
Figures 2-3, 2-4, 2-5
and
Table 2-1.
1. Secure rack mount ears (Items 4 and 5) to the mainframe.
See
Installing The Slides Into The Rack,
Items 1, 2 and 3.
2. Install handles (Item 27) onto rack mount ears (Items 4,5)
with screws (Item 21).
3. Remove bottom feet, screws and washer - four places.
4. Remove plastic rivets (3 per side) at slide mount screw hole
locations (Item 16).
5. Remove the instrument (mainframe) rail from slide
assemblies installed in rack. This is easily done by first
extending the instrument rail out until it locks in the open
position as shown in
Figure 2-7.
Depress the locking button
and hold it in to unlock the rail. Slide the rail over the button
and completely out of the slide mount assembly.
Mount the instrument (chassis) rails to the mainframe left and right
hand side panels using screws (Item 16).
Installing The
Mainframe into
The Rack
(Omit
step 1 for options
without slides)
Assistance of a second person or a mechanical lift will be needed
to align and engage the mainframe with the slide assemblies in the
rack.
NOTE
If slides are not used to mount the mainframe in the
rack, right angle runners or a base plate MUST be
used to support the mainframe.
CAUTION
DO NOT attempt to support the mainframe in the rack
with the rack mount ear only.
1. Install the mainframe with its two attached instrument rails
onto the quick disconnect slide mount assemblies (installed in
the instrument rack). Be sure the mainframe is properly
aligned and square with the slide assemblies. Remember to
depress the locking buttons when inserting the instrument
rails into the slide mount assemblies. When properly
installed, the instrument should slide freely on the slide rails.
If binding occurs, slide bracket-to-rack rail mounting screw
should be loosened and re-adjusted to relieve binding.
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