Installation Instructions
R20 1X UBS Macro B T S Hardw are Installation T ask 5: R ack Mounting for Low -Capacit y Fr ame
Procedure
Procedure 2 -4 gives the procedure for performing T ask 5.
Procedure 2 -4 R ack Mounting the Low -Capacit y , +27 V DC UBS Macro B T S Assembly
1
Using a tape measure, measure mounting hanger screw location heights on
each side of the rack (see Figure 2-15 Hanger screw layout for UBS Macro
carrier strip assembly on page 2- 39 ). Measure down from the very top of the
rack. Mark the following screw locations:
• 95.25 mm (3.75 inches) for the top of the UBS Macro carrier strip
assembly
2
P artially insert an M5 x 12 mm screw into each location marked on the rack.
Leave the screw heads extending 7 mm out from the rack surface.
3
Move the pallet with the unpacked UBS Macro carrier strip assembly and
support near the rack so as to allow movement on both sides of the support
and in front of the rack. Leave the carrier strip assembly on the support.
4
The carrier strips allow four people to carefully lift the UBS Macro
carrier strip assembly off the support and onto the rack. The
assembly can also be lifted via some mechanical aid (hoist, etc.)
attached to the lifting loops on the ends of the carrier strips.
F our people, two on each side, are needed to lift the carrier strip
assembly .
Lift the UBS Macro carrier strip assembly up and off of the support and hang
it on the rack (see Figure 2-16 Lifting and hanging the carrier strip assembly
on the rack on page 2- 40 ).
5
Using the carrier strip hanger screws previously installed in the rack, align
the top carrier strip keyhole slots with the two hanger screws. Hang the
carrier strip assembly on these two screws.
6
Insert a screw in the two bottom carrier strip keyhole slots (see Figure 2-17
Carrier strip assembly keyhole screw locations on page 2- 41 ). Do not tighten
the screws in carrier strip keyhole slots.
7
Insert screws in the 22 open slots of the various shelves of the carrier strip
assembly . Using a T25 TORX driver , tighten these 22 screws to 4.77 N-m
(42 in-lb).
Continued
68P09283A62 -3 2 -37
PRELIMINARY A UG 2007