Installation Instructions

T ask 5: R ack Mounting for Low -Capacit y Fr ame Chapter 2: UBS Macro B T S Installation Procedure
Procedure 2 -4 R ack Mounting the Low -Capacit y , +27 V DC UBS Macro B T S Assembly
(Continued)
7
Using two hands, grasp the XMI by its handle and lift it straight up and out
of the UBS Macro carrier strip assembly (see photographs C and D). Set
the XMI aside for later reinstallation.
An XMI module that is not in a shelf should alw a ys be set on its
side and nev er on its edge. This will prev ent the XMI module from
tipping o v er and causing damage or injury .
8
The carrier strips allow up to 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 with the XMI installed.
T wo people, one on each side, are needed to lift the carrier strip
assembly without the XMI installed.
Lift the UBS Macro carrier strip assembly up and off of the support and onto
the rack (see Figure 2-17 Lifting and hanging the carrier strip assembly on
the rack (XMI shown removed) on page 2- 42 ).
9
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.
10
Insert a screw in the two bottom carrier strip keyhole slots (see Figure 2-18
Carrier strip assembly keyhole screw locations on page 2- 43 ). Do not tighten
the screws in carrier strip keyhole slots.
1 1
Insert screws in the 22 open slots of the various shelves of the carrier strip
assembly . Using a T25 TORX driver , tighten these 24 screws to 4.77 N-m
(42 in-lb).
12
Using a T25 TORX driver , tighten the four screws in carrier strip keyhole
slots to 4.77 N-m (42 in-lb).
13
If the XMI was removed, go to step 14 .
Continued
2 -38 68P09283A62 -2
PRELIMINARY A UG 2007