Installation Instructions

Adding a Second Set of IDRFs Chapter 3: Low -to -Mid Capacit y Fr ame Expansion Procedures

Tools

The following tools are required:

• TORX T25 bit and driver

• T orque driver

Procedure

Procedure 3 -4 contains the steps for adding a second set of IDRFs to the IDRF shelf .

Procedure 3 -4 Adding a second set of IDRFs to the IDRF shelf

Remove the additional IDRFs from their packaging and inspect them for

damage.

While working at the front/top of the UBS Macro BTS frame, pick up an

additional IDRF and mount it into the IDRF shelf as follows:

• P osition the IDRF with the IDRF mounting plate on top/facing upward

and the mounting plate ﬂange is on the right side (see Figure 3-4

Installing the second set of IDRFs on page 3- 17 photograph B ).

• Insert the ﬁrst IDRF into the sector 1 position on the right half of the top

of the IDRF shelf (see photograph A ).

• Slide the IDRF down into the IDRF shelf .

Repeat step 2 for the remaining IDRFs, but insert them in sector 2 and sector

3 positions.

Insert four mounting screws through each IDRF mounting plate and into the

IDRF shelf . Using a T25 TORX driver , tighten the mounting screws for all of

the additional IDRFs to 4.8 N-m (42.25 in-lb) ±10%.

3 -16 68P09283A62 -3

PRELIMINARY A UG 2007