Opening The Hinge Brackets; Selecting Bracket Pins For Your Rack - IBM 2078-4F4 Quick Installation Manual

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1
Upper rail mounting bracket pin
2
Lower rail mounting bracket pin
3
Rack mounting screw hole
5. Ensure that the appropriate bracket pins are installed in the front and rear bracket of each rail.
Each rail comes with four medium pins preinstalled (two in the front bracket and two in the rear
bracket). Large and small pins are provided separately. Use the pins that are appropriate for the
mounting holes in your rack. See Table 19 on page 66.
Table 19. Selecting bracket pins for your rack
Mounting holes
Round,
unthreaded
Round, threaded Unscrew the medium pins and replace with the smaller pins that are supplied
Square
6. At each end of the rail, grasp the tab
page 66).
Figure 75. Opening the hinge brackets
7. Align the holes in the rail bracket with the holes on the front and rear rack cabinet flanges.
Ensure that the rails are aligned on the inside of the rack cabinet.
8. On the rear of the rail, press the two bracket pins into the holes in the rack flanges.
9. Close the rear hinge bracket to secure the rail to the rack cabinet flange.
(See Figure 76 on page 67.)
66 FlashSystem 5100 : Quick Installation Guide for MTM 2078-4F4, 2078-4H4, 2078-12G, 2078-AFG,
2078-24G, 2078-A9G, 2078-92G, and 2078-UHB
Bracket pins
Use the preinstalled medium pins.
with the rails.
Unscrew the medium pins and replace with the large pins that are supplied with
the rails.
1
and pull firmly to open the hinge bracket (see Figure 75 on

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