IBM DR550 manual Attach the Rack to a Concrete Floor Beneath a Raised Floor

IBM System Storage DR550 Version 3.0 ------ 17 March 2006 Page 36

Attach the Rack to a Concrete Floor Beneath a Raised Floor

Obtain the services of a mechanical contractor to attach the rack-mounting plates to the concrete floor. The mechanical contractor needs to determine that the hardware being used to secure the rack-mounting plates to the concrete floor is sufficient to meet the requirements for the installation.

To attach the rack to a concrete floor, do the following:

1.Put the rack in its predetermined location and tighten the locking screws on the casters.

2.If installed, remove the top, left and right trim panels. The trim panels are held in place with spring clips. See the following illustration.

3.If installed, remove the front and rear doors. To remove a rack door, go to “Attaching Rack Doors”. After the rack doors have been removed, go to the next sub step.

4.Remove the front and rear doors. To remove a rack door, go to “Attaching Rack Doors”. After the rack doors have been removed, go to sub step 4.

5.Locate the hardware mounting kit and the two mounting plates. Refer to the following illustration when reviewing the contents of the hardware mounting kit. The mounting hardware kit contains the following:

a.4 Rack-mounting bolts

b.4 Thin washers

c.8 Plastic isolator bushings

d.4 Thick washers

e.4 Spacer

Note: If you are installing an ac-powered rack, temporarily install the lower plastic isolator bushings to help you locate the rack mounting plate. After the mounting plate has been correctly located remove the lower plastic isolator bushings.

6.Position the two mounting plates in the approximate mounting location under the rack.

	1
											1
			2	1		Rack Chassis								1 T00 Rack Chassis
	2					Top Trim Panel
														2 Rack-Mounting Bolt
3
	3					Left Side Trim Panel
								2
														3 Thin Washer
	4					Right Side Trim Panel
														4 Top Plastic Isolator
	5					Spring Clip
								3						Bushing
									4					5 Spacer
														6 Jam Nut
							667
														7 Leveling Foot
										5
		4
												6
													7
					5

7.Create a rack-mounting bolt assembly by adding the following items, in the order listed, to each rack-mounting bolt

a.Thin flat washer

b.Top plastic isolator bushing

c.Thick flat washer

d.Spacer

8.Insert a rack-mounting bolt assembly through each of the leveling feet.

9.Reposition the rack-mounting plates under the four rack-mounting bolts so that the mounting bolts are centered directly over the threaded bolt holes.

10.Turn the rack-mounting bolts 4 complete turns into the mounting plates threaded bolt holes.

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