IBM TotalStorage 2109 M12, Installation And Service Manual

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d. Align the one-pin section of the support on the front of the vertical rail with
the middle hole in EIA unit 18.
13. Turn the winch crank counterclockwise, 1/4 turn, to set the winch brake.
14. Set the wheel brake and place the wheel chocks around the wheels.
15. Remove the retention straps.
16. Slide the switch into the cabinet.
17. Remove the wheel chocks, release the wheel brake, and move the lift tool
away from the cabinet.
18. Reinstall the power supplies and blower assemblies.
19. Fasten the two flat left and right upper mount brackets that are on the chassis
to the two L-shaped upper left and right cabinet mount brackets. Use the two
screws that were set aside in step 5 on page 46. Tighten the screws. See
Figure 29.
20. Fasten the port side of the chassis to the cabinet rails. Use two of the 10–32 x
5/8-in. Phillips panhead screws with washers on each side. Tighten the screws.
See Figure 30 on page 52 for the location of the screws.
SJ000667
Flat Upper Rack
Mount Bracket
Screw (2 shown;
Items 3c and 4c)
Figure 29. Attaching the mount brackets to the cabinet rails
Chapter 5. Installing and removing Model M12 switches
51