4.Open and close the top panel as necessary to access the center lifting platform (see figure 17). Remove the four screws that secure the top panel bracket to the lifting platform.
Top Panel
Bracket
Frame
Clevis Nut
Top Panel |
|
Clevis | Gas Lift |
Lifting
Platform
Enclosure
Frame
Figure 17. Changing the Gas Lift
CAUTION: With the top panel bracket detached from the lifting platform, the bracket will be loose atop the gas lift. Ensure that the bracket does not contact the top flange. Marring of the soft surface of the flange may result.
5.Turn the enclosure frame
6.Remove and retain the
7.Turn the gas lift counterclockwise until the lift comes free of the frame clevis nut at the bottom of the enclosure frame. Carefully draw the gas lift out through the top of the enclosure frame.
8.Insert the shaft end of the replacement gas lift through the hole in the lifting platform. Thread the shaft of the gas lift into the frame clevis nut and tighten it several turns.
CAUTION: Ensure that the top panel bracket does not contact the top flange. Marring of the soft surface of the flange may result.
9.Hold the top panel in position above the gas lift. Secure the gas lift to the top panel clevis with the nut and bolt that were removed in step 6.
10.Reconnect the interior AC power cables.
11.If necessary, release (extend) the top panel. Turn the enclosure frame
12.Secure the top panel bracket to the lifting platform with the four screws removed in step 4.
13.Reinstall the surface mount enclosure. See “Removing and Replacing the Enclosure”, steps 11 through 18.
24 HSA 822 Hideaway Enclosure • Maintenance and Modifications | HSA 822 Hideaway Enclosure • Maintenance and Modifications 25 |