Extron electronic HSA 822 With the top panel bracket detached from the lifting, May result

Page 19

Maintenance and Modifications, cont’d

Top Panel

Bracket

Frame

Clevis Nut

Top Panel

 

Clevis

Gas Lift

Lifting

Platform

Enclosure

Frame

Figure 3-6 — Changing the gas lift

CAUTION

With the top panel bracket detached from the lifting

 

 

platform, the bracket will be floppy atop the gas lift.

 

 

Ensure that the bracket does not bang into the top

 

 

flange. Marring of the soft surface of the flange

 

 

may result

5.

Turn the enclosure frame rightside-up.

6.

Remove and retain the 9/32" nut and bolt that secure the

 

gas lift to the top panel clevis. Lift the top panel and clevis

 

off of the gas lift and set it aside on the bracket flanges.

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.

 

Ensure that the top panel bracket does not contact

CAUTION

 

 

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 upside-down and place it on the soft cloth

 

surface.

 

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.

3-10 HSA 822 Hideaway® Enclosure • Maintenance and Modifications

HSA 822 Hideaway® Enclosure • Maintenance and Modifications 3-11

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Contents HSA Hideaway Surface Access EnclosureExtron’s Warranty PrecautionsPage Table of Contents Introduction Table of Contents, cont’dHSA 822 Hideaway Enclosure About the HSA 822 Hideaway Enclosure IntroductionFeatures InstallationIntroduction, cont’d Installation Overview InstallationPreparing the Routing Template Assembly to the table with C-clamps figure Other installation surface. Mark the locationPlace the routing template assembly on the table, centered Once the template assembly is positioned properly, secureFinishes Installation, cont’dClean the HSA. Strong solvents will ruin some Do not use isopropyl alcohol or other solvents toInstallation, cont’d Cabling and Installing the AAPs Bottom panel features Installation, cont’d Cabling the EnclosureAn RJ-11 telephone plug can be connected to the RJ-45 jack Bezels Installation, cont’d Routing the AAP CablesThree Maintenance and ModificationsReplacing an AAP Maintenance and ModificationsRemoving and Replacing the Enclosure Maintenance and Modifications, cont’d Replacing the BezelsMaintenance and Modifications, cont’d Replacing the Gas Lift Platform, the bracket will be floppy atop the gas lift Insert the shaft end of the replacement gas lift throughReconnect the interior AC power cables With the top panel bracket detached from the liftingHeight adjustment locking screw slots Adjusting the height of the top surfaceReference Information Adjusting the top surface levelGeneral SpecificationsReference Information Part NumbersReference Information, cont’d Included Parts Template, Replacement Parts, and AccessoriesInterface Accessories Top Plate DimensionsReference Information, cont’d Packaging for ShipmentFigure B-1 HSA 822 return kit Packaging for ShipmentPackaging for Shipment, Cont’d Figure B-3 Installing protective stripsFigure B-6 Placing the HSA in the shipping carton Packaging for Shipment, Cont’d
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