Maintenance and modifications, cont’d – Extron electronic HSA 822 User Manual
Page 19
Maintenance and Modifications, cont’d
HSA 822 Hideaway
®
Enclosure • Maintenance and Modifications
HSA 822 Hideaway
®
Enclosure • Maintenance and Modifications
3-10
3-11
Frame
Clevis Nut
Top Panel
Clevis
Enclosure
Frame
Top Panel
Bracket
Lifting
Platform
Gas Lift
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.
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 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
.