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Maintenance and Modifications, cont'd
Setting the Manual Release Switch
This switch's position is properly set in the factory.
The manual release switch sets the amount of pressure needed
to activate the press-to-activate feature. If the switch is set too
low, you may have to push too hard on the platform. If the
switch is set too high, the drive mechanism may activate
sporadically. Set the height of the platform as follows:
It is unlikely that the position of the manual release
switch will ever need adjustment.
1.
Remove the surface mount enclosure from the table. See
Removing and Replacing the Enclosure, steps 1 through 12.
Place the enclosure on a horizontal surface. To protect the
finish, place the enclosure on a soft cloth. Let the AC and
control and status connectors (figure 3-1 on page 3-2, items
and
) hang off the edge of the surface so that they are
7
9
accessible.
2.
Plug in AC power and the control and status device.
3.
Activate the motor to raise the platform. Leave AC power
applied to the HSA.
Do not reach tools or your hands into the area
behind the AC connectors or into the vicinity of the
power supply.
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3-14
HSA 822M • Maintenance and Modifications
CAMBOARD Electronics
Manual
Release
Switch
Assembly
Lower
Limit
Set Screw
RJ-45
Connectors
Tel. 07131 911201
Fax 07131 911203
4.
Locate the manual release switch assembly (figure 3-9)
inside the enclosure.
Figure 3-9 — Location of manual release switch
assembly (seen from the side)
The manual release switch looks similar to, but not
exactly like the upper limit switch shown on page 3-12.
5.
Loosen the manual release lock nut.
6.
Rotate the manual set screw:
Clockwise to make the manual release more sensitive.
Counterclockwise to make the manual release less
sensitive (you must push harder to activate the press-to-
release feature).
7.
Press on the platform to activate the press-to-activate
function. If necessary, repeat step 6.
Pin 5 of the control and status connector (figure 3-1 on
page 3-2, item
) must be tied to ground to enable the
9
press-to-activate function.
8.
Tighten the manual release lock nut.
9.
Disconnect the power and control and status connectors.
10.
Reinstall the surface mount enclosure. See Removing and
Replacing the Enclosure, steps 14 through 20.
ce-info@camboard.de
HSA 822M • Maintenance and Modifications
Manual
Release
Switch
Manual
Release
Set Screw
3-15
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