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GENERAL
ELECTRIC
MEDICAL
SYSTEMS
AMX-H X-RAY UNIT
10-377
|
SM A0654E
9-4
Vertical Column and Horizontal Arm
Balance
NOTE:
As all components are now mounted on the vertical column, the counterbalancing should
|
be checked.
If an extension cylinder is included with the system, counterbalancing should
be checked with the extension cylinder off the unit.
1.
Remove the rectangular cover at the
rear base of the column.
It is held
with two screws on the sides.
2.
Check that the counterpoise cable is
riding in the cable guide.
If not, raise
the vertical carriage to the top of its
travel and use a smooth surfaced tool,
so as not to damage the cable, to place
the cable in the groove of the guide.
ES
COUNTERPOISE
CABLE
GUIDE
3.
Check the counterbalance. !t is prop-
erly adjusted when it requires the same
force (about 5 to 13 lbs) (2.3 to 5.9 kg)
to move the arm up or down. The Tel-
escoping Arm should balance at any
point except the top most 2" (50.8 mm)
and bottom most 10" (254 mm) of
vertical travel.
4.
Counterbalancing adjustment maybe re-
quired. Use a socket wrench to turn the 1-
1/16" inch nut at the top of the column.
23570-P10
Earlier units require that the trim cover be
ILLUSTRATION 4-11-26
removed from the top of the column.
It is
HEX
5.
Turn the 1-1/16" nut in the clockwise
direction to increase the upward counter-
TRIM COVER
balancing force.
Typically, about 40
turns will be required to counterbalance
the column.
6.
After counterbalancing the column ге-
install the trim cover at the top of the
column, if removed, and the access cover
over the cable guide at the bottom of the
TOP OF
column.
COLUMN
21999-010
ILLUSTRATION 4-11-27
411-24
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