e. Cabinet Counterweight Cable Replacement.
(1)
The table should be in the horizontal position.
(2) If the grid-cabinet counterweight cable needs to be replaced, remove the
table top and sub-top.
(3)
Loosen the cable adjustment, which is located at the foot-end of the grid
cabinet.
(4) Disconnect the appropriate cable from the grid cabinet and
counterweight.
NOTE:
It may be quicker to remove the appropriate counterweight pulley from the
end of the table.
(5)
Install a replacement cable and adjust the tension with the cable
adjustment.
f. Vertical (Compression) Lock Replacement.
(1)
Turn off the power and remove the table top and sub-top.
(2)
Locate the compression lock. Label all wiring to this lock and disconnect
it.
(3) Remove the compression lock by loosening the securing nuts and
backing out the mounting screws.
(4)
Install the replacement lock, following this procedure in reverse.
(5) Energize the table and engage the lock. Attempt to move the tower. It
should take a minimum of 20 pounds of force to move the carriage. Locks should not
make a "banging" sound when energized. Adjust the compression lock, following the
procedures discussed in Lesson 1 (paragraph 1-4f).
g. Transverse (Front-Back) Lock Replacement.
(1)
Turn off the power and remove the table top and sub-top.
(2)
Locate the transverse lock. Label all wiring to this lock and disconnect it.
(3) Remove the nuts holding the lock on the two studs. Do not disturb the
nuts behind the lock-mounting brackets. Slide the lock off the studs.
MD0351
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