Revision H, 11/10 VK 7025 Dissolution Apparatus Page 23
P/N 70-9033 Operator’s Manual Setup
Varian, Inc.
FIGURE 3. VK 7025 Foot
Raising and Lowering the Drive Unit
To raise the drive unit, press DRIVE UP. The drive unit stops automatically when it
reaches the home position. To stop the drive unit before it reaches the home position,
press DRIVE UP again.
To lower the drive unit, ensure the drive unit is latched in the forward-most position and
press and hold DRIVE DOWN. Release the key when the drive unit reaches the desired
position. The drive unit stops automatically when at the lowest position. There is a safety
mechanism located in the bottom of the left side guide rod which keeps the drive unit from
lowering improperly. If the rods do not line up precisely with the holes in the vessel plate,
the mechanism engages and the drive unit stops lowering and rises to the home position.
Warning
Ensure your hands are not in the path of the drive unit as it rises
and lowers.
Note
There is a safety mechanism in the bottom of the left side guide
rod which keeps the drive unit from lowering improperly. If the
rods do not line up precisely with the holes in the vessel plate,
the mechanism engages and the drive unit stops lowering and
rises to the home position. See Figure 4, “Drive Unit Guide
Rods,” on page 24.
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