Red Lion ZMD - MINIATURE QUAD - Manual

ZMD INSTALLATION AND REMOVAL
Insert No. ZMDINST-X
Drawing No. LP0765
Effective 7/08
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INSTALLATION
1. Remove the rubber cap and verify the set-screw in the spring adjustment
collar is loose. The ZMD pivot shaft should rotate easily by hand.
Note: To reverse Pivot Shaft orientation:
Remove c-clip, hold spring adjustment collar in place while removing
and reversing pivot shaft. Install c-clip.
2. Install the threaded end of the pivot shaft through the mounting bracket.
Install the washer and nut provided finger tight. The mounting bracket is
typically supplied by the customer and would vary from application to
application. The recommended hole diameter in the mounting bracket should
be just large enough for clearance of the 1/4" or 6 mm pivot shaft and
between 0.5" to 1.5" above the material surface.
3. Hold one end of the pivot shaft with a wrench while the nut is securely
tightened.
4. At this point the ZMD housing assembly should rotate easily around the pivot
shaft.
5. Rotate the housing so the measuring wheel is contacting the surface to be
measured. Insert the 3/32 hex L key into the setscrew on the spring
adjustment collar. Using the hex key arm for leverage, rotate the collar
around the pivot shaft in the direction necessary to increase the spring force
that holds the measuring wheel against the surface to be measured. While
maintaining pressure, tighten the set-screw very securely to avoid loss of
spring pressure. (A torque of 15-18 in-lbs is recommended, however a torque
wrench is not required as long as the set-screw is good and tight.)
Note: The spring adjustment collar should not be rotated so far that it
bottoms out against the internal stop or the ZMD will not have sufficient
travel to accommodate variations in the surface height of the material being
measured. For most applications the spring setting in it's mid range (about
2 pounds) is satisfactory. The spring force can be checked by carefully lifting
up on the wheel. You should be able to lift the wheel 1/8" to 1/4" off the
surface being measured. If not, repeat step 5.
6. Install the rubber cap.
REMOVAL
1. Remove the rubber cap.
2. Loosen the setscrew in the spring adjustment collar. The ZMD should rotate
easily around the pivot shaft.
3. Hold one end of the pivot shaft with a wrench while the lock nut is removed.
4. Remove the ZMD from the mounting bracket and install the washer and lock
nut on the shaft by hand.
Rotate to increase spring force
Set Screw in Spring
Adjustment Collar
Pivot Shaft
Rubber Cap
Hex “L” Key
C-Clip
Typical Mounting Bracket
Wrench on Pivot Shaft
Hex “L” Key