Service manual

Agilent 382A Operating and Service Manual 13
Operation
6. If excessive backlash is found, refer to Figure 5 and complete the rest of
the procedure. If the backlash is within specifications the remainder of
the adjustments in this paragraph need not be performed.
7. Check the position of the ring nut. It should be backed off approximately
1/4 turn from snug against the bearing.
8. Adjust the worm gear tension adjustment screw to minimize backlash.
9. Adjust the worm gear thrust adjustment screw to minimize backlash.
If an adjustment is made for backlash check the dial positioning using the
procedure for setting the dial.
Figure 5 Backlash Adjustments