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Model G0765 (Mfd. Since 5/15)
The rigidity of the half nut engagement is adjusted
by tightening or loosening the half nut gib screws.
Adjust the half nut if it feels too loose or too tight
when being engaged. Movement that is too stiff
will accelerate wear. Movement that is too slop-
py will produce inaccurate turning or threading
results.
Tool Needed Qty
Hex Wrench 2mm .............................................. 1
To adjust half nut:
1. DISCONNECT LATHE FROM POWER!
2. Disengage half nut.
3. Adjust gib set screws (see Figure 84) in
small, even increments so one end of gib
does not become tighter than the other.
Half Nut Adjustment Fuse Replacement
This lathe features an on-board fuse designed
to blow to protect sensitive electrical parts from
thermal damage in the event of an overload. If the
spindle does not start, replace the fuse.
Replacement fuse part number: P0765166.
To replace fuse:
1. DISCONNECT LATHE FROM POWER!
2. Unthread fuse holder by rotating counter-
clockwise (see Figure 85) and remove fuse.
4. Engage/disengage half nut several times and
notice how it feels. The adjustment is cor-
rect when half nut firmly and easily engages
leadscrew while opening and closing.
5. Repeat Steps 3–4, if necessary, until satis-
fied with feel of half nut engagement.
Figure 84. Half nut gib adjustment set screws.
Set
Screws
Gib
Half-Nut
3. Insert new fuse into fuse holder.
4. Re-install fuse holder.
Figure 85. Fuse holder and fuse.
Fuse
Holder
Hole
Fuse
Holder
Fuse