Grizzly G9249 - Manual (Page 61)

g9249 12" x 37" Belt drive gap Bed lathe
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2. disConneCt lAthe FroM poWer!
3. remove the chuck or faceplate and the
change gear door.
4. engage a feed direction gear with the out-
bound spindle gear to keep the spindle from
turning.
5. using a spanner wrench or a hammer and
punch, loosen and remove the outer spanner
nut (see
figure 102).
figure 102. spindle spanner nuts.
spanner lock nuts
6. loosen the inner spanner nut one turn.
Note: You may have to tap on the outboard
spindle tube, as explained in
Step 7, to help
unload the spindle and break the inner span-
ner nut loose.
7. place a wooden block over the outboard
end of the spindle tube (see figure 103 for
an example) and hit it soundly with a small
sledge or heavy dead blow hammer.
Note: Your goal is slide the spindle forward
just enough to introduce spindle end-play that
you can feel by hand.
figure 103. example of introducing detectable
end-play.
8. place a test indicator on the cross slide and
move the carriage toward the headstock until
the contact point of the indicator touches the
rim of the spindle tube (see
figure 104 for an
example).
figure 104. example of test indicator setup.