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Grizzly G0709 Owner's Manual: Spindle Break-in; Recommended Adjustments

14" x 40" gunsmithing lathe.
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Spindle break-In

Before subjecting the spindle to operational loads,
it is essential to complete the break-in process.
this helps ensure maximum life of spindle bear-
ings and other precision components by thor-
oughly lubricating them before placing them under
After spindle break-in is complete, we recommend
changing headstock and gearbox oil to remove
any metal particles or debris that are present from
the assembly and break-in process.
the break-in must be performed in succession
with the Test Run procedure described in this
manual, as the steps in that procedure prepare
the lathe controls for the break-in process.
DO NOT perform this procedure indepen-
dently of the Test Run section. The lathe
could be seriously damaged if the controls
are set differently than instructed in that
To perform the spindle break-in:
successfully complete the Test Run proce-
dure beginning on page 19.
disengage the half-nut lever and the feed
selection lever.
run the spindle at 70 rpM for 10 minutes
each in direction (first forward and then
repeat running the lathe in this manner
through the rest of the spindle speeds, pro-
gressively increasing in rpM.
press the stop button and disConneCt
the lAthe FroM poWer! the lathe is
broken in.
Congratulations! spindle break-in is complete. We
recommend changing the headstock and gearbox
oil before operating the machine further (refer to
Lubrication on page 56).
For your convenience, the adjustments listed
below have been performed at the factory.
however, because of the many variables involved
with shipping, we recommend that you at least
verify the following adjustments to ensure the best
possible results from your new machine.
step-by-step instructions for these adjustments
can be found in the SERvIcE section starting on
page 59.
factory adjustments that should be verified:
verify three-Jaw Chuck registration in
chuck and faceplate Removal/Installation
(page 27)
Camlock stud installation (page 29)
gib Adjustments (page 61)
tailstock Alignment (page 36)
Backlash Adjustment (page 63)
Model G0709 (Mfg. Since 5/11)


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