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Grizzly G0709 Owner's Manual: V-belt Tension

14" x 40" gunsmithing lathe.
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changing Oil
the oil in the reservoirs must be changed after
the first three months of operation, then twice a
year after that. if the lathe is under heavy use,
more frequent oil changes will be required to keep
the gearboxes clean and ensure long machine
life. some lathe owners believe that by using full
synthetic oils in the gearboxes is a way to extend
oil change intervals. We do not recommend this
practice. While synthetic oils are superior this lathe
does not use a filter to remove contaminants that
are generated during normal use, such as when
shifting gears. Changing the oils on a frequent
basis to flush out moisture and contaminants is
still the best option to ensure long gearbox life.
headstock oil Capacity ........................... 4 liters
headstock oil type ................... grizzly #t23963
QC gearbox oil Capacity ........................ 2 liters
QC gearbox oil type ................ grizzly #t23962
Apron oil Capacity .................................... 1 liter
Apron oil type ........................... grizzly #t23962
Tools Needed
drain pan (at least 2 gallon Capacity) .............. 1
hex Wrench 5mm .............................................. 1
hex Wrench 6mm .............................................. 1
Wrench 24mm ................................................... 1
To change the oil in the reservoirs:
1.
run the lathe to bring the lathe gearboxes to
a warm temperature and turn OFF the lathe.
2.
disConneCt lAthe FroM poWer!
3.
remove the headstock gear cover.
4.
using a funnel or cardboard ramp if desired
to direct waste oil into the drain pan, position
the drain pan under the gearbox drain plug.
5.
remove the fill plug and the drain plug from
the selected oil reservoir, and allow all oil to
drain.
6.
re-install the drain plug, add oil to the res-
ervoir until the sight glass reads full. then
re-install the fill plug.
Model G0709 (Mfg. Since 5/11)
or iso 32 equivalent
or iso 68 equivalent
or iso 68 equivalent
Qty

v-belt Tension

After initial break in, the v-belts slightly stretch
and seat into the pulley. it is important to check
and adjust them to compensate for this initial
wear. Check the tension thereafter on a monthly
basis.
Tools Needed
hex Wrench 17mm ............................................ 1
To check the v-belt tension:
1.
disConneCt lAthe FroM poWer!
2.
remove the headstock gear cover.
3.
push the center of the v-belts with moderate
pressure. the v-belt deflection should be
approximately
".
1
4
Deflection
deflection
should be
Approx.
"
1
4
figure 94. Belt deflection.
—if the belt deflection is greater than
use the 24mm wrench to loosen the motor
mount bolts (figure 95) and slide the motor
downward until the deflection is correct.
figure 95. Checking v-belt deflection.
4.
tighten the bolts and recheck the belts.
Qty
Spindle
Pulley
Motor
Pulley
",
1
4
Motor
Mount
Bolts
-57-

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