Bearing preload, Tailstock lock – Grizzly G0709 User Manual

Page 69

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Model G0709 (Mfg. Since 5/11)

-67-

bearing preload

this lathe is shipped from the factory with the
spindle bearing preload set. if the spindle ever
develops end-play and the workpiece finish suf-
fers, you can re-establish the bearing preload,
remove the end-play, and correct the workpiece
finish issue.

Tools Needed

Qty

hook-style spanner Wrench 68-75mm ............. 1
dial indicator with Magnetic Base ..................... 1
heavy dead Blow hammer ............................... 1
Wooden Block ................................................... 1

To adjust the preload:

1. run the lathe for 20 minutes on high speed to

bring the lathe to a normal temperature.

2. disConneCt lAthe FroM poWer!

3. remove the chuck and spider bolts, then shift

the spindle to neutral and remove the head-
stock gear cover to access the outboard end
of the spindle (see

figure 108).

figure 108. location of outboard end of spindle.

outboard

end of

spindle

Tailstock Lock

When pushed toward the spindle, the tailstock lock
holds the tailstock firmly in place on the bedway
with a locking plate underneath. if the position of
the lock lever is difficult to use, the lever can be
adjusted for the best leverage.

Tools Needed

Qty

Wrench 24mm ................................................... 1

To adjust the tailstock lock lever:

1. unthread the stop pin (see figure 107), and

carefully slide the tailstock from the lathe.

2. tighten the hex nut

1

4

-turn and re-install the

tailstock.

3. Apply the tailstock lock lever and verify that

the tailstock is locked and the lever is where
desired. readjust as necessary.

figure 107. tailstock locking hex nut and plate.

tailstock

lock lever

stop pin

hex nut

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