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-82-
For Machines Mfg. Since 3/11
Turn-Nado
®
Gearhead Lathes
SERVICE
DO NOT rotate the spindle
or input pulley while any
body part is inside the
headstock. Doing so may
cause entanglement and
serious crushing injuries.
6. Study Figure 124 to determine the
adjustments that will be required in the
following steps.
Symptom Required Action
Spindle lever will not
engage FORWARD.
Loosen Forward
Adjustment Ring as
needed.
Spindle lever will not
engage REVERSE.
Loosen Reverse
Adjustment Ring as
needed.
Chuck takes more
than 3–4 seconds to
reach full speed in
FORWARD.
Tighten Forward
Adjustment Ring one
notch.
Chuck takes more
than 3–4 seconds to
reach full speed in
REVERSE.
Tighten Reverse
Adjustment Ring one
notch.
Figure 124. Clutch adjustment overview.
Loosen
Loosen
Tighten
Tighten
Reverse Drive
Clutch
Forward Drive
Clutch
Forward Adjustment
Ring
Reverse Adjustment
Ring
Clutch components get hot
during operation. To avoid
burn injuries, wear heavy
leather gloves or allow
components to cool before
service.
7. Use a metal scribe or permanent marker
to mark the position of the adjustment
ring relative to its clutch assembly, then
use a small screwdriver to pry and slide
the necessary adjustment ring away from
its corresponding clutch to unlock it (see
Figure 125).
Figure 125. Disengaging adjustment ring
(reverse side shown).
Adjustment Ring
Ring
Disengaged
(Teeth
Exposed
Beneath)
!
If you have difficulty disengaging the ring,
make sure the spindle lever is in the middle
(neutral) position. When the ring is fully
disengaged, it will spin freely.
— If you are loosening the adjustment ring,
continue to Step 8.
— If you are tightening the adjustment ring,
skip to Step 9.