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Chuck Safety &
Support Devices
Because chucks are heavy and often awkward
to hold, some kind of lifting, support, or protec-
tive device should be used during installation or
removal. The weight and size of the chuck will
determine the appropriate device to use (refer to
the following figure for examples).
Accidentally dropping a chuck can cause
amputation, crushing injuries, or property
damage. To reduce this risk, always use
some kind of lifting, support, or protective
device during installation or removal.
SMALL, LIGHTWEIGHT CHUCKS
Plywood Protection
Plate for Chucks
Installed by Hand
MEDIUM-SIZE, HEAVY CHUCKS
Plywood & 2x4
Chuck Cradle
Plywood Chuck Cradle
(Straight Cuts)
LARGE, VERY HEAVY CHUCKS
Pre-Threaded Hole
for Lifting Eye
Figure 22. Typical lifting, support, and protective
devices used when installing/removing chucks.
Model G0782 (Mfd. Since 10/15)
Solid Block
Chuck Cradle
Way Slot
Jaw Slot
Plywood Chuck Cradle
(Curved Cuts)
Fabricated Steel
Lifting Hook
Chuck Installation
To ensure accurate work, it is extremely important
to make sure the spindle nose and chuck mating
surfaces/tapers are clean. Even a small amount of
lint or debris can affect accuracy.
The chuck is properly installed when all camlocks
are tight, the spindle and chuck tapers firmly
lock together, and the back of the chuck is firmly
seated against the face of the spindle all the way
around—without any gaps.
To install chuck:
1.
DISCONNECT MACHINE FROM POWER!
2.
Use appropriate lifting, support, or protective
device to protect ways and support chuck
during installation process (refer to Chuck
Safety & Support Devices).
3.
Clean and lightly oil camlock studs, then thor-
oughly clean mating surfaces of spindle and
chuck.
4.
Install chuck by inserting camlock studs
straight into spindle cam holes.
Important: Avoid inserting the studs by piv-
oting them in from an angle or rotating the
spindle. This can damage studs or spindle
cam holes.
CORRECT
Figure 23. Inserting camlock studs into spindle
cam holes.
INCORRECT
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