P/N 80679, Rev. 10 Page 33
To install and align the ID chuck
When installed vertically, if not
secured properly, this machine
can fall and cause serious injury
or death to the operator and
bystanders. To avoid this
danger, secure the machine by
tack-welding safety blocks over
the upper jaws or by using
clamps bolted to the underside
of the leveling feet (safety
blocks and clamps not included
with the machine). Check that
all chucks and clamps are
tightened to a torque value of at
least 60 ft-lbs (~27 Nm).
1. Measure the bore diameter of
the work piece.
2. Use Table 3-1 on page 33 to select the correct leg extensions to fit the bore
diameter.
TABLE 3-1. ID CHUCK SETUP TABLE FOR STANDARD ID CHUCK HUB
Diameter Range Diameter Range Number of leg segments needed
Min in Max in Min mm Max mm short leg med leg long leg
11.8 16.8 300 427 0 0 0
16.3 21.3 414 541 1 0 0
20.8 25.8 528 655 0 1 0
25.3 30.3 642 769 1 1 0
29.8 34.8 756 883 0 0 1
34.3 39.3 871 998 1 0 1
38.8 43.8 985 1112 0 1 1
43.3 48.3 1099 1226 1 1 1
47.8
*
* Extended range--light duty machining only.
52.8 1213 1340 0 2 1
52.3
*
57.3 1328 1455 1 2 1
FIGURE 3-11. VERTICAL INSTALLATION FALL DANGER
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