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7.
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Step
5
dcided[i]ZWdVgY#
8.
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9.
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ZYdci]ZcZmieV\Z#
10.
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WdVgY# ;^cZ ijcZ i]Z hZii^c\h jci^a ndj VgZ
hVi^h[^ZYl^i]i]ZgZhjaih#
Adjusting Hold-
Down Height
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i]Z ldg`e^ZXZ Yjg^c\ i]Z Yg^aa^c\ deZgVi^dc# I]Zn
VgZ VY_jhiVWaZ id VXXdbbdYViZ i]Z i]^X`cZhh d[
ndjghidX`#
Tool Needed
Qty
=ZmLgZcX](bb##############################################&
Figure 18.
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\jVgYgZbdkZY[dge]didXaVg^in#
=daY"Ydlc
HZiHXgZl
AdX`
8daaVg
3.
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ha^\]ian ]^\]Zg i]Vc i]Z ldg`e^ZXZ l]Zc i]Z
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i^dc!i]ZcgZ"i^\]iZci]ZadX`XdaaVghZihXgZl
idhZXjgZi]ZhZii^c\#
Make sure the hold-downs exert enough
pressure to keep the workpiece in place
against the rotational force of the boring
bits. Otherwise, the workpiece may move
during the boring operation, resulting in a
drilling line that is out of alignment.
To adjust the height of the hold-downs:
1.
9>H8DCC:8IB68=>C:;GDBEDL:G
2.
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XdaaVg bdkZh [gZZan dc i]Z ]daY"Ydlc h]V[i
hZZ
Figure 18
#