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checking/adjusting
planer table
parallelism
table parallelism is critical to the operation of the
planer. as such, it is essential that the planer table
is parallel with the cutterhead (within 0.002") from
side-to-side, as illustrated in figure 76.
maximum allowable tolerances:
Cutterhead/table side-to-side .................. 0.002"
head Casting/table Front/Back ................ 0.020"
SIDE-TO-SIDE
(Front View)
Cutterhead
Parallel
Table
Cutterhead
NOT Parallel
Table
figure 76. side-to-side parallelism of table and
cutterhead.
how the planer table sits in relation to the head
casting from front-to-back is also important (see
figure 77). the tolerances on the front-to-back
positioning are not as critical as the cutterhead/
table side-to-side positioning. therefore, the max-
imum allowable tolerance for the front-to-back
parallelism is not more than 0.020".
Head
Parallel
Table
FRONT
Head
Not-Parallel
Table
figure 77. Front-to-back parallelism.
-54-
Parallel
NOT Parallel
Parallel
BACK
Not-Parallel
table parallelism inspection
the easiest way to check that your planer table is
parallel with the headstock is to plane a workpiece
and then measure its thickness in multiple loca-
tions. extra care must be taken to ensure accu-
racy. if the workpiece is tapered from left-to-right
or from front-to-back, then parallelism may be a
problem. if the table is not within the maximum
allowable tolerances, it must be adjusted.
table parallelism adjustments
items needed:
rotacator ........................................................... 1
wrench 12mm ................................................... 1
hex wrench 4, 8mm ....................................1 ea.
to adjust the table parallelism:
1.
disConneCt maChine From power!
2.
raise planer table as far as possible.
3.
loosen (4) cap screws on cylinder liner, as
shown in figure 78.
Cap screw
set screw
lock nut
figure 78. adjusting table parallelism.
— if table is not parallel to cutterhead side-
to-side (figure 76), loosen (2) lock nuts
on right or left side of cylinder liner. adjust
set screws to raise or lower table so it is
parallel to cutterhead.
— if table is not parallel to cutterhead front-
to-back (figure 77), loosen (2) lock nuts
at front or back of cylinder liner. adjust set
screws to raise or lower front or back of
table so it is parallel to cutterhead.
4.
tighten (4) cap screws on cylinder liner.
Model G0634Z/G0634XP (Mfd. Since 01/11)
Qty
Cylinder
liner
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