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G1017 12'' Portable Planer -13-
Parallelism
Before leaving the factory, the planer cutterhead
was set parallel to the planer bed for even cutting.
However, periodic inspections should be done to
ensure accuracy, especially if the planer is jostled
during transport. To check parallelism between
the cutterhead and bed, switch planer off, wait for
moving parts to stop and proceed as follows:
1. Construct a hardwood gauge as shown in
Figure 7.
2. Raise the cutterhead so that the wood
gauge fits between the edge of the knife in
the cutterhead and the planer bed. Place
the gauge to one end of the cutterhead.
Adjust the crank handle so the knife edge
just makes contact with the gauge at its
lowest point. See Figure 8.
3. Shift the hardwood gauge to the other end
of the cutterhead without changing the
position of the cutterhead. If the block
begins to bind against the cutterhead as
you move to the opposite end, lower the
table and go back to step 2, starting at this
end instead.
4. Check to see if there is any gap between
the knife edge and the block at the other
end. The knife edge should just touch the
block all the way along the length of the
knife.
Figure 7. Hardwood gauge dimensions.
3''
30˚
45˚
2
3
⁄8''
1
3
⁄8'' 1
1
⁄2''
1
⁄2''
.5''
1
⁄8''
Figure 8. Using gauge to check cutterhead.
The cutterhead knives on the G1017 planer
are extremely sharp. Merely brushing your
finger along the edge can result in a severe
cut.Take extreme caution when doing any of
the adjustments involving the cutterhead
knives. Wear thick gloves anytime it is nec-
essary to manually rotate the cutterhead
assembly.