Oliver 4275C, Owner'S Manual

Page: 42 / 70

42 | Page Oliver Machinery 4275C Jointer
Adjust Table Parallelism/Coplanarity
Adjusting table parallelism and coplanarity take
time, precision, and patient. The entire process
can take over an hour or more. Check the
amount of misalignment against tolerance
before making adjustments.
For best results, use a long and precise straight
edge for adjustments.
Measurement Tolerance
Outfeed Table / Cutterhead
Parallelism
<= 0.004”
Infeed / Outfeed Table
Parallelism <= 0.01”
For best results, a long and precise straight edge
is required for adjustments.
1. Disconnect jointer from power source!!
2. Remove the depth stop knob.
3. Remove the cutterhead cover.
4. Remove all metal four metal panels that
conceal the parallelogram mechanism.
5. Each panel is secured by two cap screws,
which are covered by plastic caps. Use a
straight head screwdriver to remove the
plastic cover, then remove the hex cap screw
with a 5mm hex wrench.
.
6. This picture shows the jointer with the parallelogram mechanism exposed. Table parallelism
/coplanarity can be adjusted by rotating the eccentric nuts on the shafts [1-4]. There is a pair of
eccentric nuts located on each end of these shafts.