Oliver 4275C, Owner'S Manual

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50 | Page Oliver Machinery 4275C Jointer
Problem Possible Cause Possible Solution
Outfeed table is
stuck/difficult to
adjust.
Outfeed table is
locked.
Loosen the locking cap screw before adjusting the
outfeed table.
Digital readout not
functional.
Dead battery. Replace battery.
Unable to lower
infeed table below
1/8”
Depth stop is
engaged.
Pull infeed table depth stop knob while lowing the
infeed table.
NOTICE: Only set depth of cut greater
than 1/8” for rabbeting operations.
Outfeed table is loose
and moves with the
fence.
There is play in the
parallelogram
mechanism.
Check the parallelogram mechanism and eliminate
any gaps between the eccentric nut, bracket, and
shafts. Ensure all eccentric nuts are locked by the
set screws, and each set screw is locked by blue
Loctite.
Workpiece is caught
on the edge of the
outfeed table.
Outfeed table is set
too high.
Adjust the outfeed table to ensure it is flush with
the cutting arc of the cutterhead.
Uneven wear on
cutter inserts
One section of
cutterhead is used
more than another.
Occasionally adjust fence’s depth setting so the
entire cutterhead is utilized.
Machine vibrates
excessively or makes
unexpected noise.
Damaged cutter
inserts.
Replace cutter inserts.
Machine stands on
an uneven floor.
Reposition machine on a flat, level surface. Adjust
leveling feet.
V-belt worn, slipping,
or hitting belt cover. Clean belt and pulleys. Adjust belt tension. Replace
V-belt if it shows signs of aging.
Improper motor
mounting. Check and adjust motor mounting.
Loose components. Tighten fasteners of the component.
Worn bearings. Contact customer service for assistance.
Operation / Quality-Related Issues
Problem Possible Cause Possible Solution
Workpiece came out
twisted.
Improper feeding. Use the outfeed table as the reference point for
feeding. Apply even pressure and feed rate on
the entire workpiece.
Outfeed table is not in
parallel with the
cutterhead.
Ensure the outfeed table is in parallel with the
cutterhead, and the outfeed/infeed tables are
coplanar.
More passes are
needed.
Significantly twisted boards take multiple passes
to flatten.