Troubleshooting Operating Problems - Powermatic 54A Manual De Operación Y Partes De La Canteadora De Paralelogramo

11. Carefully remove the cutterhead (A, Fig. 48).
12. Before placing the new cutterhead back into
the casting, thoroughly clean the "saddle" and
the bearing housings of saw dust and grease
so that they seat properly.
13. To re-install the cutterhead, reverse the above
steps.
Note: When securing the fence base casting,
make sure it is level with the outfeed table.

Troubleshooting Operating Problems

Trouble
Finished stock is
concave on back
end.
Finished stock is
concave on front end.
Chip out.
Fuzzy grain.
Cutterhead slows
while operating.
"Chatter" marks on
workpiece.
Uneven knife marks
on workpiece.
Probable Cause
Knife is higher than outfeed
table.
Outfeed table is higher than
knife.
Cutting against the grain.
Dull knives.
Feeding workpiece too fast.
Cutting too deeply.
Knots, imperfections in wood.
Wood has high moisture
content.
Dull knives.
Feeding workpiece too
quickly, or applying too much
pressure to workpiece.
Knives incorrectly set.
Feeding workpiece too fast.
Knives are nicked, or out of
alignment.
Figure 48
Remedy
Raise outfeed table until it aligns with tip of
knife. See Outfeed Table Height Adjustment.
Lower outfeed table until it aligns with tip of
knife. See Outfeed Table Height Adjustment.
Cut with the grain whenever possible.
Sharpen or replace knives.
Use slower rate of feed.
Make shallower cuts.
Inspect wood closely for imperfections; use
different stock if necessary.
Allow wood to dry or use different stock.
Sharpen or replace knives/inserts.
Feed more slowly, or apply less pressure to
workpiece.
Set knives properly as described in the
Setting Cutterhead Knives section. Check that
knife slots are clean and free of dust or
debris.
Feed workpiece slowly and consistently.
Align knives per the Setting Cutterhead
Knives section. Replace nicked knives or
correct for small nicks – see Setting Knives
for Rabbeting and Nicks.
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