Powermatic 15HH operating instructions Troubleshooting Performance Problems, Probable Cause Remedy

Troubleshooting: Performance Problems

Trouble

Snipe.

(NOTE: Snipe cannot be eliminated, but can be so minimized as to be negligible.)

Fuzzy grain.

Torn grain.

Rough/raised grain.

Rounded, glossy surface.

Poor feeding of lumber.

Probable Cause	Remedy
Table rollers not set properly.	Adjust rollers to proper height.
Inadequate support of long boards.	Support long boards with extension
	rollers.
Uneven feed roller pressure front to	Adjust feed roller pressure.
back.
Dull knives or knife inserts.	15S: Sharpen or replace knives.
	15HH: Rotate or replace inserts.
Lumber not butted properly.	Butt end to end each piece of stock
	as they pass through.
Planing wood with high moisture	Remove moisture by drying, or use
content.	different stock.
Dull knives or knife inserts.	15S: Sharpen or replace knives.
	15HH: Rotate or replace inserts.
Too heavy a cut.	Adjust proper depth of cut.
Knives (or inserts) cutting against the	Cut along the grain where possible.
grain.
Dull knives or knife inserts.	15S: Sharpen or replace knives.
	15HH: Rotate or replace inserts.
Dull knives or knife inserts.	15S: Sharpen or replace knives.
	15HH: Rotate or replace inserts.
Too heavy a cut.	Adjust proper depth of cut.
Planing wood with high moisture	Remove moisture by drying, or use
content.	different stock.
Dull knives or knife inserts.	15S: Sharpen or replace knives.
	15HH: Rotate or replace inserts.
Feed rate too slow.	Increase feed rate.
Cutting depth too shallow.	Increase cutting depth.
	Adjust feed roller tension. If proper
Inadequate feed roller pressure.	tension cannot be achieved, replace
	feed rollers.
Planer table rough or dirty.	Clean pitch and residue from table,
	and apply paste wax.
Belt slipping on pulleys.	Tighten belt.
Surface of feed roller is clogged.	Clean pitch and residue off roller.

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