Powermatic instruction manual TROUBLE-SHOOTING Operating Problems 201 Planer

TROUBLE-SHOOTING: OPERATING PROBLEMS (201 Planer)

PROBLEM POSSIBLE CAUSE SOLUTION

Snipe	1.	Table rollers not set properly.
(NOTE: Snipe can be	2.	Inadequate support of long boards.
minimized but not	3.	Uneven feed roll pressure front to back.
eliminated.)	4	Dull knives
	5.	Lumber not butted properly.

1.Adjust rollers to proper height.

2.Support long boards with extension rollers.

3.Adjust feed roll tension.

4.Sharpen knives.

5.Butt end to end each piece of stock as they pass through.

Fuzzy Grain	1.	Planing wood with a high moisture	1.	Remove high moisture content
		content.		from wood by drying.
	2.	Dull knives.	2.	Sharpen knives.
Torn Grain	1.	Too heavy a cut.	1.	Adjust proper depth of cut.
	2.	Knives cutting against grain.	2.	Review planing for finish.
	3.	Dull knives.	3.	Sharpen knives.
Rough/Raised Grain	1.	Dull knives.	1.	Sharpen knives.
	2.	Too heavy a cut.	2.	Adjust proper depth of cut.
	3.	Moisture content too high.	3.	Remove high moisture content
				from wood by drying.
Rounded glossy	1.	Dull knives.	1.	Sharpen or replace knives.
surface

Poor feeding of lumber. 1. Inadequate feed roll pressure.

2.Planer bed rough or dirty.

3.Transmission v-belt slipping.

4.Surface of feed rolls too smooth.

1.Adjust feed roll tension. If proper tension cannot be achieved, replace feed rolls.

2.Clean pitch and residue, and wax planer bed.

3.Tighten transmission v-belt.

4.Lightly roughen the feed roll surface with sandpaper.

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