Jet Tools JWP-208 Troubleshooting, Operating Problems, Possible Cause Solution

Troubleshooting

Operating Problems

Problem

Snipe.

Note: Snipe can be minimized but not eliminated.

Fuzzy Grain

Torn Grain

Rough/Raised Grain

Rounded, glossy surface

Poor feeding of lumber

Possible Cause	Solution
Table rollers not set properly.	Adjust rollers to proper height.
Inadequate support of long	Support long boards with extension rollers.
boards.
Uneven feed roller pressure	Adjust feed roller tension.
front to back.
Dull Knives	Sharpen knives.
Lumber not butter properly.	Butt end to end each piece of stock as they
	pass through.
Planing wood with a high	Remove high moisture content from wood by
moisture content.	drying.
Dull knives.	Sharpen or replace.
Too heavy a cut.	Adjust proper depth of cut.
Knives cutting against grain.	Cut along the grain.
Dull knives.	Sharpen knives.
Dull knives.	Sharpen knives.
Too heavy a cut.	Adjust proper depth.
Moisture content too high.	Remove high moisture content from wood by
	drying.
Dull knives.	Sharpen or replace knives.
Feed speed too slow.	Increase speed.
Cutting depth too shallow.	Increase depth.
Inadequate feed roller	Adjust feed roller tension. If proper tension
pressure.	cannot be achieved, replace feed rollers.
Planer bed rough or dry.	Clean pitch and residue, and wax planer table.
Transmission v-belt slipping.	Tighten transmission v-belt.
Surface of feed rollers too	Lightly roughen the feed roller surface with
smooth.	sandpaper.

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