Woodstock W1773, W1772 owner manual Machine Operations

W1772/W1773 37" Drum Sander

Machine Operations

PROBLEM		POSSIBLE CAUSE		CORRECTIVE ACTION
Machine slows when sand-	1.	V-belts loose.	1.	Tighten V-belts (Page 33).
ing, making squealing noise,	2.	V-belts worn out.	2.	Replace V-belts (Page 33).
especially on start-up.
Loud repetitious noise	1.	Pulley setscrews or keys are missing	1.	Inspect keys and setscrews. Replace or tighten if
coming from machine.		or loose.		necessary.

2.Motor fan is hitting the cover. 2. Adjust fan cover mounting position, tighten fan, or shim fan cover.

	3.	V-belts are defective.	3.	Replace V-belts (Page 33).
Vibration when sanding.	1.	Loose drum pillow bearings.	1.	Tighten drum pillow bearings.
	2.	Worn drum pillow bearings.	2.	Replace drum pillow bearings.
Grinding, screeching, or	1.	Drum bearings lack sufficient	1.	Grease the pillow bearings (Page 30).
rubbing noise when sand-		grease.
ing drums are powered up.	2.	Drum bearings worn.	2.	Replace the drum bearings.
Short V-belt lifespan.	1.	Pulleys not aligned correctly.	1.	Align pulleys (Page 33).
	2.	Improperly tensioned.	2.	Properly tension V-belts (Page 33).

Machine		lacks	power;		1.	V-belts loose.	1.	Tighten V-belts (Page 33).
drums	stop turning under				2.	Too much pressure on pressure roll-	2.	Reduce pressure roller pressure (Page 42).
load.						ers.
Conveyor slips under load.					1.	Conveyor is too loose.	1.	Tension conveyor (Page 36).
					2. Too much load.		2.	Decrease load.
Conveyor		tracks	to	one	1.	Conveyor tracking is incorrect.	1.	Track the conveyor so it runs straight (Page 37).
side;	conveyor		hits	the
roller cover.
Workpiece pulls to one side					1.	One of the sanding drums is not par-	1.	Adjust the sanding drums parallel to the table (Page
during sanding operations.						allel with the table.		38).
Excessive snipe.					1.	Too much pressure roller pressure.	1.	Reduce pressure roller pressure (Page 42).

2.Too much pressure from rear pres- 2. Reduce rear pressure roller pressure (Page 42). sure rollers.

3.Lack of outfeed support.3. Set up outfeed table or have someone catch the workpiece as it comes out.

Workpiece kicks out.	1.	Not sufficient pressure roller pres-	1.	Increase pressure roller pressure (Page 42).
		sure.
Sanding drums make scrap-	1.	Drums scrape dust scoop	1.	Adjust dust scoops so they do not touch sanding
ing noises..				drums (Page 43).
Sandpaper tears off drums	1.	Nail/staple in workpiece.	1.	Sand only clean workpieces.
during operation.	2.	Sandpaper not fastened correctly.	2.	Install the sandpaper correctly (Page 28).

3.Drums not perpendicular to the feed 3. Adjust the drums perpendicular to the feed direc-

		direction.		tion (Page 38).
Table elevation controls are	1.	Table lock is engaged.	1.	Disengage table lock.
stiff and hard to adjust.	2.	Table lift screws dirty or loaded with	2.	Clean and regrease table lift screws (Page 43).
		sawdust.

3.Chain idler roller sprocket lock nuts 3. Adjust the lock nuts on the idler roller sprocket so

have been tightened against roller. the roller can spin freely.

4.Elevation handle worm gear is dirty 4. Remove the worm gear box, clean it, and regrease

		or loaded with sawdust.		it.
Poor dust collection.	1.	Dust collection lines incorrectly sized	1.	Use at least an 8" main line with two 6" branch lines
		for this machine.		that each Y into 4" at the machine.
	2.	Dust collector underpowered or too	2.	Upgrade your dust collector or decrease the dis-
		far away from this machine.		tance from the dust collector to the machine.

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