Southbend sb1018 owner manual Troubleshooti NG

Model SB1018 TROUBLESHOOTI NG For Machines Mfg. Since 8/09

Symptom

Possible Cause

Possible Solution !

The cut is crooked,	1.	The feed pressure is too high.	1.	Decrease the feed rate.
the blade wanders,	2.	Blade is loading up.	2.	Install a blade with more suitable TPI or different
slow cuts, or shows
				style of teeth.
overheating on one
	3.	Blade tension is too loose.	3.	Increase blade tension.
side of the cut or
the blade.	4.	Blade installed backwards.	4.	Check blade rotation as described in “test run” and
				reverse blade if necessary.
	5.	Dull blade; missing teeth.	5.	Replace blade.

6.The blade speed is wrong.6. Adjust feed rate and cutting speed as required.

7.The blade tracking is wrong. 7. Adjust the blade tracking back to normal.

Blade dulls	1.	Blade is improperly broken in.	1.	Replace blade, and complete blade break in
prematurely, or				procedure.
metal sticking to	2.	The blade gullets are loading up	2.	Use a blade that has larger gullets to carry out
the blade.
		with chips.		material.

3.The blade TPI is too fine for the 3. Use a coarser-tooth blade, adjust feed rate, adjust

		thick workpiece, and the teeth load		blade speed.
		up and overheat.
	4.	The workpiece has hard spots,	4.	Replace the blade with a special blade for cutting
		welds, or scale.		hardened materials.
Repetitious noise	1.	Pulley set screws or keys are	1.	Inspect keys and set screws. Replace or tighten if
coming from		missing or loose.		necessary.
machine.	2.	Blade is missing teeth.	2.	Replace blade.

3.Motor fan is hitting the cover. 3. Adjust fan cover mounting position, tighten fan, or shim fan cover.

4.	V-belt is defective.	4.	Replace V-belt.
5.	Blade weld contacting blade guides.	5.	Grind blade weld down smaller.

6.Blade weld may be failing.6. Cut and reweld the blade, or replace the blade.

Blade wears on	1.	The blade guides are worn or mis-	1.	Re-adjust or replace the blade guides.
one side or shows		adjusted.
overheating.	2.	The blade support is inadequate.	2.	Tighten the blade guide as close to the workpiece as
				possible.
	3.	Dull or incorrect blade.	3.	Replace blade.
	4.	Blade is bell-mouthed.	4.	Install new blade.
Vibration when	1.	Loose or damaged blade.	1.	Tighten or replace blade.
operating or	2.	Worn wheel bearing.	2.	Check/replace wheel bearing.
cutting.
	3.	Bent or dull blade.	3.	Replace blade.
	4.	Wheels out of balance.	4.	Replace wheels.
	5.	Loose machine component.	5.	Tighten loose component.
	6.	Belt has a high spot.	6.	Replace/adjust the V-belt.
	7.	Bandsaw blade wheel is bent or out	7.	Check and replace for bad wheel or bearing.
		of balance.

-40-