Grizzly G0514X3 Tensioning Blade, Adjusting Support Bearings, To tension the bandsaw blade

Tensioning Blade

A properly tensioned blade is essential for mak- ing accurate cuts and is required before mak- ing many bandsaw adjustments. (Everytime you replace the blade, you should perform this proce- dure because all blades tension differently.)

To tension the bandsaw blade:

1.Complete the Test Run procedure and make sure the blade is tracking properly.

2.Raise the upper blade guide assembly as high as it will go, and adjust the upper and lower guide blocks as far away from the blade as possible. Note: This procedure will NOT work if the guide blocks have any con- tact with the blade.

3.Engage the quick tension lever to the tight- ened position and turn the blade tension handwheel until the tension scale reads between 4 and 6.

4.Turn the bandsaw ON.

5.Slowly release the tension one quarter of a turn at a time. When you see the bandsaw blade start to flutter, stop decreasing the ten- sion.

6.Now, slowly increase the tension until the blade stops fluttering, then tighten the ten- sion another quarter turn.

7.Look at what the tension gauge reads and use that as a guide for tensioning that blade in the future. Note: Always detension the blade after use to increase blade life and reduce strain on the bandsaw components.

8.Re-adjust the blade tracking as instructed on Page 22.

Adjusting Support

Bearings

NOTICE

Whenever changing a blade or adjusting ten- sion and tracking, the upper and lower blade support bearings and blade guide bearings must be properly adjusted before cutting operations.

The support bearings are positioned behind the blade for support during cutting operations. Proper adjustment of the support bearings is an important part of making accurate cuts and also keeps the blade teeth from coming in contact with the guide bearings while cutting.

To adjust the upper support bearings:

1.DISCONNECT BANDSAW FROM POWER!

2.Make sure the blade is tracking properly and that it is correctly tensioned.

3.Familiarize yourself with the upper support bearing controls shown in Figure 27.

	Guide Block
Support	Assembly
	Cap Screw
Bearing Cap
Screw
	Support Bearing
	Adjustment
	Shaft Cap Screw

Figure 27. Upper support bearing controls.

4.Loosen the guide block assembly cap screw and rotate the blade guide assembly side-to- side, until the blade is perpendicular with the face of the support bearing as illustrated in Figure 28.

G0513X/G0514X/G0514X3 Extreme Series Bandsaw -27-