Delta Comprehensive Guide for SA446 Sander: Locking Switch, Tracking Sanding Belt, and Arm Positioning

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LOCKING SWITCH IN

THE “OFF” POSITION

IMPORTANT: When the machine is not in use, the switch should be locked in the “OFF” position to prevent unauthorized use. This can be done by grasping the switch toggle (B) Fig. 23, and pulling it out of the switch as shown. With the switch toggle (B) removed, the switch will not operate. However, should the switch toggle be removed while the machine is running, it can be turned “OFF” once, but cannot be restarted without inserting the switch toggle (B).

TRACKING THE

SANDING BELT

1.Turn the switch “ON” and “OFF” and check to see if the sanding belt tends to move to one side or the other on the two sanding drums. If the belt does not move to one side or the other and rides on the center of the sanding drums the belt is tracking properly.

2.If the sanding belt moves toward the disc, turn the tracking knob (A) Fig. 24, counterclockwise 1/4 turn.

3.If the sanding belt moves away from the disc, turn the tracking knob (A) Fig. 24, clockwise 1/4 turn.

4.Turn the switch “ON” and “OFF” again, and check to see if the sanding belt moves to one side or the other and readjust tracking knob if necessary.

CHANGING POSITION OF SANDING ARM

1.DISCONNECT MACHINE FROM POWER SOURCE.

2.The sanding arm (A) can be used in the horizontal position, as shown in Fig. 25; vertical position, as shown in Fig. 26; or any angle in between by loosening screw (B), positioning the arm (A) to the desired angle and tightening screw (B).

B

Fig. 23

A

Fig. 24

B

A

Fig. 25

A

B

Fig. 26

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Contents Belt / 6 Disc Sander General Safety Rules Additional Safety Rules for Belt / Disc Sanders Refer to them often Use them to instruct othersPower Connections Unpacking and Cleaning Extension CordsBelt / 6 Disc Sander Parts Sander PartsAssembly Instructions Adjusting Belt TensionAssembling Belt Pulley Guard Assembling Sanding Disc PlateAssembling Sanding Disc Assembling Lower Cover for Sanding DiscAssembling Disc Sander Table Fastening Sander to Supporting Surface Assembling Dust ChuteAssembling Backstop to Sanding ARM Operating Controls Adjustments Starting Stopping SanderLocking Switch OFF Position Tracking Sanding BeltChanging Position of Sanding ARM Adjusting Backstop Square With Sanding Belt Adjusting Table Square with Sanding DiscTilting the Table Adjusting Miter Gage Slot Parallel with Sanding Disc Miter GageDust Chute Wrench StorageReplacing Sanding Belt Replacing Sanding DiscOperation Surfacing or Edge Sanding With Sanding BeltSanding Inside Curves Sanding Outside CurvesEND Sanding With the Belt END Sanding With the DiscPage Accessories PARTS, Service or Warranty Assistance Two Year Limited Warranty