3M 28366 Manual De Instrucciones página 8

Mounting and Removing
Abrasive Belt
To Install/Remove Belt:
1. Disconnect the air line.
2. Flip the Belt Cover Latch up to release the Belt Cover
3. Rotate the Belt Cover upward, exposing the Drive Pulley.
4. Pull back the Tracking Arm Mount to gain and hold slack in the belt.
5. Remove and replace the belt, then release the Tracking Arm Mount to
regain tension in the belt.
6. Rotate the Belt Cover downward, and flip the Belt Cover Latch down,
securing the Belt Cover.
7. Connect the air line.
8. Adjust belt tracking by turning the knob to the left or right as needed,
while the machine is running.
Adjusting Belt Tracking
To Adjust Belt Tracking:
1. While the tool is running, turn the Tracking Knob to the left or right, so
the abrasive belt runs centered over contact arm wheel. (See Fig. 2.)
2. Always apply the returning side of the belt to the workpiece to
maintain proper tracking.
Fig. 2
Mounting and Removing
Contact Arms
To Install/Change Contact Arm:
1. Disconnect the air line.
2. Flip the Belt Cover Latch up to release the Belt Cover.
3. Rotate the Belt Cover upward, exposing the Drive Pulley.
4. Pull back the Tracking Arm Mount to gain and hold slack in the belt.
5. Remove the belt.
6. Remove the Tracking Knob.
7. Remove the Contact Arm and replace with the desired arm. Make
sure the tab on the end of the arm is in the channel of the Tracking
Arm Mount. (See Fig. 3.)
8. Replace the Tracking Knob and tighten it into the threaded hole on the
Contact Arm so the Contact Arm is as straight as possible.
9. Install the abrasive belt and secure the Belt Cover.
10. Connect the air line and adjust belt tracking by turning the Tracking
Knob as needed while the machine is running.
3M 1 / in. to 3 / in. File Belt Sander
8 4
Fig. 3
8
Adjusting Belt Housing and Handle Position
To Adjust Belt Housing Position:
1. Disconnect the air line.
2. Loosen M4 cap screws "A" and "B": (See Fig. 4.)
3. Rotate the Belt Housing to the desired position. Detents indicate the
positions within a 360 degree range.
4. Tighten M4 cap screws "A" and "B":
To Adjust Handle/Lever Position:
1. Disconnect the air line.
2. Loosen M4 cap screws "B" and "C": (See Fig. 4.)
3. Rotate the Handle/Lever to the desired position. Detents indicate the
positions within a 360 degree range.
4. Tighten M4 cap screws "B" and "C":
B
A
Fig. 4
C
Revision 022514