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Maintenance (Continued)
Box Drive Belt Replacement
Note – 3M recommends the replacement of drive
belts in pairs, especially if belts are unevenly worn.
LOWER DRIVE BELTS
Figure 4-2
1. Remove and retain center plate (A) and four
screws.
2. Remove and retain side cover (B) and fasteners.
3. Loosen, but do not remove lock nut (C).
4. Loosen tension screw (D) until all belt tension is
removed.
5. Pull belt splicing pin (E) out and remove belt.
6. Place new belt over pulleys with laced splice at
top. Insert splicing pin.
Important – Pin must not extend beyond edge of
belt.
7. Adjust belt tension as explained in "Adjustments
- Box Drive Belt Tension."
8. Replace side cover and center plate and secure
with original fasteners.
UPPER DRIVE BELTS
Figure 4-3
1. Remove and retain front cover (A) and four
screws.
2. Loosen, but do not remove lock nut (C).
3. Loosen tension screw (D) until all tension is
removed from belt.
4. Move compression roller assembly out to full
open position.
5. Remove 4 screws on side of belt guard (E) and
slide belt guard out to expose belt.
6. Pull belt splicing pin (F) out and remove belt.
7. Place new belt over pulleys with laced splice at
top. Insert splicing pin.
Important – Pin must not extend beyond edge of
belt.
8. Adjust belt tension as explained in "Adjustments
– Box Drive Belt Tension."
9. Replace front cover and belt guard(s) and
secure with original fasteners.
Figure 4-2 – Lower Drive Belt Replacement
Figure 4-3 – Upper Drive Belt Replacement
• To reduce the risk associated with mechanical and electrical hazards:
− Turn electrical supply off and disconnect before performing any adjustments, maintenance or servicing the
machine or taping heads
WARNING