3M Matic 7000a Instructions And Parts List page 44

13-MAINTENANCE AND REPAIRS (continued)
• 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.
13.8 Box Drive Belt Replacement
Note – 3M recommends the replacement of drive belts in
pairs, especially if belts are unevenly worn.
Lower Drive Belts (Figure 13-1)
1. Remove and retain center plate (A) and four (4)
screws.
2. Loosen, but do not remove lock nut (B).
3. Loosen tension screw (C) until all belt tension is
removed.
4. Pull belt splicing pin (D) out and remove belt.
5. Place new belt over pulleys with laced splice at
top. Insert splicing pin.
Important – Pin must not extend beyond edge of belt.
6. Adjust belt tension as explained in "Adjustments -
Box Drive Belt Tension."
7. Replace side cover and center plate and secure
with original fasteners.
Upper Drive Belts (Figure 13-2)
1. Remove and retain front cover (A) and four (4)
screws.
2. Loosen, but do not remove lock nut (B).
3. Loosen tension screw (C) 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 (D) and
slide belt guard out to expose belt.
6. Pull belt splicing pin (E) 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.
7000a-7000a3 Pro - NA
WARNING
Figure 13-1 Lower Drive Belt Replacement
Figure 13-2 Upper Drive Belt Replacement
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A
B
A
B
D
C
E
D
C
2014 June