3M 40800 operating instructions MAINTENANCEAND REPAIRS continued, 13.8Box Drive Belt Replacement

13-MAINTENANCE AND REPAIRS (continued)

WARNING

•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.

13.8Box Drive Belt Replacement

Note – 3M recommends the replacement of drive belts in pairs, especially if belts are unevenly worn.

Lower Drive Belts (Figure 13-4)

1.Remove and retain center plate (A) and four (4) 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 13-5)

1.Remove and retain front cover (A) and four (4) 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.

E

A

BC D

Figure 13-4 Lower Drive Belt Replacement

A

C

D

Figure 13-5

Upper Drive Belt

Replacement

700aks-NA	2011 October
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