Drive Belt Replacement - 3M Matic 800at Instructions And Parts List

13-MAINTENANCE AND REPAIRS (continued)
•
To reduce the risk associated with pinch, entanglement and hazardous voltage:
− Turn electrical supply off and disconnect before performing any adjustments, maintenance or
servicing the machine or taping heads
13.8

Drive Belt Replacement

Note – 3M recommends the replacement of drive belts in pairs, especially if belts are unevenly worn.
Replacement - See Steps 1 thru 8
Tension Adjustment - See Steps 3, 7 and 9.
1. Crank the upper taping head to its fully raised position and disconnect motor/plug.
2. Remove and retain the screws (D) (See Figure 13-4).
3. Remove and retain the screw (A), cap washer (B), spacer (C), and side cover (E).
4. Loosen but do not remove the lock nuts (F). Turn belt adjustment screws (G) counterclockwise on both the
upper and lower tension assemblies until belt is loose. (See Figure 13-5).
5. Locate the belt lacing (joint) by turning the belt manually. Remove the pin with pliers. Remove and discard
old belt.
•
To reduce the risk associated with mechanical and electrical hazards:
−
Allow only properly trained and qualifi ed personnel to operate and/or service this equipment
A
B
C
Plug
Figure 13-4 – Box Drive Belt (Left Side View – Infeed End)
800at-NA
WARNING
WARNING
E
D
29
A
B
C
2011 February