3M -Matic 8000a Instructions And Parts List page 45

13. Maintenance and Repairs
13.9 Box Drive Pulley Rings
Figure 13-2 Box Drive Assembly (Infeed End)
3M-Matic 8000a-8000a3
™
Page 33
6. Install the new belt around drive
rollers and insert new pin.
Pin must not extend beyond
edge of belt.
7. To set drive belt tension, turn
adjustment screws (G) equally
on both the upper and lower
tension assemblies. Turn the
screws clockwise to increase
tension or counterclockwise to
decrease tension -
See Figure 13-2.
Use a force gauge to pull the belt
outward 25mm [1 inch] at mid span,
as shown with a moderate pulling
force of 3.5 kg [7 lbs].
8. Reverse procedures in Steps 1-3
(Figure 13-1) to reassemble the
drive belt assembly.
Before installing a new belt,
check the orange plastic drive
pulley rings for wear. If torn,
broken, or worn smooth, replace
the rings (Figure 13-3).
(continued)
Figure 13-3
• To reduce the risk associated with
- Turn electrical supply off and disconnect
G
WARNING
pinches, entanglement and hazardous
voltage:
before performing any adjustments,
maintenance or servicing the
machine or taping heads.
G
G
NA - ENG
April 2016