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Maintenance
(Continued)
WARNING – Turn air and electrical supplies off and disconnect before beginning maintenance.
Failure to comply with this warning could result in severe personal injury or equipment
damage.
Drive Belt Replacement
Note – 3M recommends the replacement of drive belts in pairs, especially if belts are unevenly worn.
Figure 4-2
1. Crank the upper taping head to the fully raised position.
2. Disconnect the motor plug (A).
3. Remove and retain the five screws (B) and side cover (C).
4. Remove and retain the screw (D), cap washer (E) and spacer washer (F) from the front and rear arm
assembly pivots.
5. Lift belt drive assembly (G) up off the arm assembly pivots.
CAUTION – Drive belt assembly weighs approximately 21 kg [47 lbs.]. A minimum of two
people should lift drive assembly using proper body mechanics to prevent injury.
Figure 4-2 – Drive Belt Replacement
Figure 4-3
6. Loosen, but do not remove the lock nut (H) on both the upper and lower belt tension assemblies.
7. Turn the belt adjustment screws (J) clockwise to end of adjustment on both the upper and lower tension
assemblies.
8. Remove and discard old drive belt.
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