Nordson Spectrum II S2-900 C Series, Installation, Operation And Maintenance Manual

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Maintenance 6-25
6.13 Tensioning the Conveyor Belts
To tension the conveyor belts:
1. Perform a service shutdown as specified in
2.13 Service Shutdown
.
2. If applicable, lift the heater tooling assembly out the dispense station to provide access to
the conveyor belt adjustment pulley.

There is a belt adjustment pulley for each belt.
3. Loosen the belt tensioner screw located on the belt adjustment pulley (Figure 6-18).

Hold the bolt on the back of the belt adjustment pulley while loosening the screw so
that it will not turn with the screw.
4. Move belt tension pulley right and left until the desired tension is obtained.
5. Tighten the belt tensioner screw. Torque the belt tensioner screw to 87 in-lbs (1.0 kg-m).
6. Repeat Step 1 through Step 3 for the other conveyor belt.
7. If the dispensing system is equipped with dual conveyors, perform Step 2 through Step 5 for
the other conveyor.
Item Description
1 Conveyor Belt
2 Belt Adjustment Pulley
3 Belt Tensioner Screw
Figure 6-18 Tensioning the Conveyor Belts

NOTE If the conveyor belts need to be replaced, refer to 8.10 Replacing the Conveyor Belts .
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