Service and Maintenance Manual 3-145 960714-02B © 2007 I2407
SECTION 3 – COMPONENT REPAIR
UNWIND SPRING
The unwind spring supplies the tension to the web
during machine operation.
Turn the unwind shaft by hand, and release. The
shaft should come back to its pre-turned position.
If it does not, the unwind spring is broken and
needs replacement.
The unwind spring is adjustment free.
1. Remove the E-clip and nylon washer from the
end of the unwind shaft (Figure 3-369).
2. Remove the four unwind bearing plate
mounting screws shown in Figure 3-370.
3. With the unwind bearing plate loose, slide the
unwind shaft off of the machine. This will
expose the unwind spring which should now be
removed (Figure 3-371).
Always remove electrical power from the
SX
prior to performing any maintenance
Figure 3-370. Unwind Plate Mounting Screws
Figure 3-371. Removing the Unwind Spring
Figure 3-369. Unwind Shaft Components
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