Pack201 | Maintenance | Section 6
EN | 15
© Bosch Packaging Technology, Inc.
All rights reserved 2012
6.4.7 Finwheels - Change Heat Element/
Thermocouple
1. If the machine has been operating wait
until it cools before proceeding.
2. Lift the deck plates up off the locating pins
and remove them.
3. Remove three flat head screws in the
heated finwheel cover.
4. Disconnect the appropriate wires from the
collector rings (refer to wiring diagram).
5. Lift the faulty part (heat element or
thermocouple) up and remove it from the
finwheel.
6. Feed the wires for the new part down
through the shaft and seat the new part in
the finwheel.
7. Connect the wires to the collector ring
assembly.
8. Replace the deck plates.
To replace a collector ring brush:
1. Place the main disconnect into the off
position to remove all power.
2. Remove the bottom guard.
3. Locate the bad brush and loosen the screw
on the brush holder.
4. Remove and replace with a new brush.
Note: There are two different kinds of
brushes, be sure to use the proper one. The
brush with a brown or copper color is used
on the copper collector ring. The brush with
a silver or gray color is used on the silver
collector ring.
5. Tighten the brush holder screw.
6. Replace the bottom guard.