8
Adjusting Switch Rod
See Figure 8.
The system is adapted to the drum height by
adjusting the switch rod. The switch rod activates the
switches (4, 5 and 6) one after the other and thus
triggers the following switching functions.
Switching Functions When Lowering
S Switch 4 switches from two-hand lowering mode
to normal lowering mode when the upper sealing
ring (3) is completely immersed in the drum.
S Switch 5 triggers the drum almost empty
indication.
S Switch 6 triggers the drum empty indication.
Switching Functions When Raising
Switch 4 switches pressurization of pneumatic
cylinders from admission pressure to operating
pressure when the melt platen moves out of the
drum.
Adjust Height
Perform the following:
1. Loosen the nut (1).
2. Adjust the switch rod (2) until it activates switch 4
when the upper sealing ring (3) is completely
immersed in the drum.
3. Tighten the nut.
4
6
5
2
1
3
Figure 8 Adjusting Switch Rod
Issued 3/03
Original copyright date 2003. Nordson and the Nordson logo are registered trademarks of Nordson Corporation.
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