Turn the screw by hand
Vol. 25 #2, Sept. 1998
Before starting an extruder, turn the screw by hand to be sure it is not frozen or stuck. This will eliminate a potential for damage to the screw and drive if a large starting torque results from a frozen screw.
Even large machines can be turned by hand with a large pipe wrench and some added leverage.
- Stephen J. Derezinski, Eastman Kodak Co.
See also:
- Start up 1
- Start up 2
- Start up efficiency
- Start up help
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