Wooden pipes pumping without an engine

[Ploop12]

Launcher Version: latest version technic launcher

Operating System: mac OS X 10.5.8

Java Version: 64 bit se 6

Antivirus Program: wooden pipes are pumping without the aide of an engine. I have recently made a rotary maceator

Description of Problem:

wooden pipes are pumping without the aide of an engine. I have recently made a rotary maceator part of the system replacing my old maceator

Error Messages:

Error Log:

[Torezu]

Wooden pipes don't do that, ever, unless something is seriously wrong with your installation. Where's your log, what are your actual version numbers for the launcher and modpack, and is there an actual question in here?