As your patient was told by her ObGyn, it is safe to use combined birth control pills and Mirena at the same time and this practice may be helpful with regard to the irregular bleeding, prolonged bleeding, cramping or pain that can be associated with Mirena in the first months after Mirena insertion.
RE: AC compressor cycling. IP: Logged. Message: I have an '03 QC 4.7 v8 and the a/c unit will cycle when it's set to defrost and high heat on the temp gauge, a/c off. I read a post last night that talked about pulling the a/c defrost fuse # 24 (on the my truck) during the winter months to keep the a/c from cycling.
The clutch. The clutch allows the scooter to idle with the engine running by isolating the rear wheel from the transmission. It operates in much the same way as the variator, being of a centrifugal design. As you twist the throttle, the engine increases its speed and the belt drive spins the clutch.