In Reply to: F2 and 313 flex posted by BenM on September 25, 2004 at 21:02:57:

We run the series three on an M2, you need 2 hot leads from you reel speed rocker button down to the elec motor on the pump on the head, the motor runs backwards and forward to change the pump volume. Series three heads are light years ahead of series two, they feed much better. Check bearings on high spead drives on left side, slower speed bearings usually last longer. We totally gutted ours, all new bearings, feather sheets, and finger bearings, once rebuilt you should be able to run a good 2500 acres. Pull the trigger, we were glad we did.