We changed the battery but a small red piece of plastic fell out. It goes behind the plug-in port somehow but after much effort, we haven't been able to put it together so we can sucessfully charge it up again. The red piece has a couple of copper prongs that look like they need to be in contact with something. The piece has a plastic "foot' and two smaller "arms" and with copper contacts on the "head"... HELP

SOURCE: model 815RX. where does the

Maybe this will help. On my 3605x this is the 110/220 switch. It is installed under the power connecetor with the contacts facing up towards and under the circuit board. It should have a groove in it that fits over the frame allowing it to slide back and forth. On the end that has the contacts there are 2 hooks, one on each end that act as stops/locks to keep the voltage adjustment where it is set. Drop the red switch over the frame in the slot and line it up where the the line in the outside of it is in the center. Install the power connector and set the circuit board back down where they are supposed to fit. Replace the back of the shaver and before screwing down tight make sure the switch can move to the desired voltage. Then screw together and plug in to check. I know the directions sound fuzzy but as you look at it it should become apparent where and how it fits. Hope this helps.

SOURCE: Replacing Heads for 8140XL Norelco shaver

Same thing happened to my father's shaver. After working on it for about 30 mins, this is how I fixed it. You need to start with the top silver piece/cover. Turn it over so you see inside of it. Drop the 3 screens into the holes upside down (so they face out). You need to rotate the screens until they sit as low as possible. Now drop in the 3 blades, again sharp side down. There should be a triangular piece with 3 circles attached to it. One side is gray, and the other side has a black triangular piece. If you look closely each leg of the black piece has a tiny picture of a lock and an arrow. Rotate the black piece in the opposite direction of the arrow. Place the gray side down lining it up with the three blades. Now rotate the black piece, it will lock into position, and hold the blades in place! Finally, the silver head has a little hinge on one side. This hinge is flexiable. Bend it to a 90 degree angle, and slip it into the notch on the top part of the main body of the shaver. Close the head part, in my father's shaver I had to press a lever in the front to snap it into place.

Hope this helps!

SOURCE: my shaver head broke! PLEASE HELP ME!

I just fixed my husband's razor. I took everything out and washed it all. Then I took the three things that touch the skin and put them in the three holes so that they fit comfortably. Then I put the sharp parts inside those thin parts. The I took the gray thing with three holes and snapped the little brown thing to it and turned the arrows on the brown thing so it snapped it securely to the things with holes. Then I put the head onto the handle by sliding the hook into it's hole, than brought the head onto the handle and snapped it shut. It fell apart the first time I tried it but I put it all back together and after that it worked like a charm.

SOURCE: I no longer have the owners manual. What does it

According to the manual, the red light comes on while charging when the battery does not yet have enough charge to sustain a 3-5 minute shave. The green light stays on steady while the razor is charging, and blinks when it is fully charged. If your battery life is short, they might need to be changed.