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e-E-Flite Blade CP CX 400-3D > Blade CP+ Pro S75 Servo rebuild
 
 
vidmarv
Senior Heliman
Location: ft walton beach, FL

Anyone have any info on rebuilding the S75 servos? I picked up a couple of replacement gear kits from the LHS, but they have no instructions. Figured there would be something online, but I haven't found it yet. I'm sure it's simple, but if it can be screwed up, I'll find a way, so I would prefer to read the instructions first.... if only I could find some!

Many thanks to a great group!

VM

Perfectly sliced air every time!
04-21-2008 10:26 PM
 
 
zaw
Senior Heliman
Location: Lebanon, NH - USA

remove all gear out. try to remember which ones goes where, use a soft tooth brush and clean off all the grease and plastic parts might be stuck in there.

Do not grease the gears yet. Just put the gears in make sure they fit good. Gears only goes in one way, pretty easy.

spin the smallest gear and see everything is nice, Then remove all gear and grease them and put them back. install servo on Rudder channel to test.

BCP+CP2 mix Separates BL, DD-tail, HH //\\ HBK2 JGF 400 11T //\\ Friend's B400
04-22-2008 12:21 AM
 
 
vidmarv
Senior Heliman
Location: ft walton beach, FL

Thanks Zaw

Any particular type of grease? Vaseline?

Do I need to center the servo prior to rebuilding? I see that one of the gears has a stop on it, that's what has me a bit flumoxed.

VM

Perfectly sliced air every time!
04-22-2008 02:26 PM
 
 
speeddemon370
Veteran
Location: Spruce Grove, Alberta, Canada

I always center the servo and try leave it there during assembly. Not sure if this helps but it couldn't hurt. A couple little tips I figured out for servo building....

Lay out a towel and line up all the gears as you're taking them out being careful not to flip them over. That way there's no upsidedown stuff going on.

Wash parts that are being reused in a bio degreaser that is safe on plastic. Usually I just use a tea strainer (can find em at wall mart 5 bucks for a ping pong ball sized stainless steel cup thing) under the kitchen faucet. No mess, no lost parts.

Use a light lithium grease. Easy to find for cheap at a bike store (pedal). NOT WALMART or department store stuff, that's all crap. Get the high quality stuff. I reccomend "finish line".

Don't use vaseline. It has a funny way of reacting with plastics and rubber in weird ways when you'd least expect it.

with 2 ears and 1 mouth you should listen twice as much as you talk
04-30-2008 10:15 PM
HOMEPAGE  
 
 
vidmarv
Senior Heliman
Location: ft walton beach, FL

Thanks for the tips

Really good ideas speeddemon, I like the tea ball trick. Have to remember that for washing other little odds and ends.


Amazingly little info on this. I was really hoping to find an exploded diagram of the this servo. Still looking. If anyone's seen such a thing, please post. If I come across it first, I'll do the same. Would be helpful.

thanks

VM

Perfectly sliced air every time!
04-30-2008 10:29 PM
 
 
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e-E-Flite Blade CP CX 400-3D > Blade CP+ Pro S75 Servo rebuild
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