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Hello
First time poster but have been lurking and researching for awhile.
Bought a 06 650 that was neglected and trying to bring it back to working condition.

4x4 actuator isn't working.
Machine has low hours
Took the actuator apart and it looks new inside.
OHM tested and got these results
Red-Black 53.2
Orange-Blue 5.29
Yellow-Blue .865

The OHM's are out of spec. and wondering if this is repairable or would I need to purchase a new one?

Thanks
 

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Brute Force 750 - KEBC Actuator Clean and Lube on Vimeo


Some notes on the video:
When you get the unit back together and you find that the pin on the shaft is in the wrong orientation to fit in the kebc fork, plug up the unit and key on. wait 10 seconds then key off. The unit will reset itself and then you will be able to bolt it onto the KEBC cover.


When testing the motor I stated hook it up to a battery charger and you could see if it worked. If it doesn't turn it might still be bound up. You will know this is you feel the motor in your handle sorta vibrate or try to move. You can feel it. If not, the KEBC is dead.
make sure you have a battery charger that does 10+ volts.

You also need to check the resistance below from the connector. Just get out your multimeter.

Actuator Internal Resistance:
4 (Red) - 6 (Black): 3
15 Ω
1 (Orange) - 3 (Blue): 3.5
6.5 kΩ
2 (Yellow) - 3 (Blue): 630
5,330 Ω

If any reading is not within spec, replace the actuator.


[06/26/09]
A recent finding by LibertyFLA on HL concerning the orientation of the motor housing (in case you forget to mark it) - "FYI to all: the gap between the magnents aligins with the "long" screw that hold the can in place. Yes there are 2 gaps; but only one will align to that screw."
[06/26/09]

[9/17/2009]
I just found this info on Nyroc!
If perhaps the potentiometer is the culprit, although rare, it can be replaced for cheap. Read the passage below.

"
Cruiser found a compnay call Tocos that makes the potentiometer inside the KEBC and 4x4 actuators. You can get the potentiometer from them for much cheaper than you can get the entire actuator from the dealer. The P/N is RVQ24YNC0301. The full P/N is rvq24ync030120f-b502.
Polstery said: "I went to my local radio shack and got a 5 ohm 1/2 watt potentiometer and with a little skill and file put it in the actuator. By the way it cost $2.90 and it worked good as new only problem was it only worked for about 6 hours but I knew I was on the right track. I went on the internet and did some fact finding. The stock tacos potentiometer is rated for 2,000,000 cycles or revolutions and the radio shack was only rated for 15,000 BIG difference!!! I did more searching and found a potentiometer that would suit are needs and it has a 20,000,000 mil cycle life best of all its only $11.90. To get it installed all that was needed was to cut the shaft down (it is just a bit too long) and file a flat on the shaft for the actuator gear then solder the 3 wires on. I found the potentiometers at www.mouser.com and the part# is 652-6639s-1-502 If you need any help just ask. Mines been working like new for about 35 hours now and counting."
[/9/17/2009]


[9/17/2009]
Added document that covers the troubleshooting of the actuator system
http://www.mudinmyblood.net/forum/attachment.php?attachmentid=1193&d=1253192310
[9/17/2009]


once you get it cleaned, here's how to check it
Hey man. Yesterday a tested both actuator and they are good. But the 4wd Light flash 3 seconds in 2wd and 3 seconds on 4wd. My speedometer is not working.
 

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Registered
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6 Posts
Hello
First time poster but have been lurking and researching for awhile.
Bought a 06 650 that was neglected and trying to bring it back to working condition.

4x4 actuator isn't working.
Machine has low hours
Took the actuator apart and it looks new inside.
OHM tested and got these results
Red-Black 53.2
Orange-Blue 5.29
Yellow-Blue .865

The OHM's are out of spec. and wondering if this is repairable or would I need to purchase a new one?

Thanks
Men i have the same results. The ohm’s are out of spec but i tested the actuators With a battery and they worked good
 

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7,616 Posts
Actuator controler must receive a signal from the speed sensor before it actuates..either actuator. If there is no speed indicated at the pod, then chances are no signal is there for the controller either. Check the speed sensor and its connector. Belt side lower case. Only thing down there. Drain oil before removing it though.
 
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