fo sho.  I could use a nice learning experience.

--R

Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC, 53310 wrote:
That's a nice soldering station, much much more advanced than the
dinosaur I'm using.  Hard to justify $100 for the very small amount of
soldering I do though.  Maybe after I get the 'project' on the road...

I've got a good write-up on diagnosing the CC amp which was printed in
The Star many moons ago. A o-scope is required - are you interested in
putting your new toy to use?

-Max
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Rich Thomas
Sent: Wednesday, March 24, 2010 12:46 PM
To: Mercedes Discussion List
Subject: Re: [MBZ] Fixed my Cruise using Jim C's guide

Hey that is an awesome writeup, I'm sure it will get referenced sometime
soon.

Max if you want a good soldering station you need one like this
http://www.amazon.com/Weller-WES51-Analog-Soldering-Station/dp/B000BRC2X
U
I have one and it is great.  I used to use those cheap Radio Shack
things and cuss every time, I finally sprung for this for my new
electronics hobbies/endeavors, and it is SO easy to get a good joint, it
is amazing.  You can get different tips, a tiny one is great for circuit
boards and such.

--R

Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC, 53310 wrote:
Dieselvolk,

Last night I finally sorted out the cruise control on my '87 300TD.
Thanks Jim for your excellent trouble shooting write-up, which I used to decide that the cruise control amplifier was not working. http://userweb.windwireless.net/~jimc/mamerepairs.html#cruisetest I pulled out the CC amp and re-soldered all the joints that look suspicious to my eye (about 1/4 of them or less), re-installed in the car and despite my doubts the system actually works! It will perform all functions, but it is jerky when the engine has to accelerate and then release. For instance, setting the CC will sometimes result in some stuttering. Going over small hills causes some stuttering. The CC take-up following stalk deceleration is very smooth, but there is stuttering after stalk acceleration. By stutter I mean that there will

consistently be one jerk following stalk acceleration, and sometimes the same single jerk following setting the CC. Hills can cause the system to jerk several times then shut off.

I did get some odd results from the measurements on the actuator
motor.
The motor windings measured about 10 ohms vice 5, and during the third

test (with the three jumpers between various pins, key on but motor off) the actuator would move and the resistance would fall smoothly from 2.7k ohms to about 200 ohms, but when I held the stalk in the Accel position to drive the resistance to zero, the resistance would spike and I could hear the actuator jumping around.

So, I'm not sure if the remaining ill behavior is all the fault of the

actuator (or maybe linkages needing lube), or a part of the CC amp which is still not working. My gut tells me that the amp is still not

working 100%.

Very respectfully,
/s/
Max Dillon
'87 300TD 321k miles
'95 E300 274k miles (project)
'73 Balboa 20
Charleston SC



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To search list archives http://www.okiebenz.com/archive/

To Unsubscribe or change delivery options go to:
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