Clutch adjustment

[ceejayjay]

Sumo RV8 with cable clutch. Cable snapped last year . Had new one fitted and re routed witrh less bend etc. Been fine but supect its noe stretched a tad and too near the floor in operation. Question ? ( a mug!! ) Is the best place to do this at the pedal end. Its wrapped arounf an ovel cam shaped cable router that sits at the top of the pedal. How do take up the slack and get earlier movement?

[Clive]

In my relatively minor experience with cable clutches, I would think the adjuster is at the clutch fork end. This is usually in the form of a threaded section at the end of the cable with a lock nut. Try loosening the locknut and removing the return spring (If fitted) and adjust till there is no loose play in the cable then back off until you can feel slight play, retighten the lock nut,refit the spring and test.

[ceejayjay]

Is this all not in the bell housing though? Cable enters the bell housing via about 5" tube effect. Can't reacll the fork although I know thats how it works. Or am I being thick??

[Sidecarbod]

Originally Posted by ceejayjay

Sumo RV8 with cable clutch. Cable snapped last year . Had new one fitted and re routed witrh less bend etc. Been fine but supect its noe stretched a tad and too near the floor in operation. Question ? ( a mug!! ) Is the best place to do this at the pedal end. Its wrapped arounf an ovel cam shaped cable router that sits at the top of the pedal. How do take up the slack and get earlier movement?

On my MKIII there is no adjuster at either end. I also had problems with the clutch only disengaging as the pedal hit the carpet. In the end I welded an extension onto the hollow rod that comes throught the bulkhead (The black metal bit where the clutch cable goes into).


Others have said remove the rubbers inside the plastic white bit at the end of the cable and replace them with steel washers. I'm not sure that this would make much difference.

On my car the black bar only comes off with the peddle box and was a complete bastxrd to do. Ive seen other Sumo's where it looks like the tube is bolted to the bulk head, if that's the case then it should not be difficult to modify.

I only had to extend it about 10-12mm, if you do it anymore than that you can't get the cable end to engage in the cog thingy. My cog is red, there is a white one that fits but I don't know if the diameter is bigger or smaller. (Smaller would make things worse). The cog is the self adjuster mechanism but mine was at the end of its adjustement before I did the mod.

Your cable may have snapped because your clutch pedal is over extending the release mechanism. I made a positive stop so that once the clutch disengages the pedal travels another 30-40mm approx then stops.

HTH,

Pete


Edit...Just read your latest post, maybe you could get the 5" tube extended. Your problem is that the free play length of the cable is too much, i.e how much longer the inner cable is than the outer, increasing the length of this tube will reduce the free play.

The ideal setup would also NOT have the cog/cam at the end of its automatic adjustment when the cable is fitted.


Pete

[stevey]

Originally Posted by ceejayjay

Sumo RV8 with cable clutch. Cable snapped last year . Had new one fitted and re routed witrh less bend etc. Been fine but supect its noe stretched a tad and too near the floor in operation. Question ? ( a mug!! ) Is the best place to do this at the pedal end. Its wrapped arounf an ovel cam shaped cable router that sits at the top of the pedal. How do take up the slack and get earlier movement?

if the clutch pedal is based on Sierra or Granada there will be a ratchet at the top of the pedal above the pivot and this adjusts the clutch automatically I vaguely remember other posts on the forum debating different length Ford cables and different cam adjusters giving a different height to the clutch bite. perhaps the cable was ok last year but where the clutch has worn it has highlighted the cable being wrong length. they do not normally stretch as such
steve

[stevey]

Originally Posted by ceejayjay

Sumo RV8 with cable clutch. Cable snapped last year . Had new one fitted and re routed witrh less bend etc. Been fine but supect its noe stretched a tad and too near the floor in operation. Question ? ( a mug!! ) Is the best place to do this at the pedal end. Its wrapped arounf an ovel cam shaped cable router that sits at the top of the pedal. How do take up the slack and get earlier movement?

if the clutch pedal is based on Sierra or Granada there will be a ratchet at the top of the pedal above the pivot and this adjusts the clutch automatically I vaguely remember other posts on the forum debating different length Ford cables and different cam adjusters giving a different height to the clutch bite. perhaps the cable was ok last year but where the clutch has worn it has highlighted the cable being wrong length. they do not normally stretch as such
steve

[ceejayjay]

Thanks all - next dumb follow on, can I get to teh pedal box through the pedal box? Sumo mk 3 - bought not built so I don' want to lever up something and do damage. Or does one have to be a limbo dancer and do form inside footwell. Surely not!!!

[Sidecarbod]

Originally Posted by ceejayjay

Thanks all - next dumb follow on, can I get to teh pedal box through the pedal box? Sumo mk 3 - bought not built so I don' want to lever up something and do damage. Or does one have to be a limbo dancer and do form inside footwell. Surely not!!!

Not sure what your on about? "Pedal box though the pedal box"

If you mean how do you get the pedal box out, its a real bastxrd.

I had to remove the circlip on the shaft at the clutch end but I can't remeber why! (I think that the box may be in two bits and this helped separate them). There is also two bolts at the back and one pointing straight up at the top. (The top one also has an odd spacer above it).

It also helps if you take the steering wheel off! I took mine off but left the boss in place, I just unscrewed the small bolts that hold it onto the boss.

My advice is only take the box out if you really have too!

Regards,

Pete

[ceejayjay]

Sorry about the gobbledegook! Meant can I get into the pedal box through the engine bay? Sounds like a no. What a swine this si!!

[oldcobber]

Hi,

As far as I can remember you should be able to adjust the clutch cable by holding down the pedal, hold on to the ratchet piece at the top, and then slowly let the pedal back up. ~At some point you should here the ratchet click a couple of times. Steering wheel off, were a thick glove, lie on back under pedals........... I love this job.

Bob