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Based on your thread here I checked the two 10kw units that I have here now. Thanks for sharing your experience! So was it S1 that stuck or K18? I see that I’m lucky to have the ceramic S1 on both of these units.Finally had a chance to pop the roof and have a closer look at the intake manifold. After removing the muffler, this is what I was greeted with:
View attachment 863433
#1 and #2 took the brunt of it. Closeup of #2:
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I was able to unscrew #1 and #4 nuts pretty easily, but #2 and #3 required that I hold the threaded shaft with vise grips while undoing the nuts to prevent the heating coil from unwinding itself. I eventually was able to remove all the wires:
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I believe I have those 2 short sections for my spare 802, so I'll swap those in.
I then removed the manifold and was bracing for the worst, but was pleasantly surprised to see that all 4 coils were completely undamaged:
View attachment 863436
All 4 measured 0.0 Ohm, which I think is what I should get since my multimeter doesn't measure anything less than 0.1 Ohm.
All in all, I think I got pretty lucky. Next up will be to replace S1 with the Mark 3 from my spare 802.
Rich, I’m wondering if that’s a typo in the TM? Their figure for a good heater is 4 to 5 ohms. We’re both seeing .4 to .5 ohms.I have some manifold preheaters on the shelf if you don't want to steal from your other machines. Can get a count later this morning.
Guy, what are your thoughts on the glow plug resistance values? We're both seeing .4 to .5 ohms. The TM says they should be 4 to 5 ohms. There's a big difference between 1/2 of an ohm and 5 ohms. Thanks.This is a very common problem. Often its because the connections were loose. Or K18 or S1 were the problem.