Showing posts from December, 2010

More Work Stress

The saga of the drive chain continues.

I listened to one of my coffee roaster's main drive chains buck and kick for months before finally biting the bullet and getting it replaced. The owner's manual for the machine says that the chain could be lengthened or shortened at any bike shop. I assumed that meant the chain was a standard bicycle chain. Turns out that's not the case.

Yesterday while I was preheating the roaster I heard a loud "CLUNK!" and feared the worst, I have had the drive shaft from the flywheel snap off twice before, but that wasn't it, the upper drive chain had slipped off its sprocket. So I threaded it back on, oiled it and returned to pre-heating.

A few minutes later I heard another loud "CLUNK!" and ran in to look. The chain had slipped off again and was nowhere to be found. I felt around, poked around, looked... it was as if the chain had never existed. I posted this fact on Facebook and a friend suggested that maybe it had wrapp…