Can I Get Away With a Quick Brake Job in a Campground?

Once I broke a few teeth off a timing chain gear. I explained the situation to the owner and he said it was OK to do the work there. I couldn't go anywhere anyway!
I had to order the gears and chain so it was a day or so waiting for parts, which gave me time to get everything taken apart. Got the parts, put it together and was back on the road. Some people understand and will help... but sometimes, if it's a corporate CG, you may be out of luck.